[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Bolbochan, Julio"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "E59"]
[EventDate "1953.03.14"]
[PlyCount "59"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. e3 O-O 6. a3 Bxc3+ 7. bxc3 c5 8. Be2 dxc4 9. Bxc4 Qc7 10. Be2 Nc6 11. O-O Rd8 12. Qc2 e5 13. dxe5 Nxe5 14. h3 b6 15. c4 Bb7 16. Bb2 Ned7 17. Qc3 Nf8 18. Rfd1 Ne6 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 21. Bxd1 Qc6 22. Bc2 h6 23. Qe5 Nd7 24. Qg3 Qc7 25. Qg4 a6 26. Nh4 Ndf8 27. Nf5 Ng6 28. Nxh6+ gxh6 29. Bxg6 fxg6 30. Qxe6+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Burgalat, Francisco"]
[Black "Steiner, Herman"]
[Result "0-1"]
[ECO "D55"]
[EventDate "1953.03.14"]
[PlyCount "108"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 Nxd5 6. Bxe7 Nxe7 7. Nf3 O-O 8. e3 b6 9. Rc1 Bb7 10. Bd3 Nd7 11. O-O Ng6 12. Be4 c6 13. Nb5 Nf6 14. Bxc6 Bxc6 15. Rxc6 Qd5 16. Nxa7 Rxa7 17. Rxb6 Rxa2 18. Qb3 Qxb3 19. Rxb3 Rc8 20. Rb7 h6 21. Rb1 Ne4 22. Ne1 Rca8 23. Nc2 Nd6 24. Rb6 Nc4 25. Rb4 Rc8 26. Ne1 Nd6 27. Rb6 Ne4 28. Rd1 Nf6 29. f3 Ra4 30. Kf2 Rd8 31. Rd3 Nd5 32. Rb7 f5 33. Ra3 Rda8 34. Rxa4 Rxa4 35. Ke2 f4 36. e4 Nde7 37. Nc2 Kf7 38. g3 Ra5 39. g4 Kf6 40. Rb6 Kf7 41. Na3 Ra4 42. Nc2 Rc4 43. Kd3 Rc8 44. Kd2 Nh4 45. Rb3 Rd8 46. Rd3 Nc6 47. Kc3 Rc8 48. Kd2 Na5 49. b3 Ke7 50. Ne1 Rb8 51. Kc2 Nc6 52. Kc3 e5 53. dxe5 Nxe5 54. Rd2 Rc8+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Eliskases, Erich"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1953.03.14"]
[PlyCount "63"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. Nc3 d5 7. cxd5 cxd5 8. d4 Nc6 9. Ne5 e6 10. Nxc6 bxc6 11. Na4 Nd7 12. b3 c5 13. Bb2 Ba6 14. Re1 Rc8 15. dxc5 Bxb2 16. Nxb2 Rxc5 17. Qd2 Qc7 18. Na4 Rc2 19. Rac1 Rc8 20. Rxc2 Qxc2 21. Qe3 Qxa2 22. Qxa7 Bb5 23. Qb7 Rb8 24. Qc7 Qxb3 25. Nc3 Qc4 26. Nxb5 Qxb5 27. Rc1 Kg7 28. e4 Nf6 29. exd5 exd5 30. h3 Re8 31. Qc3 Qb6 32. Bxd5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Gligoric, Svetozar"]
[Black "Shocron, Ruben"]
[Result "1-0"]
[ECO "D52"]
[EventDate "1953.03.14"]
[PlyCount "61"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 h6 10. Bh4 e5 11. Bd3 O-O 12. O-O Re8 13. e4 Nf4 14. Bb1 Ng6 15. Bg3 Nb6 16. a3 Bf8 17. Ba2 Be6 18. Bxe6 Rxe6 19. dxe5 Nc4 20. Qe2 Ncxe5 21. Nxe5 Nxe5 22. f4 Nd7 23. e5 Ree8 24. Ne4 Rad8 25. Kh1 Qa4 26. Bh4 Be7 27. Bxe7 Rxe7 28. Rcd1 Qa5 29. Qd3 Ree8 30. Nd6 Nb6 31. Qb3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Guimard, Carlos Enrique"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "E65"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 c5 7. Nge2 Nc6 8. O-O cxd4 9. Nxd4 Nxe4 10. Nxc6 Nxc3 11. Nxd8 Nxd1 12. Nxb7 Rb8 13. Rxd1 Bxb7 14. Bxb7 Rxb7 15. Rb1 Rc8 16. b3 Rxc4 17. Be3 Rc2 18. Rdc1 Rbc7 19. Rxc2 Rxc2 20. a4 Rc7 21. b4 d5 22. b5 d4 23. Rc1 Rxc1+ 24. Bxc1 e5 25. Ba3 e4 26. Bc5 f5 27. Bxa7 Kf7 28. Kf1 d3 29. a5 Ke6 30. a6 Kd7 31. Be3 Kc8 32. b6 Be5 33. Ke1 h5 34. h4 Kb8 35. Kd1 Ka8 36. Kc1 Kb8 37. Kb1 Kc8 38. Ka2 Kb8 39. Kb3 Ka8 40. Kc4 Kb8 41. Kd5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Jauregui Andrade, Carlos"]
[Black "Bolbochan, Jacobo"]
[Result "0-1"]
[ECO "E20"]
[EventDate "1953.03.14"]
[PlyCount "70"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. d5 Ne4 6. Bd2 Bxc3 7. Bxc3 O-O 8. Bg2 Nxc3 9. bxc3 e5 10. d6 Nc6 11. Nf3 Re8 12. Nh4 Rb8 13. Bd5 Qf6 14. e4 Nd8 15. Qg4 g6 16. Rd1 Kh8 17. O-O b5 18. Qh3 Ne6 19. Qg4 Rb6 20. f4 exf4 21. gxf4 Qxc3 22. cxb5 Rxd6 23. Rf3 Qg7 24. Ra3 a6 25. e5 Rb6 26. bxa6 Bxa6 27. Bxe6 Rbxe6 28. Qg5 Bc8 29. Nf3 f6 30. exf6 Rxf6 31. Qxc5 Rxf4 32. Re3 Ref8 33. Nd4 Qf6 34. Qe5 Rg4+ 35. Kh1 Bb7+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Letelier Martner, Rene"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D71"]
[EventDate "1953.03.14"]
[PlyCount "67"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. d5 O-O 8. Qxc4 Nb6 9. Qh4 c6 10. dxc6 Nxc6 11. Nf3 e5 12. Bg5 f6 13. Bh6 Be6 14. Bxg7 Kxg7 15. O-O Qe7 16. Rfd1 Rad8 17. Ne1 Rd4 18. Rxd4 Nxd4 19. e3 Nf5 20. Qe4 Rf7 21. Rd1 a6 22. Nc2 Nc4 23. b3 Na3 24. Nd5 Qc5 25. Nxa3 Qxa3 26. Qc2 Ne7 27. Nc7 Bf5 28. e4 Bg4 29. Rd8 Nc6 30. Ne8+ Kh6 31. Rd6 Qb4 32. Qc1+ g5 33. h4 Nd4 34. Qxg5# 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Maderna, Carlos"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "B24"]
[EventDate "1953.03.14"]
[PlyCount "62"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nge2 Nge7 7. Be3 Nd4 8. Qd2 O-O 9. Nd1 d5 10. c3 Nxe2 11. Qxe2 d4 12. Bg5 f6 13. Bd2 dxc3 14. bxc3 Bd7 15. Rb1 Bc6 16. O-O Qd7 17. Be3 b6 18. d4 cxd4 19. Bxd4 e5 20. Be3 Rfd8 21. c4 Qd3 22. Qxd3 Rxd3 23. Rb3 Rxb3 24. axb3 Rd8 25. Nc3 Bf8 26. Nd5 Nxd5 27. exd5 Be8 28. Ra1 Rd7 29. Kf1 Rc7 30. Ke2 Bb4 31. Rd1 Bd6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Najdorf, Miguel"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "D37"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. e3 O-O 6. b3 Ne4 7. Bb2 c6 8. Bd3 f5 9. O-O Nd7 10. Ne2 Bd6 11. Ne5 Qc7 12. f4 Ndf6 13. Qe1 Bd7 14. Qh4 Be8 15. h3 Be7 16. Qe1 Bh5 17. Kh1 Qd8 18. Nc3 Qe8 19. a3 Bd6 20. Ne2 Bxe2 21. Bxe2 Nh5 22. Rf3 Nhf6 23. a4 Kh8 24. Ba3 Bxa3 25. Rxa3 Qe7 26. Ra2 Nd7 27. Bd3 Rad8 28. c5 g5 29. Nxd7 Rxd7 30. fxg5 Qxg5 31. b4 Rg8 32. b5 Ng3+ 33. Kh2 Rdg7 34. Rb2 Ne4 35. Bxe4 dxe4 36. Rf4 Qd8 37. bxc6 bxc6 38. Qh4 Qb8 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.15"]
[Round "1"]
[White "Wexler, Bernardo"]
[Black "Carvalho jr, Flavio de"]
[Result "1/2-1/2"]
[ECO "D41"]
[EventDate "1953.03.14"]
[PlyCount "59"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Be7 7. Bc4 O-O 8. O-O cxd4 9. exd4 a6 10. Qe2 Nc6 11. Rd1 Re8 12. Ne5 Nxc3 13. bxc3 Nxe5 14. Qxe5 Bd7 15. Bb3 b5 16. Rd3 Bc6 17. Rh3 Bf6 18. Qh5 Be4 19. Bf4 Bg6 20. Qe2 b4 21. Rd1 bxc3 22. Rxc3 Rc8 23. Rc5 Be7 24. Rxc8 Qxc8 25. Rc1 Qa8 26. Rc7 Bf6 27. Be5 Bxe5 28. Qxe5 Rc8 29. f3 Rxc7 30. Qxc7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Bolbochan, Jacobo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "94"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 c6 11. h3 a5 12. Be3 Nc5 13. Qc2 a4 14. Rad1 Nfd7 15. f4 Qa5 16. Bf2 Qb4 17. a3 Qa5 18. Nb1 Nf6 19. Nd2 Bd7 20. Re2 Re7 21. Rde1 Rae8 22. Nf1 h5 23. Nh2 Bc8 24. Nf1 Bh6 25. f5 Kh7 26. Nh2 Qc7 27. h4 Qa5 28. fxg6+ fxg6 29. Ndf3 Nb3 30. Be3 Bg7 31. Ng5+ Kg8 32. Bf3 Nd7 33. Kh1 Ne5 34. Bg2 Qa6 35. Bf4 Nd4 36. Qd1 Nxe2 37. Rxe2 Qxc4 38. Bf1 Qb3 39. Rc2 Kh8 40. Bxe5 Bxe5 41. Bc4 Qxg3 42. Rg2 Qxh4 43. Ngf3 Qf6 44. Ng5 d5 45. Be2 Bf4 46. Qg1 Bxg5 47. Rxg5 Bg4 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Carvalho jr, Flavio de"]
[Black "Bolbochan, Julio"]
[Result "1/2-1/2"]
[ECO "D25"]
[EventDate "1953.03.14"]
[PlyCount "61"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. Nc3 O-O 7. h3 Nfd7 8. O-O Nb6 9. Bb3 a5 10. e4 Bd7 11. a3 a4 12. Ba2 Nc6 13. Be3 Na5 14. Qe2 c6 15. Rac1 Nb3 16. Rcd1 Be6 17. d5 cxd5 18. Bxb6 Qxb6 19. exd5 Bf5 20. g4 Bd7 21. Qxe7 Rad8 22. Ne5 Bb5 23. Rfe1 Rde8 24. Qb4 Bxe5 25. Nxb5 Bxb2 26. Bxb3 axb3 27. a4 Be5 28. Qxb3 Bg7 29. Re3 f5 30. Rg3 Ra8 31. d6+ 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Cuellar Gacharna, Miguel"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "A90"]
[EventDate "1953.03.14"]
[PlyCount "72"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Nc3 d5 8. O-O c6 9. Qb3 Kh8 10. Rad1 Qe8 11. Bf4 Nbd7 12. Ne5 Nxe5 13. Bxe5 Ng4 14. e3 b6 15. Rfe1 Ba6 16. cxd5 cxd5 17. f3 Nxe5 18. dxe5 Bc4 19. Qc2 Rc8 20. Bf1 Bb4 21. Bxc4 Rxc4 22. Rd3 Qb8 23. f4 Rfc8 24. Qb3 Bxc3 25. Rxc3 Rxc3 26. bxc3 Qc7 27. Rc1 Qc5 28. Kf2 Qa5 29. Rc2 Rc4 30. Kf3 Qc5 31. h3 b5 32. g4 fxg4+ 33. hxg4 g5 34. fxg5 Re4 35. Re2 Qf8+ 36. Kg3 Qf1 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Maderna, Carlos"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1953.03.14"]
[PlyCount "105"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d3 d6 6. Bg5 Nbd7 7. Qc1 c6 8. Rb1 Re8 9. b4 Nf8 10. b5 Qc7 11. bxc6 bxc6 12. Nf3 Bd7 13. O-O e5 14. Nd2 Ne6 15. Nde4 Nxg5 16. Qxg5 Nxe4 17. Nxe4 h6 18. Nf6+ Bxf6 19. Qxf6 Bg4 20. f3 Bf5 21. Qh4 Kg7 22. f4 exf4 23. Qxf4 Re5 24. e4 Bc8 25. d4 Re7 26. Qf6+ Kg8 27. e5 Re6 28. exd6 Rxd6 29. Qe5 Be6 30. Rf6 Rad8 31. c5 R6d7 32. Rxe6 fxe6 33. Qxe6+ Kh7 34. Be4 Rg8 35. Bxc6 Re7 36. Qxe7+ Qxe7 37. Rb7 Rg7 38. Rxe7 Rxe7 39. Kf2 Kg7 40. Kf3 Kf6 41. Be4 Ke6 42. h4 Rf7+ 43. Ke3 g5 44. hxg5 hxg5 45. Bc2 Rf1 46. Bb3+ Ke7 47. d5 Rg1 48. d6+ Kd7 49. Kd4 Rxg3 50. Bd5 Rg1 51. Ke5 Re1+ 52. Be4 g4 53. c6+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Medina Garcia, Antonio Angel"]
[Black "Eliskases, Erich"]
[Result "0-1"]
[ECO "C07"]
[EventDate "1953.03.14"]
[PlyCount "60"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Qe2 Be7 10. Rd1 e5 11. Bb5 Bg4 12. Na5 O-O 13. Nxb7 Qc7 14. Qc4 Bxf3 15. gxf3 Rac8 16. Bxc6 Qxc6 17. Qxc6 Rxc6 18. c3 dxc3 19. bxc3 Rb8 20. Na5 Rxc3 21. Be3 a6 22. Rab1 Rxb1 23. Rxb1 h6 24. Rb8+ Kh7 25. Rb7 Nd5 26. Nb3 f5 27. Rd7 Rd3 28. Bd2 Bg5 29. Bxg5 Rd1+ 30. Kg2 hxg5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Ojanen, Kaarle Sakari"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D29"]
[EventDate "1953.03.14"]
[PlyCount "59"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. Nc3 c5 7. O-O b5 8. Bb3 Bb7 9. Qe2 Be7 10. Rd1 O-O 11. e4 b4 12. d5 exd5 13. Nxd5 Nxd5 14. Bxd5 Bxd5 15. Rxd5 Qc8 16. Ne5 Qe6 17. Bf4 f6 18. Nc4 Nc6 19. Qd3 Rad8 20. Ne3 Nd4 21. Qc4 Kf7 22. Re1 Rfe8 23. Bg3 Bf8 24. f3 Kg8 25. Rxd8 Rxd8 26. Qxe6+ Nxe6 27. Nc4 a5 28. Bf2 a4 29. Kf1 Rd3 30. Be3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Rossetto, Hector Decio"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "A18"]
[EventDate "1953.03.14"]
[PlyCount "112"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 b6 8. Nf3 h6 9. g3 Bb7 10. Bg2 Bd6 11. Qd3 Nd7 12. O-O Rb8 13. Rb1 O-O 14. Nd2 Bxg2 15. Kxg2 Rfd8 16. f4 Qf5 17. Ne4 Be7 18. a4 Kh8 19. Rb5 c5 20. Ba3 Bf8 21. Rfb1 Rbc8 22. Qe2 a6 23. R5b2 cxd4 24. Bxf8 Nxf8 25. Rxb6 d3 26. Qf3 d2 27. Rd1 Qa5 28. Rb7 f5 29. Qh5 Rc7 30. Rb2 Qxa4 31. Rdxd2 Rxd2+ 32. Nxd2 Qa3 33. Rb8 Qe7 34. Nf3 Rb7 35. Re8 Qf6 36. Ne5 Kh7 37. Qe2 Re7 38. Ra8 Nd7 39. Rxa6 Nc5 40. Ra8 Rb7 41. h4 g6 42. Rc8 Qe7 43. h5 g5 44. fxg5 hxg5 45. Rh8+ Kg7 46. h6+ Kf6 47. Rg8 Ne4 48. Ng4+ fxg4 49. Qxe4 Rb2+ 50. Kf1 Qf7 51. Rg7 Qh5 52. Qd4+ Kf5 53. Qd3+ Ke5 54. Qe3+ Kf5 55. Qd3+ Ke5 56. Qe3+ Kf5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Shocron, Ruben"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "C97"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 O-O 12. Nbd2 Bd7 13. Nf1 Rfc8 14. Ne3 Bf8 15. Qd3 g6 16. Bd2 Nc4 17. Nxc4 bxc4 18. Qe2 cxd4 19. cxd4 Re8 20. Bc3 Nh5 21. Qd2 Bg7 22. Rad1 Ra7 23. dxe5 dxe5 24. Qxd7 Qxd7 25. Rxd7 Rxd7 26. Ba4 Rdd8 27. Bxe8 Rxe8 28. g3 f6 29. Rd1 Bf8 30. Rd7 Rc8 31. Nd2 Rc6 32. Ba5 Bh6 33. Kf1 Ng7 34. Bb4 Ne6 35. Ke1 Bf8 36. Bxf8 Nxf8 37. Ra7 Ne6 38. Kd1 Nc5 39. Nxc4 Nxe4 40. Na5 Nxf2+ 41. Ke1 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Steiner, Herman"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "D50"]
[EventDate "1953.03.14"]
[PlyCount "87"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 a6 6. Qc2 dxc4 7. Bxc4 b5 8. Be2 Nbd7 9. Nf3 Be7 10. O-O Bb7 11. Rfd1 O-O 12. a3 Qb6 13. Ne5 Rfe8 14. b4 a5 15. Nd3 Bf8 16. Nc5 Ra7 17. e4 Rea8 18. Rab1 axb4 19. axb4 Nxc5 20. dxc5 Qc7 21. Rd3 Ne8 22. Rbd1 Ra1 23. Bc1 Bc8 24. f4 e5 25. f5 Qe7 26. Bb2 Rxd1+ 27. Nxd1 Ra4 28. Qc3 Nf6 29. Nf2 Nd7 30. Bd1 Ra7 31. Bb3 Kh8 32. Ng4 Qh4 33. h3 f6 34. Be6 Qh5 35. Kh2 Qe8 36. Qd2 Be7 37. Rg3 Nb8 38. Bb3 Rd7 39. Qe1 Rd8 40. Bxe5 fxe5 41. Nxe5 h6 42. Bf7 Bh4 43. Bxe8 Bxg3+ 44. Qxg3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.16"]
[Round "2"]
[White "Trifunovic, Petar"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "D39"]
[EventDate "1953.03.14"]
[PlyCount "40"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bxf6 Bxc3+ 10. bxc3 Qxc3+ 11. Kf1 Qxc4+ 12. Kg1 O-O 13. Qg4 g6 14. Qf4 Nd7 15. e5 Nxf6 16. exf6 Kh8 17. Rc1 e5 18. Qh6 Qxc1+ 19. Qxc1 exd4 20. h4 Bf5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Bolbochan, Julio"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "E65"]
[EventDate "1953.03.14"]
[PlyCount "144"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c5 7. d4 Nc6 8. dxc5 dxc5 9. Be3 Qa5 10. Bd2 Bf5 11. Nd5 Qd8 12. Bc3 Be4 13. Nh4 Bxg2 14. Nxg2 Nh5 15. Qb3 Bxc3 16. bxc3 Na5 17. Qb5 e6 18. Ndf4 Nxf4 19. Nxf4 Qc7 20. Rad1 Rfd8 21. Rd3 Rxd3 22. exd3 Rd8 23. h4 b6 24. Re1 Qd7 25. Qb2 Nc6 26. Qe2 h5 27. Qe4 Kg7 28. Kh2 Qd6 29. a4 Ne7 30. Kg1 Nf5 31. Qe5+ Qxe5 32. Rxe5 Kf6 33. Re1 Ne7 34. Rd1 e5 35. Ng2 e4 36. d4 cxd4 37. cxd4 Nc6 38. d5 Na5 39. Ne3 Ke5 40. c5 bxc5 41. Rb1 a6 42. Rb6 Rd6 43. Rb8 Kd4 44. g4 Rd7 45. gxh5 gxh5 46. Ra8 Nc4 47. Nxc4 Kxc4 48. Rxa6 Rxd5 49. Ra8 f5 50. a5 f4 51. a6 Rd1+ 52. Kg2 Ra1 53. a7 Ra2 54. Kf1 f3 55. Kg1 Kc3 56. Rc8 Rxa7 57. Rxc5+ Kd3 58. Rb5 Ra1+ 59. Kh2 Rf1 60. Rb2 Kd4 61. Kg3 Rg1+ 62. Kh3 Kd3 63. Ra2 Rg8 64. Kh2 Rg7 65. Kh3 Rg6 66. Kh2 Kc3 67. Kh3 Rg4 68. Ra5 Kd4 69. Ra3 Rg6 70. Rb3 Ke5 71. Rb8 Kd4 72. Rb3 Rg8 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Burgalat, Francisco"]
[Black "Ojanen, Kaarle Sakari"]
[Result "0-1"]
[ECO "A91"]
[EventDate "1953.03.14"]
[PlyCount "66"]

1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. d5 e5 7. Nf3 d6 8. O-O Qe8 9. e3 Qh5 10. Bd2 Ng4 11. h3 Nh6 12. Nh2 Qg6 13. e4 f4 14. g4 Nd7 15. b4 Nf7 16. f3 h5 17. Kf2 Nf6 18. Rg1 c6 19. Ke2 Bd7 20. Be1 Rfc8 21. Qd3 Rc7 22. Bf2 cxd5 23. cxd5 Rac8 24. Rac1 hxg4 25. hxg4 a6 26. Kd2 Rc4 27. a3 Ng5 28. Qb1 Qh6 29. Rh1 Nfxe4+ 30. fxe4 f3 31. Nxf3 Nxf3+ 32. Ke2 Qd2+ 33. Kf1 Rxc3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Eliskases, Erich"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1953.03.14"]
[PlyCount "129"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O a6 8. Kh1 Be7 9. f4 Qc7 10. Bf3 Bd7 11. Nb3 Rc8 12. a4 O-O 13. Be3 Na5 14. e5 Ne8 15. Nxa5 Qxa5 16. Ne2 Bc6 17. Bxc6 Rxc6 18. Nd4 Rc8 19. Qg4 Qd5 20. Qg3 Qe4 21. Bf2 dxe5 22. fxe5 Nc7 23. Rae1 Qg6 24. Qb3 Rb8 25. c4 Bc5 26. Nf5 exf5 27. Bxc5 Rfc8 28. Bd6 b6 29. Qd3 Rb7 30. Rxf5 Ne6 31. Ref1 Rd7 32. b4 a5 33. Qe3 axb4 34. Qxb6 Rxc4 35. Qb5 Rc2 36. R5f2 Rxf2 37. Rxf2 Qe4 38. Kg1 Qe1+ 39. Rf1 Qe3+ 40. Kh1 Qa7 41. Qxb4 Rd8 42. Rb1 h6 43. h3 Ra8 44. Qe4 Rc8 45. Kh2 Qa6 46. Rb4 Qf1 47. h4 g6 48. Rb1 Qf2 49. Be7 Rc3 50. Bf6 Kh7 51. h5 Nf4 52. hxg6+ Nxg6 53. Qg4 Rc7 54. Rb8 Qf4+ 55. Qxf4 Nxf4 56. g4 Ng6 57. a5 Ra7 58. Rb5 Nf8 59. Bh4 Nd7 60. Bf2 Ra8 61. Bd4 Kg6 62. Kg3 Nf8 63. Rb6+ Ne6 64. a6 h5 65. a7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Gligoric, Svetozar"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "D38"]
[EventDate "1953.03.14"]
[PlyCount "73"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 Qd6 9. a3 Ba5 10. Qa4+ Nc6 11. Ne5 Bb6 12. e3 O-O 13. Nd3 Bd7 14. Qd1 Ne7 15. Be2 Rad8 16. O-O c6 17. g3 Ng6 18. Bf3 f5 19. Ne2 Bc7 20. Re1 Bc8 21. Qd2 Nh8 22. Bg2 Nf7 23. f4 Qe6 24. Nc3 Bb8 25. Qe2 Nd6 26. Ne5 Ne4 27. b4 a6 28. a4 g5 29. b5 Bxe5 30. fxe5 axb5 31. axb5 Bd7 32. Nxe4 dxe4 33. g4 f4 34. Bxe4 fxe3 35. h3 Rf2 36. Qxe3 Qa2 37. Qxf2 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Guimard, Carlos Enrique"]
[Black "Bolbochan, Jacobo"]
[Result "1-0"]
[ECO "D94"]
[EventDate "1953.03.14"]
[PlyCount "65"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Be2 Bg7 6. O-O O-O 7. cxd5 cxd5 8. Nc3 b6 9. Bd2 Bb7 10. Qa4 a6 11. Rfc1 Nfd7 12. Qb3 e6 13. Na4 Ra7 14. Rc2 Re8 15. Rac1 Bf8 16. Bb4 b5 17. Nc5 Ba8 18. Nxd7 Nxd7 19. Bxf8 Rxf8 20. Qb4 Nb6 21. h4 Nc4 22. b3 Nd6 23. h5 Kg7 24. Ne5 Qb8 25. Qa5 Nb7 26. Qe1 Nd6 27. f4 Qd8 28. Bd3 Ne4 29. Rc8 Qe7 30. Bxe4 Rxc8 31. h6+ Kxh6 32. Rxc8 dxe4 33. Rg8 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Jauregui Andrade, Carlos"]
[Black "Maderna, Carlos"]
[Result "0-1"]
[ECO "D58"]
[EventDate "1953.03.14"]
[PlyCount "70"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 Nbd7 7. Nf3 c6 8. a3 h6 9. Bh4 a6 10. Bd3 dxc4 11. Bxc4 b5 12. Ba2 c5 13. O-O Bb7 14. Qe2 Qb6 15. Rfd1 Rfe8 16. Bb1 Rac8 17. Ne5 c4 18. f4 a5 19. Kh1 b4 20. Na4 Qb5 21. b3 bxa3 22. Nxd7 Nxd7 23. Bxe7 Rxe7 24. Qc2 f5 25. bxc4 Qb4 26. d5 exd5 27. c5 Re4 28. Rd4 Rxd4 29. exd4 Qxd4 30. Qxf5 Nf8 31. Qc2 Bc6 32. Nb6 Re8 33. Ba2 Qb2 34. h3 Re1+ 35. Rxe1 Qxc2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Letelier Martner, Rene"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1953.03.14"]
[PlyCount "116"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. d3 e6 7. Nbd2 Be7 8. Nf1 Ne5 9. h3 Nxf3+ 10. gxf3 Bh5 11. Ba4+ Kf8 12. Ng3 e5 13. Bg5 Bg6 14. f4 exf4 15. Bxf4 h5 16. f3 Nd7 17. O-O Nb6 18. Bc2 Bg5 19. Qd2 Bxf4 20. Qxf4 Qe7 21. Rad1 Qe5 22. Qxe5 dxe5 23. h4 Ke7 24. f4 exf4 25. Ne2 f6 26. Nxf4 Bf7 27. Bb3 Bxb3 28. axb3 Rh6 29. Kh2 Nd7 30. d4 Rc8 31. Rd2 cxd4 32. cxd4 Nb6 33. Rg2 Rg8 34. Rfg1 Rh7 35. Ra1 a6 36. Ra5 Rd8 37. Rd2 Kf7 38. Kg3 g6 39. Kf3 Rhh8 40. Ke3 Nc8 41. Rc5 Rd7 42. e5 fxe5 43. dxe5 Rxd2 44. Kxd2 Rd8+ 45. Ke2 Ne7 46. Rc7 Ke8 47. Rxb7 Rd4 48. Kf3 Nf5 49. Nxg6 Nxh4+ 50. Nxh4 Rxh4 51. b4 Rc4 52. b3 Rd4 53. Ke3 Rg4 54. Kd3 h4 55. Kc3 Re4 56. Rh7 Kd8 57. e6 Rxe6 58. Rxh4 Kc7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Steiner, Herman"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1953.03.14"]
[PlyCount "101"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 Bd6 5. Bg2 Nd7 6. Qc2 Ne7 7. e4 dxc4 8. e5 Bb4+ 9. Bd2 Bxd2+ 10. Nbxd2 O-O 11. Nxc4 Nb6 12. O-O Nf5 13. Rfd1 Nd5 14. Ncd2 Qe7 15. Ne4 Rd8 16. a3 Bd7 17. Bh3 b6 18. Rac1 Kh8 19. Re1 Rg8 20. Nd6 Nh6 21. Qd2 Raf8 22. Bg2 f5 23. Qg5 Nf7 24. Qxe7 Nxe7 25. Nd2 Nd8 26. b4 g5 27. a4 Rg7 28. b5 h5 29. Rc2 Rfg8 30. Rec1 cxb5 31. axb5 Nf7 32. Rc7 Nxd6 33. exd6 Nd5 34. Bxd5 exd5 35. Rxa7 Bxb5 36. Rxg7 Kxg7 37. Rb1 Be2 38. Rxb6 f4 39. Kg2 Rd8 40. gxf4 gxf4 41. Nb3 Kf6 42. f3 Ra8 43. Nc5 h4 44. d7+ Kf5 45. Rd6 Bc4 46. d8=Q Ra2+ 47. Kg1 Ra1+ 48. Kf2 Rf1+ 49. Kg2 h3+ 50. Kxh3 Rxf3+ 51. Kh4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Pilnik, Herman"]
[Black "Shocron, Ruben"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1953.03.14"]
[PlyCount "112"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d4 d6 10. c3 Bg4 11. d5 Na5 12. cxb4 Nxb3 13. Qxb3 Nd7 14. Nfd2 Bh5 15. Nf1 Bg6 16. Ng3 f5 17. exf5 Bxf5 18. Nxf5 Rxf5 19. Nd2 Qf8 20. Ne4 Qf7 21. Be3 Bh4 22. Qd3 Rf8 23. Re2 Nf6 24. Nxf6+ Rxf6 25. Rf1 Rg6 26. Qe4 Bg5 27. Bxg5 Rxg5 28. Rc2 h5 29. f3 Rg4 30. Qe2 Rxb4 31. Qxa6 Qxd5 32. Rxc7 Qd4+ 33. Kh1 Rxa4 34. Qb7 e4 35. Qb3+ Kh7 36. Rd1 Rb4 37. Rxd4 Rxb3 38. Rxe4 Rxb2 39. h3 Rf6 40. Rce7 Rg6 41. Re2 Rb1+ 42. Kh2 Rb3 43. Rd2 Rb5 44. Rd7 Rbg5 45. h4 Ra5 46. R7xd6 Rxd6 47. Rxd6 Ra2 48. Kh3 Rb2 49. g4 hxg4+ 50. Kxg4 Rg2+ 51. Kf4 Rg1 52. Rd5 Kh6 53. Rg5 Rh1 54. Rg4 Rh3 55. Ke4 g6 56. Kf4 Kh7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.17"]
[Round "3"]
[White "Wexler, Bernardo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "E42"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 Ne4 6. f3 Nxc3 7. Nxc3 Nc6 8. d5 Ne5 9. f4 Ng6 10. Be2 Bxc3+ 11. bxc3 Qf6 12. O-O e5 13. f5 Ne7 14. e4 d6 15. Be3 Ng8 16. Qe1 Bd7 17. Rb1 O-O-O 18. Qc1 Qe7 19. Qb2 Be8 20. a4 Kb8 21. a5 Ka8 22. Qb3 h6 23. Qc2 Nf6 24. g4 Nh7 25. Bf2 h5 26. gxh5 g6 27. Bg3 gxh5 28. f6 Qf8 29. Qd2 Qg8 30. Bxh5 Ng5 31. Bf3 Nxf3+ 32. Rxf3 Bd7 33. Rf2 Qg6 34. Qe1 Rh4 35. Re2 Rdh8 36. Rb3 Rf4 37. Qb1 Bh3 38. Re1 Rf3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Bolbochan, Jacobo"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "D65"]
[EventDate "1953.03.14"]
[PlyCount "52"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 a6 8. cxd5 exd5 9. Bd3 c6 10. Qc2 Re8 11. O-O Nf8 12. a3 Ne4 13. Bxe7 Qxe7 14. Bxe4 dxe4 15. Nd2 Bf5 16. Rfe1 Nd7 17. Na4 Rad8 18. Nf1 Nf6 19. Qc5 Nd5 20. Qxe7 Rxe7 21. Ng3 Bc8 22. Nc3 f5 23. Nxd5 Rxd5 24. Rc5 Rxc5 25. dxc5 Kf7 26. Rd1 Rd7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Burgalat, Francisco"]
[Black "Jauregui Andrade, Carlos"]
[Result "0-1"]
[ECO "A95"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. d4 f5 2. c4 e6 3. g3 Nf6 4. Nf3 Be7 5. Bg2 O-O 6. Nc3 d5 7. O-O c6 8. b3 Nbd7 9. Bb2 Ne4 10. Qd3 Qe8 11. Rad1 Qh5 12. Nd2 Ndf6 13. f3 Nxc3 14. Bxc3 f4 15. gxf4 Bd6 16. e3 g5 17. Rf2 Qh4 18. Bf1 gxf4 19. e4 Be7 20. e5 Nh5 21. Rg2+ Kh8 22. Nb1 Ng7 23. Qd2 Bd7 24. Bd3 Be8 25. Kh1 Bh5 26. Qf2 Qh3 27. Nd2 Bh4 28. Qg1 Rg8 29. Rf1 Nf5 30. Bxf5 Qxf5 31. Rc1 Bg6 32. Qf1 Rg7 33. Qe2 Qh5 34. Rcg1 Rag8 35. Rg4 Bg3 36. Nf1 Be4 37. R1xg3 fxg3 38. Nxg3 Rxg4 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Carvalho jr, Flavio de"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1953.03.14"]
[PlyCount "100"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. h3 c6 9. dxe5 dxe5 10. Be3 Qe7 11. Qb3 Nh5 12. Ne4 f5 13. c5+ Kh8 14. Bg5 Nhf6 15. Nxf6 Nxf6 16. Qe3 e4 17. Nd2 Be6 18. Rfd1 Rfe8 19. Nb3 Qf8 20. Nd4 Bf7 21. Qa3 Nd5 22. e3 h6 23. Bf4 Nxf4 24. gxf4 Red8 25. b4 Bd5 26. Rab1 Qf7 27. Rd2 g5 28. Rbd1 gxf4 29. exf4 Rg8 30. Qe3 Qg6 31. Ne2 Bf6 32. Ng3 h5 33. h4 Bxh4 34. Kh2 Bxg3+ 35. fxg3 Rg7 36. Bh3 Rag8 37. Rg1 Qf6 38. Rdg2 Be6 39. a3 Bc4 40. Rc1 Bd3 41. Rcg1 Rd8 42. Rd2 Rgd7 43. Rgd1 Rd5 44. Rc1 Kg7 45. Kg1 Kg6 46. Kf2 R8d7 47. Bg2 a5 48. Ke1 axb4 49. axb4 Rd4 50. Rb2 Rc4 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Cuellar Gacharna, Miguel"]
[Black "Bolbochan, Julio"]
[Result "1/2-1/2"]
[ECO "D76"]
[EventDate "1953.03.14"]
[PlyCount "100"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d5 6. cxd5 Nxd5 7. O-O Nb6 8. Nc3 Nc6 9. e3 a5 10. b3 Re8 11. Bb2 a4 12. Nxa4 Nxa4 13. bxa4 Qd6 14. Ng5 Qb4 15. Bxc6 bxc6 16. Qb3 Qxb3 17. axb3 Bf5 18. e4 Bg4 19. f3 Bd7 20. e5 Reb8 21. Ba3 f6 22. Ne4 fxe5 23. Bxe7 exd4 24. Bf6 Be6 25. Bxg7 Kxg7 26. Rfd1 Ra5 27. Rxd4 Rxb3 28. Re1 Rd5 29. Rc4 Rxf3 30. Rxc6 Re5 31. Rxc7+ Rf7 32. Rxf7+ Bxf7 33. Kf2 Bb3 34. Nc3 Rc5 35. Re3 Ra5 36. Re7+ Kh6 37. h4 Bxa4 38. Ne4 Rf5+ 39. Ke3 Bb3 40. Ng5 Bg8 41. g4 Rxg5 42. hxg5+ Kxg5 43. Kf3 Kf6 44. Re8 Bf7 45. Rf8 g5 46. Rb8 h5 47. Rb6+ Kg7 48. gxh5 Bxh5+ 49. Ke4 Bg6+ 50. Ke5 Bf7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Maderna, Carlos"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D72"]
[EventDate "1953.03.14"]
[PlyCount "41"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb4 7. a3 N4c6 8. d5 Nd4 9. Nc3 c5 10. Nce2 e5 11. Nxd4 cxd4 12. Nh3 a5 13. O-O O-O 14. Bg5 f6 15. Bd2 Na6 16. f4 Bd7 17. fxe5 fxe5 18. Rxf8+ Bxf8 19. Qf3 a4 20. Rf1 Qe8 21. Nf2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Medina Garcia, Antonio Angel"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "C86"]
[EventDate "1953.03.14"]
[PlyCount "85"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Qe2 Nd7 10. Rd1 Bf6 11. Be3 Na5 12. Bc2 Nc4 13. Bc1 Qe7 14. a4 Bb7 15. b3 Ncb6 16. a5 Nc8 17. d5 c5 18. Nbd2 g6 19. Nf1 Bg7 20. Ne3 f5 21. h4 f4 22. Ng4 h6 23. g3 Nf6 24. Ngh2 fxg3 25. fxg3 Nh5 26. Kg2 Rf7 27. Rf1 Qf8 28. Be3 Ne7 29. Nd2 Nf4+ 30. gxf4 exf4 31. Bf2 Bxc3 32. Ndf3 g5 33. hxg5 hxg5 34. Kh1 Qh6 35. Nxg5 Rg7 36. Ne6 Bxa1 37. Rxa1 Rh7 38. Rg1+ Kh8 39. Be1 Nxd5 40. Ng5 Rg7 41. exd5 Bxd5+ 42. Be4 Re8 43. Bc3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Ojanen, Kaarle Sakari"]
[Black "Shocron, Ruben"]
[Result "1/2-1/2"]
[ECO "E24"]
[EventDate "1953.03.14"]
[PlyCount "112"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 Nc6 7. e4 d6 8. Ne2 e5 9. Ra2 O-O 10. Bg5 Na5 11. Ng3 h6 12. Bc1 cxd4 13. cxd4 Be6 14. d5 Bd7 15. Be3 b6 16. Rb2 Rc8 17. Rb4 Ne8 18. Nf5 Bxf5 19. exf5 Nc7 20. g4 Na6 21. Ra4 Nc5 22. Rb4 Qf6 23. h4 Na6 24. Ra4 Rc7 25. Bd3 e4 26. Bxe4 Qc3+ 27. Kf2 Qb2+ 28. Qe2 Qxe2+ 29. Kxe2 Nc5 30. Rb4 Re8 31. Bf4 Nab7 32. Rc1 Nxe4 33. fxe4 Rxe4+ 34. Kf3 Rce7 35. Rc3 Re1 36. Rb2 f6 37. Rf2 Kf7 38. Bg3 Rc7 39. Re2 Rxe2 40. Kxe2 Ke7 41. Re3+ Kd7 42. Re4 Nc5 43. Re3 Rb7 44. Be1 b5 45. cxb5 Rxb5 46. Kf3 Rb1 47. Ke2 Rb5 48. Kf3 Na4 49. Ke4 Rc5 50. Rb3 Rc1 51. Bf2 Rc7 52. Rb8 Nc5+ 53. Bxc5 dxc5 54. Rg8 Kd6 55. Rd8+ Ke7 56. Rg8 Kd6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Rossetto, Hector Decio"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "C14"]
[EventDate "1953.03.14"]
[PlyCount "43"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4 f5 8. exf6 Nxf6 9. Qh4 c5 10. Nf3 Nc6 11. dxc5 Qxc5 12. O-O-O Bd7 13. Bd3 Qb4 14. Qg3 O-O 15. Rhe1 Rae8 16. a3 Qg4 17. Qxg4 Nxg4 18. Rd2 a6 19. h3 Nf6 20. Ne5 Nxe5 21. Rxe5 Bc6 22. Bf1 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Steiner, Herman"]
[Black "Guimard, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "D53"]
[EventDate "1953.03.14"]
[PlyCount "108"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 O-O 6. Rc1 c6 7. Qb3 Nbd7 8. e3 Ne4 9. Bxe7 Qxe7 10. Be2 f5 11. O-O Kh8 12. Nxe4 fxe4 13. Nd2 Nf6 14. f3 exf3 15. Bxf3 Rd8 16. Qc3 Bd7 17. e4 Be8 18. cxd5 exd5 19. Rce1 Qd7 20. exd5 cxd5 21. Re5 Qd6 22. Rfe1 Bc6 23. a3 Rac8 24. Qe3 Bd7 25. h3 Rf8 26. Qb3 Bc6 27. Qe3 Bd7 28. Bd1 Qb6 29. b4 a5 30. Bf3 axb4 31. Rb1 Rfe8 32. Rxb4 Rxe5 33. Qxe5 Qc6 34. Rc4 Qe6 35. Qxe6 Bxe6 36. Rxc8+ Bxc8 37. Kf2 Kg8 38. Ke3 Kf7 39. Kf4 Ke7 40. Nf1 Kd6 41. Ne3 Be6 42. g4 Ng8 43. Bd1 Ne7 44. Ba4 h6 45. h4 g5+ 46. hxg5 Ng6+ 47. Kf3 hxg5 48. Ng2 Ne7 49. Ne1 Nc6 50. Bxc6 Kxc6 51. Kg3 Kb5 52. Nf3 Kc4 53. Nxg5 Bxg4 54. Kxg4 Kxd4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.18"]
[Round "4"]
[White "Trifunovic, Petar"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D58"]
[EventDate "1953.03.14"]
[PlyCount "44"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Bd3 Bb7 9. O-O Nbd7 10. Qe2 c5 11. Rfd1 cxd4 12. Nxd4 Ne5 13. Bxf6 Bxf6 14. cxd5 Nxd3 15. Qxd3 exd5 16. Rd2 Rc8 17. Rad1 Re8 18. Nde2 Be5 19. Qb5 Qf6 20. Qa4 Bb8 21. Qd7 Bc6 22. Qg4 Rcd8 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Bolbochan, Julio"]
[Black "Bolbochan, Jacobo"]
[Result "1/2-1/2"]
[ECO "D68"]
[EventDate "1953.03.14"]
[PlyCount "41"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1 exd4 14. exd4 Nb6 15. Re1 Qf6 16. Bb3 Be6 17. Bxe6 fxe6 18. Qe4 Rae8 19. Rb3 Re7 20. Qe5 Qxe5 21. Rxe5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Eliskases, Erich"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "D12"]
[EventDate "1953.03.14"]
[PlyCount "83"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. Bd3 Bxd3 7. Qxd3 Bb4 8. O-O Nbd7 9. Bd2 O-O 10. Nxd5 Nxd5 11. cxd5 Bxd2 12. dxe6 Ba5 13. exd7 Qxd7 14. Rfd1 Bc7 15. Rac1 Qe7 16. d5 cxd5 17. Qxd5 Rfd8 18. Qc4 Rac8 19. Rxd8+ Rxd8 20. g3 Bb6 21. Kg2 h6 22. a4 Qd6 23. b4 a5 24. bxa5 Bxa5 25. Qb5 b6 26. Nd4 g6 27. Nc6 Ra8 28. e4 Qa3 29. Rd1 Qc5 30. Rd8+ Rxd8 31. Nxd8 Qe7 32. Qd5 Bc3 33. Nc6 Qb7 34. h4 h5 35. Kg1 Bg7 36. e5 Bxe5 37. Qd8+ Kg7 38. Nxe5 Qe4 39. Qc7 Qe1+ 40. Kg2 Qe4+ 41. Kh2 Qf5 42. f4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Gligoric, Svetozar"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "D66"]
[EventDate "1953.03.14"]
[PlyCount "42"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 O-O 8. Rc1 c6 9. Bd3 dxc4 10. Bxc4 b5 11. Be2 a6 12. a4 Bb7 13. O-O b4 14. Nb1 c5 15. Nbd2 Rc8 16. Nc4 cxd4 17. Nxd4 Nc5 18. a5 Nfe4 19. Bxe7 Qxe7 20. f3 Nf6 21. Nb6 Rc7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Guimard, Carlos Enrique"]
[Black "Maderna, Carlos"]
[Result "1/2-1/2"]
[ECO "B14"]
[EventDate "1953.03.14"]
[PlyCount "42"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. e3 Nc6 6. a3 cxd4 7. exd4 Be7 8. Bd3 dxc4 9. Bxc4 O-O 10. O-O b6 11. Be3 Bb7 12. Ba2 Rc8 13. Rc1 Na5 14. Ne5 Nd5 15. Nxd5 Bxd5 16. Rxc8 Qxc8 17. Bxd5 exd5 18. Qa4 Bd6 19. Rc1 Qe6 20. b4 Bxe5 21. bxa5 Bd6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Jauregui Andrade, Carlos"]
[Black "Ojanen, Kaarle Sakari"]
[Result "0-1"]
[ECO "E70"]
[EventDate "1953.03.14"]
[PlyCount "66"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. O-O Nc7 11. Bg5 h6 12. Bf4 Kh8 13. Qd2 Ng8 14. Nge4 Ne8 15. Nb5 g5 16. Nexd6 gxf4 17. Nxe8 Rxe8 18. d6 Re5 19. Rad1 Be6 20. b3 Nf6 21. Bf3 Ne4 22. Qxf4 Qg5 23. g3 a6 24. Nc7 Rd8 25. d7 Bxd7 26. h4 Qxf4 27. gxf4 Re7 28. Nd5 Ree8 29. Nc7 Rg8 30. Bxe4 Be5+ 31. Kh1 Bxc7 32. Bxb7 Rg4 33. Rd3 Bc6+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Letelier Martner, Rene"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "E48"]
[EventDate "1953.03.14"]
[PlyCount "55"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 d5 7. a3 cxd4 8. exd4 dxc4 9. Bxc4 Be7 10. O-O O-O 11. Qd3 b6 12. Rd1 Bb7 13. Bg5 Nd5 14. Bd2 Bg5 15. Nxd5 exd5 16. Ba2 Bf6 17. Rac1 Re8 18. Be3 Ne7 19. Ng3 g6 20. Qb3 Nc8 21. Bf4 Nd6 22. Qf3 Ne4 23. Nxe4 Rxe4 24. Rc7 Re7 25. Rxb7 Rxb7 26. Bxd5 Rab8 27. Bxb7 Rxb7 28. Qxb7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1953.03.14"]
[PlyCount "63"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. d5 Na6 11. Nd4 Nc5 12. f4 f5 13. Ba3 Rf7 14. Rad1 a6 15. e3 g6 16. g4 fxg4 17. e4 b5 18. cxb5 axb5 19. Bb4 exd5 20. exd5 Ra6 21. f5 Qa8 22. fxg6 hxg6 23. Rxf7 Kxf7 24. Rf1+ Kg7 25. Qe2 Bd6 26. Qxg4 Rxa2 27. Nf5+ Kh7 28. Qh4+ Kg8 29. Nh6+ Kh7 30. Nf7+ Kg7 31. Qh6+ Kg8 32. Qh8# 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Pilnik, Herman"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "C75"]
[EventDate "1953.03.14"]
[PlyCount "115"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nge7 7. d4 Ng6 8. Qe2 Be7 9. dxe5 dxe5 10. Rd1 Qc8 11. Be3 O-O 12. Bc2 f5 13. exf5 Bxf5 14. Bxf5 Qxf5 15. Qc4+ Kh8 16. Nbd2 Rae8 17. Qe4 Qh5 18. Nf1 Nf4 19. Ng3 Qg4 20. Kh1 h5 21. Ng1 Bd6 22. h3 Qe6 23. Re1 g5 24. Nf3 Qh6 25. Nf5 Qf6 26. Bxf4 gxf4 27. Nxd6 cxd6 28. Rad1 Rg8 29. Re2 Rg7 30. Red2 Re6 31. c4 Qg6 32. Qxg6 Rgxg6 33. Re1 b6 34. b3 Kg7 35. h4 Re8 36. Ng5 Kf8 37. g3 fxg3 38. fxg3 Ke7 39. Rf1 Kd7 40. Ne4 Ke7 41. Rdf2 Kd8 42. Kh2 b5 43. Rf6 Re6 44. Rf8+ Re8 45. R1f6 Rxf8 46. Rxg6 bxc4 47. Rxd6+ Kc7 48. bxc4 Rf2+ 49. Nxf2 Kxd6 50. Ne4+ Ke6 51. Nc5+ Kd6 52. Nxa6 e4 53. Kg2 Ne5 54. c5+ Kd5 55. Kf2 Kd4 56. Ke2 Kd5 57. Nc7+ Kxc5 58. Ke3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Shocron, Ruben"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "C53"]
[EventDate "1953.03.14"]
[PlyCount "80"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. a4 a6 6. d3 Nf6 7. Na3 Be6 8. O-O Bxa3 9. Bxe6 fxe6 10. Rxa3 O-O 11. Qe2 Qe8 12. b4 Qh5 13. b5 Nd8 14. Re1 Nf7 15. d4 exd4 16. Nxd4 Qxe2 17. Rxe2 Rfe8 18. f3 Ne5 19. Raa2 Nc4 20. Kf2 Nd7 21. Nb3 Nde5 22. Rec2 c6 23. Ke2 d5 24. Nc5 cxb5 25. axb5 Rac8 26. Nxb7 axb5 27. Bf4 Re7 28. Na5 Nxa5 29. Rxa5 Nc6 30. Raa2 b4 31. Rab2 e5 32. Bd2 dxe4 33. fxe4 Rec7 34. Rc1 bxc3 35. Rxc3 Nd4+ 36. Kd3 Rxc3+ 37. Bxc3 Rd8 38. Ke3 Nc6 39. Rb5 Re8 40. Rc5 Re6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.20"]
[Round "5"]
[White "Wexler, Bernardo"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1953.03.14"]
[PlyCount "53"]

1. d4 d5 2. Nf3 e6 3. g3 Bd6 4. Bg2 f5 5. O-O Ne7 6. c4 c6 7. b3 Nd7 8. Ba3 Bxa3 9. Nxa3 Ng6 10. e3 Qe7 11. Nc2 O-O 12. cxd5 exd5 13. Nce1 Nf6 14. Nd3 Ne4 15. Rc1 Bd7 16. Nfe5 Nxe5 17. Nxe5 Rf6 18. Qc2 Raf8 19. f3 Nd6 20. f4 Be8 21. a4 Kh8 22. h4 a6 23. Rfe1 Rh6 24. Qc5 Rg8 25. b4 Re6 26. Bf1 h6 27. Bd3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Bolbochan, Jacobo"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "A92"]
[EventDate "1953.03.14"]
[PlyCount "35"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nbd2 Qe8 8. e3 Qh5 9. Ne5 Qxd1 10. Rxd1 Nbd7 11. Ndf3 c6 12. b3 Nxe5 13. Nxe5 Nd7 14. Nxd7 Bxd7 15. Bb2 a5 16. a4 Bb4 17. Ba3 Bxa3 18. Rxa3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Burgalat, Francisco"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "D40"]
[EventDate "1953.03.14"]
[PlyCount "100"]

1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. c4 d5 5. Bd3 Nc6 6. Nc3 dxc4 7. Bxc4 a6 8. O-O b5 9. Be2 cxd4 10. exd4 Be7 11. a3 O-O 12. b4 Bb7 13. Be3 Rc8 14. Qd2 Nb8 15. Ne5 Nd5 16. Nxd5 Bxd5 17. Rac1 Qb6 18. Bh5 Rxc1 19. Rxc1 Qb7 20. Qc2 Bd6 21. f4 g6 22. Bf3 Bxf3 23. Nxf3 a5 24. Ne5 axb4 25. axb4 Qd5 26. Qc3 Rd8 27. Ra1 Kg7 28. Ra3 h6 29. Qe1 Nc6 30. Nxc6 Qxc6 31. Qh4 Qc7 32. f5 g5 33. Bxg5 hxg5 34. Qxg5+ Kf8 35. Rh3 Ke8 36. fxe6 fxe6 37. Qxb5+ Rd7 38. Rh8+ Bf8 39. Qc5 Qxc5 40. dxc5 Rb7 41. Rh4 Rxb4 42. Rh5 Rc4 43. Kf2 Bxc5+ 44. Kf3 Bd6 45. Rh7 e5 46. h3 e4+ 47. Ke2 Bc5 48. Rh5 Kd7 49. Rd5+ Ke6 50. Rg5 e3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Carvalho jr, Flavio de"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "E87"]
[EventDate "1953.03.14"]
[PlyCount "89"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 e5 5. e4 d6 6. Bd3 Bg7 7. Ne2 O-O 8. Nbc3 Nh5 9. Be3 f5 10. Qd2 f4 11. Bf2 Na6 12. a3 Bd7 13. Nb5 Be8 14. b4 b6 15. Nc1 Nc7 16. bxc5 bxc5 17. Rb1 Rf7 18. Nxc7 Qxc7 19. Ke2 Bf6 20. Na2 g5 21. h3 Bd8 22. Rb2 Rb8 23. Rhb1 Rb6 24. Nc3 Qb8 25. Rxb6 axb6 26. a4 Ra7 27. Bc2 Nf6 28. Qd3 h5 29. Nb5 Rg7 30. Qa3 g4 31. hxg4 hxg4 32. Rh1 gxf3+ 33. gxf3 Nh5 34. Ke1 Ng3 35. Rh2 Bxb5 36. axb5 Ra7 37. Qb2 Qa8 38. Bxg3 fxg3 39. Rg2 Ra2 40. Qc1 Qa5+ 41. Qd2 Qxd2+ 42. Kxd2 Bg5+ 43. Ke1 Kf7 44. Kf1 Ra1+ 45. Ke2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Cuellar Gacharna, Miguel"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1953.03.14"]
[PlyCount "85"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. b3 c6 9. dxe5 dxe5 10. Qc2 Re8 11. Bb2 e4 12. Ng5 e3 13. f4 Nc5 14. Rad1 Qb6 15. Qc1 Bf5 16. Qa1 Ng4 17. h3 Nf2 18. g4 Nxd1 19. Nxd1 Bxb2 20. Qxb2 Bd7 21. f5 Rf8 22. f6 h6 23. Ne4 Nxe4 24. Bxe4 Rae8 25. Qc2 Kh7 26. Nc3 Bc8 27. Bg2 Qd4 28. Ne4 Rd8 29. c5 Rd5 30. a3 a5 31. Qb1 Rfd8 32. b4 axb4 33. axb4 Be6 34. Nd6 R8xd6 35. cxd6 Rxd6 36. b5 Bd5 37. bxc6 bxc6 38. Bxd5 cxd5 39. Qb3 Qe5 40. Rf3 Re6 41. h4 d4 42. g5 hxg5 43. hxg5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Jauregui Andrade, Carlos"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E86"]
[EventDate "1953.03.14"]
[PlyCount "138"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 Nbd7 7. Qd2 e5 8. Nge2 c6 9. Rd1 Re8 10. d5 c5 11. g4 h5 12. h3 a6 13. a4 Nh7 14. b3 Bf6 15. Rg1 Ng5 16. Kf2 h4 17. Bg2 Nf8 18. a5 Nfh7 19. Na4 Be7 20. b4 f5 21. Ke1 fxe4 22. fxe4 cxb4 23. Qxb4 Rf8 24. Rd3 Nf3+ 25. Kd1 Nxg1 26. Bxg1 Bd7 27. Nb6 Rb8 28. Qe1 Be8 29. Nc3 Qc7 30. Bf2 Rf7 31. Qd2 Nf6 32. Ke1 Nd7 33. Nca4 Nxb6 34. Nxb6 Bd8 35. Be3 Qe7 36. Rb3 Qf6 37. Rb1 Bd7 38. Rb3 Bc7 39. Rb2 Rbf8 40. Bg5 Qh8 41. Bh6 Bxb6 42. Rxb6 Rf2 43. Qg5 Qf6 44. Qxf6 R8xf6 45. Rxd6 Rf7 46. Rxd7 Rxg2 47. Rd8+ Kh7 48. Bg5 Rxg4 49. hxg4 h3 50. Bf6 Rxf6 51. Rd7+ Kh6 52. Rxb7 Rf4 53. Kd2 Rxe4 54. Kc3 Rd4 55. Re7 Rd1 56. Re8 Kg7 57. Re7+ Kh6 58. Re8 Kg5 59. Rxe5+ Kxg4 60. Re4+ Kf3 61. Rh4 Kg3 62. Rh6 h2 63. d6 Rxd6 64. Kb4 Kg2 65. Kc5 Rf6 66. Kd5 h1=Q 67. Rxh1 Kxh1 68. c5 g5 69. c6 g4 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Maderna, Carlos"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "D38"]
[EventDate "1953.03.14"]
[PlyCount "79"]

1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. e3 O-O 10. Be2 c6 11. O-O Ba5 12. Na4 Nd7 13. Rac1 Bc7 14. Qc2 Qe7 15. Bd3 g6 16. b4 a6 17. Rfe1 f5 18. Qb3 Nf6 19. Nc3 Ne4 20. a4 Bd6 21. Na2 g5 22. Re2 g4 23. Bxe4 fxe4 24. Nd2 Be6 25. Nf1 h5 26. b5 axb5 27. axb5 Ra3 28. Qb1 Bd7 29. Nc3 Rfa8 30. Ra2 Rxa2 31. Nxa2 h4 32. Nc3 Qf7 33. bxc6 bxc6 34. Qc2 h3 35. Qe2 hxg2 36. Kxg2 Bb4 37. Kg1 Ra3 38. Qb2 Qe7 39. Ng3 Ra8 40. Ra1 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Medina Garcia, Antonio Angel"]
[Black "Shocron, Ruben"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1953.03.14"]
[PlyCount "50"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 c5 6. dxc5 Qa5 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. cxd6 Nxe4 10. O-O Nxc3 11. bxc3 e5 12. Bg5 f6 13. Be3 O-O 14. c4 b6 15. Nd2 Qb4 16. c5 Nxc5 17. Rb1 Qc3 18. Qf3 Rad8 19. Qd5+ Rf7 20. Nc4 Nd7 21. f4 Rc8 22. fxe5 Nxe5 23. d7 Rd8 24. Rf4 Nxc4 25. Re4 Ne5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Ojanen, Kaarle Sakari"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "E51"]
[EventDate "1953.03.14"]
[PlyCount "64"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 Nxd5 9. c4 Nf6 10. Qc2 cxd4 11. exd4 Bd7 12. Be2 b5 13. c5 Bc6 14. O-O Be4 15. Qc3 Nc6 16. Be3 Nd5 17. Qc1 Rb8 18. Ne5 Qc7 19. Nxc6 Qxc6 20. Qd2 Bxg2 21. Rfe1 Ne7 22. Bf4 Rb7 23. Bd6 Bd5 24. Qc3 Rc8 25. Bxe7 Rxe7 26. Reb1 e5 27. Bxb5 Qg6+ 28. Qg3 Qe4 29. f3 Qxd4+ 30. Qf2 Qxf2+ 31. Kxf2 Rxc5 32. Bd3 g6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Rossetto, Hector Decio"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "D94"]
[EventDate "1953.03.14"]
[PlyCount "141"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. e4 b5 10. Bd3 e5 11. dxe5 Ng4 12. Be2 Nc5 13. Qc2 Ne6 14. Rd1 Qc7 15. g3 a5 16. Bf1 a4 17. Ne2 Qb6 18. Nf4 a3 19. Rb1 axb2 20. Qxb2 Nxf4 21. Bxf4 Be6 22. Ra1 Ra4 23. h3 Rxe4 24. hxg4 Bxg4 25. Bg2 g5 26. Bxg5 Bxf3 27. Bxf3 Bxe5 28. Qd2 Rd4 29. Be3 Rxd2 30. Bxb6 Rc2 31. Rac1 Rxa2 32. Bxc6 b4 33. Rd5 Bc3 34. Rg5+ Kh8 35. Rxc3 bxc3 36. Bd4+ f6 37. Bd5 Ra6 38. Bxc3 Rd6 39. Rf5 Ra6 40. g4 h6 41. Kg2 Kg7 42. Bd2 Rd8 43. Rh5 Rh8 44. Be4 Re6 45. f3 Rb6 46. Kg3 Rd6 47. Bf4 Ra6 48. Rc5 Ra7 49. Kh4 Rd7 50. Kh5 Ra7 51. Rb5 Rd7 52. Rb7 Rxb7 53. Bxb7 Rd8 54. Bxh6+ Kf7 55. g5 fxg5 56. Bxg5 Rd1 57. Kg4 Rd7 58. Be4 Rd4 59. Kf5 Rd7 60. Bf6 Rd2 61. f4 Rd7 62. Bf3 Kf8 63. Ke6 Ra7 64. Bd5 Ra6+ 65. Ke5 Ra5 66. f5 Ke8 67. Bg7 Ra7 68. f6 Rc7 69. Ke6 Re7+ 70. Kf5 Rc7 71. Kg6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.21"]
[Round "6"]
[White "Steiner, Herman"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "E81"]
[EventDate "1953.03.14"]
[PlyCount "116"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5 Be6 10. Nc3 Nc6 11. Rd1 a6 12. Qf4 Ne5 13. Qh4 Re8 14. Nh3 h6 15. Bxh6 Nxe4 16. Qxd8 Rexd8 17. Bxg7 Nxc3 18. Bxe5 Nxd1 19. Bf6 Ne3 20. Bxd8 Rxd8 21. b3 Bxh3 22. gxh3 d5 23. cxd5 Rxd5 24. Be2 Nf5 25. Bc4 Rd6 26. Ke2 b5 27. Bd3 Nd4+ 28. Ke3 f5 29. Rc1 Re6+ 30. Kf2 Rc6 31. h4 Kf7 32. Ke3 Kf6 33. Rg1 Ne6 34. f4 Rd6 35. Be2 Rd4 36. h5 Re4+ 37. Kd2 Nxf4 38. Bf3 Rd4+ 39. Ke3 Nxh5 40. Rc1 f4+ 41. Ke2 c4 42. bxc4 bxc4 43. Bb7 a5 44. Ba6 Rd3 45. Rxc4 Rh3 46. Ra4 Rxh2+ 47. Kf3 Rh3+ 48. Kf2 Kg5 49. Bb7 Kh4 50. Rxa5 g5 51. Be4 Re3 52. Ra4 Nf6 53. Bf3 Ng4+ 54. Bxg4 Kxg4 55. Ra8 Rh3 56. a4 Rh2+ 57. Kg1 Ra2 58. Ra5 Kh4 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Bolbochan, Julio"]
[Black "Maderna, Carlos"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1953.03.14"]
[PlyCount "117"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 dxe4 8. Qxd8+ Kxd8 9. Ng5 Be6 10. Nxe6+ fxe6 11. Bc4 Nbd7 12. Bxe6 Bb4 13. Ke2 Re8 14. Bxd7 Kxd7 15. Rd1+ Ke6 16. Nb5 Rac8 17. Be3 a6 18. Nd4+ Kf7 19. Rac1 g6 20. Nb3 Rxc1 21. Rxc1 Bd6 22. h3 Be5 23. Nc5 Re7 24. b3 Bd6 25. Na4 Nd5 26. Nb6 Nxb6 27. Bxb6 Bf4 28. Rc4 h5 29. Be3 Bb8 30. Bc5 Re5 31. b4 Ke6 32. Ke3 Kf5 33. Rd4 Re8 34. Rd5+ Kf6 35. Bd4+ Kf7 36. Rd7+ Re7 37. Rxe7+ Kxe7 38. Kxe4 Ke6 39. g4 hxg4 40. hxg4 Bd6 41. Bc5 Be5 42. Bd4 Bd6 43. Bc3 Be7 44. f4 Bf8 45. f5+ gxf5+ 46. gxf5+ Kd6 47. b5 Kc5 48. bxa6 bxa6 49. f6 Kc6 50. Kf5 Kd7 51. Kg6 Be7 52. f7 Ke6 53. Kg7 Bd6 54. a4 Ba3 55. Kg8 Bd6 56. Bg7 Bc5 57. Bf8 Be3 58. Bb4 Bh6 59. Bc3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Eliskases, Erich"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
[ECO "A84"]
[EventDate "1953.03.14"]
[PlyCount "66"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 f5 5. Bf4 Bd6 6. e3 Ne7 7. h4 Ng6 8. Bxd6 Qxd6 9. h5 Ne7 10. h6 g6 11. Ng5 Ng8 12. Rc1 Nf6 13. f4 Nbd7 14. c5 Qe7 15. Be2 O-O 16. Qa4 Ne4 17. Ncxe4 fxe4 18. g4 e5 19. dxe5 Nxe5 20. Qd4 Nxg4 21. Qg7+ Qxg7 22. hxg7 Kxg7 23. Rxh7+ Kg8 24. Bxg4 Bxg4 25. Rxb7 Rab8 26. Rxb8 Rxb8 27. b3 Kg7 28. Kf2 Kf6 29. Kg3 Bh5 30. Kh4 Rb5 31. Nh7+ Kg7 32. Ng5 Kf6 33. Nh7+ Kg7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Gligoric, Svetozar"]
[Black "Bolbochan, Jacobo"]
[Result "1-0"]
[ECO "E26"]
[EventDate "1953.03.14"]
[PlyCount "89"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Ne2 Na5 9. e4 Ba6 10. e5 Ng8 11. Ng3 Bxc4 12. Ne4 d5 13. exd6 Bxd3 14. Qxd3 c4 15. Qg3 Kf8 16. Bg5 Qd7 17. O-O Re8 18. Rae1 h6 19. Bf4 Nc6 20. h4 Nd8 21. Nd2 Qc6 22. d7 Qxd7 23. Nxc4 f6 24. Bd6+ Ne7 25. Re4 Kg8 26. Bxe7 Rxe7 27. Rfe1 h5 28. Nb2 Qc7 29. Qf3 Rh6 30. c4 Kh7 31. d5 f5 32. R4e2 Rf6 33. Nd3 g6 34. Nf4 e5 35. Qc3 Nf7 36. Ne6 Rfxe6 37. dxe6 Rxe6 38. Rd2 Rc6 39. Red1 Rxc4 40. Qb2 Qc5 41. Rd5 Qc8 42. Rd7 Rc7 43. Qb5 Kg8 44. Kh2 a6 45. Rd8+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Guimard, Carlos Enrique"]
[Black "Jauregui Andrade, Carlos"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "82"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qa5 10. Be3 exd4 11. Bxd4 Nc5 12. Nd2 Ne6 13. Be3 Nd7 14. Nb3 Qb4 15. Rc1 Qxc4 16. Qxd6 Ne5 17. Rfd1 Qa6 18. Bf1 b5 19. Qb4 Nc4 20. Nc5 Qa5 21. Qxa5 Nxa5 22. b3 Re8 23. Bg2 Nb7 24. Nxe6 Bxe6 25. Ne2 Rac8 26. e5 Bxe5 27. Rxc6 Bxh3 28. Rxc8 Bxc8 29. Bc6 Re7 30. Bxb5 Bg4 31. f4 Bc7 32. Bxa7 Nd6 33. Bc5 Bxe2 34. Bxe2 Rxe2 35. Bxd6 Bxd6 36. Rxd6 Rxa2 37. Kf1 Rb2 38. Rd3 h5 39. Ke1 Kg7 40. Kd1 Kf6 41. Kc1 Rf2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Letelier Martner, Rene"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "70"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Be3 Nc5 12. Qc2 a5 13. Rad1 a4 14. Nde2 Qe7 15. Bxc5 dxc5 16. Nxa4 Nxe4 17. Nb6 Bf5 18. Bxe4 Bxe4 19. Qb3 Rad8 20. Nf4 Bd4 21. Na4 b5 22. Nc3 bxc4 23. Qxc4 Bf5 24. Kh2 Rb8 25. Rd2 Rb4 26. Qe2 Be5 27. Ng2 Rh4 28. Nxh4 Qxh4 29. Kg1 Qxh3 30. Re1 Re6 31. Qf1 Qh5 32. Rde2 Bg4 33. Re4 Bd4 34. Qg2 Bf3 35. Qh2 Bxf2+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1-0"]
[ECO "D15"]
[EventDate "1953.03.14"]
[PlyCount "39"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 Bb7 8. e6 f6 9. g3 Qd6 10. Bh3 Na6 11. O-O g6 12. Nh4 O-O-O 13. Qe2 f5 14. axb5 Nxc3 15. bxc3 cxb5 16. Bf4 Qb6 17. Qe5 Rg8 18. Rfb1 Bg7 19. Qxb5 Qxb5 20. Rxb5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Pilnik, Herman"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "C15"]
[EventDate "1953.03.14"]
[PlyCount "79"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Bd2 Qxd4 7. Nf3 Qd8 8. O-O Nf6 9. a3 Ba5 10. Qe2 Nc6 11. Rad1 Qe7 12. Bg5 Bxc3 13. bxc3 Bd7 14. c4 Rd8 15. c3 Bc8 16. Rfe1 h6 17. Bc1 b6 18. Nd2 Bb7 19. Nf1 Qc7 20. Ng3 Ne7 21. f4 O-O 22. Bc2 Rxd1 23. Rxd1 Rd8 24. Rf1 Bc8 25. h3 Nf5 26. Qf2 Nxg3 27. Qxg3 Ba6 28. Qh4 Bxc4 29. Rf3 Be2 30. Rg3 Nh5 31. Re3 Bd1 32. Bd3 Nxf4 33. Rg3 Rxd3 34. Bxf4 Qd8 35. Rxg7+ Kxg7 36. Qxh6+ Kg8 37. Be5 f6 38. Bxf6 Qxf6 39. Qxf6 Rd6 40. Qe7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Shocron, Ruben"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "B56"]
[EventDate "1953.03.14"]
[PlyCount "67"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+ Nbd7 7. Nf5 a6 8. Bxd7+ Qxd7 9. Bg5 Nxe4 10. Nxg7+ Bxg7 11. Nxe4 d5 12. Nf6+ Bxf6 13. Bxf6 Rg8 14. O-O e4 15. f3 Qc6 16. Qd4 Bh3 17. Rf2 exf3 18. Re1+ Be6 19. Qb4 Kd7 20. Qe7+ Kc8 21. Rxf3 Re8 22. Qb4 Kd7 23. Bh4 a5 24. Qd4 Qc4 25. Qf6 Ra6 26. Rb3 b5 27. Rc3 Qg4 28. h3 Qg6 29. Qe5 Rc6 30. Rd3 Rcc8 31. Bg3 Kc6 32. Qc3+ Kb6 33. Bf2+ d4 34. Qxd4+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Trifunovic, Petar"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "D54"]
[EventDate "1953.03.14"]
[PlyCount "144"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7 11. Be2 Be6 12. Bf3 c5 13. Ne2 Nd7 14. dxc5 Ne5 15. Nf4 bxc5 16. Nxd5 Qg5 17. Rxc5 Rfc8 18. Rxc8+ Rxc8 19. Be4 Nd3+ 20. Bxd3 Bxd5 21. Rg1 Bxa2 22. Qd2 Qh5 23. h3 g6 24. f3 Qh4+ 25. Ke2 Qg3 26. Qb4 Be6 27. h4 Rb8 28. Qd4 h5 29. b4 Qc7 30. Ra1 Rd8 31. Rxa7 Rxd4 32. Rxc7 Rxb4 33. e4 Rb2+ 34. Rc2 Rb3 35. Bc4 Bxc4+ 36. Rxc4 Kg7 37. Kf2 Rb2+ 38. Kg1 Ra2 39. Kh2 Rb2 40. Kg3 Re2 41. Rc1 Kf6 42. Rf1 Ra2 43. Rf2 Ra4 44. Rd2 Ke5 45. Rb2 Ra5 46. Rb7 Kf6 47. Kf4 Ra2 48. g3 Ra3 49. Rb6+ Kg7 50. Rd6 Rb3 51. Rd1 Kf6 52. Re1 Ra3 53. Re3 Ra1 54. Rb3 Rg1 55. Rb5 Re1 56. Rb6+ Kg7 57. Ra6 Re2 58. e5 Re1 59. Ra2 Kf8 60. Ra3 Kg7 61. Re3 Rg1 62. Re2 Kh6 63. Re4 Kg7 64. Ke3 Rg2 65. Rf4 Kg8 66. Rc4 Kf8 67. Kf4 Re2 68. g4 hxg4 69. fxg4 Rf2+ 70. Kg5 Re2 71. Kh6 Rxe5 72. Rc8+ Ke7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.22"]
[Round "7"]
[White "Wexler, Bernardo"]
[Black "Burgalat, Francisco"]
[Result "0-1"]
[ECO "E14"]
[EventDate "1953.03.14"]
[PlyCount "72"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. e3 O-O 6. Bd3 Nbd7 7. b3 b6 8. O-O Bb7 9. cxd5 exd5 10. Bb2 c5 11. Ne5 Re8 12. f4 Ne4 13. Bb5 Nxc3 14. Bxc3 Bc8 15. Bc6 Nxe5 16. dxe5 Ba6 17. Rf3 d4 18. exd4 cxd4 19. Bxd4 Be2 20. Qxe2 Qxd4+ 21. Kh1 Qxa1+ 22. Rf1 Qc3 23. Bxa8 Rxa8 24. f5 Rd8 25. f6 gxf6 26. e6 Qd3 27. exf7+ Kxf7 28. Qh5+ Qg6 29. Qe2 Rd5 30. Re1 Re5 31. Qc4+ Kg7 32. Rf1 Qe4 33. Qc3 Rg5 34. Qd2 Bd6 35. Rd1 Bf4 36. Qd7+ Kh6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Bolbochan, Jacobo"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1953.03.14"]
[PlyCount "80"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 O-O 11. Nbd2 Re8 12. Nf1 Nc6 13. Ne3 Bf8 14. a4 b4 15. h3 Rb8 16. Nh2 Be6 17. Nhg4 b3 18. Bb1 Nxg4 19. hxg4 g6 20. Nd5 Rb7 21. Bd2 Bg7 22. Ra3 Qd7 23. Rxb3 Reb8 24. Rxb7 Rxb7 25. Qc2 Bxd5 26. exd5 Ne7 27. g5 Nxd5 28. Ba2 Ne7 29. b4 cxb4 30. cxb4 Nc6 31. Rc1 Nxb4 32. Bxb4 Rxb4 33. Qc8+ Qxc8 34. Rxc8+ Bf8 35. Rc7 Rxa4 36. Bxf7+ Kh8 37. Bc4 Rb4 38. Rc8 Kg7 39. Rc7+ Kh8 40. Rc8 Kg7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Burgalat, Francisco"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1953.03.14"]
[PlyCount "54"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. Rb1 c6 10. Qc2 Qe7 11. b4 h6 12. Nd2 Nb6 13. c5 Nbd5 14. e4 Nc7 15. Nc4 Ne6 16. Ne2 Nd7 17. Ne3 b6 18. cxb6 Nxb6 19. b5 Nd4 20. Nxd4 exd4 21. Nc4 cxb5 22. Ba3 Qc7 23. Ne3 Qxc2 24. Nxc2 Rd8 25. e5 Bf5 26. Rbc1 Rac8 27. Na1 Bxe5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Carvalho jr, Flavio de"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "E72"]
[EventDate "1953.03.14"]
[PlyCount "136"]

1. d4 c5 2. d5 Nf6 3. g3 e5 4. Bg2 d6 5. c4 g6 6. Nc3 Bg7 7. e4 O-O 8. Nge2 Na6 9. O-O Nh5 10. Be3 Nc7 11. Qd2 Bd7 12. f3 b5 13. g4 Nf6 14. cxb5 Nxb5 15. Nxb5 Bxb5 16. Rf2 a5 17. Ng3 Ne8 18. Bh6 Bd7 19. Bf1 Nc7 20. Rg2 f6 21. Bxg7 Kxg7 22. h3 Bb5 23. Kh2 Ra7 24. Qe3 Rb7 25. Bxb5 Nxb5 26. Rf1 Nd4 27. f4 exf4 28. Qxf4 Qe7 29. Rgf2 Rf7 30. Kg2 a4 31. Ne2 Nxe2 32. Rxe2 Rb4 33. a3 Rd4 34. Rff2 Qe5 35. Qxe5 fxe5 36. Rxf7+ Kxf7 37. Kf2 Ke7 38. Ke3 Rd1 39. Rh2 Re1+ 40. Kd3 h6 41. Re2 Rh1 42. Re3 Rh2 43. Kc3 Kf6 44. b4 axb3 45. Kxb3 Kg5 46. Rf3 Re2 47. Kc4 Rxe4+ 48. Kb5 Rd4 49. Kc6 e4 50. Rf1 e3 51. Kxd6 c4 52. Ke5 Rd2 53. Re1 e2 54. Ke4 Kh4 55. Ke3 Rxd5 56. Kxe2 Ra5 57. Rc1 Rxa3 58. Rxc4 Rxh3 59. Kf2 g5 60. Ra4 Rb3 61. Rc4 Rb6 62. Kf3 Rf6+ 63. Ke3 Kg3 64. Re4 Rf1 65. Ke2 Rh1 66. Ra4 Rh4 67. Kf1 Rxg4 68. Ra6 Rf4+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Cuellar Gacharna, Miguel"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D75"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Bg7 6. Nf3 O-O 7. O-O c5 8. dxc5 Nc6 9. Nbd2 Ndb4 10. a3 Na6 11. Rb1 Nxc5 12. b4 Ne6 13. Bb2 Ncd4 14. e3 Nb5 15. Qb3 Bxb2 16. Rxb2 a5 17. a4 Nd6 18. Nc4 axb4 19. Qxb4 Nxc4 20. Qxc4 Qa5 21. Ra1 Bd7 22. Rxb7 Nc5 23. Rbb1 Rab8 24. Ne5 Rxb1+ 25. Rxb1 Bxa4 26. Ra1 Qb5 27. Rxa4 Qxa4 28. Qxc5 Qd1+ 29. Bf1 e6 30. Qc7 Qd8 31. Qc4 Qd1 32. e4 Qa1 33. Qc7 Qa8 34. Nd7 Qd8 35. Qd6 Re8 36. Bb5 Kg7 37. Qe5+ Kh6 38. Nf6 Qd1+ 39. Kg2 Rd8 40. h3 g5 41. Ng4+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Jauregui Andrade, Carlos"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[ECO "E19"]
[EventDate "1953.03.14"]
[PlyCount "108"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Rd1 c6 11. Bh3 d5 12. Ne5 Bd6 13. f3 Bg6 14. e4 c5 15. Nxg6 cxd4 16. Qc2 hxg6 17. cxd5 exd5 18. exd5 Nd7 19. Kh1 Bc5 20. b4 Bxb4 21. Rxd4 Rc8 22. Rc4 Rxc4 23. Qxc4 Qf6 24. Rb1 Qxf3+ 25. Bg2 Qd1+ 26. Qf1 Qxf1+ 27. Bxf1 Bc5 28. Bg5 Ne5 29. Bb5 f6 30. Bf4 g5 31. Bd2 Rd8 32. Ba4 Kf8 33. Bb3 Ke7 34. Kg2 Kd6 35. Re1 b5 36. h4 gxh4 37. gxh4 Nc4 38. Rd1 Re8 39. Bf4+ Kd7 40. Kf3 Ne5+ 41. Kg3 Ng6 42. h5 Nxf4 43. Kxf4 Re5 44. Rh1 Kd6 45. Rh2 a5 46. a4 bxa4 47. Bxa4 Kxd5 48. Bb3+ Kd4 49. Bd1 Kd3 50. Rg2 Be3+ 51. Kf3 Rf5+ 52. Kg3 Rg5+ 53. Kf3 Rxg2 54. Kxg2 Kd2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Maderna, Carlos"]
[Black "Eliskases, Erich"]
[Result "0-1"]
[ECO "E87"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 d6 6. Be3 e5 7. d5 Nh5 8. g4 Nf4 9. Nge2 f5 10. gxf5 gxf5 11. Ng3 fxe4 12. Ncxe4 Nd7 13. Qd2 Nf6 14. O-O-O Nxe4 15. Nxe4 Bf5 16. Rg1 Bxe4 17. fxe4 Qh4 18. c5 Rf6 19. Kb1 Qh5 20. cxd6 cxd6 21. Rc1 Rg6 22. Qb4 b6 23. Ba6 Rf8 24. Rxg6 hxg6 25. Qxd6 Qf3 26. Bd2 Qxe4+ 27. Ka1 Kh7 28. a3 Qxd5 29. Qb4 Rd8 30. Be3 Qf3 31. Bg1 Rd1 32. Qc4 e4 33. Ka2 Qg2 34. Rc2 Qxg1 35. Qxe4 Qd4 36. Qf3 Rd2 37. Rxd2 Qxd2 38. Qb3 Qxh2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Najdorf, Miguel"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "C04"]
[EventDate "1953.03.14"]
[PlyCount "127"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Bxc6 bxc6 8. c4 dxc4 9. O-O Be7 10. Nxc4 Nb6 11. Na5 Qd5 12. Bd2 Nc4 13. Nxc4 Qxc4 14. Bg5 Bxg5 15. Nxg5 h6 16. b3 Qd5 17. Nf3 c5 18. Rc1 cxd4 19. Qxd4 Bb7 20. Rxc7 O-O 21. Qxd5 Bxd5 22. Nd4 a5 23. a3 Rfb8 24. Rb1 Be4 25. Re1 Rc8 26. Rxc8+ Rxc8 27. f3 Bd5 28. Kf2 Rc3 29. Ke2 Rc7 30. Kd2 Rb7 31. Kc3 f6 32. exf6 gxf6 33. f4 Kf7 34. g3 h5 35. Re3 Rb8 36. Kb2 Rb7 37. Rc3 e5 38. fxe5 fxe5 39. Nc6 Bxc6 40. Rxc6 e4 41. Rc4 Re7 42. Kc2 e3 43. Kd1 e2+ 44. Ke1 Re3 45. Rh4 Kg6 46. g4 Kg5 47. Rxh5+ Kxg4 48. Rxa5 Rxb3 49. Kxe2 Rh3 50. Kf2 Rxh2+ 51. Ke3 Rc2 52. Kd3 Rc1 53. a4 Kf4 54. Rd5 Ra1 55. a5 Rc1 56. Kd4 Ra1 57. Kc4 Ke4 58. Rh5 Ra2 59. Kb5 Rg2 60. a6 Rg7 61. Rh6 Kd5 62. Kb6 Rg1 63. a7 Rg8 64. Rh7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Ojanen, Kaarle Sakari"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1953.03.14"]
[PlyCount "78"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 Ng4 10. h3 Nh6 11. Bg5 f6 12. Be3 Nf7 13. Qb3 Qe7 14. Rad1 Re8 15. c5 dxc5 16. d5 Kh8 17. dxc6 bxc6 18. Na4 Nd8 19. Qc3 Ne6 20. Rc1 Bf8 21. Nd2 f5 22. exf5 gxf5 23. Nb3 Bg7 24. Naxc5 e4 25. Qc2 Ne5 26. Nxe6 Qxe6 27. Nd4 Qg6 28. Kh1 Bb7 29. Ne2 Qf7 30. Nf4 Red8 31. Be2 Rd6 32. Red1 Rad8 33. Rxd6 Rxd6 34. Bxa7 Qxa2 35. Bc5 Rd7 36. Nh5 Bh6 37. Qc3 Qe6 38. Bc4 Qe8 39. Nf6 Qd8 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Rossetto, Hector Decio"]
[Black "Shocron, Ruben"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1953.03.14"]
[PlyCount "107"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. e3 b6 8. Bd3 Bb7 9. O-O Qc7 10. Bb2 d6 11. Nd2 Nbd7 12. f4 d5 13. Qc2 Rac8 14. Rae1 Rfe8 15. Qb1 Qc6 16. cxd5 exd5 17. Rf2 c4 18. Bc2 b5 19. Nf3 Qd6 20. Bc1 a6 21. Ne5 Ne4 22. Bxe4 dxe4 23. a4 Nb6 24. axb5 f6 25. Nc6 Bxc6 26. bxc6 Nd5 27. Qa1 Qxc6 28. Ra2 Qb7 29. Ba3 Qb3 30. Bc5 Qxc3 31. Qxc3 Nxc3 32. Rc2 Nd5 33. Rxc4 Rc6 34. Rcc1 Rb8 35. f5 Rb2 36. Rb1 Rxb1 37. Rxb1 h5 38. Rb8+ Kh7 39. Kf2 g6 40. Rd8 Nc3 41. Rd7+ Kg8 42. fxg6 f5 43. g7 Nd1+ 44. Kg3 Rg6+ 45. Kf4 Rg4+ 46. Ke5 Nxe3 47. d5 Nc4+ 48. Kxf5 e3 49. d6 Rxg2 50. Bd4 Kh7 51. Rd8 Rxg7 52. Bxg7 Kxg7 53. d7 Nb6 54. Rg8+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.23"]
[Round "8"]
[White "Steiner, Herman"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1953.03.14"]
[PlyCount "84"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. Qc2 c6 10. b3 Re8 11. Bb2 Nc5 12. Rad1 Qc7 13. b4 Bf5 14. Qc1 Ncd7 15. Nd2 a5 16. b5 Nc5 17. Nb3 Nfd7 18. Ba3 Bf8 19. h3 Nxb3 20. axb3 Nc5 21. e4 Bd7 22. Qb2 Be6 23. Kh2 Rad8 24. Qb1 Rxd1 25. Rxd1 Rd8 26. Rxd8 Qxd8 27. Bc1 Qd3 28. Qxd3 Nxd3 29. Be3 Bc5 30. bxc6 bxc6 31. Na4 Bxe3 32. fxe3 Kf8 33. Bf3 Ke7 34. Be2 Nf2 35. Bf3 Nxh3 36. Nc5 Ng5 37. Kg2 Bc8 38. Kf2 h5 39. Bg2 f6 40. Ke2 Kd6 41. Na4 Bg4+ 42. Kd2 Ne6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Bolbochan, Julio"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "A92"]
[EventDate "1953.03.14"]
[PlyCount "147"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d5 7. Qc2 c6 8. Nbd2 Qe8 9. Ne5 Nbd7 10. Nd3 Ng4 11. Nf3 Kh8 12. b4 a5 13. bxa5 Rxa5 14. c5 Rg8 15. Bf4 Qh5 16. h3 Nh6 17. Qd2 Ra4 18. Bg5 Bxg5 19. Qxg5 Qxg5 20. Nxg5 Rxd4 21. Nxe6 Rc4 22. Rac1 Ra4 23. Rc2 Nf7 24. e3 Nde5 25. Nxe5 Nxe5 26. Nd4 Re8 27. Rd1 Kg8 28. Bf1 Kf8 29. Rdc1 Ke7 30. Rb2 Ra3 31. Rcc2 Kd8 32. Rb3 Ra5 33. a3 Kc7 34. f4 Nf7 35. Kf2 Bd7 36. Rcc3 Rea8 37. Be2 Nh6 38. Ke1 Ng8 39. Kd2 Nf6 40. Bf3 g6 41. Kc1 Bc8 42. Kb2 h5 43. Rc2 Bd7 44. Rbc3 Rh8 45. Rg2 Raa8 46. h4 Rhe8 47. Rgc2 Re7 48. Kc1 Be8 49. Kb2 Nd7 50. Kc1 Ra4 51. Kd2 Bf7 52. Be2 Re8 53. Kc1 Nf6 54. Bf3 Rea8 55. Kb2 R8a5 56. Nb3 Ra6 57. Nd4 Ra8 58. Bg2 Rc4 59. Bf1 Rxc3 60. Rxc3 Ne4 61. Rc1 Nxg3 62. Bd3 Re8 63. Re1 Ne4 64. Bxe4 Rxe4 65. Kc3 b6 66. Kb4 Re8 67. a4 Rb8 68. Ra1 bxc5+ 69. Kxc5 Rb2 70. a5 Be8 71. a6 Rb8 72. Ne6+ Kc8 73. a7 Ra8 74. Kb6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Eliskases, Erich"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "C61"]
[EventDate "1953.03.14"]
[PlyCount "59"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. h3 Be6 9. d3 Nd7 10. c3 dxc3 11. Nxc3 Bxc4 12. dxc4 Be7 13. Bf4 Qc7 14. Rc1 O-O 15. c5 Ne5 16. cxd6 Qxd6 17. Qh5 Bf6 18. Rcd1 Qe7 19. Bg3 Rad8 20. Kh2 g6 21. Qe2 Rxd1 22. Rxd1 Rd8 23. f4 Nd7 24. e5 Bg7 25. Qd3 f5 26. Na4 Kf8 27. e6 Qxe6 28. Nc5 Nxc5 29. Qxd8+ Kf7 30. b4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Gligoric, Svetozar"]
[Black "Maderna, Carlos"]
[Result "1-0"]
[ECO "D66"]
[EventDate "1953.03.14"]
[PlyCount "91"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 O-O 7. Rc1 Re8 8. Bd3 c6 9. O-O dxc4 10. Bxc4 Nd5 11. Bxe7 Rxe7 12. e4 N5b6 13. Bb3 Nf8 14. Qe2 Bd7 15. Ne5 Be8 16. Qe3 Qd6 17. Nd3 Rd8 18. Ne2 Rc7 19. e5 Qe7 20. Ndf4 Rdc8 21. Nc3 Ng6 22. Ne4 Nxf4 23. Qxf4 Nd5 24. Qg3 Kh8 25. Nd6 Rd8 26. Bxd5 cxd5 27. Rxc7 Qxc7 28. Qa3 Kg8 29. Qxa7 Rb8 30. Qc5 Qxc5 31. dxc5 Bc6 32. b4 d4 33. Rd1 Ra8 34. Rxd4 Rxa2 35. f3 Kf8 36. Rf4 Rb2 37. Rxf7+ Kg8 38. Rc7 h5 39. b5 Bd5 40. h4 g5 41. hxg5 h4 42. Ne8 h3 43. Nf6+ Kf8 44. gxh3 Bxf3 45. h4 Rxb5 46. g6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Guimard, Carlos Enrique"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1953.03.14"]
[PlyCount "88"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 c6 6. O-O d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Bf4 Ne4 10. Rc1 Be6 11. Ne5 Nxc3 12. Rxc3 Rc8 13. Qd2 Nxe5 14. Rxc8 Qxc8 15. Bxe5 Qd7 16. Bxg7 Kxg7 17. Rc1 Rc8 18. Rxc8 Qxc8 19. Qc3 Qxc3 20. bxc3 Kf8 21. Kf1 Ke8 22. Ke1 b6 23. Kd2 Kd8 24. Kc2 Kc7 25. Kb3 Kd6 26. f3 f6 27. e3 Bd7 28. Bf1 g5 29. Ba6 h6 30. Kb4 Bc6 31. a4 Bd7 32. a5 e5 33. Bd3 exd4 34. axb6 axb6 35. exd4 Kc7 36. Bb5 Kd6 37. h4 Bc6 38. hxg5 hxg5 39. Bd3 Bd7 40. Kb3 Ke7 41. Kc2 Be6 42. Kd2 Kd6 43. Ke3 Ke7 44. f4 Kd6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Letelier Martner, Rene"]
[Black "Steiner, Herman"]
[Result "1-0"]
[ECO "C96"]
[EventDate "1953.03.14"]
[PlyCount "71"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d3 Ne8 12. a4 b4 13. cxb4 cxb4 14. d4 Qc7 15. Nbd2 Nc6 16. Nb3 a5 17. Be3 Nd8 18. Rc1 Ne6 19. Bd3 Qb8 20. Qd2 Bb7 21. d5 Nd8 22. Bb6 f5 23. Bxa5 fxe4 24. Bxe4 Rf4 25. Rc4 Nf7 26. Bxh7+ Kf8 27. Rxf4 exf4 28. Be4 Nf6 29. Nfd4 Ng5 30. Bg6 Bxd5 31. Qxf4 Nf7 32. Bxf7 Bxf7 33. Rxe7 Bxb3 34. Bc7 Qb7 35. Bxd6 Qd5 36. Ne6+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Medina Garcia, Antonio Angel"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "C14"]
[EventDate "1953.03.14"]
[PlyCount "71"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 O-O 8. Bd3 f5 9. Qh3 c5 10. dxc5 Nd7 11. f4 Nxc5 12. O-O-O Bd7 13. Nf3 Rc8 14. g4 Ne4 15. Ne2 Nf2 16. Qg2 Nxd1 17. Rxd1 fxg4 18. Qxg4 Qe8 19. Rg1 Rf7 20. Ned4 g5 21. h4 Kh8 22. hxg5 Bc5 23. Rh1 Bxd4 24. Nxd4 Qe7 25. Rh6 Rcf8 26. g6 Rxf4 27. Qh3 Rf1+ 28. Bxf1 Rxf1+ 29. Qxf1 Qg5+ 30. Kb1 Qxh6 31. Qf6+ Qg7 32. Qd8+ Qg8 33. Qxd7 Qxg6 34. Qd8+ Kg7 35. Qe7+ Kh6 36. Qxe6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Pilnik, Herman"]
[Black "Bolbochan, Jacobo"]
[Result "0-1"]
[ECO "C90"]
[EventDate "1953.03.14"]
[PlyCount "106"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d3 Nc6 12. Nbd2 Re8 13. Nf1 h6 14. Ne3 Bf8 15. Nh2 Be6 16. Nhg4 Nxg4 17. hxg4 Ne7 18. Nf5 d5 19. exd5 Bxf5 20. gxf5 Nxd5 21. Qf3 Qd6 22. a4 b4 23. Bb3 Rad8 24. Bc4 bxc3 25. bxc3 Nxc3 26. Bd2 Nd5 27. Ba5 Rd7 28. Rab1 Be7 29. Rb3 Bd8 30. Bd2 Bg5 31. Bxg5 hxg5 32. a5 Nb4 33. Qg4 Qf6 34. g3 Rd4 35. Re4 Red8 36. Qe2 Rxe4 37. dxe4 Qd6 38. Kg2 Kf8 39. Qh5 Qf6 40. Rc3 Ke7 41. Be2 Rc8 42. Rc1 Qh6 43. Qg4 Rh8 44. Kf3 Nc6 45. Rxc5 Nd4+ 46. Ke3 f6 47. Rc1 Rb8 48. Bxa6 Ra8 49. Bd3 Rxa5 50. f4 gxf4+ 51. gxf4 Kd6 52. Qg3 Ra2 53. Rc4 Rg2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Shocron, Ruben"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "C53"]
[EventDate "1953.03.14"]
[PlyCount "120"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. a4 Nf6 6. d3 d6 7. Na3 Ne7 8. Ba2 c6 9. Nc4 Bc7 10. O-O Ng6 11. Re1 O-O 12. Bd2 Bg4 13. Ne3 Be6 14. Nf5 Qd7 15. Ng3 d5 16. Ng5 h6 17. Nxe6 fxe6 18. f3 Bb6+ 19. Kh1 Rad8 20. exd5 exd5 21. Qc2 Bf2 22. Re2 Bxg3 23. hxg3 Nh5 24. Be1 Qd6 25. Kh2 Ne7 26. Bf2 Nf5 27. Rae1 e4 28. dxe4 Nhxg3 29. exf5 Nxe2+ 30. g3 Nf4 31. gxf4 Qxf4+ 32. Kg2 Rxf5 33. Qe4 Rg5+ 34. Kf1 Qh2 35. Qe6+ Kh8 36. Bb1 Rf8 37. Qe3 Qh5 38. f4 Rg4 39. Qd3 Kg8 40. Qh7+ Kf7 41. Re5 Qh3+ 42. Ke1 Rxf4 43. Qg6+ Kg8 44. Qh7+ Kf7 45. Bg6+ Kf6 46. Bd4 Qh4+ 47. Ke2 Qg4+ 48. Ke3 c5 49. Bxc5 Rc8 50. Bd4 Qf3+ 51. Kd2 Rxd4+ 52. cxd4 Qf2+ 53. Re2 Qf4+ 54. Kd3 Rc1 55. Bh5 Rd1+ 56. Kc3 Qxd4+ 57. Kc2 Rg1 58. Re8 Qc4+ 59. Kd2 Qc1+ 60. Ke2 Qe1+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Trifunovic, Petar"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "E94"]
[EventDate "1953.03.14"]
[PlyCount "87"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Bg5 h6 9. Be3 Ng4 10. Bc1 c6 11. d5 c5 12. Ne1 Ngf6 13. Nd3 Qe7 14. Be3 Kh7 15. Qd2 Nb6 16. b3 Ng4 17. Bxg4 Bxg4 18. Rae1 g5 19. f3 Bh5 20. g4 Bg6 21. Ne2 Rae8 22. Ng3 Qd8 23. Re2 Nd7 24. h3 Rh8 25. Rh2 Kg8 26. Kh1 Nf8 27. Rg1 Bh7 28. h4 f6 29. h5 Nd7 30. b4 b6 31. bxc5 dxc5 32. Rb1 Bf8 33. a4 Bd6 34. a5 Kf7 35. Qa2 Qc7 36. Rhb2 Rb8 37. Bd2 Ke7 38. Nf2 Rhc8 39. Nd1 Qb7 40. Nc3 Qa8 41. Nb5 Qb7 42. Be3 Ra8 43. Rb3 Bb8 44. a6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.25"]
[Round "9"]
[White "Wexler, Bernardo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "118"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. h3 c6 9. e4 Re8 10. Be3 Qe7 11. Re1 a6 12. Rc1 b5 13. cxb5 axb5 14. a3 Bb7 15. Qc2 exd4 16. Nxd4 Ne5 17. Rcd1 Nc4 18. Bc1 Rec8 19. f4 Qc7 20. Qf2 Re8 21. Nb3 Nd7 22. Rd3 Re7 23. Red1 Rae8 24. Qc2 Ba6 25. Kh2 Rb8 26. Rf3 Qb6 27. Na2 Rbe8 28. Rfd3 Bf8 29. Nc3 Qc7 30. Rf3 Bg7 31. Rff1 Nf6 32. Nd2 Ne3 33. Qd3 Nxd1 34. Rxd1 d5 35. e5 Nd7 36. Nb3 f6 37. Qc2 Qb6 38. e6 Rxe6 39. Nd4 Re1 40. Rxe1 Rxe1 41. Nce2 f5 42. Nf3 Rxc1 43. Nxc1 Nc5 44. b4 Ne4 45. Nb3 Qf2 46. Qxf2 Nxf2 47. Nc5 Bc8 48. Ne5 Bxe5 49. fxe5 Nd1 50. a4 bxa4 51. Nxa4 Ba6 52. Nc5 Bb5 53. Nb3 Ne3 54. Nd4 Ba4 55. Kg1 Nc4 56. b5 Bxb5 57. Nxb5 cxb5 58. Bxd5+ Kf8 59. e6 Ke7 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Bolbochan, Jacobo"]
[Black "Shocron, Ruben"]
[Result "1-0"]
[ECO "C08"]
[EventDate "1953.03.14"]
[PlyCount "71"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 c4 6. b3 cxb3 7. axb3 Bd6 8. Bb5+ Nc6 9. O-O Nge7 10. Re1 O-O 11. c3 a6 12. Bd3 Bf5 13. Nf1 Qc7 14. Ba3 Bxa3 15. Rxa3 Bxd3 16. Qxd3 Ng6 17. g3 Rac8 18. Ne3 Nce7 19. b4 Rfe8 20. Rb1 Qd6 21. Ra5 Nc6 22. Raa1 Na7 23. c4 dxc4 24. Nxc4 Qc6 25. Na5 Qd5 26. Re1 Nb5 27. Rxe8+ Rxe8 28. Rc1 h6 29. Rc5 Qd7 30. Rc1 Qg4 31. Kh1 Re7 32. Nb3 Nd6 33. Nbd2 Nf5 34. Rc5 Nxd4 35. Rc4 Re1+ 36. Nxe1 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Burgalat, Francisco"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. Rb1 c6 10. Qc2 Qe7 11. b4 Nb6 12. c5 Nbd5 13. Nd2 Be6 14. Nd1 a5 15. a3 axb4 16. axb4 Ne8 17. e4 Ndc7 18. Bb2 Na6 19. Bc1 Nec7 20. Nc3 Rfd8 21. Rb2 Rd4 22. Qb1 Rad8 23. Re1 f6 24. Bf1 Bf7 25. Na4 Bh6 26. f4 exf4 27. Nf3 Rd1 28. Rxd1 Rxd1 29. Nc3 Rd8 30. Bxf4 Bxf4 31. gxf4 Nxc5 32. bxc5 Qxc5+ 33. Rf2 Qxc3 34. Qxb7 Ne6 35. Qe7 Re8 36. Qd6 Qe3 37. e5 Nc5 38. exf6 Qxf2+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Cuellar Gacharna, Miguel"]
[Black "Trifunovic, Petar"]
[Result "1-0"]
[ECO "B14"]
[EventDate "1953.03.14"]
[PlyCount "71"]

1. d4 c5 2. e3 Nf6 3. Nf3 d5 4. c4 cxd4 5. exd4 e6 6. Nc3 Be7 7. Bd3 O-O 8. O-O Nc6 9. a3 b6 10. cxd5 exd5 11. h3 Bb7 12. Re1 Ne8 13. Bf4 Bf6 14. Rc1 g6 15. Bb5 a6 16. Bxc6 Bxc6 17. Ne5 Bb7 18. Na4 Bxe5 19. Bxe5 Nd6 20. Bxd6 Qxd6 21. Qb3 b5 22. Nc5 Bc6 23. Re5 Rfe8 24. f4 Kg7 25. Rce1 f6 26. Re6 Qxf4 27. Rxe8 Rxe8 28. Ne6+ Rxe6 29. Rxe6 Qxd4+ 30. Kh1 Ba8 31. Re8 Bc6 32. Rc8 Qb6 33. Qc3 Bd7 34. Qc7 Qe6 35. Rd8 Kh6 36. Rxd7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Guimard, Carlos Enrique"]
[Black "Wexler, Bernardo"]
[Result "1-0"]
[ECO "D38"]
[EventDate "1953.03.14"]
[PlyCount "63"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxd7 Qxd7 8. a3 Be7 9. e3 O-O 10. f4 dxc4 11. Bxc4 a6 12. Qc2 g6 13. Be2 Rab8 14. O-O Rfd8 15. Bf3 Na5 16. Rd1 b5 17. e4 c6 18. Kh1 Qa7 19. Be3 Nc4 20. Bf2 Qc7 21. Ne2 Rbc8 22. g4 c5 23. b3 Nb6 24. dxc5 Rxd1+ 25. Rxd1 Bxc5 26. Bxc5 Qxc5 27. Rd8+ Kg7 28. Rxc8 Qxc8 29. Qb2 e5 30. Qxe5 Nbd7 31. Qd4 Kg8 32. g5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Jauregui Andrade, Carlos"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "D30"]
[EventDate "1953.03.14"]
[PlyCount "72"]

1. d4 e6 2. g3 c5 3. Nf3 d5 4. c4 dxc4 5. Qa4+ Nc6 6. Bg2 cxd4 7. Nxd4 Qxd4 8. Bxc6+ Bd7 9. Be3 Bxc6 10. Qxc6+ bxc6 11. Bxd4 Bb4+ 12. Kf1 f6 13. Kg2 e5 14. Be3 Ne7 15. Rc1 Kd7 16. Rxc4 Rhb8 17. Nc3 Bxc3 18. bxc3 Rb2 19. Rd1+ Ke8 20. Bc5 Rxe2 21. Bxe7 Kxe7 22. Rxc6 Rb8 23. Rc7+ Ke6 24. Rxa7 Rbb2 25. Rf1 e4 26. Rxg7 e3 27. Rxh7 Rxf2+ 28. Rxf2 Rxf2+ 29. Kg1 Rxa2 30. Rh8 Kf7 31. Kf1 Rf2+ 32. Ke1 Rc2 33. c4 Rxc4 34. Ke2 Kg7 35. Rd8 Rc2+ 36. Kxe3 Rxh2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Maderna, Carlos"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1953.03.14"]
[PlyCount "122"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nc6 7. Be3 e5 8. Nf3 Ng4 9. Bg1 exf4 10. Nd5 Ne3 11. Nxe3 fxe3 12. Bxe3 Qe7 13. Bc4 Be6 14. Bxe6 Qxe6 15. Ng5 Qe5 16. O-O f6 17. Nh3 Qxe4 18. Re1 Ne5 19. Nf4 Kf7 20. c3 Qc4 21. Nd5 Re8 22. Rf1 Be7 23. Rf4 Qc8 24. Qb3 Qe6 25. Raf1 b5 26. Qd1 Ng6 27. Qh5 Bd8 28. Bd4 Qe2 29. Nxf6 Qxh5 30. Nxh5+ Nxf4 31. Rxf4+ Bf6 32. Nxg7 Re5 33. Nf5 Re6 34. Bxf6 Rxf6 35. Nxd6+ Ke6 36. Rd4 Rhf8 37. h3 Rf1+ 38. Kh2 R8f2 39. Ne4 Rxb2 40. Nc5+ Kf7 41. Rd7+ Kg8 42. Nxa6 Rff2 43. Kg3 Rxg2+ 44. Kf4 Rxa2 45. Nb4 Raf2+ 46. Ke5 Rg3 47. Nd5 Rxh3 48. Rb7 Rh5+ 49. Ke4 Rh4+ 50. Ke5 Rf7 51. Rxb5 Kg7 52. Rc5 h5 53. c4 Rg4 54. Rc8 h4 55. Nc7 h3 56. Ne8+ Kh7 57. Ke6 Rf8 58. Rc7+ Kh6 59. Nf6 Rxf6+ 60. Kxf6 h2 61. Rc8 Rg7 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Najdorf, Miguel"]
[Black "Bolbochan, Julio"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1953.03.14"]
[PlyCount "38"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nbd7 8. Bg5 h6 9. Be3 c6 10. d5 cxd5 11. cxd5 Ng4 12. Bc1 a5 13. Ne1 Ngf6 14. Nd3 b6 15. f4 exf4 16. Bxf4 Qe7 17. Bf3 Ba6 18. Re1 Bxd3 19. Qxd3 Ne5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Ojanen, Kaarle Sakari"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "E48"]
[EventDate "1953.03.14"]
[PlyCount "163"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Nbd7 9. f3 c5 10. Ng3 a6 11. a3 Ba5 12. Kh1 Bc7 13. Nce2 b6 14. Bd2 Bb7 15. Qe1 Nf8 16. Qf2 Ne6 17. Bc3 cxd4 18. Nxd4 Nxd4 19. Bxd4 Be5 20. Rac1 Bxd4 21. exd4 g6 22. Qd2 Qd6 23. Qg5 Kh8 24. Rfe1 Ng8 25. Qd2 Rac8 26. Kg1 Rxc1 27. Rxc1 h6 28. Ne2 Kg7 29. Qf4 Qxf4 30. Nxf4 Re7 31. Rc3 Nf6 32. Kf2 Rd7 33. Rb3 Rd6 34. a4 Kf8 35. a5 b5 36. Rc3 Ke7 37. Rc7+ Rd7 38. Rc1 Kd6 39. h4 Rc7 40. Re1 Re7 41. Rh1 h5 42. b4 Rc7 43. Ke3 Bc8 44. Kd2 Ne8 45. Re1 Ng7 46. Re5 Be6 47. g4 hxg4 48. fxg4 Bxg4 49. Rxd5+ Ke7 50. Re5+ Kf8 51. Nd5 Rc6 52. Nb6 Rd6 53. d5 Rd8 54. Kc3 Bf3 55. Kd4 f6 56. Re3 Bh5 57. Kc5 Ne8 58. Re6 Bg4 59. Rc6 Kg7 60. d6 Bf3 61. d7 Bxc6 62. Kxc6 f5 63. h5 gxh5 64. Bxf5 h4 65. dxe8=Q Rxe8 66. Nd5 Kh6 67. Nc7 Rf8 68. Bd7 Rf6+ 69. Kb7 Rd6 70. Bc8 Rd8 71. Bh3 Rd3 72. Bf5 Rf3 73. Bc8 Rf8 74. Nxb5 Rf4 75. Kxa6 Rxb4 76. Kb6 Rc4 77. Bb7 h3 78. a6 Ra4 79. a7 Rxa7 80. Nxa7 Kg5 81. Nb5 Kf4 82. Nd6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Rossetto, Hector Decio"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "E03"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qc2 Bb7 9. O-O c5 10. Nbd2 Rc8 11. Qd1 Be7 12. dxc5 Nxc5 13. Nb3 O-O 14. Nxc5 Bxc5 15. Bg5 Qe7 16. a3 Rfd8 17. Qe1 h6 18. Bd2 Be4 19. Ba5 Rd5 20. Rc1 Qb7 21. Nh4 Ba7 22. Rxc8+ Qxc8 23. Qb4 Qc2 24. Bxe4 Qxe4 25. Qxe4 Nxe4 26. Nf3 Rc5 27. Ne1 Rc1 28. Nd3 Rc2 29. e3 Nc5 30. Rc1 Rxc1+ 31. Nxc1 Kf8 32. Kf1 Ke7 33. Ke2 Kd6 34. Nd3 Nxd3 35. Kxd3 h5 36. f3 g6 37. h3 f5 38. Bb4+ Kd5 39. e4+ Kc6 40. Be7 Bf2 41. g4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.26"]
[Round "10"]
[White "Steiner, Herman"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D70"]
[EventDate "1953.03.14"]
[PlyCount "127"]

1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. h3 O-O 8. Be2 a5 9. O-O a4 10. Be3 c6 11. Qd2 Be6 12. Bh6 Bc4 13. Rac1 N8d7 14. Rfd1 Bxe2 15. Nxe2 Nf6 16. Ng3 Qd7 17. Qg5 Ne8 18. Bxg7 Nxg7 19. Qh6 f6 20. Qd2 Rfd8 21. Qb4 Ra6 22. Rd2 Qd6 23. Qc3 Qe6 24. a3 Ne8 25. Rdc2 Nd6 26. Qd3 Nf7 27. Rxc6 Qb3 28. Qxb3 axb3 29. R6c3 e5 30. dxe5 fxe5 31. Rxb3 Rd7 32. Rb5 Na4 33. b3 Nb2 34. a4 Nd3 35. Rc8+ Kg7 36. Rb8 Ra7 37. Nf1 Nc1 38. Ne3 Ne2+ 39. Kh2 Nd4 40. Nxe5 Nxe5 41. Rxe5 Nc6 42. Rbe8 Nxe5 43. Rxe5 Ra6 44. Rb5 Re6 45. f3 Kf8 46. h4 Ke8 47. Nd5 Kf7 48. Ne3 Ke8 49. Kg3 Kd8 50. Nd5 Ke8 51. a5 Kf7 52. Ne3 Ke8 53. Nc4 Kd8 54. e5 Kc7 55. Nd6 Kc6 56. b4 Rc7 57. f4 Ree7 58. Kf3 h5 59. Ke4 Kd7 60. Rxb7 Rxb7 61. Nxb7 Kc6 62. Nd6 Rc7 63. a6 Kb6 64. a7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Bolbochan, Julio"]
[Black "Guimard, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "A94"]
[EventDate "1953.03.14"]
[PlyCount "41"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. e3 Bd7 9. Ba3 Bxa3 10. Nxa3 Be8 11. cxd5 cxd5 12. Ne5 Nc6 13. Nc2 Rc8 14. Nd3 Rf7 15. f3 Rfc7 16. Rc1 Qd6 17. Qd2 b6 18. Rfd1 Ne7 19. Nce1 Rxc1 20. Rxc1 Rxc1 21. Qxc1 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Carvalho jr, Flavio de"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "C02"]
[EventDate "1953.03.14"]
[PlyCount "84"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. g3 Rc8 10. Bg2 Be7 11. Qc2 Bb5 12. Nf1 Qc6 13. Bf4 Ba4 14. Qe2 Qb5 15. Ne3 Bxa3 16. O-O Bf8 17. Ng5 h6 18. Nxe6 fxe6 19. Qh5+ Kd8 20. Ra1 Ne7 21. Bg5 Nb3 22. f4 Nxa1 23. Rxa1 Qe8 24. Qh3 Bc6 25. f5 hxg5 26. Qxh8 Nxf5 27. Nxf5 exf5 28. Qg8 Be7 29. Qe6 Qd7 30. Qf7 a6 31. Bh3 g4 32. Bg2 Kc7 33. e6 Qd6 34. Qxf5 Rf8 35. Qxg4 Rf6 36. Re1 b5 37. h4 b4 38. Re2 a5 39. Kh2 Rh6 40. Kg1 bxc3 41. bxc3 a4 42. Bh3 Be8 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Eliskases, Erich"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1953.03.14"]
[PlyCount "62"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. O-O O-O 10. Kh1 b5 11. a3 Bb7 12. Nh4 g6 13. Nf3 Nh5 14. fxe5 dxe5 15. Bh6 Re8 16. a4 b4 17. Bc4 bxc3 18. Ng5 Bxg5 19. Rxf7 Bxh6 20. Rxd7+ Kh8 21. Rxd8 Raxd8 22. Qb1 Bxe4 23. bxc3 Rd2 24. Bf1 Ba8 25. Qb6 Nf4 26. Qf6+ Bg7 27. Qxa6 Nxg2 28. Bxg2 Bxg2+ 29. Kg1 Ba8 30. Qf1 Rf8 31. Qh3 Bh6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Gligoric, Svetozar"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1953.03.14"]
[PlyCount "125"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5 11. d5 e5 12. Bd2 a5 13. Rad1 Nd7 14. b3 Nc5 15. a3 Bc8 16. Nxe5 dxe5 17. d6 e4 18. dxe7 Qxe7 19. b4 axb4 20. axb4 Ne6 21. Bc3 Bb7 22. f4 Bc6 23. Qb2 Rfd8 24. Be5 h5 25. h3 Qf7 26. Kh2 Kh7 27. Rd2 Rxd2 28. Qxd2 Rd8 29. Qe3 Qd7 30. g4 g6 31. Rg1 Qe7 32. Bf1 Qh4 33. gxf5 gxf5 34. Rg3 Rg8 35. Rxg8 Kxg8 36. Qg3+ Qxg3+ 37. Kxg3 Be8 38. e3 c5 39. b5 Kh7 40. Kh4 Kh6 41. Be2 Nf8 42. Bd6 Nd7 43. Be7 Bf7 44. Bd8 Bg8 45. Bg5+ Kh7 46. Kxh5 Bf7+ 47. Kh4 Bg8 48. Kg3 Bf7 49. h4 Kg7 50. h5 Bg8 51. Kh4 Kh7 52. Bf1 Bf7 53. Bh3 Be6 54. Be7 Kh6 55. Bd8 Bxc4 56. Bxf5 Bxb5 57. Bxe4 c4 58. Bc2 Bc6 59. Bg5+ Kg7 60. h6+ Kg8 61. h7+ Kh8 62. Be7 Kg7 63. Bb4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Letelier Martner, Rene"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1953.03.14"]
[PlyCount "37"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 O-O 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Re8 10. O-O Ne4 11. Bf4 Nef6 12. Nb5 Nf8 13. Nc7 Ne6 14. Nxa8 Nxf4 15. exf4 Be6 16. Ng5 g6 17. f5 Bd7 18. fxg6 hxg6 19. Bxg6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Medina Garcia, Antonio Angel"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "C98"]
[EventDate "1953.03.14"]
[PlyCount "164"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. axb5 axb5 16. b3 Ne8 17. Nf1 g6 18. g4 Ng7 19. Ng3 f6 20. Kh2 Nf7 21. Rg1 Bd7 22. Bb2 c4 23. b4 Ra8 24. Qe2 Qb7 25. Rad1 Kh8 26. Rg2 Rg8 27. Rdg1 Qa7 28. Bb1 Qa4 29. Qd2 Qb3 30. Qc1 Ne8 31. Bc2 Qa2 32. Bb1 Qa4 33. Bc2 Qa7 34. Qe1 Bf8 35. Bc1 Qa1 36. Ne2 Qa6 37. h4 Qc8 38. Kh1 Ra1 39. Qd2 Ra2 40. Qd1 g5 41. hxg5 fxg5 42. Nh2 Nf6 43. Bb1 Ra1 44. Bb2 Ra8 45. Bc1 Rg6 46. f3 Rh6 47. Ng3 Rh4 48. Qe1 h6 49. Be3 Be7 50. Rc2 h5 51. Nf5 Bxf5 52. gxf5 Nh7 53. Bf2 Rf4 54. Bg3 Bd8 55. Rgg2 Bb6 56. Ra2 Nf6 57. Rxa8 Qxa8 58. Ra2 Qb7 59. Bc2 Ne8 60. Qf1 Kg7 61. Qa1 Nc7 62. Bd1 Kf6 63. Nf1 Qb8 64. Rh2 h4 65. Bxf4 exf4 66. Ra2 Ne5 67. Nh2 Qb7 68. Be2 Be3 69. Qf1 Ne8 70. Qg2 Ng7 71. Ng4+ Nxg4 72. Qxg4 Bf2 73. Bxc4 Bg3 74. Bd3 Qb6 75. Qh3 Qe3 76. Qf1 Nh5 77. Kg2 g4 78. e5+ dxe5 79. fxg4 f3+ 80. Kh1 Nf4 81. Ra6+ Kg5 82. Qb1 Nxd3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Pilnik, Herman"]
[Black "Maderna, Carlos"]
[Result "1-0"]
[ECO "C90"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. a4 Rb8 13. Nf1 d5 14. exd5 Qxd5 15. axb5 axb5 16. c4 bxc4 17. Ne3 Qd8 18. Nxc4 Nd7 19. Ba4 Bb7 20. Bxc6 Bxc6 21. Nfxe5 Nxe5 22. Nxe5 Bd5 23. Ra7 Rb7 24. Rxb7 Bxb7 25. Bd2 Bf6 26. Bc3 Re8 27. Nc4 Rxe1+ 28. Qxe1 Bd4 29. Bxd4 cxd4 30. Qa5 Qd7 31. Qe5 h6 32. h3 Ba6 33. b3 f6 34. Qc5 Kh7 35. Nd6 Qe6 36. Qxd4 f5 37. b4 Qd7 38. Qd5 Kg6 39. Qe5 Bxd3 40. Qg3+ Kf6 41. Qxd3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Shocron, Ruben"]
[Black "Steiner, Herman"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1953.03.14"]
[PlyCount "71"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. g3 Bd6 5. Bg2 f5 6. O-O Nd7 7. b3 Qe7 8. a4 a5 9. Qc2 g6 10. Nc3 Ngf6 11. Rb1 Ne4 12. Ne1 h5 13. Nf3 Ndf6 14. h4 Nxc3 15. Qxc3 Ne4 16. Qc2 Qg7 17. Bf4 Be7 18. Qc1 Bf6 19. Ne5 g5 20. hxg5 Nxg5 21. cxd5 h4 22. dxc6 hxg3 23. fxg3 O-O 24. Nd7 Bxd7 25. cxd7 Bxd4+ 26. e3 Bf6 27. Bxb7 Rad8 28. Bc6 e5 29. Bxg5 Qxg5 30. Kg2 e4 31. Qc4+ Kg7 32. Qe6 Bc3 33. Rf4 Bb4 34. Rbf1 Rf6 35. Qe5 Kg6 36. Qe8+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Trifunovic, Petar"]
[Black "Bolbochan, Jacobo"]
[Result "1-0"]
[ECO "D67"]
[EventDate "1953.03.14"]
[PlyCount "144"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 O-O 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Nxf6+ Qxf6 13. O-O Rd8 14. Qc2 h6 15. Bb3 Nf8 16. Ne5 Nd7 17. f4 Qe7 18. Rf3 Rf8 19. a3 Nf6 20. Ba2 Bd7 21. Rh3 h5 22. Bb1 g6 23. Rg3 Be8 24. Rf3 Kh8 25. h3 Rg8 26. g4 Rg7 27. g5 Ng8 28. Rf2 Rd8 29. Qc5 Qxc5 30. Rxc5 Ne7 31. Be4 Rg8 32. Rfc2 Kg7 33. Kf2 Nc8 34. Rc1 Bd7 35. Bd3 Rge8 36. Ke2 Re7 37. b4 a6 38. a4 Nd6 39. R5c3 Be8 40. Nc4 Nxc4 41. Rxc4 Kf8 42. Rc5 Ra8 43. Be4 Rd7 44. Kd3 Ke7 45. Bf3 Rdd8 46. h4 Rd7 47. Re5 Kd6 48. e4 Rad8 49. Ke3 Re7 50. a5 Bd7 51. d5 Rc8 52. Kd4 cxd5 53. Rxc8 Bxc8 54. exd5 Rc7 55. dxe6 Bxe6 56. Rc5 Re7 57. b5 axb5 58. Rxb5 Bc8 59. Rb6+ Kc7 60. Bd5 Kd8 61. Rf6 Ke8 62. Kc5 Rd7 63. Rd6 Re7 64. Kb6 Re1 65. Rf6 Rb1+ 66. Kc7 Rc1+ 67. Kb8 Rc5 68. Bxf7+ Ke7 69. Bxg6 Bg4 70. Kxb7 Rxa5 71. Be4 Ra4 72. Bd5 Ra1 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.27"]
[Round "11"]
[White "Wexler, Bernardo"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "A97"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. Bg5 Nc6 9. Re1 Qh5 10. Bxf6 Bxf6 11. e4 e5 12. dxe5 dxe5 13. Nd5 fxe4 14. Rxe4 Bg4 15. h3 Bxh3 16. Nxf6+ Rxf6 17. Nxe5 Qxd1+ 18. Rxd1 Bxg2 19. Kxg2 Re8 20. f4 Rfe6 21. Rde1 Nxe5 22. fxe5 h5 23. Kf3 Kh7 24. b3 Kg6 25. R1e3 Kh6 26. Kg2 g5 27. Re2 Kg6 28. R4e3 b6 29. Kh2 R8e7 30. Kg2 Rd7 31. Rf2 g4 32. a4 a5 33. Rc2 Kg5 34. Rf2 Rde7 35. Rfe2 Kf5 36. Rf2+ Kg6 37. Rfe2 Kg5 38. Re1 Rf7 39. Rd1 Rfe7 40. Rde1 Rf7 41. Rd1 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Bolbochan, Jacobo"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1953.03.14"]
[PlyCount "77"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c5 7. d5 e5 8. dxe6 fxe6 9. Nc3 Nc6 10. Bf4 d5 11. cxd5 exd5 12. Rc1 Kh8 13. Bg5 Be6 14. Ne1 Qa5 15. Bd2 Rad8 16. Na4 Qb5 17. Nxc5 Bg4 18. Ned3 Nd4 19. f3 Bc8 20. e3 Nf5 21. Qa4 Qxa4 22. Nxa4 Bh6 23. f4 Ne4 24. Bb4 Rfe8 25. Rfe1 Bg7 26. Nf2 Nxf2 27. Kxf2 d4 28. e4 Ne3 29. e5 b6 30. b3 g5 31. Rc7 gxf4 32. gxf4 Rd7 33. Rec1 Rxc7 34. Rxc7 Nf5 35. Be4 a5 36. Ba3 b5 37. Bc6 Rd8 38. Bxb5 d3 39. Bxd3 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Burgalat, Francisco"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "D73"]
[EventDate "1953.03.14"]
[PlyCount "42"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. Qa4+ Nfd7 7. Qxc4 Nb6 8. Qc2 Nc6 9. e3 Bf5 10. Qe2 O-O 11. O-O e5 12. e4 Bg4 13. d5 Nd4 14. Qd3 c5 15. Na3 c4 16. Qe3 Rc8 17. Re1 Bxf3 18. Bxf3 Bh6 19. Qxh6 Nxf3+ 20. Kf1 Nxe1 21. Kxe1 f5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Cuellar Gacharna, Miguel"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "B71"]
[EventDate "1953.03.14"]
[PlyCount "131"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7 11. Qd2 Nf6 12. Be2 O-O 13. O-O-O Be6 14. Bf3 Qc8 15. h3 Qa6 16. b3 d5 17. Kb1 Rac8 18. g4 Rfd8 19. Bd4 c5 20. Bxf6 Bxf6 21. Nxd5 Bxd5 22. Bxd5 Rxd5 23. Qxd5 Qa3 24. c3 Bxc3 25. Rh2 Bd4 26. Qc4 Rb8 27. Rxd4 cxd4 28. Qxd4 Re8 29. Qd2 a5 30. Rg2 a4 31. Rg3 Rb8 32. Qc1 Qb4 33. Re3 Qd4 34. f5 axb3 35. axb3 Ra8 36. Rc3 Kg7 37. Qe3 Qd5 38. Rc5 Qd1+ 39. Rc1 Qd5 40. Qc3+ Kg8 41. f6 Re8 42. Qc4 Qf3 43. Qc3 Qe4+ 44. Kb2 h6 45. Rc2 Qf4 46. Rd2 Re6 47. Qd4 Rxf6 48. Qxf4 Rxf4 49. Kc3 Kg7 50. b4 f5 51. b5 fxg4 52. hxg4 Rxg4 53. b6 Rg3+ 54. Kc4 Rg1 55. Rb2 Rc1+ 56. Kd5 Rc8 57. b7 Rb8 58. Kc6 Kf6 59. Kc7 Rh8 60. b8=Q Rxb8 61. Rxb8 Ke5 62. Rb5+ Kf4 63. Kd6 g5 64. Rb4+ Kf3 65. Ke5 g4 66. Rb3+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Guimard, Carlos Enrique"]
[Black "Eliskases, Erich"]
[Result "0-1"]
[ECO "D37"]
[EventDate "1953.03.14"]
[PlyCount "48"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. dxc5 e6 5. c4 Bxc5 6. a3 O-O 7. Nc3 dxc4 8. Qc2 a6 9. Bxc4 Nbd7 10. O-O b5 11. Bd3 Bb7 12. e4 Qc7 13. Bg5 Nh5 14. Rae1 h6 15. Bh4 g5 16. Bg3 Nxg3 17. hxg3 Ne5 18. Nxb5 Nxf3+ 19. gxf3 Qxg3+ 20. Kh1 Qxf3+ 21. Kg1 axb5 22. Be2 Qg3+ 23. Kh1 Qh3+ 24. Kg1 Bd6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Jauregui Andrade, Carlos"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "E39"]
[EventDate "1953.03.14"]
[PlyCount "52"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. e3 b6 8. Be2 Bb7 9. Bf3 Nc6 10. Nge2 d5 11. b4 Be7 12. cxd5 Ne5 13. Nd4 Nxf3+ 14. Nxf3 Nxd5 15. Bb2 Rc8 16. Rc1 a5 17. bxa5 bxa5 18. Qd2 Nb6 19. Qe2 Nc4 20. Nb5 Nxb2 21. Qxb2 Rxc1+ 22. Qxc1 Qd3 23. Nfd4 Rc8 24. Qd1 Qc4 25. Qe2 Qd5 26. e4 Rc1+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Maderna, Carlos"]
[Black "Shocron, Ruben"]
[Result "1-0"]
[ECO "D03"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nbd2 Be7 7. Bd3 O-O 8. O-O h6 9. Bh4 c5 10. Rc1 b6 11. Qe2 Bb7 12. Rfd1 Ne4 13. Bxe7 Qxe7 14. cxd5 exd5 15. Ba6 Rab8 16. Bxb7 Rxb7 17. Qa6 Nd6 18. b3 Rc8 19. Qd3 Nf6 20. dxc5 bxc5 21. h3 a5 22. Rc2 Nde4 23. Qa6 Rcb8 24. Rdc1 Nxd2 25. Nxd2 Ra7 26. Qd3 Rc7 27. Qa6 Ra7 28. Qc6 Rc7 29. Qa4 Ra8 30. Qb5 Nd7 31. Nb1 Qe6 32. Nc3 Nb6 33. Ne2 c4 34. Nd4 Qd6 35. bxc4 Rc5 36. Nf5 Qc7 37. Qb2 d4 38. Nxd4 Nxc4 39. Rxc4 Rxc4 40. Rxc4 Qxc4 41. Nf5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E99"]
[EventDate "1953.03.14"]
[PlyCount "96"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. f3 f4 12. Bd2 Nf6 13. b4 g5 14. c5 h5 15. Nf2 Ng6 16. Rc1 Rf7 17. cxd6 cxd6 18. a4 Bf8 19. a5 Rg7 20. h3 Nh8 21. Nb5 g4 22. fxg4 hxg4 23. hxg4 a6 24. Na3 Bd7 25. Nc4 Rc8 26. Nb6 Rxc1 27. Bxc1 Be8 28. Ba3 Nf7 29. Qc2 Nh6 30. g5 Rxg5 31. Rc1 Rg3 32. Bb2 Nfg4 33. Nxg4 Nxg4 34. Bxg4 Rxg4 35. Qf2 Bg6 36. Rc4 Qe7 37. Bc3 Qh7 38. Qe2 Rh4 39. Kf2 f3 40. Qe3 Rf4 41. gxf3 Qh2+ 42. Ke1 Qh1+ 43. Ke2 Bh5 44. Kd2 Rxf3 45. Qg5+ Bg7 46. Kc2 Rf2+ 47. Bd2 Qd1+ 48. Kc3 Qa1+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Ojanen, Kaarle Sakari"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "E65"]
[EventDate "1953.03.14"]
[PlyCount "130"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. dxc5 dxc5 8. O-O Nc6 9. Be3 Qa5 10. Qb3 Ng4 11. Bd2 Nd4 12. Nxd4 cxd4 13. Qb5 Qd8 14. Nd5 e6 15. Ba5 Qd7 16. Qxd7 Bxd7 17. Ne7+ Kh8 18. Bxb7 Rab8 19. Bc6 Bxc6 20. Nxc6 Rxb2 21. h3 Nh6 22. Rab1 Rxa2 23. c5 Bf6 24. Rfc1 Rxe2 25. Nxa7 d3 26. c6 Kg8 27. c7 Bd4 28. Bb6 Bxb6 29. Rxb6 d2 30. Rf1 Nf5 31. Rb8 Ne7 32. Rd8 Kg7 33. Nc6 Nc8 34. Nd4 Re4 35. Nf3 Rc4 36. Rd1 Rxc7 37. R1xd2 Rxd8 38. Rxd8 Ne7 39. Rd2 h5 40. Kg2 Nd5 41. h4 f6 42. Rb2 Kf7 43. Rd2 Rc5 44. Ra2 e5 45. Nd2 Rc6 46. Nf3 Ke6 47. Rb2 Rc4 48. Rd2 e4 49. Nd4+ Ke5 50. Ne2 f5 51. Ra2 Rc5 52. Ra8 Rc2 53. Kf1 Rb2 54. Re8+ Kf6 55. Rf8+ Ke7 56. Ra8 Nb4 57. Rb8 Nd3 58. Rxb2 Nxb2 59. Nf4 Kf6 60. Nd5+ Kf7 61. Nf4 Nd3 62. Nxd3 exd3 63. Ke1 Ke6 64. Kd2 f4 65. Kxd3 Kf5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Steiner, Herman"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "D71"]
[EventDate "1953.03.14"]
[PlyCount "47"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. e3 O-O 8. Qxc4 c5 9. Nge2 Nc6 10. O-O cxd4 11. Nxd4 Nxd4 12. exd4 Nb6 13. Qe2 Be6 14. Rd1 Qd7 15. Bg5 h6 16. Be3 Nd5 17. Rac1 Rac8 18. Qd2 Kh7 19. b3 Rfd8 20. h4 h5 21. Ne4 b6 22. Ng5+ Kg8 23. Nxe6 Qxe6 24. Bg5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.28"]
[Round "12"]
[White "Wexler, Bernardo"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "D98"]
[EventDate "1953.03.14"]
[PlyCount "84"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Rd1 Nc6 10. Qb3 e5 11. dxe5 Ncxe5 12. Be2 Nxf3+ 13. gxf3 Be6 14. Bc4 Bxc4 15. Qxc4 Ne5 16. Qe2 Qh4 17. f4 Ng4 18. Bc5 Rfe8 19. Qf3 b6 20. Bd4 Rad8 21. Bxg7 Rxd1+ 22. Nxd1 Kxg7 23. Nc3 Nf6 24. Kd2 Nh5 25. Ne2 Qe7 26. Qc3+ Kg8 27. f3 Qd6+ 28. Ke3 c5 29. Rg1 Nf6 30. Qd3 Qe6 31. a3 Qh3 32. Rg3 Qxh2 33. Qd6 Nh5 34. Rg5 Ng7 35. Qd7 h5 36. f5 Qe5 37. Kf2 Qf6 38. Rg3 Kh7 39. b3 Rd8 40. fxg6+ fxg6 41. Qxa7 Rd2 42. Rg2 Rd3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Bolbochan, Julio"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1953.03.14"]
[PlyCount "96"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 Bf8 15. dxe5 dxe5 16. Nh2 Be6 17. Qf3 Rad8 18. Nf5 Nd7 19. Ng4 Kh8 20. h4 Nc6 21. h5 h6 22. Kh1 Ne7 23. Rg1 Qc6 24. Nge3 Bxf5 25. Nxf5 Nxf5 26. Qxf5 Qf6 27. Qxf6 Nxf6 28. g4 Nh7 29. a4 Re7 30. axb5 axb5 31. Be3 Red7 32. Rgd1 Rxd1+ 33. Bxd1 Ng5 34. Be2 Rb8 35. Ra7 Kg8 36. f4 exf4 37. Bxf4 Re8 38. e5 Ne6 39. Be3 Ng5 40. Bxg5 hxg5 41. Bxb5 Rxe5 42. Bc4 Re7 43. Rxe7 Bxe7 44. Kg2 Kf8 45. Kf3 g6 46. h6 f5 47. Be6 Bd6 48. Kf2 fxg4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Carvalho jr, Flavio de"]
[Black "Bolbochan, Jacobo"]
[Result "1/2-1/2"]
[ECO "A68"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 a6 10. a4 Nbd7 11. O-O Re8 12. Kh1 b6 13. Ra2 Bb7 14. b3 Nh5 15. Rc2 Ndf6 16. Re2 Ra7 17. Qe1 Bc8 18. Bc4 b5 19. axb5 axb5 20. Nxb5 Ra1 21. Nxd6 Qxd6 22. e5 Qd8 23. exf6 Rxe2 24. Qxe2 Bxf6 25. Be3 Bg4 26. Rxa1 Bxa1 27. Qf1 Bxf3 28. Qxf3 Qa5 29. Qf2 Nf6 30. g3 Ng4 31. Qe2 Nxe3 32. Qxe3 Kf8 33. Kg2 Bd4 34. Qe2 Qd8 35. Qe4 Bf6 36. f5 Kg7 37. fxg6 hxg6 38. h4 Qd6 39. Bb5 Be5 40. Qf3 Qd8 41. Bd3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Eliskases, Erich"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "D32"]
[EventDate "1953.03.14"]
[PlyCount "135"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. e3 c4 10. Be2 Nc6 11. O-O Bg4 12. Ne1 Bxe2 13. Qxe2 Ne4 14. Qc2 Qa5 15. Bb2 Rfe8 16. Nf3 Rad8 17. a4 Re6 18. Rfe1 Qc7 19. Nd2 Nxd2 20. Qxd2 Rde8 21. Qc2 Na5 22. Bc1 Nb3 23. Ra2 Rh6 24. h3 Ra6 25. f3 Qd7 26. e4 Rxa4 27. Bf4 Rxa2 28. Qxa2 a5 29. Qf2 Re6 30. exd5 Qxd5 31. Rxe6 fxe6 32. Qg3 Qd7 33. h4 a4 34. Bd6 Nc1 35. Kf1 Nd3 36. h5 h6 37. Kg1 b5 38. Ba3 Kh8 39. Qb8+ Kh7 40. Qa8 Qd5 41. Qxd5 exd5 42. Kf1 Nf4 43. g4 g6 44. hxg6+ Kxg6 45. Kf2 h5 46. Ke3 Nd3 47. gxh5+ Kxh5 48. Ke2 Kh4 49. Bd6 Kh3 50. Ba3 Kg2 51. Ke3 Ne1 52. f4 Kg3 53. f5 Ng2+ 54. Kd2 Nh4 55. f6 Nf3+ 56. Kc2 Ng5 57. Bc1 Nf7 58. Kb2 Kf3 59. Ka3 Ke4 60. Kb4 Kd3 61. Kxb5 Kxc3 62. Kxa4 Kxd4 63. Kb5 Ke5 64. Bb2+ Ke6 65. Kc6 Nd6 66. Bc3 Nf5 67. Kc5 Nd6 68. Kc6 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Gligoric, Svetozar"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "E16"]
[EventDate "1953.03.14"]
[PlyCount "163"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O d5 9. cxd5 exd5 10. Qb3 Nbd7 11. Rad1 Re8 12. Ne5 c6 13. e4 Nxe5 14. dxe5 Nxe4 15. Nxe4 dxe4 16. Bc3 Qc8 17. Bxe4 Bf8 18. Qc2 Qh3 19. Rd2 Rad8 20. Rfd1 Rxd2 21. Qxd2 g6 22. Qd7 Qxd7 23. Rxd7 Re7 24. Rd8 c5 25. Bxb7 Rxb7 26. f4 h5 27. h3 Kg7 28. g4 hxg4 29. hxg4 Be7 30. e6+ f6 31. Re8 g5 32. f5 b5 33. b3 b4 34. Be1 a5 35. Rc8 a4 36. Bf2 axb3 37. axb3 Rb5 38. Kg2 Ra5 39. Kf3 Ra3 40. Bxc5 Rxb3+ 41. Ke4 Rc3 42. Rc7 Rxc5 43. Rxe7+ Kf8 44. Rf7+ Ke8 45. Rxf6 b3 46. Rh6 b2 47. Rh8+ Ke7 48. Rb8 Rc2 49. Rb7+ Kd6 50. e7 Re2+ 51. Kd4 Rxe7 52. Rb6+ Kc7 53. Rxb2 Re1 54. Kd5 Kd8 55. Rb8+ Ke7 56. Rg8 Ra1 57. Rxg5 Ra4 58. Rg7+ Kf6 59. Rg6+ Kf7 60. Ke5 Rb4 61. Rf6+ Kg7 62. g5 Rb5+ 63. Kf4 Rb4+ 64. Kg3 Rb3+ 65. Kg4 Rb4+ 66. Kh5 Rb1 67. Rd6 Rh1+ 68. Kg4 Rg1+ 69. Kf4 Rf1+ 70. Ke5 Re1+ 71. Kd5 Rd1+ 72. Kc6 Rc1+ 73. Kd7 Rf1 74. f6+ Kf7 75. g6+ Kxg6 76. Ke7 Kh7 77. Rd8 Re1+ 78. Kf8 Ra1 79. f7 Rb1 80. Ke8 Re1+ 81. Kd7 Rd1+ 82. Kc7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Letelier Martner, Rene"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E86"]
[EventDate "1953.03.14"]
[PlyCount "68"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 exd4 8. Nxd4 c6 9. Qd2 Re8 10. O-O-O d5 11. Nc2 Qa5 12. b4 Qd8 13. cxd5 cxd5 14. Bg5 Qb6 15. exd5 Bf5 16. Bd3 Bxd3 17. Qxd3 Nbd7 18. Be3 Qd8 19. Rhe1 a5 20. Qb5 Qc7 21. Bd4 axb4 22. Qxb4 Qxh2 23. Rxe8+ Rxe8 24. Qxb7 Bh6+ 25. Kb2 Rb8 26. Qxb8+ Qxb8+ 27. Ka1 Qg3 28. a4 Qxg2 29. Nb4 Qxf3 30. a5 Be3 31. Kb2 Nc5 32. Bxe3 Qxe3 33. Nc2 Qe5 34. Rd4 Qc7 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Medina Garcia, Antonio Angel"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
[ECO "C70"]
[EventDate "1953.03.14"]
[PlyCount "135"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4 5. O-O Nge7 6. c3 Ba5 7. d4 exd4 8. e5 O-O 9. Bg5 dxc3 10. Nxc3 Bxc3 11. bxc3 d5 12. Bxc6 bxc6 13. Nd4 f6 14. exf6 gxf6 15. Bh6 Rf7 16. Re1 Kh8 17. Qf3 Bd7 18. Re3 Rb8 19. Rae1 Ng8 20. Bf4 Rg7 21. h3 Qc8 22. Qh5 a5 23. Nb3 Rb5 24. Qh4 a4 25. Nd4 Rb2 26. a3 c5 27. Ne6 Bxe6 28. Rxe6 Rb1 29. Kh2 Rxe1 30. Rxe1 d4 31. Bg3 Qd8 32. Qh5 Rg5 33. Qe8 Qxe8 34. Rxe8 c6 35. cxd4 cxd4 36. Rd8 Rd5 37. Rxd5 cxd5 38. Kg1 Kg7 39. Kf1 Ne7 40. Ke2 Nc6 41. Bd6 Na7 42. g4 Nb5 43. Bc5 Kg6 44. f4 f5 45. Kd3 fxg4 46. hxg4 h5 47. f5+ Kf6 48. gxh5 Kxf5 49. Be7 Ke6 50. Bc5 Kf6 51. Bxd4+ Kg5 52. Bc5 Kxh5 53. Be7 Kg4 54. Bf8 Kf5 55. Bc5 Ke6 56. Bf8 Kd7 57. Bc5 Nd6 58. Bf2 Kc6 59. Bh4 Nc4 60. Kc3 Kb5 61. Kd4 Nxa3 62. Be7 Nc2+ 63. Kxd5 Nb4+ 64. Ke4 Kc4 65. Kf3 a3 66. Ke2 Kc3 67. Kd1 Nd3 68. Bxa3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Pilnik, Herman"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "B02"]
[EventDate "1953.03.14"]
[PlyCount "51"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 Bf5 6. Ne2 g6 7. Ng3 Bc8 8. h4 h5 9. Rb1 c5 10. dxc5 e6 11. Bg5 Qa5 12. Bb5+ Bd7 13. Bxd7+ Nxd7 14. O-O Qxc3 15. Rxb7 Bxc5 16. Ne4 Qxe5 17. Nxc5 Nxc5 18. Re7+ Kf8 19. Qf3 Rh7 20. Bf4 Qd4 21. Bd6 Kg8 22. c3 Qxh4 23. Bxc5 Qc4 24. Bd4 Qxa2 25. Qf6 Qc2 26. Rxf7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Rossetto, Hector Decio"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1953.03.14"]
[PlyCount "177"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O c6 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 e6 10. Nxc6 bxc6 11. Na4 Nd7 12. Be3 Ba6 13. Qd2 Nb6 14. Nc5 Nc4 15. Qc3 Nxe3 16. Qxe3 Bc8 17. Rac1 Rb8 18. Rc2 Re8 19. Nd3 Qd6 20. Rfc1 Rb6 21. Ne5 Bb7 22. Qf4 Rf8 23. e3 Qe7 24. b3 Rc8 25. h4 f6 26. Nd3 Rd8 27. Nc5 e5 28. Qf3 f5 29. Qd1 exd4 30. exd4 Qf6 31. Nxb7 Rxb7 32. Rxc6 Qxd4 33. Qxd4 Bxd4 34. Rd1 Bb6 35. Rxd5 Rbd7 36. Rxd7 Rxd7 37. Rc2 f4 38. Kh2 fxg3+ 39. fxg3 Kg7 40. Bf3 Be3 41. Kh3 Bb6 42. Re2 Bc5 43. Rc2 Bb4 44. h5 a5 45. hxg6 Kxg6 46. Be4+ Kg7 47. Kg4 Rf7 48. Rh2 Kh8 49. Rh5 Be1 50. Rh3 Bb4 51. Bf5 Bd6 52. Kg5 Be5 53. g4 Rg7+ 54. Kh4 Bf6+ 55. Kg3 Bg5 56. Kf3 Re7 57. Rh1 Re3+ 58. Kf2 h6 59. Rd1 Re5 60. Rd7 Kg8 61. Bg6 Be7 62. Bd3 Bg5 63. Be2 Kf8 64. Rb7 Bd2 65. a3 Bc1 66. a4 Bd2 67. Rb5 Re7 68. Rd5 Bb4 69. Kf3 Rf7+ 70. Ke4 Re7+ 71. Kd3 Rg7 72. Bf3 Rc7 73. Ke4 Re7+ 74. Kd4 Rf7 75. Be2 Rf2 76. Ke3 Rf6 77. Rb5 Re6+ 78. Kd3 Be1 79. Bf3 Rf6 80. Bd5 Rf4 81. Ke2 Bb4 82. Bf3 Rf6 83. Bb7 Bc3 84. Kd3 Be1 85. Bc8 Rf4 86. Ke2 Bc3 87. Ke3 Rf6 88. Ke4 Bd2 89. Bf5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Shocron, Ruben"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1953.03.14"]
[PlyCount "49"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Nbd7 10. Bd3 Nh5 11. Bxe7 Qxe7 12. O-O-O Qf6 13. Kb1 b5 14. Rc1 Nb6 15. Ne5 g6 16. g4 Ng7 17. h4 Nc4 18. g5 hxg5 19. hxg5 Qd6 20. Rh6 Nxe5 21. dxe5 Qxe5 22. Rch1 Nh5 23. Bxg6 fxg6 24. Qxg6+ Qg7 25. Qxh5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.30"]
[Round "13"]
[White "Trifunovic, Petar"]
[Black "Maderna, Carlos"]
[Result "1-0"]
[ECO "D66"]
[EventDate "1953.03.14"]
[PlyCount "91"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 Nbd7 7. Nf3 Re8 8. Bd3 c6 9. O-O dxc4 10. Bxc4 Nd5 11. Bxe7 Rxe7 12. Ne4 Nf8 13. Qe2 Bd7 14. Rfd1 Be8 15. Nc5 Rc8 16. Bb3 Rec7 17. Ne5 Qh4 18. g3 Qe7 19. Ned3 Kh8 20. Qf3 f6 21. e4 Nb6 22. e5 f5 23. Nf4 Bf7 24. h4 Rd8 25. a4 Nbd7 26. Qe3 Nb8 27. a5 b6 28. axb6 axb6 29. Na4 Rb7 30. Nc3 h6 31. Kg2 Qb4 32. Nce2 Rbd7 33. Rc4 Qe7 34. Ra1 Nh7 35. Rh1 Rg8 36. Ra4 g5 37. hxg5 hxg5 38. Nh5 Bxh5 39. Rxh5 Kg7 40. Ra1 Kf8 41. Rh6 Rd5 42. Bxd5 exd5 43. Qa3 c5 44. Rah1 Rg7 45. Qa8 Qb7 46. Qxb7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Bolbochan, Jacobo"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1953.03.14"]
[PlyCount "39"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 a6 8. O-O c5 9. Qe2 Nbd7 10. Rd1 b5 11. Bd3 c4 12. Bc2 Nd5 13. Bd2 Nxc3 14. bxc3 Bd6 15. a4 Bb7 16. e4 Qc7 17. e5 Be7 18. Ne1 Rfd8 19. Qg4 Bd5 20. Nf3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Bolbochan, Julio"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "D67"]
[EventDate "1953.03.14"]
[PlyCount "96"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Ng3 e5 13. O-O exd4 14. Qxd4 Nb6 15. Bb3 Be6 16. e4 Rad8 17. Qe3 Rfe8 18. h3 Qb4 19. Rfe1 Bxb3 20. axb3 Nbd5 21. Qg5 h6 22. Qh4 Ne7 23. e5 Qxh4 24. Nxh4 Nfd5 25. Re4 a5 26. f4 Nb4 27. f5 Nd3 28. Rc2 Nd5 29. Rce2 N5f4 30. R2e3 g5 31. Nf3 Rd5 32. Ne2 Nxe2+ 33. Rxe2 Nc5 34. R4e3 Kf8 35. Kh2 Red8 36. Kg3 Rd3 37. h4 Nxb3 38. hxg5 hxg5 39. Kg4 Rxe3 40. Rxe3 Nd2 41. Nxg5 Rd4+ 42. Kh5 Nc4 43. Re1 Nxb2 44. e6 Nd3 45. Nh7+ Ke8 46. Nf6+ Ke7 47. Ng8+ Ke8 48. Nf6+ Ke7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Burgalat, Francisco"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "B76"]
[EventDate "1953.03.14"]
[PlyCount "68"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 O-O 8. Qd2 Nc6 9. O-O-O Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. h4 Qa5 14. Nd5 Qxd2 15. Nxf6+ Bxf6 16. Rxd2 Bxd4 17. Rxd4 Kg7 18. g5 h6 19. Bh3 Bxh3 20. Rxh3 hxg5 21. hxg5 Rh8 22. Rxh8 Rxh8 23. a4 Rh5 24. Rc4 Rxg5 25. Rc7 Rg3 26. Rxb7 Rxf3 27. Rxa7 g5 28. Ra5 Kf6 29. Ra8 Kg7 30. Ka2 g4 31. Ra5 f5 32. Rd5 g3 33. Rd1 f4 34. a5 g2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Guimard, Carlos Enrique"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D57"]
[EventDate "1953.03.14"]
[PlyCount "66"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nc3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 dxc4 13. Bxc4 Nc6 14. Qb2 Bg4 15. O-O Bxf3 16. gxf3 Na5 17. Be2 c5 18. dxc5 Rac8 19. Rac1 Rxc5 20. Rxc5 Qxc5 21. Rc1 Qd6 22. Qb1 b6 23. Qe4 Qd7 24. Rd1 Qc7 25. Rxd8+ Qxd8 26. Bd3 g6 27. f4 Qd7 28. Kf1 Nb7 29. Bc2 Nc5 30. Qc4 Qh3+ 31. Ke2 Qh5+ 32. Kf1 Qh3+ 33. Ke2 Qh5+ 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Jauregui Andrade, Carlos"]
[Black "Shocron, Ruben"]
[Result "0-1"]
[ECO "E39"]
[EventDate "1953.03.14"]
[PlyCount "82"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. e3 b6 8. Nf3 Bb7 9. Be2 Nc6 10. O-O Rc8 11. Rd1 Qc7 12. b4 Be7 13. Bb2 a5 14. Nb5 Qb8 15. bxa5 bxa5 16. Rac1 d6 17. Ng5 Ne5 18. f4 Ned7 19. Bc3 h6 20. Nf3 Be4 21. Qb2 a4 22. Bb4 Nc5 23. Rc3 Rfd8 24. Ne1 Qb7 25. Bf1 Bg6 26. Nf3 Nfe4 27. Rc2 Bf6 28. Nfd4 e5 29. g4 exd4 30. exd4 Nb3 31. f5 Bh7 32. Bg2 d5 33. Kh1 Qb8 34. cxd5 Qxb5 35. Bxe4 Rxc2 36. Qxc2 Nxd4 37. Qc7 Qe2 38. Re1 Qxg4 39. Bc3 Bxf5 40. Bg2 Nb5 41. Qc6 Nxc3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Maderna, Carlos"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "C50"]
[EventDate "1953.03.14"]
[PlyCount "108"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 Na5 7. Bb3 Nxb3 8. axb3 h6 9. Be3 Bxe3 10. fxe3 O-O 11. O-O c6 12. Qe1 Nh5 13. Nh4 g6 14. d4 Qe7 15. h3 Bd7 16. Qf2 a6 17. Kh2 Kh7 18. g4 Ng7 19. Qg3 Rad8 20. Nf3 f6 21. Rad1 g5 22. Kg2 h5 23. Rd2 hxg4 24. hxg4 Kg6 25. Rfd1 Bc8 26. Na4 Qc7 27. c4 b5 28. Nc3 b4 29. Ne2 c5 30. d5 Qd7 31. Nh2 Rh8 32. Ng1 Rh6 33. Rf2 Rdh8 34. Ngf3 Ne8 35. Rg1 Qh7 36. Kf1 Kg7 37. Ke1 Rh3 38. Qg2 Qxe4 39. Kd2 Bd7 40. Ra1 Nc7 41. Qg1 Be8 42. Qf1 Bg6 43. Rc1 Rg3 44. Qe2 Rhh3 45. Qf1 Rxh2 46. Nxh2 Qxe3+ 47. Kd1 Qxb3+ 48. Ke1 Qe3+ 49. Kd1 Qb3+ 50. Ke1 Bd3 51. Qh1 Re3+ 52. Kd2 Bxc4 53. Rc2 Nxd5 54. Nf1 Qd3+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Najdorf, Miguel"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "E65"]
[EventDate "1953.03.14"]
[PlyCount "60"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. d5 Na6 8. O-O Nc7 9. h3 Bd7 10. a4 b6 11. e4 a6 12. e5 Nfe8 13. Re1 dxe5 14. Nxe5 Nd6 15. Bf4 Rb8 16. Qe2 Re8 17. g4 b5 18. axb5 axb5 19. Ne4 Nxe4 20. Bxe4 bxc4 21. Qxc4 Bb5 22. Qxc5 Qd6 23. Nd3 Qxc5 24. Nxc5 Rbc8 25. Nb7 Bd7 26. Rac1 Na6 27. Rxc8 Rxc8 28. b3 Nb4 29. Rc1 f5 30. gxf5 gxf5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Ojanen, Kaarle Sakari"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1953.03.14"]
[PlyCount "131"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. b3 a5 7. a3 a4 8. b4 Nbd7 9. Nbd2 Nb6 10. c4 dxc4 11. Qc2 Rb8 12. Nxc4 Nxc4 13. Qxc4 Nd5 14. Bb2 Bd7 15. Ne5 Be8 16. Rac1 c6 17. e4 Nc7 18. Rfd1 f6 19. Nd3 Bf7 20. Qc2 Ra8 21. Nc5 Bxc5 22. Qxc5 Re8 23. Qb6 Qb8 24. Bf1 Re7 25. Rd2 Qa7 26. Qc5 Qxc5 27. dxc5 e5 28. Be2 Bb3 29. Bd1 Bxd1 30. Rcxd1 Rae8 31. Kf1 Kf7 32. Ke2 Ne6 33. Ke3 g5 34. f3 h5 35. Rd6 h4 36. g4 Rc8 37. Kd3 Rec7 38. Kc4 Ke7 39. Bc1 Nd4 40. f4 gxf4 41. Bxf4 Nb5 42. Bc1 Kf7 43. R6d3 Kg6 44. h3 Nd4 45. Be3 Ne2 46. Re1 Ng3 47. Bf2 Rh7 48. Ree3 Rcc7 49. Bxg3 hxg3 50. Rxg3 Rcd7 51. b5 Rxd3 52. Rxd3 Kg5 53. b6 Kf4 54. Rd6 Kxe4 55. Rxf6 Ke3 56. g5 Rh4+ 57. Kc3 Rxh3 58. g6 Ke4+ 59. Kc4 Rh1 60. g7 Rc1+ 61. Kb4 Rb1+ 62. Ka5 Rg1 63. Rf7 Kd4 64. Rxb7 e4 65. Re7 Kxc5 66. b7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Steiner, Herman"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "E31"]
[EventDate "1953.03.14"]
[PlyCount "89"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 e5 8. f3 Bxc3+ 9. bxc3 Qa5 10. Qc2 Nbd7 11. e4 Nf8 12. Bf2 Bd7 13. Bd3 Ng6 14. g3 a6 15. Ne2 b5 16. O-O O-O 17. Rfb1 Rfb8 18. Be1 Ne8 19. Qd1 Nc7 20. Bd2 bxc4 21. Bxc4 Bb5 22. Qb3 Bxc4 23. Qxc4 Ne8 24. Nc1 Nf8 25. a4 Nd7 26. Qa2 Rxb1 27. Rxb1 Rb8 28. c4 Qc7 29. Nb3 Kf8 30. Kf2 Qb7 31. Ke2 Qc8 32. Na5 Rxb1 33. Qxb1 Nb8 34. Kf2 Nf6 35. Qb6 Ne8 36. Nc6 Nd7 37. Qa7 Nc7 38. Ba5 Na8 39. Bd8 g5 40. a5 Kg7 41. g4 Nf8 42. Qe7 Nd7 43. Bb6 Ndxb6 44. axb6 Nxb6 45. Nd8 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.03.31"]
[Round "14"]
[White "Wexler, Bernardo"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E65"]
[EventDate "1953.03.14"]
[PlyCount "100"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. O-O Nc6 8. dxc5 dxc5 9. Be3 Qa5 10. Bd2 Qd8 11. Be3 Qa5 12. Bd2 Qd8 13. Be3 Be6 14. Bxc5 Qa5 15. Be3 Bxc4 16. Nd4 Qh5 17. Nxc6 bxc6 18. f3 Nd5 19. Nxd5 cxd5 20. Qd2 Qe5 21. b3 Bxe2 22. Qxe2 d4 23. f4 Qxe3+ 24. Qxe3 dxe3 25. Bxa8 Bxa1 26. Rxa1 Rxa8 27. Re1 Rc8 28. Rxe3 Rc2 29. Rxe7 Rxa2 30. h3 Kg7 31. Kf1 Kf6 32. Rb7 h5 33. Rc7 Ke6 34. Kg1 a5 35. Ra7 f6 36. g4 Kd5 37. f5 hxg4 38. fxg6 gxh3 39. g7 Rg2+ 40. Kh1 Ke4 41. Rxa5 Rxg7 42. Kh2 f5 43. b4 f4 44. Kxh3 f3 45. Ra2 Kf4 46. Kh2 Rh7+ 47. Kg1 Kg3 48. b5 Rd7 49. Ra1 Rd2 50. Rb1 Rg2+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Carvalho jr, Flavio de"]
[Black "Maderna, Carlos"]
[Result "0-1"]
[ECO "C73"]
[EventDate "1953.03.14"]
[PlyCount "114"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 g6 8. Qd3 Be6 9. Be3 Nh6 10. h4 Ng4 11. Bd2 h5 12. Nh2 Bh6 13. Nxg4 Bxd2+ 14. Qxd2 Bxg4 15. f3 Be6 16. O-O-O Qe7 17. d5 cxd5 18. Nxd5 Qf7 19. c4 Rd8 20. Qa5 O-O 21. b3 Rc8 22. Kb2 f5 23. Nc3 Rb8 24. Ka1 Rb6 25. Rd2 Kg7 26. Rhd1 Qe7 27. Nd5 Bxd5 28. Rxd5 fxe4 29. fxe4 Qxh4 30. c5 Rc6 31. cxd6 cxd6 32. Rxd6 Rxd6 33. Qc7+ Rf7 34. Qxd6 Qxe4 35. Rd2 h4 36. Kb2 a5 37. Qc5 a4 38. b4 Qe1 39. Kc2 Qa1 40. Qc4 a3 41. Kb3 Qb1+ 42. Ka4 Ra7+ 43. Kb5 Qf5 44. Kb6 Re7 45. b5 e4 46. Qd4+ Qf6+ 47. Qxf6+ Kxf6 48. Kc6 e3 49. Re2 Kf5 50. Kd5 Kf4 51. b6 Re8 52. b7 Rb8 53. Kc6 Ke4 54. Rc2 Kd3 55. Rc5 e2 56. Re5 Kd2 57. Rd5+ Ke3 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Cuellar Gacharna, Miguel"]
[Black "Bolbochan, Jacobo"]
[Result "1-0"]
[ECO "D19"]
[EventDate "1953.03.14"]
[PlyCount "67"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Bg4 10. Rd1 Nbd7 11. e4 a5 12. h3 Bh5 13. Bg5 Be7 14. g4 Bg6 15. Ne5 Nxe5 16. dxe5 Nd7 17. Be3 Bb4 18. f4 Bxc3 19. bxc3 Bxe4 20. Bc5 Bd5 21. Bxf8 Kxf8 22. Ba2 Qh4 23. Qe3 Nb6 24. Rd3 Bxa2 25. Qxb6 Bd5 26. Rad1 Re8 27. f5 Be4 28. Qd8 Qxd8 29. Rxd8 c5 30. Kf2 Bc6 31. Rxe8+ Kxe8 32. Ke3 h6 33. Rd2 Ke7 34. h4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Eliskases, Erich"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1953.03.14"]
[PlyCount "76"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 Bf8 15. dxe5 dxe5 16. Nh2 Be6 17. Qf3 Nc6 18. Nhg4 Nd7 19. Nd5 Qb7 20. Nge3 Rad8 21. a4 Nb6 22. axb5 axb5 23. Qe2 Na8 24. Rd1 Rd7 25. h4 Nc7 26. h5 Kh8 27. Bd2 h6 28. Be1 Ra8 29. f3 Rxa1 30. Rxa1 Na6 31. g4 c4 32. b3 cxb3 33. Bxb3 Nc5 34. Bc2 Qb8 35. Rb1 Rb7 36. Bf2 b4 37. Nxb4 Nxb4 38. cxb4 Rxb4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Gligoric, Svetozar"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "E95"]
[EventDate "1953.03.14"]
[PlyCount "96"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 Re8 9. Bf1 c6 10. d5 c5 11. g3 Rf8 12. Nh4 Ne8 13. a3 h6 14. b4 Kh7 15. Qc2 b6 16. Bd2 Bf6 17. Ng2 Ba6 18. Ne3 Nc7 19. Reb1 Qe7 20. a4 cxb4 21. Rxb4 Bb7 22. a5 Na6 23. Rbb1 Nac5 24. Nb5 bxa5 25. Bxa5 a6 26. Nc3 Bg5 27. Na4 Nxa4 28. Rxb7 Nac5 29. Rbb1 Bxe3 30. fxe3 Rfb8 31. Bg2 Kg7 32. h4 Rxb1+ 33. Rxb1 Rb8 34. Rxb8 Nxb8 35. Bb4 Qc7 36. Qa2 h5 37. Qa3 Nbd7 38. Bf3 Qb6 39. g4 hxg4 40. Bxg4 Nf6 41. Bf3 Nd3 42. Bd2 Qb1+ 43. Kg2 Nc5 44. Qb4 Qc2 45. Qc3 Qa2 46. Qa5 Qxc4 47. h5 Nb3 48. Qd8 Nxd2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Letelier Martner, Rene"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "D38"]
[EventDate "1953.03.14"]
[PlyCount "53"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxd7 Nxd7 8. e3 Nb6 9. Qb3 dxc4 10. Bxc4 Nxc4 11. Qxc4 O-O 12. O-O Bxc3 13. bxc3 Qd5 14. Qe2 Na5 15. Ba3 Rfc8 16. Rab1 f5 17. Rb5 Qc4 18. Qb2 b6 19. e4 Qd3 20. Qb1 Qxb1 21. Rfxb1 Nc4 22. Bc1 fxe4 23. R5b4 Nd6 24. Bf4 Kf7 25. Re1 Ke7 26. Rb2 Rf8 27. Bg3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Medina Garcia, Antonio Angel"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "C50"]
[EventDate "1953.03.14"]
[PlyCount "88"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Be3 Bb6 7. Qd2 Qe7 8. Bg5 Ba5 9. a3 Be6 10. b4 Bb6 11. Nd5 Bxd5 12. exd5 Nd8 13. Nh4 Qd7 14. Bxf6 gxf6 15. Qh6 Qg4 16. Qxf6 Rg8 17. Bb5+ Kf8 18. c3 c6 19. Qxd6+ Kg7 20. Qxe5+ f6 21. Nf5+ Kg6 22. Ne7+ Kg7 23. Nf5+ Kg6 24. Ne7+ Kg7 25. Qe4 Qxe4+ 26. dxe4 cxb5 27. Nxg8 Kxg8 28. f4 Nf7 29. Ke2 Rd8 30. Rhd1 Nd6 31. Kf3 Nc4 32. Ra2 Kf7 33. g4 h5 34. gxh5 Rh8 35. h4 Rxh5 36. Rh1 a6 37. Re2 Bc7 38. Rh3 Bd6 39. Rg2 Nb6 40. Kg4 Kg6 41. Rhg3 Rh6 42. h5+ Rxh5 43. Kf3+ Kf7 44. Rg7+ Kf8 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Pilnik, Herman"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "C41"]
[EventDate "1953.03.14"]
[PlyCount "75"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. h3 c6 6. Be3 Be7 7. Qd2 Qc7 8. Be2 h6 9. a3 Nf8 10. d5 g5 11. O-O-O Ng6 12. g3 Bd7 13. h4 g4 14. Ne1 h5 15. Ng2 c5 16. Bg5 a6 17. Ne3 b5 18. f3 b4 19. Nb1 gxf3 20. Bxf3 a5 21. Rdf1 Ng8 22. Nc4 Bb5 23. Be2 Rb8 24. Bxe7 N6xe7 25. Rf2 f6 26. Rhf1 Nc8 27. Qe3 Bxc4 28. Bxc4 Qh7 29. Nd2 Qh6 30. Qxh6 Rxh6 31. Be2 Nb6 32. Rf5 bxa3 33. bxa3 Na4 34. Bxh5+ Kf8 35. R1f3 Ke7 36. Nc4 Kd7 37. Bf7 Nb6 38. Nxb6+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Rossetto, Hector Decio"]
[Black "Steiner, Herman"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1953.03.14"]
[PlyCount "75"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. Nc3 c6 7. e3 Be7 8. Qc2 Nf8 9. Bd3 g6 10. O-O Ne6 11. Bh4 O-O 12. Rab1 Ng7 13. b4 a6 14. a4 Nf5 15. Bg5 Ne8 16. Bxe7 Nxe7 17. b5 axb5 18. axb5 Nd6 19. bxc6 bxc6 20. Na4 Ba6 21. Bxa6 Rxa6 22. Nc5 Ra7 23. Ne5 Qc8 24. Ra1 Qa8 25. Rxa7 Qxa7 26. Qe2 Ne4 27. Nxe4 dxe4 28. Qc2 Qb7 29. Qxe4 Nd5 30. Rc1 Ra8 31. h4 Qe7 32. Qf3 Ra2 33. h5 Nc3 34. Rxc3 Ra1+ 35. Kh2 Qh4+ 36. Qh3 Qxf2 37. Qc8+ Kg7 38. h6+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Shocron, Ruben"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E94"]
[EventDate "1953.03.14"]
[PlyCount "78"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 Nh6 11. Qd2 Nf7 12. Rad1 c6 13. d5 a5 14. Qc2 Nc5 15. Ne1 cxd5 16. Nxd5 Ne6 17. f3 Nd4 18. Qd3 Ng5 19. Nc2 Nge6 20. Nxd4 Nxd4 21. g4 Be6 22. Kh1 Bxd5 23. cxd5 Qb6 24. Bf2 f5 25. gxf5 gxf5 26. Rg1 Kh8 27. exf5 Qxb2 28. Rd2 Qb6 29. Qe4 Qc7 30. Rxg7 Qxg7 31. Rxd4 exd4 32. Bxd4 Rf6 33. Qh4 Raf8 34. Bb5 Kg8 35. Bd7 Qxd7 36. Bxf6 Qxf5 37. Qg3+ Qg6 38. Bg5 Rf5 39. h4 h6 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.01"]
[Round "15"]
[White "Trifunovic, Petar"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "A80"]
[EventDate "1953.03.14"]
[PlyCount "79"]

1. d4 f5 2. Bg5 c5 3. e3 Qb6 4. Nc3 e6 5. Rb1 d5 6. Nf3 Nc6 7. Bb5 h6 8. Bh4 g5 9. Bg3 cxd4 10. Nxd4 Nf6 11. Be5 Kf7 12. Nxc6 bxc6 13. Be2 Bg7 14. O-O Bd7 15. Na4 Qb4 16. c3 Qa5 17. b4 Qd8 18. Nc5 Qe7 19. Qd4 h5 20. c4 h4 21. b5 h3 22. Nxd7 Qxd7 23. bxc6 Qxc6 24. cxd5 exd5 25. Rfc1 Qe6 26. Rc7+ Kg6 27. Rbb7 Rag8 28. g3 Rh7 29. Rxa7 Ne8 30. Rxg7+ Nxg7 31. Ra6 Rc8 32. Rxe6+ Nxe6 33. Qb2 g4 34. f3 Ng5 35. fxg4 fxg4 36. Bxg4 Rc6 37. Qb1+ Ne4 38. Qf1 Rf7 39. Bh5+ Kh6 40. Bxf7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Bolbochan, Julio"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "E07"]
[EventDate "1953.03.14"]
[PlyCount "60"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 O-O 6. Bg2 dxc4 7. O-O Nbd7 8. Qc2 a6 9. Rd1 Re8 10. Ne5 c5 11. dxc5 Qc7 12. Nxc4 Bxc5 13. Be3 Bxe3 14. Nxe3 Ne5 15. Qb3 Rb8 16. Rac1 Qa5 17. Ne4 Nxe4 18. Bxe4 Bd7 19. Nc4 Nxc4 20. Rxd7 b5 21. Bd3 Ne5 22. Rd6 Red8 23. Rxd8+ Rxd8 24. Qc3 Qxc3 25. Rxc3 Nxd3 26. exd3 Kf8 27. Rc6 a5 28. Ra6 a4 29. Rb6 Rxd3 30. Rxb5 a3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Burgalat, Francisco"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "E48"]
[EventDate "1953.03.14"]
[PlyCount "75"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Nc6 9. Nf4 Ne7 10. Nh5 Nxh5 11. Qxh5 g6 12. Qd1 c6 13. Bd2 Bd6 14. Rc1 Nf5 15. Ne2 Bf8 16. b4 a6 17. a4 Nd6 18. b5 axb5 19. axb5 Bd7 20. bxc6 bxc6 21. Nc3 Qh4 22. Qf3 f5 23. Ra1 Ne4 24. Bxe4 fxe4 25. Qe2 Bd6 26. g3 Qh3 27. f3 Rxa1 28. Rxa1 exf3 29. Qxf3 Rf8 30. Qg2 Qh5 31. Rf1 Bh3 32. Rxf8+ Bxf8 33. Qf2 Bd6 34. e4 dxe4 35. Nxe4 Be7 36. Qe3 Qd1+ 37. Be1 Kg7 38. Nf2 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Eliskases, Erich"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E99"]
[EventDate "1953.03.14"]
[PlyCount "84"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Nf6 14. c5 Ng6 15. Rc1 Rf7 16. Qb3 g4 17. fxg4 Nxg4 18. Bxg4 Bxg4 19. Qxb7 f3 20. Be3 Nf4 21. Bxf4 exf4 22. gxf3 Bh3 23. Kh1 Bxf1 24. Rxf1 Bd4 25. e5 dxe5 26. Ne2 Rb8 27. Qc6 Qf6 28. Nxd4 exd4 29. d6 cxd6 30. Qd5 Kh8 31. cxd6 Rg7 32. d7 Rd8 33. Ne5 Rdxd7 34. Nxd7 Qg6 35. Qa8+ Rg8 36. Qxg8+ Qxg8 37. b3 Qg5 38. Re1 d3 39. Ne5 d2 40. Nf7+ Kg7 41. Rd1 Qh4 42. Kg2 Qe1 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Guimard, Carlos Enrique"]
[Black "Shocron, Ruben"]
[Result "0-1"]
[ECO "A49"]
[EventDate "1953.03.14"]
[PlyCount "140"]

1. d4 Nf6 2. Nd2 d6 3. Ngf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. c3 e5 8. e4 Bg4 9. Qc2 Qd7 10. Re1 Rfe8 11. d5 Nd8 12. c4 c5 13. a3 Rf8 14. b4 Nh5 15. bxc5 dxc5 16. Bb2 f6 17. a4 Rc8 18. a5 Nf7 19. Qa4 Qe7 20. Nf1 Rc7 21. Ne3 Bd7 22. Qd1 Nd6 23. Nd2 Qf7 24. Bf3 Bh3 25. Ra3 Bh6 26. Bg4 Bxg4 27. Qxg4 Kh8 28. Rf1 Re7 29. Qe2 Bg7 30. f3 f5 31. Kg2 Qe8 32. Raa1 Kg8 33. Nd1 Bh6 34. Nb3 Qc8 35. Nf2 Nf6 36. Bc1 Bxc1 37. Raxc1 f4 38. Nd3 fxg3 39. Nbxc5 gxh2 40. Ne6 Rxe6 41. dxe6 Qxe6 42. c5 Nf7 43. Kh1 Nh5 44. Qxh2 Ng5 45. a6 Qxa6 46. Nxe5 Nxe4 47. Rg1 Qe2 48. fxe4 Qxe4+ 49. Rg2 Rf4 50. c6 Rh4 51. cxb7 Ng3+ 52. Kg1 Qe3+ 53. Rf2 Qxc1+ 54. Kg2 Rxh2+ 55. Kxh2 Qh1+ 56. Kxg3 Qxb7 57. Rd2 Qc7 58. Rd5 Kf8 59. Kf3 Ke7 60. Nd3 Qc6 61. Ke4 g5 62. Kd4 Qb6+ 63. Ke4 Qg6+ 64. Rf5 Ke6 65. Nc5+ Kd6 66. Nb7+ Kc6 67. Nd8+ Kd7 68. Nf7 Qe6+ 69. Ne5+ Kd6 70. Rxg5 Qd5+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Jauregui Andrade, Carlos"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "E86"]
[EventDate "1953.03.14"]
[PlyCount "72"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 exd4 8. Nxd4 c6 9. Qd2 d5 10. exd5 cxd5 11. O-O-O Re8 12. Kb1 Nc6 13. c5 Qe7 14. Bf2 Nxd4 15. Bxd4 b6 16. cxb6 axb6 17. Bxb6 d4 18. Bxd4 Rd8 19. Bb5 Bf5+ 20. Ka1 Qb4 21. Bc6 Rac8 22. a3 Rxd4 23. Qxd4 Qxd4 24. Rxd4 Rxc6 25. Rd8+ Bf8 26. Nb5 Rb6 27. Nd4 Bd7 28. Rc1 Rd6 29. Nc6 Rxc6 30. Rxc6 Bxc6 31. b4 Kg7 32. Kb2 Be7 33. Rc8 Bd7 34. Rc1 Kf8 35. Kb3 Nd5 36. Rd1 Ba4+ 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Maderna, Carlos"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "D74"]
[EventDate "1953.03.14"]
[PlyCount "59"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O c6 8. Nc3 Nd7 9. Nxd5 cxd5 10. Qb3 Nb6 11. Bf4 Bd7 12. Ne5 Rc8 13. Rfc1 e6 14. Rxc8 Bxc8 15. Rc1 g5 16. Bd2 f6 17. Nd3 Nc4 18. Bb4 Re8 19. e4 b6 20. exd5 exd5 21. Qa4 Re2 22. Bf3 Nxb2 23. Nxb2 Rxb2 24. Bxd5+ Kh8 25. Ba3 Bd7 26. Qc4 Rd2 27. Be6 Be8 28. d5 h5 29. Qc8 Rd1+ 30. Rxd1 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Najdorf, Miguel"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "E99"]
[EventDate "1953.03.14"]
[PlyCount "82"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Nf6 14. c5 Ng6 15. Rc1 Rf7 16. cxd6 cxd6 17. Nb5 g4 18. Qd2 Bf8 19. Rc2 a6 20. Na3 gxf3 21. Bxf3 Ng4 22. Nc4 Nxf2 23. Qxf2 Nh4 24. Nb6 Nxf3+ 25. gxf3 Bh3 26. Nxa8 Rg7+ 27. Kh1 Bxf1 28. Qxf1 Qxa8 29. b3 Qd8 30. Rg2 Qc8 31. Nf2 Qc3 32. Nh3 Be7 33. Ng1 Qc8 34. Rxg7+ Kxg7 35. Qg2+ Kf7 36. Qg4 Qxg4 37. fxg4 h5 38. h3 hxg4 39. hxg4 Kg6 40. Nf3 Bd8 41. Kg2 b5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Ojanen, Kaarle Sakari"]
[Black "Bolbochan, Jacobo"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1953.03.14"]
[PlyCount "61"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d6 8. c3 Bd7 9. Re1 Rc8 10. Nf1 b5 11. d4 cxd4 12. cxd4 d5 13. e5 Ne8 14. Ne3 Nc7 15. h3 Kh8 16. Ng4 Ne6 17. Be3 f5 18. exf6 exf6 19. Qd2 Qa5 20. Rad1 Qxd2 21. Rxd2 Rfe8 22. Bh6 Bxh6 23. Nxh6 Kg7 24. Ng4 Nexd4 25. Rxe8 Nxf3+ 26. Bxf3 Bxe8 27. Rxd5 h5 28. Ne3 Ne5 29. Be2 Rc1+ 30. Rd1 Rxd1+ 31. Nxd1 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Steiner, Herman"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "E81"]
[EventDate "1953.03.14"]
[PlyCount "118"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nge2 d6 6. f3 e5 7. Bg5 c6 8. Qd2 Re8 9. O-O-O Nbd7 10. d5 c5 11. g4 a6 12. h4 b5 13. Ng3 bxc4 14. Bh6 Nf8 15. h5 Bh8 16. Bxc4 Rb8 17. Rdg1 Re7 18. Nf5 Reb7 19. Nd1 Rb4 20. Qc2 Bd7 21. Bd2 Bxf5 22. gxf5 R4b7 23. Bxa6 Ra7 24. Bc4 Bg7 25. h6 Bh8 26. Bg5 N8d7 27. Ne3 Kf8 28. fxg6 fxg6 29. Rf1 Qb6 30. Rh2 Nh5 31. Qc3 Kg8 32. Rg1 Nf4 33. Nf5 Bf6 34. Ne7+ Bxe7 35. Bxe7 Kf7 36. Bg5 Qb4 37. Kc2 Qxc3+ 38. Kxc3 Nb6 39. b3 Nxc4 40. Kxc4 Rba8 41. Bxf4 exf4 42. Rg4 Kf6 43. Rxf4+ Ke5 44. Rhh4 Rb7 45. Rfg4 Rxa2 46. Rxg6 hxg6 47. h7 Rc2+ 48. Kd3 Rxh7 49. Rxh7 Rc1 50. Re7+ Kf4 51. Re6 Rd1+ 52. Ke2 Rb1 53. Rf6+ Ke5 54. Rxg6 Rb2+ 55. Ke3 Rxb3+ 56. Kf2 c4 57. Kg3 c3 58. Re6+ Kd4 59. Rxd6 c2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.02"]
[Round "16"]
[White "Wexler, Bernardo"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D72"]
[EventDate "1953.03.14"]
[PlyCount "39"]

1. d4 Nf6 2. c4 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Bg7 6. e4 Nb6 7. Ne2 c5 8. d5 O-O 9. O-O Na6 10. Nbc3 e6 11. Nf4 e5 12. Nh3 Nc4 13. Qe2 Nd6 14. f4 exf4 15. Bxf4 Re8 16. e5 Nf5 17. Rae1 Nb4 18. Qd2 c4 19. Nf2 Qb6 20. Na4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Bolbochan, Jacobo"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
[ECO "C70"]
[EventDate "1953.03.14"]
[PlyCount "85"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4 5. c3 Ba5 6. O-O Nge7 7. d4 exd4 8. Nxd4 O-O 9. Bb3 Nxd4 10. Qxd4 Bb6 11. Qd1 Ng6 12. Nd2 Qh4 13. Bc2 Ne5 14. Nf3 Nxf3+ 15. Qxf3 d6 16. Qf4 Qh5 17. Be3 Bxe3 18. Qxe3 f5 19. f4 fxe4 20. Bxe4 d5 21. Bf3 Qf7 22. Rae1 c6 23. Qd4 Bd7 24. Rf2 Rae8 25. Rxe8 Rxe8 26. Re2 Qf5 27. Rxe8+ Bxe8 28. Qb4 Qd7 29. a4 b5 30. axb5 axb5 31. Qd4 Qf5 32. b4 h5 33. h4 Bg6 34. Kf2 Bf7 35. Kg3 Be6 36. Qe5 g6 37. Qxf5 Bxf5 38. Kf2 Kf7 39. Ke3 Ke6 40. Kd4 Kd6 41. Be2 Bd7 42. Bd3 Bf5 43. Be2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Carvalho jr, Flavio de"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "B25"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. Nge2 Nc6 6. O-O Nf6 7. d3 O-O 8. h3 Qa5 9. Be3 e5 10. f4 Nd4 11. g4 Rb8 12. f5 h6 13. Ng3 g5 14. Rf2 b5 15. a3 Qd8 16. Bh1 a5 17. Nd5 a4 18. Rh2 Bd7 19. Nxf6+ Bxf6 20. Nh5 Bg7 21. Qf1 f6 22. c3 Nb3 23. Rd1 b4 24. h4 gxh4 25. Rxh4 Rf7 26. Nxg7 Rxg7 27. Bxh6 Rh7 28. Qh3 Qe7 29. Bf3 bxa3 30. bxa3 Na5 31. Qg2 Kh8 32. Rh3 Rg8 33. Rb1 Nb3 34. Kf2 d5 35. Rbh1 Bxf5 36. exf5 e4 37. Bf8 e3+ 38. Ke1 Rxf8 39. Rxh7+ Qxh7 40. Rxh7+ Kxh7 41. Bxd5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Cuellar Gacharna, Miguel"]
[Black "Maderna, Carlos"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1953.03.14"]
[PlyCount "104"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. dxe5 dxe5 13. Nbd2 Rd8 14. Qe2 h6 15. Nh4 Bf8 16. Qf3 Nh7 17. Nf1 Nc6 18. Nf5 Ne7 19. N1e3 Nxf5 20. Nxf5 Kh8 21. Qg3 c4 22. Be3 Be6 23. Bd4 f6 24. Be3 Rd7 25. Rad1 Rad8 26. Nh4 Bf7 27. Ng6+ Bxg6 28. Qxg6 Bc5 29. Rxd7 Rxd7 30. Qe8+ Nf8 31. Bxc5 Qxc5 32. Rd1 Rxd1+ 33. Bxd1 Qd6 34. Bg4 Kg8 35. h4 g6 36. h5 gxh5 37. Bf5 Kg7 38. Kh2 h4 39. Kh3 Qc5 40. Kg4 Qxf2 41. Qe7+ Kg8 42. Qxf6 Qxg2+ 43. Kh5 h3 44. Be6+ Nxe6 45. Qxe6+ Kh7 46. Qxh6+ Kg8 47. Qe6+ Kh7 48. Qf5+ Kg8 49. Qc8+ Kh7 50. Qf5+ Kg8 51. Qc8+ Kh7 52. Qf5+ Kg8 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Gligoric, Svetozar"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1953.03.14"]
[PlyCount "97"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Qc2 Re8 8. Nc3 e5 9. Be2 c6 10. O-O exd4 11. Nxd4 Nb6 12. Rad1 d5 13. cxd5 Nbxd5 14. Nxd5 Nxd5 15. Bf3 Qa5 16. Nxc6 bxc6 17. Bxg7 Kxg7 18. Qxc6 Nc7 19. Rc1 Re7 20. Rc5 Qb4 21. Qd6 Rd7 22. Qe5+ f6 23. Qxc7 Rb8 24. Qa5 Ba6 25. Qxb4 Rxb4 26. Rfc1 Kf7 27. Rc7 Ke7 28. Rxd7+ Kxd7 29. Rc6 Rb6 30. Rxb6 axb6 31. Be4 Kd6 32. f4 Kc5 33. a3 Bb5 34. Kf2 Be8 35. Bd3 h6 36. Ke2 g5 37. g3 Bd7 38. Kd2 gxf4 39. gxf4 Be8 40. Kc3 Bd7 41. b4+ Kd5 42. e4+ Kd6 43. Kd4 Bc6 44. Bc2 Be8 45. a4 Bc6 46. a5 bxa5 47. bxa5 Kc7 48. e5 fxe5+ 49. Kxe5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Letelier Martner, Rene"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "E95"]
[EventDate "1953.03.14"]
[PlyCount "89"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 Re8 9. Bf1 c6 10. d5 c5 11. g3 h6 12. Nh4 Nf8 13. Bd2 Kh7 14. a3 Ng8 15. Qc2 Bf6 16. Ng2 Bh3 17. b4 b6 18. bxc5 bxc5 19. Rab1 Re7 20. Rb2 Kg7 21. Ne3 Qc8 22. Be2 Nh7 23. Reb1 Bg5 24. Qa4 Nhf6 25. f3 Ne8 26. Ncd1 Bd7 27. Qc2 f5 28. exf5 gxf5 29. Bd3 Rf7 30. Ng2 Ne7 31. Nf2 Ng6 32. Qc1 Qd8 33. Rb7 Bxd2 34. Qxd2 Qf6 35. Bc2 Kh7 36. R1b3 Ng7 37. Rc7 Ba4 38. Rbb7 Rxc7 39. Rxc7 Bxc2 40. Qxc2 Qd8 41. Rb7 Rb8 42. Rxb8 Qxb8 43. Nd1 Qe8 44. Nc3 Qe7 45. Kf2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Medina Garcia, Antonio Angel"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B91"]
[EventDate "1953.03.14"]
[PlyCount "38"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 O-O 9. O-O Nbd7 10. a4 b6 11. Nd5 Nxd5 12. Qxd5 Ra7 13. Be3 Rc7 14. Nc3 Nc5 15. Qd2 Bb7 16. Rfd1 Qa8 17. Nd5 Bxd5 18. Qxd5 Qxd5 19. Rxd5 a5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Pilnik, Herman"]
[Black "Bolbochan, Julio"]
[Result "1/2-1/2"]
[ECO "C98"]
[EventDate "1953.03.14"]
[PlyCount "38"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 h6 15. Nh4 Be6 16. Qf3 Nh7 17. Nf5 Bg5 18. Bxg5 Nxg5 19. Qe3 Ne7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Rossetto, Hector Decio"]
[Black "Burgalat, Francisco"]
[Result "1-0"]
[ECO "E68"]
[EventDate "1953.03.14"]
[PlyCount "169"]

1. d4 Nf6 2. c4 d6 3. g3 g6 4. Bg2 Bg7 5. Nc3 O-O 6. Nf3 Nbd7 7. O-O e5 8. e4 Re8 9. d5 Nc5 10. Qc2 a5 11. b3 c6 12. Bg5 h6 13. Be3 Na6 14. dxc6 bxc6 15. Rfd1 Qc7 16. Rac1 Ng4 17. Bd2 Nc5 18. h3 Nf6 19. Be3 Kh7 20. Ne1 Ne6 21. f4 Nh5 22. Qf2 Bb7 23. f5 Nd4 24. g4 Nf6 25. Nf3 c5 26. Nd2 g5 27. Qg3 Nd7 28. Kf2 Bf6 29. Rh1 Kg7 30. Bf1 Bc6 31. Bd3 Rh8 32. Qg2 Rag8 33. Nf1 Bd8 34. Ng3 f6 35. h4 Nb6 36. Nd5 Qa7 37. hxg5 hxg5 38. Rxh8 Rxh8 39. Rh1 Be8 40. Bxd4 cxd4 41. Rh2 Kg8 42. Ke1 Qg7 43. Qh1 Rxh2 44. Qxh2 Nd7 45. Kd2 Nc5 46. Bc2 Qh7 47. Qxh7+ Kxh7 48. a3 Bc6 49. b4 axb4 50. axb4 Nd7 51. Ne2 Kg8 52. Nc1 Kf8 53. Nd3 Nb6 54. Nb2 Ke8 55. Bb3 Kd7 56. Kc2 Kc8 57. Kb1 Kb7 58. Ka2 Nd7 59. Bc2 Nb6 60. Kb3 Ka7 61. Bd1 Bb7 62. Bf3 Ba6 63. Be2 Bb7 64. Bd3 Bc6 65. Ka3 Bb7 66. Nd1 Bc6 67. Nf2 Na4 68. Nh1 Bxd5 69. exd5 Nc3 70. Ng3 Kb6 71. Bc2 Be7 72. Kb2 Bd8 73. Bb3 Be7 74. Kc2 Bd8 75. Kd3 Be7 76. Nh5 Nb1 77. Ng7 Kc7 78. Ne8+ Kd8 79. Ng7 Kc7 80. c5 dxc5 81. bxc5 Bxc5 82. Ne8+ Kb6 83. Nxf6 Nc3 84. Nd7+ Kb5 85. Nxe5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Shocron, Ruben"]
[Black "Wexler, Bernardo"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1953.03.14"]
[PlyCount "115"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. O-O O-O 10. Qe1 b5 11. Ne2 Bb7 12. Ng3 Re8 13. fxe5 dxe5 14. Nf5 Bf8 15. Bg5 h6 16. Bd2 Kh8 17. Ba5 Qc8 18. Bb4 Qc6 19. Bxf8 Nxf8 20. N3h4 Ng6 21. Nxg6+ fxg6 22. Ng3 Rf8 23. h3 Nd7 24. Qb4 Nc5 25. Qc3 Qd6 26. Rad1 Ne6 27. Kh2 Rac8 28. Rxf8+ Rxf8 29. Rd2 Nd4 30. Qa5 Qc5 31. c3 Nc6 32. Qc7 Qe7 33. Qxe7 Nxe7 34. Bxb5 Ng8 35. Bc4 Nf6 36. Bd5 Rd8 37. c4 a5 38. Re2 Bc8 39. Rc2 h5 40. b3 g5 41. a3 h4 42. Ne2 g4 43. b4 g5 44. hxg4 axb4 45. axb4 Nxg4+ 46. Kg1 Ne3 47. Rc3 Nxd5 48. exd5 Bg4 49. Re3 Rb8 50. Re4 Bxe2 51. Rxe2 Rxb4 52. c5 Rc4 53. c6 e4 54. Kf2 Kg7 55. Rd2 Kf7 56. d6 Ke8 57. d7+ Kd8 58. Rd6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.04"]
[Round "17"]
[White "Trifunovic, Petar"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "C73"]
[EventDate "1953.03.14"]
[PlyCount "45"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 Ne7 8. Nc3 Rb8 9. Qd3 Ng6 10. O-O-O Be7 11. h4 Bd7 12. h5 Nf8 13. Nh4 Qc8 14. Nf5 Bxf5 15. exf5 d5 16. f3 Qb7 17. b3 c5 18. dxe5 d4 19. h6 Rg8 20. Qc4 Qb4 21. Qxg8 Qxc3 22. Kb1 dxe3 23. e6 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Bolbochan, Julio"]
[Black "Shocron, Ruben"]
[Result "1-0"]
[ECO "E05"]
[EventDate "1953.03.14"]
[PlyCount "63"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 dxc4 6. O-O Be7 7. Nbd2 O-O 8. Nxc4 Nd5 9. Qb3 a5 10. Rd1 a4 11. Qc2 Nb4 12. Qb1 b5 13. Nce5 Nxe5 14. Nxe5 Ra6 15. a3 Nd5 16. e4 Nf6 17. Qd3 Qe8 18. Be3 Bb7 19. f3 Ba8 20. Rac1 Qb8 21. Qc3 Rc8 22. Nd3 Rd6 23. Qa5 Ne8 24. Qe1 Rdd8 25. Nc5 Nd6 26. Bf2 Nc4 27. Qb4 Rd6 28. Bf1 Rb6 29. b3 axb3 30. Qxb3 Bc6 31. a4 Nd6 32. a5 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Burgalat, Francisco"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "D78"]
[EventDate "1953.03.14"]
[PlyCount "32"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nc3 c6 6. Nf3 O-O 7. O-O dxc4 8. Qc2 Na6 9. Rd1 Nb4 10. Qb1 Nfd5 11. e4 Nxc3 12. bxc3 Nd3 13. Be3 Qa5 14. Qc2 Qh5 15. Nd2 b5 16. f4 Qe2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Eliskases, Erich"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "B91"]
[EventDate "1953.03.14"]
[PlyCount "110"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. a4 Nc6 9. Bg2 O-O 10. O-O Nb4 11. h3 Be6 12. f4 Qc8 13. f5 Bc4 14. g4 h6 15. g5 hxg5 16. Bxg5 Rd8 17. Qd2 d5 18. exd5 Nfxd5 19. Nxd5 Bxd5 20. Qc3 Bxg2 21. Kxg2 Nd5 22. Qxc8 Raxc8 23. Bxe7 Nxe7 24. Ng3 Rxc2+ 25. Rf2 Rdd2 26. Rxd2 Rxd2+ 27. Kf3 Rxb2 28. Rd1 Rb3+ 29. Kg2 f6 30. Rd7 Kf8 31. h4 Ke8 32. Rc7 Kd8 33. Rc4 Nd5 34. Kf2 Nf4 35. Ne4 b5 36. axb5 axb5 37. Rc6 b4 38. Ra6 Ra3 39. Rb6 Kc7 40. Rb5 Nd3+ 41. Ke2 Kc6 42. Rb8 Nf4+ 43. Kd2 Ra2+ 44. Kd1 Nd5 45. h5 Rh2 46. Rc8+ Kd7 47. Rb8 Nc3+ 48. Nxc3 bxc3 49. Rb7+ Kd6 50. Rxg7 e4 51. Rg3 c2+ 52. Kc1 Ke5 53. Rc3 Kxf5 54. Rxc2 Rxc2+ 55. Kxc2 Kg5 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Gligoric, Svetozar"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D55"]
[EventDate "1953.03.14"]
[PlyCount "54"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 b6 7. cxd5 exd5 8. Bd3 Bb7 9. Nf3 Ne4 10. Bf4 Nxc3 11. bxc3 Nd7 12. O-O c5 13. Qc2 g6 14. a4 Re8 15. Qb2 c4 16. Bc2 Bc6 17. Rce1 Bf8 18. Nd2 f5 19. f3 Qh4 20. Qc1 a6 21. Bg3 Qh6 22. e4 f4 23. Bf2 b5 24. exd5 Bxd5 25. Rxe8 Rxe8 26. axb5 axb5 27. Ne4 Rb8 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Guimard, Carlos Enrique"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "E30"]
[EventDate "1953.03.14"]
[PlyCount "87"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 7. Rc1 bxc4 8. e4 g5 9. Bg3 Nxe4 10. Bxc4 Qf6 11. Nge2 e5 12. O-O Bxc3 13. Nxc3 Nxc3 14. Rxc3 d6 15. b4 cxb4 16. Bb5+ Bd7 17. Bxe5 dxe5 18. Rc8+ Ke7 19. d6+ Qxd6 20. Qxd6+ Kxd6 21. Rd1+ Ke7 22. Rxh8 Bxb5 23. Rdd8 a6 24. f3 Ra7 25. Rxb8 Rd7 26. Rbe8+ Kf6 27. Rd8 Rc7 28. Rxh6+ Ke7 29. Rd2 Rc3 30. Rb6 f5 31. Rd5 Rc1+ 32. Kf2 Rc2+ 33. Kg3 Bf1 34. Rxe5+ Kd7 35. f4 Rxg2+ 36. Kf3 g4+ 37. Ke3 Rxh2 38. Rxf5 g3 39. Rf7+ Kc8 40. Rg6 Rh8 41. Rxg3 Bc4 42. Rf6 Bxa2 43. Rxa6 Bd5 44. Kd4 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Jauregui Andrade, Carlos"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1953.03.14"]
[PlyCount "62"]

1. d4 c5 2. d5 d6 3. Nc3 e5 4. dxe6 fxe6 5. e4 Nc6 6. Nf3 Nf6 7. Bg5 Be7 8. Qd2 Qa5 9. Bb5 Bd7 10. O-O a6 11. Bxc6 Bxc6 12. e5 Bxf3 13. exd6 O-O-O 14. Qe3 Bxd6 15. Qxf3 Qc7 16. g3 Rhf8 17. Rfe1 Rde8 18. Ne4 Nxe4 19. Qxe4 h6 20. Bd2 Qf7 21. Re2 Qf5 22. Rae1 Qxe4 23. Rxe4 Kd7 24. Bc3 Rf7 25. h4 b5 26. Rg4 Bf8 27. b3 Rc8 28. Kg2 Rc6 29. Be5 h5 30. Rd1+ Ke8 31. Re4 Rd7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Maderna, Carlos"]
[Black "Bolbochan, Jacobo"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1953.03.14"]
[PlyCount "114"]

1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Bb2 d6 11. Rc1 a6 12. Rc2 Qc7 13. Rd2 Rfd8 14. Qa1 Rab8 15. Rfd1 Ba8 16. Ng5 h6 17. Nge4 Ne8 18. g4 Ne5 19. h3 Ng6 20. e3 Bc6 21. f4 Nh4 22. Bh1 Qb7 23. g5 hxg5 24. fxg5 Bxg5 25. Nxg5 Bxh1 26. Rf1 Nf3+ 27. Rxf3 Bxf3 28. Qb1 f5 29. Rf2 Bc6 30. Nxe6 Rd7 31. Rxf5 Rf7 32. Ng5 Qe7 33. Nxf7 Qxe3+ 34. Kf1 Qxh3+ 35. Ke1 Rb7 36. Ng5 Re7+ 37. Ne2 Qh1+ 38. Rf1 Qh4+ 39. Rf2 Qxg5 40. Qf5 Qxf5 41. Rxf5 Be4 42. Rf2 Bd3 43. Kd2 Bxe2 44. Rxe2 Rxe2+ 45. Kxe2 Kf7 46. Kf3 g6 47. Ke4 Ke6 48. Ba3 g5 49. b4 Nf6+ 50. Ke3 Ng4+ 51. Ke2 cxb4 52. Bxb4 Ne5 53. c5 d5 54. Bc3 Nc6 55. Ke3 d4+ 56. Bxd4 Nxd4 57. Kxd4 Kd7 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Najdorf, Miguel"]
[Black "Carvalho jr, Flavio de"]
[Result "1-0"]
[ECO "E35"]
[EventDate "1953.03.14"]
[PlyCount "53"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 c5 8. dxc5 Nc6 9. e3 g5 10. Bg3 Ne4 11. Bd3 Bxc3+ 12. bxc3 Nxc5 13. Nf3 Qf6 14. O-O O-O 15. Bh7+ Kh8 16. Nd4 Qg7 17. Bf5 Ne6 18. Rab1 Kg8 19. f4 Nexd4 20. cxd4 Ne7 21. Bd3 b6 22. fxg5 hxg5 23. Bd6 f6 24. Qc7 Rf7 25. Qd8+ Qf8 26. Bxe7 Rxe7 27. Qxf8+ 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Ojanen, Kaarle Sakari"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
[ECO "E59"]
[EventDate "1953.03.14"]
[PlyCount "81"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Bd3 dxc4 9. Bxc4 Qc7 10. Be2 Nc6 11. O-O Rd8 12. Qc2 e5 13. Bb2 e4 14. Nd2 Bf5 15. Nb3 cxd4 16. cxd4 Rac8 17. Rfc1 Bg4 18. d5 Rxd5 19. Bxf6 Bxe2 20. Qxe2 gxf6 21. Qg4+ Kh8 22. Qxe4 Qe5 23. Qf3 Rcd8 24. h3 Qd6 25. Qe4 Rg8 26. Rc2 a5 27. Rac1 f5 28. Qc4 f6 29. f4 Rd3 30. Rc3 Rd5 31. R3c2 Rd3 32. Rc3 Rd5 33. R1c2 Rd1+ 34. Kh2 Qxa3 35. Qf7 Qd6 36. Qxb7 Nd8 37. Qa7 Ne6 38. Rc8 Nf8 39. Qf7 a4 40. Nd4 Rxd4 41. exd4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.05"]
[Round "18"]
[White "Wexler, Bernardo"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1953.03.14"]
[PlyCount "39"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nf3 g6 5. Bd3 Bg7 6. O-O Nh6 7. Nc3 O-O 8. a4 Nd7 9. Nb5 Nb8 10. c3 a6 11. Na3 f6 12. Nc4 Nf7 13. Qc2 a5 14. Bd2 Bh6 15. h3 Bxd2 16. Nfxd2 b6 17. f4 exf4 18. Rxf4 Ba6 19. Ne3 Bxd3 20. Qxd3 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Bolbochan, Jacobo"]
[Black "Burgalat, Francisco"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "112"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. Re1 Re8 10. h3 exd4 11. Nxd4 Nc5 12. Bf4 Nh5 13. Be3 Qc7 14. Qc2 Bd7 15. Rad1 Rad8 16. g4 Nf6 17. f3 Bc8 18. Qf2 Nfd7 19. Bg5 f6 20. Be3 Ne5 21. Bf1 b6 22. b4 Ne6 23. f4 Nf7 24. b5 Nxd4 25. Bxd4 Bb7 26. bxc6 Bxc6 27. Nd5 Bxd5 28. cxd5 Rb8 29. Rc1 Qe7 30. Ba6 g5 31. f5 Ne5 32. Rc3 Qd8 33. Bb5 Nd7 34. Qc2 Re7 35. Bxd7 Qxd7 36. Kg2 Kf7 37. Rc1 Rbe8 38. Rc7 Qxc7 39. Qxc7 Rxc7 40. Rxc7+ Re7 41. Rxe7+ Kxe7 42. Kf3 Kd7 43. Ke3 Kc7 44. Kd3 Kb7 45. Kc4 Bh8 46. Bb2 a6 47. a4 Bg7 48. Ba3 Kc7 49. Bb4 Kd7 50. Be1 Bf8 51. Bf2 Kc7 52. Kc3 Be7 53. Kb4 Bd8 54. Be3 Kd7 55. Kb3 Kc8 56. Bd4 Kd7 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Carvalho jr, Flavio de"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "C10"]
[EventDate "1953.03.14"]
[PlyCount "110"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 b6 7. Bb5+ c6 8. Bd3 Bb7 9. Qe2 Nd7 10. O-O Qc7 11. Bd2 Bd6 12. a4 Nf8 13. a5 Ng6 14. axb6 axb6 15. Rxa8+ Bxa8 16. Ra1 O-O 17. Bxg6 hxg6 18. Bh6 Re8 19. Qe4 Bb7 20. Qh4 Be7 21. Bf4 Qd7 22. c3 c5 23. Be3 Qb5 24. dxc5 Qxb2 25. Re1 Bxf3 26. gxf3 bxc5 27. Qc4 Qb7 28. Kg2 Kg7 29. Qe4 Rb8 30. Rd1 g5 31. c4 Qxe4 32. fxe4 Rb4 33. Rc1 Kg6 34. f3 Rb2+ 35. Bf2 f5 36. h3 Bd6 37. Rd1 Bf4 38. exf5+ Kxf5 39. Kf1 Rb3 40. Kg2 Rb2 41. Kf1 Rc2 42. Bxc5 Rxc4 43. Bf2 Rc3 44. Kg2 Rc2 45. Rd3 e5 46. Kf1 Ra2 47. Rb3 Bd2 48. Rb7 f6 49. Rb6 Bc3 50. Rd6 e4 51. Rc6 Be5 52. fxe4+ Kxe4 53. h4 Kf3 54. Be1 gxh4 55. Bxh4 Rh2 0-1

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Cuellar Gacharna, Miguel"]
[Black "Jauregui Andrade, Carlos"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1953.03.14"]
[PlyCount "104"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. h3 c6 9. e4 Qa5 10. Be3 exd4 11. Bxd4 Nc5 12. Qc2 Qb4 13. b3 a5 14. Rac1 Re8 15. Rfe1 Nfd7 16. Bxg7 Kxg7 17. Qd2 Ne5 18. Re3 Be6 19. Qxd6 Nxf3+ 20. Rxf3 Rad8 21. Qf4 Kg8 22. Bf1 Rd4 23. Qe3 Red8 24. Nd5 Qd2 25. Nf6+ Kg7 26. e5 Qxe3 27. Rxe3 Rd2 28. Ra1 Rb2 29. Re2 Rdd2 30. Rxd2 Rxd2 31. g4 g5 32. Kg2 a4 33. bxa4 Rc2 34. Rd1 Bxc4 35. Bxc4 Rxc4 36. Rd8 Rxa4 37. Rg8+ Kh6 38. Nh5 Ne6 39. Ng3 Ng7 40. Rd8 Rxa2 41. Rd7 Kg6 42. Rxb7 Ra5 43. Rc7 Rxe5 44. Rxc6+ Re6 45. Rc5 Re1 46. Rc8 Re8 47. Rc1 f6 48. Rc6 Re6 49. Rc7 h5 50. Rc5 hxg4 51. hxg4 Ra6 52. Rc8 Ra4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Letelier Martner, Rene"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1953.03.14"]
[PlyCount "1"]

1. d4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Medina Garcia, Antonio Angel"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "B93"]
[EventDate "1953.03.14"]
[PlyCount "33"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bc4 Be7 9. a4 O-O 10. O-O Rb8 11. Qe2 Qc7 12. Kh1 Nc5 13. f5 Bd7 14. Bg5 Bc6 15. Bxf6 Bxf6 16. Nd5 Bxd5 17. Bxd5 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Pilnik, Herman"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "B59"]
[EventDate "1953.03.14"]
[PlyCount "62"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. Be3 O-O 10. Bf3 Na5 11. Nxa5 Qxa5 12. Qd2 Rfc8 13. a3 Qc7 14. Rfd1 a6 15. a4 Qc4 16. Bg5 Qb4 17. Bxf6 Bxf6 18. Nd5 Qxd2 19. Nxf6+ gxf6 20. Rxd2 Kf8 21. a5 Rc6 22. b3 Rc3 23. Be2 Ke7 24. Ra4 Rac8 25. Rb4 R8c7 26. f3 f5 27. Bd3 f4 28. g3 R3c5 29. Ra4 Bd7 30. Ra1 Rc3 31. gxf4 exf4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Rossetto, Hector Decio"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D75"]
[EventDate "1953.03.14"]
[PlyCount "35"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d5 6. cxd5 Nxd5 7. d4 c5 8. O-O Nxc3 9. bxc3 Nc6 10. Be3 cxd4 11. cxd4 Be6 12. Qd2 Bd5 13. Rfd1 Qa5 14. Qxa5 Nxa5 15. Ne5 Bxg2 16. Kxg2 Rfc8 17. Rac1 Kf8 18. g4 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Shocron, Ruben"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1953.03.14"]
[PlyCount "106"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. Nbd2 h6 7. e4 dxe4 8. Nxe4 Nbc6 9. Re1 g5 10. Nfd2 O-O 11. a4 f5 12. Nc5 b6 13. Ncb3 Be6 14. a5 Bd5 15. Bxd5+ Qxd5 16. Qf3 Qxf3 17. Nxf3 Ng6 18. Kg2 Nb4 19. Re2 c5 20. Ne1 g4 21. Bd2 Nc6 22. h3 h5 23. hxg4 hxg4 24. c3 Bf6 25. Nc2 Kf7 26. Ne3 Nce7 27. Nc4 Nd5 28. Nd6+ Ke6 29. Nb5 Kd7 30. Rh1 Rh8 31. Rxh8 Rxh8 32. c4 Nb4 33. Bxb4 cxb4 34. Nxa7 bxa5 35. Nxa5 Ra8 36. N5c6 Be7 37. Nxe7 Nxe7 38. Nb5 Nc6 39. d4 exd4 40. Rd2 Ra2 41. Nxd4 Nxd4 42. Rxd4+ Kc6 43. b3 Rc2 44. Rd3 Rc3 45. Re3 Kc5 46. Kf1 Rc1+ 47. Re1 Rc3 48. Re3 Rc1+ 49. Re1 Rc3 50. Re5+ Kd6 51. Re3 Rc1+ 52. Ke2 Rc2+ 53. Ke1 Rb2 1/2-1/2

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Steiner, Herman"]
[Black "Maderna, Carlos"]
[Result "1-0"]
[ECO "D63"]
[EventDate "1953.03.14"]
[PlyCount "69"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 O-O 7. Rc1 c6 8. a3 h6 9. Bh4 a6 10. h3 Ne4 11. Bxe7 Qxe7 12. Qc2 Nd6 13. cxd5 exd5 14. Bd3 Nf6 15. O-O g6 16. Ne5 Bf5 17. f3 Bxd3 18. Qxd3 Rad8 19. Ne2 Nf5 20. g4 Ng7 21. Ng3 Nd7 22. f4 h5 23. gxh5 Qh4 24. Kh2 Nxh5 25. Nxh5 Qxh5 26. Rg1 Nxe5 27. dxe5 Rfe8 28. Rg5 Qh4 29. Rcg1 Re6 30. R1g2 c5 31. Qc3 b6 32. f5 Rc6 33. e6 d4 34. Qc4 b5 35. e7 1-0

[Event "12th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1953.04.07"]
[Round "19"]
[White "Trifunovic, Petar"]
[Black "Bolbochan, Julio"]
[Result "1/2-1/2"]
[ECO "D67"]
[EventDate "1953.03.14"]
[PlyCount "116"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 Nbd7 7. Nf3 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 Qb4+ 12. Qd2 Qxd2+ 13. Kxd2 N5f6 14. Nd6 Nd5 15. Ne4 N7f6 16. Nxf6+ Nxf6 17. Ne5 Rd8 18. Ke2 Bd7 19. Rhd1 Be8 20. f3 Kf8 21. a3 Ke7 22. Bd3 Nd7 23. Nc4 f6 24. b4 a6 25. Na5 Rab8 26. e4 Nb6 27. Ke3 Rdc8 28. Rd2 Rc7 29. Be2 Rd8 30. Bd1 Rcd7 31. Bb3 Nc8 32. Nc4 Bf7 33. Rcd1 Kf8 34. g4 e5 35. dxe5 Rxd2 36. Rxd2 Rxd2 37. Nxd2 fxe5 38. f4 exf4+ 39. Kxf4 Nb6 40. Bxf7 Kxf7 41. Ke5 Ke7 42. Kd4 Nd7 43. Nc4 b6 44. Ne5 Nb8 45. a4 Ke6 46. Nd3 g5 47. a5 c5+ 48. Kc4 bxa5 49. bxc5 Nc6 50. Kb3 h6 51. Ka4 Kf6 52. Ka3 Ke6 53. Kb3 Kf6 54. h3 Ke6 55. Ka3 Kf6 56. Ka4 Ke6 57. Kb3 Kf6 58. Kc3 Ke6 1/2-1/2
