[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Flores Alvarez, Rodrigo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1955.03.09"]
[PlyCount "82"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. f4 exf4 11. Bxf4 Nc6 12. Kh1 Ne5 13. Qd4 Qc7 14. Rac1 Rac8 15. Nd5 Bxd5 16. exd5 Nfd7 17. c4 Bf6 18. Qd2 Rfe8 19. Rc2 Ng6 20. Bg3 Be5 21. Rf3 Nf6 22. Be1 Qd7 23. Rf1 Ne4 24. Qd1 Nf4 25. Bd3 f5 26. Qf3 g5 27. Bc3 Bxc3 28. bxc3 Re5 29. g3 Nxd3 30. Qxd3 Qa4 31. c5 Nxc5 32. Qd4 Qd7 33. Rcf2 Ne4 34. Rf3 Rce8 35. c4 g4 36. Rf4 Ng5 37. Nd2 Nh3 38. Rxf5 Rxf5 39. Qxg4+ Kh8 40. Qxf5 Qxf5 41. Rxf5 Kg7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Gligoric, Svetozar"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "C75"]
[EventDate "1955.03.09"]
[PlyCount "83"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Be7 7. O-O Bf6 8. Be3 Nge7 9. d5 Na7 10. Bxd7+ Qxd7 11. c4 O-O 12. Nc3 Ng6 13. Ne2 Rfe8 14. Re1 Nc8 15. Rc1 b6 16. b4 a5 17. a3 axb4 18. axb4 h6 19. Qc2 Bd8 20. Ng3 Nce7 21. c5 bxc5 22. bxc5 dxc5 23. Bxc5 Nc8 24. Nf5 Ra6 25. Nd2 Rf6 26. g3 Nge7 27. Bxe7 Nxe7 28. Nxe7+ Rxe7 29. Nc4 Qg4 30. Ne3 Qf3 31. Nf5 Re8 32. Qe2 Qxe2 33. Rxe2 Ra6 34. Rb2 Kf8 35. Rc4 h5 36. h4 g6 37. Ne3 Ke7 38. Rb8 Kd7 39. Rcb4 Be7 40. Rxe8 Bxb4 41. Rb8 Bc5 42. Kg2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1955.03.09"]
[PlyCount "43"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. cxd5 exd5 7. Bd3 Nbd7 8. Nf3 c6 9. Qc2 Re8 10. O-O Nf8 11. Rab1 g6 12. b4 Ne6 13. Bh4 a5 14. b5 c5 15. dxc5 Nxc5 16. Nd4 Be6 17. Rfd1 Rc8 18. Qd2 Nce4 19. Bxe4 Nxe4 20. Nxe4 dxe4 21. Nxe6 Qxd2 22. Rxd2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D27"]
[EventDate "1955.03.09"]
[PlyCount "83"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 dxc4 7. e3 a6 8. a4 c5 9. Bxc4 Nc6 10. O-O cxd4 11. exd4 O-O 12. Re1 Bd7 13. Qe2 Nd5 14. Bxe7 Nxc3 15. bxc3 Nxe7 16. Ne5 Nd5 17. Qf3 Be8 18. Reb1 b5 19. axb5 axb5 20. Bxd5 exd5 21. Nd3 Rc8 22. Nb4 Bd7 23. Re1 Be6 24. h3 Rc4 25. Re5 Qd6 26. Rae1 Rd8 27. R1e3 Ra8 28. Nxd5 Bxd5 29. Qxd5 Qxd5 30. Rxd5 b4 31. cxb4 Rxb4 32. Rd7 Ra6 33. Rf3 Rf6 34. Rd8+ Kh7 35. Rxf6 gxf6 36. Kh2 Rb3 37. f3 Kg6 38. Kg3 Kf5 39. Rd5+ Ke6 40. Rh5 Rd3 41. d5+ Rxd5 42. Rxd5 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Panno, Oscar"]
[Black "Toran Albero, Roman"]
[Result "1/2-1/2"]
[ECO "E65"]
[EventDate "1955.03.09"]
[PlyCount "71"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O c5 7. Nc3 Nc6 8. e3 Bf5 9. h3 Qc8 10. g4 Bd7 11. d5 Na5 12. Qd3 a6 13. e4 h5 14. g5 Ne8 15. Nh4 b5 16. cxb5 axb5 17. Rb1 b4 18. Ne2 Qa6 19. Qd1 Bb5 20. Re1 Nc4 21. a3 bxa3 22. bxa3 Nxa3 23. Bxa3 Bxe2 24. Qxe2 Qxa3 25. Qb5 Ra7 26. Re3 Qa2 27. Re2 Qa3 28. Re3 Qa4 29. Qxa4 Rxa4 30. Rb7 c4 31. Re2 Ra1+ 32. Bf1 Rc1 33. Ng2 Bd4 34. Rxe7 Ng7 35. Re1 Rc2 36. Re2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Rossetto, Hector Decio"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "D38"]
[EventDate "1955.03.09"]
[PlyCount "87"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 Bb4 6. Qa4+ Nc6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Ne4 10. Rc1 O-O 11. e3 Bf5 12. Be2 a6 13. O-O Bxc3 14. bxc3 Nxg3 15. hxg3 b5 16. Qd1 Qd6 17. Bd3 Qg6 18. Bxf5 Qxf5 19. Ne1 Na5 20. Nd3 Nc4 21. g4 Qg6 22. Nc5 c6 23. Re1 f5 24. Qc2 a5 25. gxf5 Qxf5 26. e4 dxe4 27. Rxe4 Rf6 28. Qe2 Raf8 29. f3 Nb6 30. Re5 Qg6 31. Re1 a4 32. Re7 Nd5 33. Nd7 Nxe7 34. Nxf8 Rxf8 35. Qxe7 Rf7 36. Qe8+ Kg7 37. Re6 Qb1+ 38. Kh2 Qxa2 39. Qxc6 Qc2 40. Qxb5 a3 41. Qe5+ Kh7 42. Re8 Rg7 43. Ra8 a2 44. Qe8 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Szabo, Laszlo"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "A47"]
[EventDate "1955.03.09"]
[PlyCount "69"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. Nbd2 O-O 7. e4 c5 8. c3 Ba6 9. Qe2 Bxd3 10. Qxd3 d5 11. e5 Ne8 12. dxc5 bxc5 13. c4 Nc6 14. Rd1 Nc7 15. cxd5 exd5 16. Nf1 d4 17. Ng3 Qd5 18. Nf5 Rfe8 19. Nxe7+ Nxe7 20. Ng5 Ng6 21. f4 Ne6 22. Nxe6 fxe6 23. b3 a5 24. Qc4 Qxc4 25. bxc4 Rab8 26. g3 Rb4 27. Ba3 Rxc4 28. Rdc1 Ra4 29. Bxc5 Rc8 30. a3 Nf8 31. Bd6 Rxc1+ 32. Rxc1 Nd7 33. Rc8+ Kf7 34. Rc7 Ke8 35. f5 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.09"]
[Round "1"]
[White "Wexler, Bernardo"]
[Black "Pachman, Ludek"]
[Result "0-1"]
[ECO "A63"]
[EventDate "1955.03.09"]
[PlyCount "68"]

1. c4 Nf6 2. d4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 Ne8 12. Qd2 Rb8 13. Rab1 Ne5 14. Nxe5 dxe5 15. Be3 b6 16. Bh6 Bxh6 17. Qxh6 Nd6 18. e4 f6 19. b4 cxb4 20. Rxb4 Bd7 21. Rfb1 Qc7 22. Rc1 Rfc8 23. Bf1 b5 24. axb5 axb5 25. Qd2 Ra8 26. Qb2 Qc5 27. Kg2 Ra5 28. Na2 Qb6 29. Rxc8+ Bxc8 30. Nc3 Bd7 31. Bd3 Ra8 32. Rb3 Qd4 33. Bxb5 Bxb5 34. Nxb5 Qxb2 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Bauza, Lorenzo"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1955.03.09"]
[PlyCount "182"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Nc6 8. d4 Bd7 9. h3 Rb8 10. b3 a6 11. Bb2 Qc8 12. Kh2 cxd4 13. Nxd4 Nxd4 14. exd4 b5 15. Nd5 Nxd5 16. cxd5 b4 17. Re1 Re8 18. Rc1 Qd8 19. Rc2 Qa5 20. Qf3 Rbc8 21. Rxc8 Bxc8 22. Ra1 Bd7 23. Bf1 Rc8 24. Bc4 Bb5 25. Qd3 Bxc4 26. bxc4 Qb6 27. Rd1 a5 28. Qb3 Qa6 29. Rc1 Qa7 30. Rd1 h5 31. Kg2 Qa8 32. Kh2 Qa7 33. Kg2 Qb7 34. Kh2 a4 35. Qxa4 Rxc4 36. Qb3 Rc8 37. a4 Ra8 38. Rc1 Qa6 39. Qxb4 Qxa4 40. Rc8+ Kh7 41. Qxa4 Rxa4 42. Rc7 Bf6 43. Kg2 Ra5 44. Bc1 Rxd5 45. Be3 g5 46. Kf3 Ra5 47. Rc1 Ra4 48. Rd1 d5 49. Rd3 Kg6 50. Rd1 e6 51. g4 hxg4+ 52. hxg4 Bg7 53. Ke2 Ra2+ 54. Rd2 Rxd2+ 55. Kxd2 Bf8 56. Kd3 Bd6 57. f3 Bf4 58. Bf2 Kf6 59. Be1 Ke7 60. Bb4+ Kd7 61. Bc5 Bd6 62. Bb6 Bb4 63. Ke3 Be7 64. Kd3 Kc6 65. Ba5 Kb5 66. Bd2 Ka4 67. Kc2 Bd8 68. Bc3 Ba5 69. Bb2 Kb4 70. Kd3 Kb3 71. Bc1 Bd8 72. Bd2 Kb2 73. Be3 Be7 74. Bd2 f6 75. Bc3+ Kc1 76. Bd2+ Kd1 77. Ba5 Bd6 78. Bd8 Ke1 79. Bxf6 Bf4 80. Be5 Bxe5 81. dxe5 Kf2 82. f4 gxf4 83. g5 f3 84. g6 Ke1 85. g7 f2 86. g8=Q f1=Q+ 87. Kc3 Qc4+ 88. Kb2 Qe2+ 89. Kc1 Qxe5 90. Qg1+ Ke2 91. Qg2+ Ke3 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "De Greiff, Boris"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "C77"]
[EventDate "1955.03.09"]
[PlyCount "112"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bc2 O-O 8. O-O d5 9. d4 Bg4 10. Nbd2 exd4 11. e5 Nd7 12. h3 dxc3 13. Qd3 g6 14. Qxc3 Nc5 15. b4 d4 16. Qb2 Na4 17. Bxa4 Bxf3 18. Nxf3 bxa4 19. Bh6 Re8 20. b5 axb5 21. Qxb5 Nb4 22. a3 Nd5 23. Qc6 Nc3 24. Bd2 Qd5 25. Qxd5 Nxd5 26. Nxd4 Bf8 27. Nc6 Ra6 28. Rfc1 Rb6 29. Rc4 Re6 30. Nb4 Rxe5 31. Nxd5 Rxd5 32. Be3 Rb3 33. Rxa4 Rdd3 34. Rc4 Rxa3 35. Rxa3 Bxa3 36. Bf4 Bd6 37. Bxd6 cxd6 38. Kf1 Kg7 39. Ke2 Rd5 40. f4 Kf6 41. g4 h5 42. Rc8 Rc5 43. Rd8 Ke7 44. Rh8 Rc3 45. gxh5 Rxh3 46. h6 d5 47. Kf2 d4 48. Kg2 Rh5 49. Ra8 Rxh6 50. Ra4 d3 51. Re4+ Kf6 52. Rd4 Kf5 53. Kg3 Rh1 54. Rxd3 Rg1+ 55. Kf2 Rg4 56. Rd5+ Kxf4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Dodero, Emilio"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "D77"]
[EventDate "1955.03.09"]
[PlyCount "98"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d5 6. Nc3 dxc4 7. O-O Nc6 8. Qa4 Nxd4 9. Nxd4 Qxd4 10. Rd1 Qg4 11. Bf4 c6 12. Qxc4 e5 13. Bf3 Qf5 14. e4 Qh3 15. Bxe5 Ng4 16. Bxg4 Bxg4 17. Bxg7 Bxd1 18. Bxf8 Bf3 19. Qf1 Qxf1+ 20. Kxf1 Kxf8 21. Re1 g5 22. Re3 g4 23. Rd3 b5 24. Rd4 a5 25. Ke1 Re8 26. Kd2 b4 27. Ne2 Bxe4 28. Nf4 Bf3 29. Rd7 Re5 30. Ra7 h5 31. Kd3 h4 32. gxh4 Re4 33. Nh5 Re2 34. Rxa5 Rxf2 35. Ng3 Bd5 36. Ke3 Rxb2 37. Ra8+ Kg7 38. Nh5+ Kh6 39. Rh8+ Kg6 40. Nf4+ Kg7 41. Rh5 Bxa2 42. Nd3 Rb3 43. Kd4 Bb1 44. Nc5 Rh3 45. Rg5+ Kf8 46. Rxg4 Bc2 47. Nd7+ Ke7 48. Ne5 b3 49. Nxc6+ Ke6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Letelier Martner, Rene"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1-0"]
[ECO "C18"]
[EventDate "1955.03.09"]
[PlyCount "93"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 b6 8. h4 Ba6 9. Bxa6 Nxa6 10. Qd3 Nb8 11. h5 h6 12. g4 Nc6 13. Bf4 cxd4 14. cxd4 Na5 15. O-O Ne7 16. Rfd1 Rc8 17. Ne1 Qc4 18. Qf3 Qa4 19. Rd3 Nc4 20. Rb1 Qd7 21. Qg2 Kd8 22. Bg3 Kc7 23. f4 Rcg8 24. Bh4 Nc6 25. Kh1 Rh7 26. Qh3 g6 27. Bf6 Qe8 28. Nf3 Nb8 29. hxg6 fxg6 30. Ng5 Rgh8 31. Bxh8 Rxh8 32. Nf3 g5 33. f5 h5 34. Kg2 exf5 35. gxf5 g4 36. Qh4 gxf3+ 37. Kh2 Qc8 38. f6 Qg8 39. Rg1 Qe6 40. Rg7+ Nd7 41. Rxf3 Kc8 42. Qh3 Nf8 43. f7 Nd2 44. Rf6 Qxh3+ 45. Kxh3 Ne4 46. Rg8 Nxf6 47. exf6 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A07"]
[EventDate "1955.03.09"]
[PlyCount "140"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d3 d5 7. Nbd2 Re8 8. e4 dxe4 9. dxe4 Nfd7 10. Nb3 a5 11. Qe2 a4 12. Nbd4 e5 13. Nc2 Nc5 14. Rd1 Nbd7 15. Bd2 Qc7 16. Bc3 Nf6 17. Nfe1 Bg4 18. f3 Be6 19. Ne3 Nfd7 20. Kh1 Bh6 21. N1c2 f6 22. Qf1 Bg7 23. Bh3 Nf8 24. Bxe6+ Nfxe6 25. Rd2 Rad8 26. Rad1 h5 27. h4 Bh6 28. Kg2 Kf7 29. Qe2 Qb6 30. Rxd8 Rxd8 31. Rxd8 Qxd8 32. Qd1 Nd4 33. Nf1 Nce6 34. Nb4 Qa8 35. a3 Qa7 36. Nd2 Qc5 37. Nd3 Qa7 38. Nb4 Ke7 39. Nb1 Kf7 40. Bd2 Bxd2 41. Qxd2 Qc5 42. Qd3 Qe7 43. Qe3 Qc5 44. Nd2 Kg7 45. Qd3 Qb6 46. Qe3 c5 47. Nd3 Nb3 48. Nf2 Nc1 49. Nd1 Nd4 50. Nf1 Nce2 51. Qd3 g5 52. hxg5 fxg5 53. Nfe3 h4 54. Nf5+ Kg6 55. Nxd4 Nxd4 56. Qe3 Qe6 57. gxh4 gxh4 58. Nf2 Kh5 59. Nh1 Qxc4 60. f4 Qg8+ 61. Kf2 exf4 62. Qxf4 Qg1+ 63. Kxg1 Ne2+ 64. Kf2 Nxf4 65. Ke3 Kg5 66. Nf2 h3 67. Kf3 h2 68. Kg3 Nd3 69. Nh3+ Kf6 70. Kxh2 Ke5 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Pachman, Ludek"]
[Black "Toran Albero, Roman"]
[Result "1-0"]
[ECO "E87"]
[EventDate "1955.03.09"]
[PlyCount "79"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. O-O-O f5 10. exf5 gxf5 11. Bd3 a6 12. Nge2 b5 13. Rdg1 Ra7 14. g4 fxg4 15. fxg4 Nf4 16. Nxf4 exf4 17. Bxf4 bxc4 18. Bf5 Bxf5 19. gxf5 Rxf5 20. Bh6 Kh8 21. Bxg7+ Rxg7 22. Rxg7 Kxg7 23. Rg1+ Kh8 24. Ne4 Qf8 25. Qc3+ Re5 26. Nd2 Qf4 27. Rf1 Qd4 28. Qxd4 cxd4 29. Rf8+ Kg7 30. Rxb8 Re1+ 31. Kc2 d3+ 32. Kc3 Rc1+ 33. Kd4 Rc2 34. Ke3 Kf6 35. Rb4 a5 36. Rxc4 Rxb2 37. Ra4 Rb5 38. Kd4 h5 39. Ra3 Rb4+ 40. Kxd3 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Pilnik, Herman"]
[Black "Flores Alvarez, Rodrigo"]
[Result "0-1"]
[ECO "C77"]
[EventDate "1955.03.09"]
[PlyCount "58"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 g6 7. Nc3 Bg7 8. Nd5 Be6 9. h3 h6 10. Be3 O-O 11. Qd2 Kh7 12. g4 Nd7 13. Bd1 Nd4 14. h4 c6 15. Nc3 f5 16. gxf5 gxf5 17. exf5 Bxf5 18. Rg1 Qe7 19. Be2 b5 20. O-O-O Nc5 21. Bxd4 exd4 22. Ne4 Nxe4 23. dxe4 Qxe4 24. Rxg7+ Kxg7 25. Qxd4+ Kh7 26. Qxe4 Bxe4 27. Nd2 Rxf2 28. Nxe4 Rxe2 29. Nxd6 Rf8 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.10"]
[Round "2"]
[White "Wexler, Bernardo"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E56"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 Bb7 13. dxc5 Qxd3 14. Rxd3 b4 15. axb4 Bxb4 16. Bd2 Bxc5 17. Na4 Be7 18. Rb3 Nd8 19. Bb4 Bxb4 20. Rxb4 a5 21. Rb6 Re8 22. Ne5 Re7 23. Rd1 Bd5 24. Bxd5 Nxd5 25. Rb5 Rb7 26. Rxb7 Nxb7 27. Rc1 f6 28. Nc6 Nd8 29. Nxd8 Rxd8 30. g3 Nb4 31. Rc5 Rd1+ 32. Kg2 Rd2 33. Rxa5 Nd3 34. Ra8+ Kf7 35. Rb8 Rxf2+ 36. Kg1 Re2 37. b4 Rxe3 38. b5 Re4 39. Nb6 Rb4 40. Rb7+ Kg6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Flores Alvarez, Rodrigo"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "E66"]
[EventDate "1955.03.09"]
[PlyCount "76"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. c4 Nc6 7. d5 Na5 8. Qd3 d6 9. Nfd2 a6 10. Nc3 Rb8 11. a4 e6 12. Rb1 Ng4 13. b3 e5 14. h3 Nh6 15. Ba3 b6 16. b4 Nb7 17. bxc5 bxc5 18. Rb3 f5 19. e4 fxe4 20. Ndxe4 Ra8 21. Rfb1 Ra7 22. Rb6 Nf7 23. Bc1 Qe7 24. Be3 Bh6 25. Nxd6 Nbxd6 26. Bxc5 Bf5 27. Be4 Rc7 28. Ba3 Rfc8 29. c5 Rxc5 30. Bxc5 Rxc5 31. Bxf5 gxf5 32. Rc6 Qa7 33. Rbb6 Rxc6 34. Rxc6 a5 35. Nb5 Qb8 36. Qc2 Bf8 37. Qe2 Qd8 38. Nc7 Qb8 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Gligoric, Svetozar"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1955.03.09"]
[PlyCount "70"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bg4 8. Be3 Bxf3 9. Bxf3 Nd7 10. Bg2 e5 11. dxe5 Ncxe5 12. b3 Nxc4 13. bxc4 Bxc3 14. Rc1 Bg7 15. Bxb7 Rb8 16. Bg2 Rb2 17. Rc2 Qb8 18. Qd2 Rxc2 19. Qxc2 Qb4 20. Rb1 Qa5 21. Bd5 Nb6 22. Bf3 c5 23. Bf4 Be5 24. Bxe5 dxe5 25. Rd1 Qa6 26. Bd5 Qc8 27. Qd2 Kg7 28. e4 Qc7 29. Qc3 Rd8 30. Rb1 Rb8 31. Rb3 Na4 32. Qf3 Rxb3 33. axb3 Nb6 34. Qc3 Nd7 35. Qa1 Kf8 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[ECO "E60"]
[EventDate "1955.03.09"]
[PlyCount "70"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. dxc5 dxc5 8. Ne5 Nfd7 9. Nd3 Ne5 10. Nxe5 Bxe5 11. Nc3 Bxc3 12. bxc3 Qa5 13. Bh6 Re8 14. Qc1 Nd7 15. f4 Qa6 16. f5 Ne5 17. fxg6 hxg6 18. Qg5 Ng4 19. Rf4 Nxh6 20. Qxh6 e5 21. Rxf7 Kxf7 22. Qh7+ Kf6 23. Rf1+ Bf5 24. e4 Rh8 25. Qd7 Rad8 26. Qc7 Qb6 27. Qxb6+ axb6 28. exf5 gxf5 29. Be4 f4 30. gxf4 exf4 31. Rxf4+ Ke5 32. Rg4 Rhg8 33. Rxg8 Rxg8+ 34. Bg2 Ra8 35. Kf2 Kf4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1955.03.09"]
[PlyCount "37"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 Nd7 6. Bc4 e6 7. Bf4 e5 8. Qb3 d5 9. Bxd5 Nc5 10. Bxf7+ Ke7 11. Bg5+ Nf6 12. Nd5+ Kxf7 13. Nxe5+ Ke8 14. Nxf6+ Qxf6 15. Qb5+ Bd7 16. Nxd7 Nd3+ 17. Qxd3 Qxg5 18. Nxf8 Rxf8 19. O-O 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D53"]
[EventDate "1955.03.09"]
[PlyCount "43"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e4 dxe4 8. Nxe4 O-O 9. Qd2 b6 10. Be2 Bb7 11. Nxf6+ Qxf6 12. O-O Rd8 13. Qe3 Nd7 14. Rfd1 c5 15. dxc5 Nxc5 16. Ne5 Ne4 17. f4 Nd6 18. Bf3 Nf5 19. Qc3 Qe7 20. Bxb7 Qxb7 21. Qf3 Qxf3 22. Nxf3 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Rossetto, Hector Decio"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "C13"]
[EventDate "1955.03.09"]
[PlyCount "81"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. Bd3 c5 9. c3 cxd4 10. Nxf6+ Qxf6 11. Nxd4 Qe5+ 12. Be2 O-O 13. O-O a6 14. Re1 Qc7 15. Bf3 Nf6 16. Qe2 Bd7 17. Rac1 Rfd8 18. h3 Rac8 19. Qe5 Qxe5 20. Rxe5 Rc7 21. Rce1 Bc8 22. Nb3 b6 23. Rd1 Rxd1+ 24. Bxd1 Bb7 25. a4 Rd7 26. Be2 Rd6 27. Re3 a5 28. Nd4 Nd7 29. Bb5 Nc5 30. f4 g6 31. g4 h6 32. f5 exf5 33. Re8+ Kg7 34. gxf5 Be4 35. fxg6 Rxg6+ 36. Kf2 Ne6 37. Nxe6+ Rxe6 38. Ke3 Bg2+ 39. Rxe6 fxe6 40. h4 e5 41. b4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Szabo, Laszlo"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "A54"]
[EventDate "1955.03.09"]
[PlyCount "55"]

1. c4 Nf6 2. Nf3 d6 3. d4 Nbd7 4. g3 e5 5. Bg2 c6 6. Nc3 e4 7. Nd2 d5 8. f3 exf3 9. exf3 dxc4 10. Nxc4 Nb6 11. Ne5 Be7 12. O-O O-O 13. Be3 Nfd5 14. Bf2 Nxc3 15. bxc3 Be6 16. a4 Rc8 17. f4 Bd5 18. Bh3 f5 19. Qe2 Bd6 20. a5 Nd7 21. c4 Be6 22. Bg2 Re8 23. a6 b5 24. cxb5 cxb5 25. Qxb5 Nb6 26. d5 Bxe5 27. Bxb6 axb6 28. fxe5 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.11"]
[Round "3"]
[White "Toran Albero, Roman"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E50"]
[EventDate "1955.03.09"]
[PlyCount "46"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Qb3 Nc6 9. dxc5 Bxc5 10. Rd1 Rc8 11. Qc2 Qc7 12. a3 Be7 13. b3 d5 14. Nb5 Qb8 15. Bb2 h6 16. Nbd4 dxc4 17. Nxc6 Bxc6 18. bxc4 Ng4 19. h3 Bxf3 20. Bxf3 Qh2+ 21. Kf1 Ne5 22. Rd4 b5 23. Rf4 Nxc4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Bauza, Lorenzo"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1955.03.09"]
[PlyCount "60"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 b6 7. O-O Bb7 8. Nbd2 Nfd7 9. c3 e5 10. Bh2 Qe7 11. b4 Nc6 12. Nb3 f5 13. Re1 Nd8 14. a4 Nf7 15. a5 g5 16. Nfd2 Nh6 17. Bf3 e4 18. Be2 Kh8 19. f3 f4 20. Nxe4 d5 21. Nf2 fxe3 22. Ng4 Nxg4 23. hxg4 Rf6 24. axb6 cxb6 25. Ba6 Bxa6 26. Rxa6 h5 27. Qd3 hxg4 28. Qxe3 Qxe3+ 29. Rxe3 gxf3 30. gxf3 Rf7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "De Greiff, Boris"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1955.03.09"]
[PlyCount "112"]

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. a4 b6 11. Qe1 Bb7 12. Kh1 Qc7 13. fxe5 dxe5 14. Bg5 Nc5 15. Nd2 Nxd3 16. cxd3 Ne8 17. Bxe7 Qxe7 18. Nc4 Rd8 19. Qe3 Qc5 20. Rf3 Nd6 21. Nxb6 Qb4 22. Qf2 f5 23. Nbd5 Bxd5 24. Nxd5 Qb7 25. Rf1 Rfe8 26. Qh4 Rd7 27. Rh3 h6 28. Rg3 Kh7 29. Qh5 Rf8 30. Qg6+ Kh8 31. b4 Qc6 32. Ne3 Rf6 33. Qh5 f4 34. Ng4 fxg3 35. Nxf6 Rf7 36. hxg3 Rxf6 37. Rxf6 Qc1+ 38. Kh2 gxf6 39. Qg6 Qg5 40. Qxg5 hxg5 41. g4 Kg8 42. Kg3 Kf7 43. Kf3 Ke7 44. Ke3 Kd7 45. Kd2 Kc6 46. Kc3 a5 47. bxa5 Nf7 48. Kc4 Nh6 49. d4 Nf7 50. d5+ Kc7 51. d6+ Kc6 52. d7 Nd6+ 53. Kb4 Kxd7 54. Kc5 Nxe4+ 55. Kb6 Kc8 56. a6 Kb8 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Dodero, Emilio"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "D38"]
[EventDate "1955.03.09"]
[PlyCount "92"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. cxd5 exd5 9. Ne5 O-O 10. Nxc6 Bxc3+ 11. bxc3 Bd7 12. e3 a6 13. Be2 Bxc6 14. Qb3 Rad8 15. O-O Rd6 16. Rfe1 Re8 17. Rad1 Qg5 18. Bd3 h5 19. Qc2 Rde6 20. Qe2 Bd7 21. Rb1 Bc8 22. Rec1 h4 23. c4 h3 24. g3 c6 25. c5 R8e7 26. Re1 Rh6 27. Qf1 Bg4 28. Be2 Bf5 29. Bd3 Bxd3 30. Qxd3 Qg4 31. Qe2 Qe4 32. f3 Qf5 33. Rb3 Rf6 34. f4 Rfe6 35. Qf2 Re4 36. Reb1 Rxe3 37. Rxb7 Rxb7 38. Rxb7 Qd3 39. Rb8+ Kh7 40. Qf1 Qf5 41. Qb1 Qxb1+ 42. Rxb1 Re2 43. Rb6 Rg2+ 44. Kf1 Rxh2 45. Rxc6 Rh1+ 46. Kf2 Rd1 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "0-1"]
[ECO "D89"]
[EventDate "1955.03.09"]
[PlyCount "88"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 O-O 9. O-O cxd4 10. cxd4 Nc6 11. Be3 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Kh1 Bd7 17. e5 Rc8 18. Bh6 Re8 19. Nf4 Nc4 20. e6 Ba4 21. Qe1 Ne5 22. Qg3 Qd6 23. Be4 Bc2 24. h4 Kh8 25. Nh5 Rg8 26. Nxf6 exf6 27. Bf4 b5 28. Re1 Rg7 29. Rc1 Rgc7 30. Bxe5 fxe5 31. Bxc2 Rxc2 32. Rxc2 Rxc2 33. Qg5 Rc7 34. h5 gxh5 35. Qf6+ Rg7 36. Qf5 a5 37. Qxh5 Qxd5 38. Qe8+ Rg8 39. Qf7 Qd1+ 40. Kh2 Qd6 41. Qf6+ Rg7 42. g4 e4+ 43. f4 Qd2+ 44. Kg1 Qe1+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Letelier Martner, Rene"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Bd7 8. O-O-O Nc6 9. Be2 Be7 10. g4 Qa5 11. h4 Nxd4 12. Rxd4 h6 13. Bd2 e5 14. Rd3 Bxg4 15. Qe3 Bxe2 16. Qxe2 Qc7 17. h5 Rc8 18. Kb1 b5 19. Rc1 Qc4 20. b3 Qc6 21. Rg3 Bf8 22. f4 Qb7 23. Rd3 Be7 24. Nd5 Nxd5 25. Rxd5 O-O 26. Qg4 Kh8 27. fxe5 dxe5 28. Rg1 Rg8 29. Rd7 Qc6 30. c3 Bg5 31. Bxg5 hxg5 32. Rd3 f6 33. h6 g6 34. Rf1 Rcd8 35. Rfd1 Rxd3 36. Rxd3 Qc8 37. Qd1 g4 38. Kc2 f5 39. Rd7 Qc6 40. exf5 gxf5 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Pachman, Ludek"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B24"]
[EventDate "1955.03.09"]
[PlyCount "38"]

1. e4 c5 2. Nc3 d6 3. d3 Nc6 4. g3 Nf6 5. Bg2 Bg4 6. Nge2 Nd4 7. O-O Nf3+ 8. Kh1 h5 9. h3 e5 10. Nd5 Nxd5 11. exd5 Qd7 12. Nc3 Qf5 13. Be3 h4 14. Ne4 Be7 15. c4 hxg3 16. fxg3 Rxh3+ 17. Bxh3 Qh5 18. Qa4+ Kf8 19. Rxf3 Qxh3+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Pilnik, Herman"]
[Black "Toran Albero, Roman"]
[Result "1/2-1/2"]
[ECO "B45"]
[EventDate "1955.03.09"]
[PlyCount "84"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qxd1+ 12. Kxd1 Bd7 13. Be3 f5 14. Bd3 Ne5 15. Be2 Bc6 16. f3 Kf7 17. Ke1 Rhd8 18. Kf2 h6 19. Rhd1 a6 20. b3 g5 21. h4 f4 22. Bd4 Ng6 23. hxg5 hxg5 24. Bb6 Rxd1 25. Rxd1 Rc8 26. c4 Rh8 27. Kg1 Ne7 28. Rd8 Rxd8 29. Bxd8 e5 30. b4 b5 31. Kf2 Ke6 32. Bc7 Nf5 33. Bd8 Ne3 34. cxb5 Bxb5 35. Bxg5 Bxe2 36. Kxe2 Nc2 37. Kd3 Nxa3 38. Bh4 Kd5 39. g3 fxg3 40. Bxg3 Nb5 41. Bf2 Nd6 42. Bg1 Nf5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.13"]
[Round "4"]
[White "Wexler, Bernardo"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "E53"]
[EventDate "1955.03.09"]
[PlyCount "68"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7 8. a3 Ba5 9. Qc2 a6 10. Rd1 cxd4 11. exd4 dxc4 12. Bxc4 b5 13. Ba2 Qc7 14. b4 Bb6 15. Bb2 Bb7 16. Qe2 Qf4 17. Rd3 Rae8 18. Re1 e5 19. Bc1 Qf5 20. Qd1 exd4 21. Ne2 Ne5 22. Nxe5 Rxe5 23. Rf1 Rd8 24. Bb1 Qg4 25. f3 Qe6 26. Ng3 Re8 27. Bd2 h5 28. f4 Qc6 29. Rdf3 d3+ 30. Kh1 Rd5 31. Re1 h4 32. Nf1 Ng4 33. Ne3 Nxe3 34. Bxe3 Bxe3 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Flores Alvarez, Rodrigo"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "C02"]
[EventDate "1955.03.09"]
[PlyCount "72"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. Bd3 cxd4 8. cxd4 Bd7 9. Bc2 f6 10. O-O fxe5 11. dxe5 Bc5 12. Nc3 Nd8 13. Ng5 g6 14. Na4 Qc7 15. Nxc5 Qxc5 16. Be3 Qf8 17. Rc1 Ne7 18. f4 h6 19. Nf3 Nf5 20. Bxf5 gxf5 21. Nd4 Qg7 22. Rf3 Rg8 23. Rg3 Qf7 24. Rh3 Rg6 25. Rc3 Qg7 26. Qe2 Kf8 27. Bd2 Rc8 28. Rcg3 Rc4 29. Bc3 Nc6 30. Rxg6 Qxg6 31. Rg3 Nxd4 32. Bxd4 Rc1+ 33. Kf2 Qe8 34. Qd2 Qc8 35. Rc3 Rxc3 36. Bxc3 Qc5+ 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Pachman, Ludek"]
[Result "0-1"]
[ECO "A32"]
[EventDate "1955.03.09"]
[PlyCount "98"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Bb4 6. Bd2 O-O 7. e3 Nc6 8. Nxc6 bxc6 9. Be2 d5 10. O-O Qe7 11. Qa4 Bd7 12. cxd5 cxd5 13. Bb5 Bxb5 14. Qxb5 Bd6 15. Qa4 Rab8 16. Nb5 Qd7 17. Nc3 Rxb2 18. Rfd1 Qc7 19. Be1 Rb4 20. Qa6 Bxh2+ 21. Kf1 Be5 22. Rac1 Rc4 23. Nb5 Qc5 24. Rb1 Bb8 25. Nd4 h5 26. Qb7 Qc7 27. g3 Ne4 28. Qxc7 Bxc7 29. Rb7 Bb6 30. Nb5 Ra4 31. a3 Rc8 32. f3 Nc5 33. Re7 Kf8 34. Rxf7+ Kxf7 35. Nd6+ Kg6 36. Nxc8 Rxa3 37. Kf2 Ra2+ 38. Kf1 Nd7 39. Nxb6 Nxb6 40. Rc1 Nc4 41. Rc3 Ra3 42. Ke2 Rxc3 43. Bxc3 Kf7 44. Kd3 g5 45. Be1 Ne5+ 46. Ke2 Kg6 47. Bc3 Kf5 48. Be1 g4 49. f4 Nf3 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Ivkov, Borislav"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "C90"]
[EventDate "1955.03.09"]
[PlyCount "51"]

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. Nbd2 O-O 12. Nf1 Bd7 13. Ne3 Rfc8 14. dxe5 dxe5 15. Nd5 Qd6 16. Nxf6+ gxf6 17. Qe2 b4 18. Nh4 Kh8 19. Qh5 Rg8 20. Nf5 Bxf5 21. exf5 Rad8 22. Re4 Rg7 23. Bh6 Rdg8 24. Bxg7+ Rxg7 25. Rd1 Qc6 26. Rg4 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D54"]
[EventDate "1955.03.09"]
[PlyCount "79"]

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 Qb4+ 12. Qd2 Qxd2+ 13. Kxd2 c6 14. Nf3 Bb7 15. Ne5 Rc8 16. b4 a5 17. b5 c5 18. a4 Re8 19. Bg4 Rxe5 20. dxe5 Kf8 21. f4 Ke7 22. Rhd1 Nd7 23. Ke2 Rd8 24. Rd2 Nf8 25. Rcd1 Ne6 26. Bf3 Nc7 27. h4 g5 28. hxg5 hxg5 29. f5 Rh8 30. g4 f6 31. e6 Kd6 32. Rh1 Rxh1 33. Bxh1 c4 34. Bxd5 c3 35. Bxb7+ cxd2 36. Kxd2 Ke7 37. Bc6 Kd6 38. Kd3 Ke7 39. Kd4 Kd6 40. e4 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Panno, Oscar"]
[Black "Bauza, Lorenzo"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1955.03.09"]
[PlyCount "85"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 b6 8. Bd3 Bb7 9. O-O Rc8 10. Bb2 c5 11. Qe2 O-O 12. cxd5 cxd4 13. Nxd4 Nxd5 14. Nxd5 Bxd5 15. Rad1 Qc7 16. e4 Bb7 17. Nb5 Qf4 18. Nxa7 Ra8 19. Nb5 Rxa2 20. Bb1 Rxb2 21. Qxb2 Ne5 22. Nd4 Ba6 23. Rfe1 Ng4 24. Nf3 Bb4 25. h3 Bxe1 26. Rxe1 Nf6 27. e5 Nh5 28. Re4 Qh6 29. Rb4 Bb7 30. Be4 Bxe4 31. Rxe4 Nf4 32. Rc4 Nd5 33. Nd4 Qg5 34. Ne2 h6 35. Ng3 f5 36. exf6 Qxf6 37. Qxf6 Rxf6 38. Rc6 e5 39. Rc8+ Rf8 40. Rc6 Rf6 41. Rc1 Nf4 42. Rc4 Rd6 43. Ne4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Rossetto, Hector Decio"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1955.03.09"]
[PlyCount "104"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. O-O-O Nbd7 9. Rg1 Qc7 10. g4 b5 11. a3 Bb7 12. Bxf6 Nxf6 13. g5 Nd7 14. Qh5 g6 15. Qe2 O-O-O 16. Rg3 Kb8 17. Kb1 Nb6 18. f4 e5 19. fxe5 dxe5 20. Nb3 Rxd1+ 21. Qxd1 Rd8 22. Qf3 Rf8 23. Rh3 Bxg5 24. Rxh7 Bf4 25. h4 Qd6 26. Qd3 Qxd3 27. Bxd3 Nd7 28. h5 Nf6 29. hxg6 Nxh7 30. gxh7 Rh8 31. Nc5 Bc8 32. Nd5 Rxh7 33. a4 bxa4 34. Nxa6+ Bxa6 35. Bxa6 Bd2 36. Bd3 Kb7 37. Ka2 Kc6 38. Ne7+ Kc5 39. Nf5 f6 40. Ng3 Rh3 41. Nf5 Bc1 42. Kb1 a3 43. bxa3 Bxa3 44. Ka2 Bc1 45. Kb3 Bd2 46. Kb2 Kb4 47. Ne7 Bc3+ 48. Ka2 Bd4 49. Nd5+ Ka4 50. Nxf6 Rh1 51. c3 Rh2+ 52. Kb1 Kb3 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Szabo, Laszlo"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1955.03.09"]
[PlyCount "44"]

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 Nd7 12. Nf1 Bf6 13. d4 cxd4 14. cxd4 Nb6 15. b3 Nc6 16. d5 Nb8 17. Bd3 N8d7 18. Bd2 Nc5 19. Ba5 Nb7 20. Bd2 Nc5 21. Ba5 Nb7 22. Bd2 Nc5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.14"]
[Round "5"]
[White "Toran Albero, Roman"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "A89"]
[EventDate "1955.03.09"]
[PlyCount "67"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 d6 7. d4 Nc6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Qe7 11. Nd5 Nxd5 12. cxd5 Nb4 13. Qb3 Qd6 14. Nd2 b5 15. a3 Na6 16. Qxb5 Rb8 17. Qa5 e4 18. Nc4 Qc5 19. Qa4 Qb5 20. Qxb5 Rxb5 21. Bg5 Rb3 22. f3 h6 23. Be3 Bd7 24. Bxa7 Bb5 25. Rac1 Ra8 26. Bd4 e3 27. f4 Bxd4 28. Rxd4 Rd8 29. Rd3 Nc5 30. Rdc3 Rxc3 31. Rxc3 Na4 32. Rc2 Bxc4 33. Rxc4 Nb6 34. Rxc7 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Bauza, Lorenzo"]
[Black "Toran Albero, Roman"]
[Result "0-1"]
[ECO "D05"]
[EventDate "1955.03.09"]
[PlyCount "135"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. Re1 d5 7. b3 O-O 8. Bb2 Nbd7 9. Nbd2 Ne4 10. Nf1 a5 11. a4 f5 12. N3d2 Bd6 13. f3 Nxd2 14. Qxd2 e5 15. e4 fxe4 16. fxe4 exd4 17. Bxd4 c5 18. e5 Bc7 19. e6 cxd4 20. e7 Rxf1+ 21. Bxf1 Qe8 22. Bb5 Qh5 23. g3 Nf6 24. Qe2 Qxe2 25. Rxe2 Kf7 26. Rf1 Re8 27. g4 h6 28. h4 Rxe7 29. g5 Rxe2 30. Bxe2 Be5 31. Bd3 Bc8 32. gxf6 Bxf6 33. h5 Bg4 34. Bg6+ Ke7 35. Kg2 Be5 36. Rf7+ Kd6 37. Kf2 d3 38. cxd3 Bd1 39. Rb7 Kc6 40. Re7 Kd6 41. Rb7 Kc5 42. Ke3 Bxb3 43. Be8 Bd4+ 44. Kd2 Kb4 45. Rf7 Bc3+ 46. Kc1 Bd4 47. Kd2 Bc3+ 48. Kc1 Be5 49. Re7 Bd4 50. Bb5 Bxa4 51. Bxa4 Kxa4 52. Rd7 Kb4 53. Kc2 Kc5 54. Ra7 Kd6 55. Ra8 Ke6 56. Kb3 Bf6 57. Rb8 a4+ 58. Kxa4 Kf5 59. Rxb6 Kg4 60. Rd6 Kxh5 61. Rxd5+ Kg4 62. Rc5 h5 63. d4 h4 64. d5 h3 65. d6 h2 66. Rc1 Kh3 67. d7 g5 68. Rf1 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "De Greiff, Boris"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1955.03.09"]
[PlyCount "146"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. d4 Bd7 7. Bg2 Qc8 8. O-O Bh3 9. Nbd2 Bxg2 10. Kxg2 e5 11. dxe5 Nfd7 12. Qc2 dxe5 13. Rad1 Nc6 14. h4 Re8 15. h5 Nd4 16. Bxd4 exd4 17. hxg6 hxg6 18. c5 b6 19. c6 Nf8 20. Qc4 Qg4 21. Rh1 Bf6 22. e4 Rad8 23. Rde1 Qe6 24. e5 Qxc4 25. Nxc4 Be7 26. a4 d3 27. Rd1 Ne6 28. Nb2 Nc5 29. b4 Na6 30. Nxd3 Bxb4 31. Nxb4 Nxb4 32. Rxd8 Rxd8 33. Rh4 a5 34. Rd4 Rc8 35. Rc4 Re8 36. Nd4 Rxe5 37. Nb5 Re7 38. Rc1 Kf8 39. Rd1 Ke8 40. Na7 Re6 41. Rc1 Kf8 42. Rc4 Kg7 43. f4 f5 44. Kf3 Kf6 45. Nb5 Na6 46. g4 Re7 47. gxf5 gxf5 48. Rc1 Rh7 49. Re1 Nc5 50. Re8 Ne6 51. Rc8 Rh3+ 52. Kf2 Rh2+ 53. Ke3 Ra2 54. Nxc7 Ra3+ 55. Kf2 Nxc7 56. Rxc7 Rxa4 57. Rb7 Rxf4+ 58. Ke3 Rc4 59. Rxb6 Kg5 60. Ra6 Kg4 61. Rxa5 f4+ 62. Kf2 Rc2+ 63. Kg1 Kg3 64. Rg5+ Kf3 65. Ra5 Rc1+ 66. Kh2 Rxc6 67. Ra3+ Kg4 68. Kg2 Rc2+ 69. Kf1 Rb2 70. Rc3 Rh2 71. Kg1 Re2 72. Kf1 Rb2 73. Ra3 f3 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Dodero, Emilio"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Qc2 c6 8. Rd1 Qc7 9. h3 a6 10. Bf4 b5 11. e4 Bb7 12. c5 Nh5 13. Be3 dxc5 14. dxc5 Rfd8 15. Nc3 a5 16. Rd2 Bf8 17. Rad1 e5 18. Ne2 Be7 19. Nc1 Ng7 20. Ng5 h6 21. Nf3 Ne6 22. Nd3 Kg7 23. a3 a4 24. Qc3 f6 25. h4 Ndf8 26. Bh3 h5 27. Nb4 Rxd2 28. Rxd2 Bc8 29. Kg2 Bd7 30. Rd3 Be8 31. Nc2 Qa7 32. Bxe6 Nxe6 33. Nxe5 Bxc5 34. Nf3 Bxe3 35. Nxe3 Qc5 36. Ng5 Qe7 37. Nxe6+ Qxe6 38. Qd4 Kf7 39. f3 Rc8 40. Qa7+ Qe7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Gligoric, Svetozar"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "D25"]
[EventDate "1955.03.09"]
[PlyCount "75"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Nfd7 8. Be2 Nc6 9. e4 Nb6 10. d5 Ne5 11. Nxe5 Bxe5 12. a4 a5 13. Bh6 Re8 14. f4 Bh8 15. f5 Nd7 16. Qe1 c6 17. Qf2 Bf6 18. Be3 Rf8 19. Rac1 Bg7 20. Qg3 Be5 21. Qh3 Nf6 22. Rfd1 Qe8 23. Bh6 cxd5 24. Nxd5 Nxe4 25. Bb5 Qd8 26. Qh4 Nf6 27. Nxf6+ Bxf6 28. Rxd8 Rxd8 29. Bg5 Bxb2 30. fxg6 hxg6 31. Rf1 Be6 32. Bxe7 Rd2 33. Bg5 Rd4 34. Qf2 Rd5 35. Qxb2 Rxg5 36. Qf6 Rd5 37. Qe7 Rc8 38. Be8 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "E64"]
[EventDate "1955.03.09"]
[PlyCount "78"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. d5 d6 6. Nc3 O-O 7. Bg2 Na6 8. Nd2 Rb8 9. Rb1 Bf5 10. e4 Bg4 11. f3 Bd7 12. O-O Nc7 13. h3 Nh5 14. Kh2 e5 15. Ne2 f5 16. b3 Ne8 17. g4 Nf4 18. Nxf4 exf4 19. Bb2 Rf7 20. Bxg7 Nxg7 21. Qe2 Qf6 22. Rbe1 Re8 23. Qf2 fxg4 24. fxg4 h5 25. Bf3 Re5 26. Rg1 Kf8 27. Rg2 hxg4 28. hxg4 Ne8 29. Rh1 Ree7 30. Kg1 Rh7 31. Rgh2 Kg8 32. Qg2 Qg5 33. Nf1 Nf6 34. Rxh7 Rxh7 35. Rxh7 Nxh7 36. Qh3 Kg7 37. Nh2 Qf6 38. Qf1 Ng5 39. Qf2 Nh3+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Letelier Martner, Rene"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1/2-1/2"]
[ECO "A32"]
[EventDate "1955.03.09"]
[PlyCount "41"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bxf6 Bxc3+ 8. bxc3 Qxf6 9. e3 O-O 10. Be2 Na6 11. Nb5 Nc5 12. Qd4 b6 13. Bf3 Bb7 14. Qxf6 gxf6 15. Nd6 Bc6 16. Ke2 Rfd8 17. Rhd1 Kf8 18. Rd4 Ke7 19. Rad1 Rab8 20. Ke1 Rg8 21. Ke2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Pachman, Ludek"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "A21"]
[EventDate "1955.03.09"]
[PlyCount "124"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e3 Ne7 6. Nge2 c6 7. d4 O-O 8. O-O Na6 9. b3 exd4 10. Nxd4 Nf5 11. Nde2 Re8 12. Qd2 Nc5 13. Rd1 h5 14. Bb2 Bh6 15. Nf4 a5 16. e4 Ng7 17. Qxd6 Qxd6 18. Rxd6 a4 19. b4 Nd7 20. Bc1 Bg5 21. Nxh5 Be7 22. Nxg7 Kxg7 23. Rd1 Bxb4 24. Ne2 Ne5 25. Bb2 a3 26. Bd4 f6 27. Rac1 Bg4 28. Bxe5 fxe5 29. Bf1 Bc5 30. Rd2 Rf8 31. Nc3 Rf7 32. h3 Be6 33. Kg2 Rh8 34. h4 Rhf8 35. Rcc2 Bg4 36. Kg1 Be3 37. fxe3 Rxf1+ 38. Kg2 Re1 39. Rf2 Rxe3 40. Rxf8 Kxf8 41. Kf2 Rf3+ 42. Kg2 Rd3 43. Kf2 Ke7 44. Nb1 Rf3+ 45. Kg2 b6 46. Rd2 Ke6 47. c5 bxc5 48. Rc2 Rd3 49. Kf2 c4 50. Rxc4 Rf3+ 51. Kg2 Rb3 52. Nc3 Rb2+ 53. Kf1 Kd6 54. Ke1 Be6 55. Ra4 Kc5 56. Ne2 Rxa2 57. Nc1 Kb5 58. Ra8 Rc2 59. Kd1 Rc3 60. Ne2 Rf3 61. Kd2 a2 62. Rb8+ Kc5 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.15"]
[Round "6"]
[White "Wexler, Bernardo"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[ECO "A96"]
[EventDate "1955.03.09"]
[PlyCount "77"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 a5 8. Qd3 Qe8 9. e4 fxe4 10. Nxe4 Qh5 11. Bd2 e5 12. dxe5 dxe5 13. Bc3 Nc6 14. Nxf6+ Bxf6 15. Qd5+ Kh8 16. Rfe1 Re8 17. Re3 Bg4 18. Rae1 Red8 19. Qc5 a4 20. h3 Bxh3 21. Bxh3 Qxh3 22. Nxe5 Bxe5 23. Bxe5 Qd7 24. Bc3 Rg8 25. Qh5 Raf8 26. Re4 Qd3 27. Rh4 Qf5 28. Qxf5 Rxf5 29. Re6 Rd8 30. Reh6 Kg8 31. Rxh7 Rd7 32. Rh8+ Kf7 33. Re4 Ne7 34. Rh7 Rg5 35. Kg2 Kg8 36. Rh1 Nf5 37. Rhe1 Kf7 38. Rf4 Kg8 39. Re5 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Flores Alvarez, Rodrigo"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1955.03.09"]
[PlyCount "48"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. O-O-O Bd7 9. Be2 Nc6 10. h4 Qc7 11. h5 h6 12. Be3 b5 13. Bxb5 axb5 14. Ndxb5 Qb8 15. e5 Nd5 16. Nxd5 exd5 17. Qxd5 O-O 18. exd6 Nb4 19. Qb3 Nxa2+ 20. Kb1 Bf6 21. Nd4 Bxd4 22. Qxb8 Nc3+ 23. Kc1 Bxe3+ 24. fxe3 Na2+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Ivkov, Borislav"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. e3 Nbd7 7. Nge2 e5 8. O-O Re8 9. b3 h5 10. Ba3 h4 11. Rc1 hxg3 12. hxg3 Ng4 13. Bf3 Ndf6 14. Rc2 e4 15. Bg2 Bf5 16. Nf4 Bh6 17. Re2 Nh7 18. Bc1 Ng5 19. Ree1 Nf6 20. Ncd5 Nfh7 21. Nc3 c6 22. Bd2 Qd7 23. f3 exf3 24. Bxf3 Nxf3+ 25. Qxf3 Ng5 26. Qh1 Bg7 27. Qh4 Ne4 28. Nxe4 Rxe4 29. Kf2 f6 30. Qh1 Rae8 31. g4 Bxg4 32. Nxg6 f5 33. Nf4 Qe7 34. Qh2 Qg5 35. Rh1 Kf7 36. d5 cxd5 37. Nxd5 Rd4 38. Bc1 Rxd5 39. cxd5 Qf6 40. Qh4 Qc3 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "A15"]
[EventDate "1955.03.09"]
[PlyCount "81"]

1. c4 Nf6 2. Nf3 d6 3. g3 Bg4 4. Bg2 Nbd7 5. h3 Bxf3 6. Bxf3 c6 7. Bg2 d5 8. cxd5 cxd5 9. d4 e6 10. Nc3 Bd6 11. O-O Rc8 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Rc7 15. d5 e5 16. Be3 O-O 17. Qd3 h6 18. b4 b6 19. a3 Qe7 20. Rfc1 Rfc8 21. Rc6 Nf6 22. Rac1 Nxe4 23. Qxe4 Rd8 24. Rxc7 Bxc7 25. Rc6 Qd7 26. g4 Bd6 27. Kg2 f6 28. Qc4 Kh8 29. f3 Rf8 30. Qe4 f5 31. gxf5 Rf6 32. a4 Kh7 33. f4 exf4 34. Bd4 f3+ 35. Kf2 Rf7 36. f6+ g6 37. Qe6 Bxb4 38. Kxf3 h5 39. h4 Bf8 40. Be5 Bc5 41. Rc7 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "D57"]
[EventDate "1955.03.09"]
[PlyCount "113"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. Be2 Nc6 13. O-O Rd6 14. Nd2 Na5 15. Qb4 b6 16. Rfe1 Bf5 17. c4 dxc4 18. Nxc4 Nxc4 19. Qxc4 c5 20. dxc5 Rc6 21. Bf3 Rxc5 22. Qxc5 bxc5 23. Bxa8 Bd3 24. Bf3 c4 25. Be2 Qa3 26. Rad1 Qc3 27. Bf1 a5 28. Rc1 Qa3 29. Bxd3 cxd3 30. Red1 Kh7 31. Rc4 Qxa2 32. Rd4 a4 33. R4xd3 a3 34. R3d2 Qb3 35. Ra1 h5 36. Rda2 h4 37. Rxa3 Qd5 38. h3 Qd2 39. Ra4 g5 40. Ra7 Kg6 41. Rb7 Qe2 42. Rc1 Qa6 43. Rbc7 Qe2 44. R7c6+ Kg7 45. Rd6 Qb5 46. Rcd1 Qe2 47. Rb1 Qa2 48. Rbd1 Qc2 49. R6d2 Qc3 50. Rd5 Kg6 51. Rd6+ Kg7 52. Rb1 Qa3 53. Rd5 Kg6 54. Rb6+ f6 55. Rd1 Qc3 56. Re6 Qb3 57. Rdd6 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Pilnik, Herman"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "C76"]
[EventDate "1955.03.09"]
[PlyCount "130"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O g6 7. d4 Bg7 8. dxe5 dxe5 9. Bg5 Nf6 10. Nbd2 Qe7 11. b4 O-O 12. Bb3 h6 13. Be3 Rfd8 14. Qc2 Be6 15. Rfd1 Nh5 16. g3 Rd7 17. Kg2 Rad8 18. Nf1 Qf6 19. Ng1 Bxb3 20. Qxb3 Rxd1 21. Rxd1 Rxd1 22. Qxd1 Qe6 23. Qd2 Nf6 24. f3 Kh7 25. Bf2 Qd7 26. Qc2 b5 27. a4 Nd8 28. axb5 axb5 29. Ne2 Ne6 30. h4 h5 31. Nc1 Bh6 32. Nd3 Qd6 33. c4 c6 34. c5 Qc7 35. Qa2 Nd7 36. Be1 Nd8 37. Bc3 f6 38. g4 hxg4 39. fxg4 Nf8 40. g5 Qd7 41. Nf2 Bg7 42. gxf6 Bxf6 43. Nh2 Nf7 44. Nf3 Ne6 45. Bd2 Kg7 46. Be3 Nf4+ 47. Bxf4 exf4 48. Qe2 Ne5 49. Nxe5 Bxe5 50. Nd3 Qd4 51. Qf3 Qc3 52. Kh3 Qa1 53. Nxe5 Qxe5 54. Kg4 Qd4 55. Qxf4 Qg1+ 56. Qg3 Qd1+ 57. Qf3 Qg1+ 58. Kh3 Qe1 59. e5 Qxe5 60. Qxc6 Qc3+ 61. Kg2 Qd2+ 62. Kf3 Qc3+ 63. Kg2 Qd2+ 64. Kh3 Qc3+ 65. Kh2 Qe5+ 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Rossetto, Hector Decio"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1955.03.09"]
[PlyCount "83"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. Nbd2 O-O 6. c3 Nc6 7. Qb3 e5 8. O-O Qe7 9. Ne4 Nh5 10. dxe5 dxe5 11. Bb5 Be6 12. Qc2 Bd5 13. c4 Nb4 14. Qb1 Bxe4 15. Qxe4 c6 16. Ba4 f5 17. Qb1 e4 18. Ne1 Rad8 19. a3 Nd3 20. Nxd3 exd3 21. Bd2 f4 22. Bd1 Bh6 23. exf4 Bxf4 24. Bb4 Qh4 25. h3 Rf5 26. Bg4 Bc7 27. Qe1 Re5 28. Qd2 Nf6 29. g3 Ne4 30. gxh4 Nxd2 31. Bxd2 h5 32. Bf3 Rf5 33. Be4 Rf7 34. Rad1 Rd4 35. f3 Rxc4 36. Bc3 Bb6+ 37. Kh1 Rf4 38. Bxd3 Ra4 39. Bc2 Ra6 40. Rd7 Rxh4 41. Re1 Rf4 42. Re8+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1955.03.09"]
[PlyCount "50"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c6 6. O-O d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 e6 10. f4 Bd7 11. Be3 Rc8 12. Kh1 Ne8 13. Rc1 Nd6 14. Bf2 Qe7 15. Qb3 Rfd8 16. Rfd1 Be8 17. Qa3 Nf5 18. Qxe7 Ncxe7 19. g4 Nd6 20. Bh4 Kf8 21. b3 Nb5 22. Nxb5 Bxb5 23. Bf1 f6 24. Nf3 b6 25. Kg1 Rxc1 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.18"]
[Round "7"]
[White "Toran Albero, Roman"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "C19"]
[EventDate "1955.03.09"]
[PlyCount "42"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. Be2 b6 9. O-O Ba6 10. a4 Bxe2 11. Qxe2 Nd7 12. Ba3 Rc8 13. dxc5 bxc5 14. c4 dxc4 15. Rfe1 Ng6 16. Bb2 Rb8 17. Bc3 Nb6 18. a5 Nd5 19. Qxc4 Nxc3 20. Qxc3 O-O 21. Ra4 Rfd8 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Bauza, Lorenzo"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D60"]
[EventDate "1955.03.09"]
[PlyCount "97"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 dxc4 7. e3 a6 8. Bxc4 b5 9. Bb3 Bb7 10. O-O Nbd7 11. Rc1 O-O 12. Bc2 c5 13. dxc5 Nxc5 14. Qxd8 Rfxd8 15. Rfd1 Kf8 16. Nd4 Rac8 17. a3 Ncd7 18. Bb3 Nb6 19. f3 Nc4 20. Bxc4 Rxc4 21. Nce2 g6 22. e4 e5 23. Nb3 Rxd1+ 24. Rxd1 Rc2 25. Rd2 Rxd2 26. Nxd2 Bc8 27. Nc1 g5 28. Bg3 Nd7 29. Nd3 f6 30. Bf2 Kf7 31. b4 Bd8 32. Nb3 Nb6 33. Bxb6 Bxb6+ 34. Nbc5 Be6 35. g4 Bc4 36. Kg2 Ke7 37. Kg3 a5 38. h3 axb4 39. axb4 Bf7 40. Kg2 h5 41. Kf2 Bc4 42. Kg2 h4 43. Kh2 Ba2 44. Kg2 Kd6 45. Kf1 Kc6 46. Kg2 Bb1 47. Kf1 Ba2 48. Ke1 Bc4 49. Kd2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Dodero, Emilio"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A64"]
[EventDate "1955.03.09"]
[PlyCount "48"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8 11. Nd2 Nbd7 12. Nc4 Nb6 13. Ne3 Ng4 14. Nxg4 Bxg4 15. Re1 Nc4 16. Qc2 Bf5 17. e4 Bd7 18. h3 Qa5 19. Re2 b5 20. Nd1 Qb4 21. a5 f5 22. Kh2 fxe4 23. Bxe4 Nxa5 24. Bf4 Nb3 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Gligoric, Svetozar"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1-0"]
[ECO "D84"]
[EventDate "1955.03.09"]
[PlyCount "59"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 12. Rc1 a5 13. Rg1 a4 14. Rg5 Bf5 15. Ke2 Rfc8 16. Rgg1 a6 17. Nd2 Ra7 18. Ba5 Rb7 19. Rxc8+ Bxc8 20. Bc3 Be6 21. a3 Rb5 22. e4 Bh6 23. d5 Bd7 24. Nf3 Bg7 25. Ne5 Rb7 26. Nxd7 Rxd7 27. Rd1 Rc7 28. e5 Kf8 29. d6 Rd7 30. dxe7+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "D38"]
[EventDate "1955.03.09"]
[PlyCount "42"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6 11. O-O a6 12. Rfc1 Rfd8 13. Qb3 Bd6 14. Na4 Ne7 15. Nc5 Bf5 16. Qd1 Rab8 17. b4 Ng6 18. Rc3 Re8 19. Rac1 Re7 20. Rb3 c6 21. a4 Bg4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Letelier Martner, Rene"]
[Black "Toran Albero, Roman"]
[Result "1/2-1/2"]
[ECO "E06"]
[EventDate "1955.03.09"]
[PlyCount "79"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O d5 9. Ne5 c6 10. Bf4 Nfd7 11. Nxd7 Qxd7 12. cxd5 cxd5 13. Rc1 Nc6 14. e4 dxe4 15. d5 Nb4 16. Bxe4 Nxd5 17. Nxd5 Bxd5 18. Rc7 Qd8 19. Bxd5 exd5 20. Qa4 Bc5 21. b4 Bd4 22. Rd1 b5 23. Qxb5 Bb6 24. Rd7 Qf6 25. R7xd5 Rac8 26. R5d2 h6 27. h4 Rfe8 28. a4 a6 29. Qh5 Rc4 30. a5 Ba7 31. b5 Rxf4 32. gxf4 Qxf4 33. b6 Bb8 34. f3 Qg3+ 35. Kf1 Qh3+ 36. Rg2 Qh1+ 37. Rg1 Qh3+ 38. Rg2 Qh1+ 39. Rg1 Qh3+ 40. Rg2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Pachman, Ludek"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1955.03.09"]
[PlyCount "101"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Be7 6. O-O O-O 7. b3 d5 8. Bb2 Nbd7 9. Nc3 Ne4 10. Rc1 a6 11. Qc2 f5 12. Ne2 Bd6 13. Ne5 Bxe5 14. dxe5 Ndc5 15. Bxe4 dxe4 16. Ba3 Rf7 17. Bxc5 bxc5 18. Rfd1 Qe8 19. Rd2 Bc6 20. Nf4 Rd7 21. Rxd7 Qxd7 22. Rd1 Qe8 23. h4 g6 24. Qd2 a5 25. Qe2 h5 26. Qb2 Kf7 27. g3 Qh8 28. Nh3 Qb8 29. Rd2 Qb4 30. Qc2 Ke7 31. Qd1 Qb8 32. Ng5 a4 33. Nh7 axb3 34. axb3 Qh8 35. Nf6 Rd8 36. Rxd8 Qxd8 37. Qxd8+ Kxd8 38. Nh7 Be8 39. Ng5 Kd7 40. Kf1 Ke7 41. Ke2 Bc6 42. Kd2 Bd7 43. f3 exf3 44. Nxf3 Kd8 45. Ne1 Ke7 46. Nd3 Kf7 47. Nxc5 Bc8 48. b4 g5 49. hxg5 Kg6 50. Ke2 Kxg5 51. Kf3 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Szabo, Laszlo"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "E04"]
[EventDate "1955.03.09"]
[PlyCount "104"]

1. c4 e6 2. Nf3 Nf6 3. d4 d5 4. g3 dxc4 5. Bg2 Nbd7 6. O-O c5 7. Na3 cxd4 8. Nxc4 Qc7 9. Qxd4 Bc5 10. Bf4 Bxd4 11. Bxc7 Bc5 12. Rfd1 Nd5 13. Bd6 Bxd6 14. Nxd6+ Ke7 15. e4 Nb4 16. Rac1 Na6 17. Ng5 Ne5 18. f4 h6 19. fxe5 hxg5 20. b4 Bd7 21. Bf1 Nxb4 22. Rc7 Nc6 23. Nxf7 Kxf7 24. Rdxd7+ Kg6 25. Rxg7+ Kh6 26. h4 gxh4 27. g4 Nd4 28. Kg2 Rag8 29. Rxg8 Rxg8 30. Kh3 Rf8 31. Bc4 b5 32. Bb3 Kg5 33. Rg7+ Kf4 34. Rg6 Kxe5 35. Kxh4 a5 36. Rh6 a4 37. Rh5+ Kxe4 38. Bxe6 Nxe6 39. Rxb5 Rh8+ 40. Kg3 Rd8 41. g5 Rd3+ 42. Kg4 a3 43. Ra5 Nxg5 44. Kxg5 Rc3 45. Kg4 Kd3 46. Kf3 Kc2+ 47. Ke2 Kb1 48. Kd2 Rc2+ 49. Kd1 Rxa2 50. Ra8 Ra1 51. Rb8+ Ka2+ 52. Kc2 Rh1 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.19"]
[Round "8"]
[White "Wexler, Bernardo"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A60"]
[EventDate "1955.03.09"]
[PlyCount "76"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. dxe6 fxe6 5. Nc3 Nc6 6. g3 d5 7. cxd5 exd5 8. Bg5 d4 9. Bxf6 Qxf6 10. Nb5 Qf7 11. Bg2 a6 12. Na3 Be7 13. Nf3 O-O 14. O-O Be6 15. b3 Rad8 16. Nc4 Bxc4 17. bxc4 Qxc4 18. Nd2 Qe6 19. Qb3 Qxb3 20. axb3 Rc8 21. Rfc1 Rfd8 22. Ra4 Rc7 23. f4 d3 24. e3 Nb8 25. Kf2 b5 26. Ra2 c4 27. bxc4 Bb4 28. c5 Rxc5 29. Rxc5 Bxc5 30. Nb3 Bb4 31. Nd4 Bc3 32. Bf3 Kf7 33. h4 Rd6 34. Nf5 Rb6 35. Be4 d2 36. Ke2 g6 37. Nd4 Bxd4 38. exd4 Re6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "De Greiff, Boris"]
[Black "Bauza, Lorenzo"]
[Result "0-1"]
[ECO "B53"]
[EventDate "1955.03.09"]
[PlyCount "72"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. O-O Bg7 10. Re1 O-O 11. Qd2 e6 12. Qe2 Qc7 13. Bd2 Rfe8 14. Rac1 Qb6 15. Be3 Qa5 16. Nd2 b6 17. Nb3 Qa6 18. f3 Rad8 19. Nd4 Ba8 20. Ndb5 Qb7 21. Red1 Qb8 22. Bf4 Nh5 23. Bg5 Rd7 24. g4 Nf6 25. Bf4 Red8 26. Qd2 a6 27. Na3 g5 28. Bg3 Qb7 29. Qe1 d5 30. cxd5 exd5 31. e5 d4 32. Ne4 Nxe4 33. fxe4 b5 34. Nc2 d3 35. Nd4 Rxd4 36. e6 Rxe4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Flores Alvarez, Rodrigo"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1955.03.09"]
[PlyCount "34"]

1. e4 e6 2. Qe2 c5 3. f4 Nc6 4. Nf3 g6 5. c3 Bg7 6. d3 Nge7 7. g3 d6 8. Bg2 O-O 9. Nbd2 e5 10. O-O Be6 11. Ng5 Bd7 12. Nc4 h6 13. Nf3 Be6 14. Ne3 exf4 15. gxf4 f5 16. Nh4 Qe8 17. Bd2 Qf7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Ivkov, Borislav"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1955.03.09"]
[PlyCount "113"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. c4 g6 6. Nf3 Bg7 7. O-O Nf6 8. Nc3 d6 9. h3 Nd7 10. Be3 Nde5 11. Rc1 Qa5 12. Be2 Nxf3+ 13. Bxf3 Be6 14. Be2 O-O 15. Qd2 Rfc8 16. b3 Rab8 17. Rfd1 a6 18. Na4 Qxd2 19. Rxd2 Ne5 20. Nb6 Rc6 21. Rcd1 f6 22. f4 Bh6 23. g3 Re8 24. Kf2 Nf7 25. Bf3 Rc7 26. Bg4 Bxg4 27. hxg4 e6 28. Bd4 Bg7 29. a4 Nh6 30. Kf3 e5 31. Be3 exf4 32. Bxf4 Nf7 33. Bxd6 Rc6 34. a5 Ng5+ 35. Kg2 Nxe4 36. Rd3 f5 37. gxf5 gxf5 38. Bf4 Bc3 39. Rd8 Kf8 40. R1d5 Nf6 41. Nd7+ Ke7 42. Rxe8+ Kxe8 43. Nxf6+ Rxf6 44. Kf3 Bb4 45. Bd2 Bxd2 46. Rxd2 b6 47. axb6 Rxb6 48. Rd3 Ke7 49. Re3+ Kf6 50. c5 Rb7 51. Kf4 Rb4+ 52. Kf3 Rb7 53. Rc3 Ke5 54. Ke3 Rg7 55. Kf3 Rb7 56. Ke3 Rg7 57. Ke2 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1955.03.09"]
[PlyCount "57"]

1. c4 Nf6 2. Nf3 c5 3. g3 g6 4. Bg2 Bg7 5. d4 O-O 6. O-O d6 7. dxc5 dxc5 8. Ne5 Nfd7 9. Nxd7 Nxd7 10. Qb3 Nb6 11. Rd1 Bd7 12. a4 Qe8 13. Nc3 Be6 14. Nd5 Bxd5 15. cxd5 Rc8 16. a5 c4 17. Qb4 Nd7 18. Ra3 Nc5 19. Qxc4 Na6 20. Qb3 Qd7 21. Be3 Nc5 22. Qb4 Na6 23. Qa4 Rfd8 24. Bxa7 Bxb2 25. Qxd7 Rxd7 26. Rb3 Rc1 27. Rxc1 Bxc1 28. d6 exd6 29. Rxb7 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Panno, Oscar"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "A11"]
[EventDate "1955.03.09"]
[PlyCount "40"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. b3 Ne4 7. d4 d5 8. Bb2 a5 9. Nc3 Nxc3 10. Bxc3 Nd7 11. cxd5 cxd5 12. Qd3 b6 13. Rfc1 Ba6 14. Qd1 e6 15. Rab1 Qb8 16. Ne1 Rc8 17. Nd3 Qb7 18. e3 Rc7 19. Bf1 Rac8 20. Be1 Bf8 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Pilnik, Herman"]
[Black "Dodero, Emilio"]
[Result "1-0"]
[ECO "C06"]
[EventDate "1955.03.09"]
[PlyCount "79"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. Bd3 f5 8. exf6 Nxf6 9. O-O cxd4 10. cxd4 Be7 11. Nc3 O-O 12. Bg5 Kh8 13. Bc2 Bd7 14. Re1 Qc7 15. Bh4 Ng8 16. Bg3 Qd8 17. Qd3 g6 18. Ne2 Qe8 19. Nf4 Qf7 20. Qe3 Bf6 21. h4 Nxd4 22. Nxd4 e5 23. Nxg6+ hxg6 24. Bxe5 Rae8 25. Nf3 Qg7 26. Qd4 Rc8 27. Bd3 Bxe5 28. Nxe5 Bf5 29. Bxf5 Rxf5 30. Nxg6+ Kh7 31. Qxg7+ Kxg7 32. Ne7 Nxe7 33. Rxe7+ Kg6 34. Rae1 d4 35. Rxb7 Rd8 36. g4 Rf6 37. Ree7 Rfd6 38. Rf7 d3 39. f4 d2 40. h5+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Rossetto, Hector Decio"]
[Black "Pachman, Ludek"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1955.03.09"]
[PlyCount "111"]

1. d4 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. Nc3 c6 6. Nf3 Nbd7 7. cxd5 exd5 8. O-O Be7 9. Nh4 Be6 10. Qc2 O-O 11. Nf5 Bxf5 12. Qxf5 Ne8 13. Bh3 Nb6 14. Qd3 Bg5 15. e3 Nd6 16. b3 a5 17. a4 f5 18. Ba3 g6 19. f3 Re8 20. Rae1 Bf6 21. Kh1 Nf7 22. Rd1 Ng5 23. Bg2 Bg7 24. Ne2 Nd7 25. Nf4 Nf6 26. Qd2 Bf8 27. Bxf8 Rxf8 28. h4 Nf7 29. Ne6 Qd6 30. Nxf8 Nh5 31. Kg1 Nxg3 32. Rfe1 Rxf8 33. Qf2 Nh6 34. f4 Ne4 35. Bxe4 fxe4 36. h5 Kh8 37. Qh4 gxh5 38. Qxh5 Rg8+ 39. Kf1 Ng4 40. Rd2 Rg6 41. Rg2 Qd7 42. Ree2 Nf6 43. Qh4 Ng4 44. Rg3 Qf5 45. Reg2 h5 46. Rh3 Kg7 47. Ke2 Kh6 48. Qd8 Rg7 49. Rgg3 b5 50. Rh4 bxa4 51. bxa4 Qf7 52. Qh8+ Rh7 53. Qc8 Nf6 54. Qf5 Rg7 55. Rg5 c5 56. Qxf6+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.20"]
[Round "9"]
[White "Toran Albero, Roman"]
[Black "Wexler, Bernardo"]
[Result "1/2-1/2"]
[ECO "B95"]
[EventDate "1955.03.09"]
[PlyCount "56"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Bd7 8. O-O-O Nc6 9. Rg1 Be7 10. g4 Qc7 11. Be3 Nxd4 12. Bxd4 e5 13. Be3 Be6 14. g5 Nd7 15. Bh3 b5 16. Kb1 Rc8 17. Rc1 b4 18. Nd5 Bxd5 19. exd5 Rb8 20. Qe4 Nc5 21. Qc4 O-O 22. f4 exf4 23. Bxf4 Rfe8 24. Rce1 Qb6 25. Be3 Bf8 26. Bd4 Qb7 27. Ka1 a5 28. Bg4 Re7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Dodero, Emilio"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "A46"]
[EventDate "1955.03.09"]
[PlyCount "86"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. dxc5 Bxc5 5. e3 b6 6. Nc3 Bb7 7. Be2 Nc6 8. O-O O-O 9. a3 Rc8 10. Qa4 Qc7 11. b4 Be7 12. Bb2 a5 13. Nb5 Qd8 14. bxa5 Nxa5 15. Nd2 Rc5 16. Bd4 Rg5 17. f3 e5 18. Bc3 Bc5 19. Kf2 Nh5 20. g3 d6 21. Bb4 f5 22. Bxc5 dxc5 23. Rad1 Qe7 24. Rg1 f4 25. e4 fxg3+ 26. hxg3 Nc6 27. Nf1 Nd4 28. Nxd4 exd4 29. Bd3 Bxe4 30. Bxe4 Qxe4 31. Qb3 Qc6 32. Nh2 Qd6 33. f4 Rg6 34. Nf3 Nf6 35. Qd3 Ng4+ 36. Kg2 Rh6 37. Rh1 Ne3+ 38. Kf2 Nxd1+ 39. Qxd1 Rxh1 40. Qxh1 d3 41. Ng5 h6 42. Ne4 Qd4+ 43. Kf3 Re8 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Gligoric, Svetozar"]
[Black "Toran Albero, Roman"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1955.03.09"]
[PlyCount "137"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 c6 8. Nf3 cxd5 9. cxd5 Nbd7 10. Nd2 a5 11. Be2 Nc5 12. a3 Ne8 13. b4 axb4 14. axb4 Rxa1 15. Qxa1 Na6 16. Qa5 Qe7 17. Nc4 f5 18. Nb6 Nf6 19. O-O f4 20. Nxc8 Rxc8 21. Bd2 g5 22. g4 Nc7 23. Qb6 Nce8 24. Ra1 Qc7 25. Qxc7 Nxc7 26. f3 Ra8 27. Rc1 Nce8 28. Be1 Bf8 29. Nb5 Be7 30. Bf2 Bd8 31. Na7 Kf8 32. Kf1 Nd7 33. Rc8 Rxc8 34. Nxc8 Bc7 35. Bb5 Nef6 36. Ke2 Ke8 37. Nb6 Kd8 38. Nc4 Nb8 39. Kd3 Nfd7 40. Kc3 Nf6 41. Kb3 Nbd7 42. Ba4 Kc8 43. Kc2 Kd8 44. Kd3 Kc8 45. Ba7 Kd8 46. Bg1 Kc8 47. Bf2 Kd8 48. Ke2 Kc8 49. Kf1 Kd8 50. Ke1 Kc8 51. Kd1 Kd8 52. Kc1 Kc8 53. Kb1 Kd8 54. Kb2 Kc8 55. Kc3 Kd8 56. Kd2 Kc8 57. Kd3 Kd8 58. Bg1 Kc8 59. Bc6 bxc6 60. dxc6 Nb8 61. b5 Ng8 62. Nb2 Nxc6 63. bxc6 Ne7 64. Na4 Nxc6 65. Nc3 Ba5 66. Nd5 Bd8 67. Kc4 Kd7 68. Bf2 Na5+ 69. Kb4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "E63"]
[EventDate "1955.03.09"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Rb8 9. b3 b5 10. e3 Na5 11. cxb5 axb5 12. Bb2 b4 13. Ne2 Ba6 14. Re1 Qd7 15. Rc1 Rfc8 16. Nf4 c6 17. h4 Qa7 18. Rc2 Nb7 19. h5 c5 20. hxg6 hxg6 21. Bh3 Rf8 22. Ng5 Bh6 23. Nxg6 fxg6 24. Be6+ Kg7 25. f4 Nd8 26. d5 Bc8 27. Rh2 Bxe6 28. dxe6 Qa6 29. Qg4 Rh8 30. Nf3 Qd3 31. e4 c4 32. bxc4 Qxc4 33. f5 g5 34. Qh5 Kf8 35. Qg6 Bg7 36. Rxh8+ Bxh8 37. Nxg5 Bg7 38. Nh7+ Kg8 39. Bxf6 exf6 40. Nxf6+ Kf8 41. Qe8# 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Letelier Martner, Rene"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1955.03.09"]
[PlyCount "76"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 h6 8. Be3 Ng4 9. Be2 Nxe3 10. Qxe3 Be7 11. O-O O-O 12. Rad1 Qc7 13. Kh1 Nc6 14. f4 Nxd4 15. Rxd4 b5 16. Rfd1 Bb7 17. e5 Rad8 18. Qg3 dxe5 19. fxe5 Rxd4 20. Rxd4 Rd8 21. Rg4 Bf8 22. Bd3 b4 23. Ne4 Bxe4 24. Rxe4 Qa5 25. h4 Qxa2 26. b3 Rd4 27. Qf4 Qa1+ 28. Kh2 Bc5 29. Qf3 g6 30. h5 Rxe4 31. Qxe4 Qg1+ 32. Kg3 Qf2+ 33. Kh3 gxh5 34. Qh7+ Kf8 35. Qxh6+ Ke8 36. Qxh5 Qe3+ 37. Qf3 Qxe5 38. Bxa6 Qh8+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Pachman, Ludek"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "A54"]
[EventDate "1955.03.09"]
[PlyCount "67"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 6. e3 c6 7. Be2 Qc7 8. O-O Nf8 9. Bh4 Ng6 10. Bg3 Nh5 11. b4 O-O 12. Qb3 Be6 13. Nd2 Nxg3 14. hxg3 f5 15. d5 cxd5 16. cxd5 Bd7 17. Bb5 e4 18. Rac1 Rac8 19. Ne2 Bxb5 20. Rxc7 Rxc7 21. Re1 Bxe2 22. Rxe2 Rc1+ 23. Nf1 Rfc8 24. Rd2 Ne5 25. Rd1 R1c2 26. b5 Nd3 27. Rd2 R2c3 28. Qa4 R8c4 29. Qxa7 Rc1 30. Qxb7 Rxf1+ 31. Kxf1 Rc1+ 32. Rd1 Rxd1+ 33. Ke2 Re1+ 34. Kd2 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Rossetto, Hector Decio"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "D38"]
[EventDate "1955.03.09"]
[PlyCount "82"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bd2 c5 7. e3 O-O 8. cxd5 exd5 9. a3 Bxc3 10. Bxc3 Ne4 11. Bd3 Nc6 12. Qc2 Re8 13. dxc5 Nxc3 14. Qxc3 d4 15. Qd2 Bg4 16. Be2 dxe3 17. Qxd8 Raxd8 18. O-O Bxf3 19. gxf3 Rd2 20. Bb5 e2 21. Rfe1 Rxb2 22. Bxc6 bxc6 23. Rac1 Rd8 24. Kg2 Rd4 25. f4 Rxf4 26. Rc3 Rf5 27. Re3 Rxc5 28. Re8+ Kh7 29. R1xe2 Rxe2 30. Rxe2 Kg6 31. Re7 Ra5 32. Rc7 Ra6 33. f3 Kf6 34. Kg3 h5 35. h4 g6 36. Kf4 Kg7 37. Kg3 Kf6 38. Kf4 Kg7 39. Kg3 Rxa3 40. Rxc6 a5 41. Ra6 a4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Szabo, Laszlo"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1/2-1/2"]
[ECO "A39"]
[EventDate "1955.03.09"]
[PlyCount "155"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Nf3 Bg7 5. d4 cxd4 6. Nxd4 Nc6 7. Bg2 O-O 8. O-O Qb6 9. Nc2 d6 10. Qd2 Bd7 11. b3 Rac8 12. Bb2 Qa5 13. e4 a6 14. Rfd1 Qh5 15. Qe2 Qxe2 16. Nxe2 b5 17. cxb5 axb5 18. Nf4 Ng4 19. Bxg7 Kxg7 20. Nd5 Nf6 21. Nce3 Nxd5 22. Nxd5 Be6 23. a4 bxa4 24. bxa4 Bxd5 25. Rxd5 Nb4 26. Rb5 Na6 27. e5 Rb8 28. exd6 exd6 29. Rd5 Rfd8 30. a5 Rd7 31. Rad1 Rbd8 32. R5d2 Nc5 33. Rb2 Ra7 34. Rb5 Na6 35. Ra1 Rdd7 36. Bc6 Rdc7 37. Rb6 Nc5 38. Bf3 Rd7 39. a6 Kf6 40. Be2 Ke7 41. Bb5 Rd8 42. Re1+ Kf8 43. Kf1 Rda8 44. Ra1 Rd8 45. Ra2 Ke7 46. Re2+ Kf8 47. Ke1 h6 48. Kd1 Rc7 49. Rc2 Ke7 50. Ke2 Nxa6 51. Rxc7+ Nxc7 52. Rb7 Rc8 53. Bc4 Kf6 54. h4 Re8+ 55. Kd3 Re7 56. Rb6 Rd7 57. Kd4 Ke7 58. Bb3 Ne6+ 59. Bxe6 fxe6 60. Rb8 Rd8 61. Rb7+ Rd7 62. Rb8 h5 63. Rh8 Rd8 64. Rh7+ Kf6 65. Ke3 Ra8 66. Rd7 d5 67. Kd3 Ra3+ 68. Ke2 Ra2+ 69. Ke3 Ra3+ 70. Ke2 Ra5 71. Rd8 Ra6 72. Ke3 Ke7 73. Rb8 e5 74. Rg8 Ra3+ 75. Ke2 Kf6 76. Rf8+ Ke6 77. Re8+ Kf5 78. Rf8+ 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.22"]
[Round "10"]
[White "Wexler, Bernardo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. d4 e6 5. cxd5 exd5 6. Bg5 Be7 7. Qc2 Nbd7 8. e3 Nf8 9. Bd3 Ne6 10. Bh4 g6 11. O-O O-O 12. Rab1 a5 13. a3 Ng7 14. b4 axb4 15. axb4 Bf5 16. Ne5 Bxd3 17. Nxd3 Nf5 18. Bg5 Nd7 19. Bf4 Nb6 20. b5 Nc4 21. Ra1 Bd6 22. bxc6 bxc6 23. Bxd6 Qxd6 24. Na4 Rfb8 25. Rfb1 Rb5 26. Qc1 Rxb1 27. Qxb1 Rb8 28. Qc1 Qe7 29. Nab2 Nxb2 30. Nxb2 Qe4 31. Na4 Nh4 32. Qf1 Ra8 33. Ra2 Qe7 34. Nc3 Rb8 35. Rc2 Kg7 36. Ne2 Rb6 37. Qc1 Qe4 38. Nf4 Nf5 39. h3 Nd6 40. Rb2 Ra6 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Bauza, Lorenzo"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "D05"]
[EventDate "1955.03.09"]
[PlyCount "93"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Bd3 Nc6 6. Ngf3 Nf6 7. O-O dxe4 8. Nxe4 Nxe4 9. Bxe4 Qxd1 10. Rxd1 f6 11. c3 O-O 12. Be3 Bxe3 13. fxe3 e5 14. Rd6 Ne7 15. Rad1 Nf5 16. R6d3 Be6 17. b3 Rab8 18. c4 b6 19. Kf2 Rbc8 20. a4 Rc7 21. h3 h5 22. Rd8 Rxd8 23. Rxd8+ Kf7 24. Nd2 Ke7 25. Rb8 Rd7 26. Rb7 Rxb7 27. Bxb7 Nd6 28. Bc6 a5 29. e4 h4 30. Nb1 g5 31. Nc3 Kd8 32. Ke3 Kc7 33. Bd5 Bd7 34. Ba8 Be6 35. Bd5 Bf7 36. Ba8 Kb8 37. Bc6 Be6 38. Bd5 Bd7 39. Bg8 Bc6 40. Bd5 Bd7 41. Bg8 Bc6 42. Bd5 Be8 43. Bg8 Bg6 44. Bd5 Kc7 45. Ba8 Kb8 46. Bc6 Bf7 47. Bd5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "De Greiff, Boris"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "C15"]
[EventDate "1955.03.09"]
[PlyCount "57"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Bb5 Nge7 8. Bg5 f6 9. Be3 O-O 10. Qd2 f5 11. O-O-O a6 12. Bxc6 Nxc6 13. f3 e5 14. d5 Na5 15. fxe4 f4 16. Bc5 Nc4 17. Qe2 Nd6 18. h4 Bd7 19. Rdf1 Qf6 20. g3 f3 21. Qd3 Rf7 22. b3 Raf8 23. a4 Qg6 24. Bf2 Bg4 25. Re1 Rf6 26. Nb1 b5 27. c4 bxc4 28. bxc4 Rb8 29. c5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Flores Alvarez, Rodrigo"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "B84"]
[EventDate "1955.03.09"]
[PlyCount "70"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nc6 7. Be2 Qc7 8. O-O e6 9. Be3 Be7 10. Bf3 Bd7 11. Qe1 Rc8 12. Rd1 b5 13. Nb3 O-O 14. Qf2 Rb8 15. Kh1 a5 16. Nd4 Nxd4 17. Bxd4 b4 18. e5 Ne8 19. Ne4 d5 20. Ng3 g6 21. Rfe1 Ng7 22. Rd2 Rfc8 23. Be2 Bb5 24. Bd3 a4 25. Ne2 Bxd3 26. cxd3 Nf5 27. Be3 Qb7 28. Rc1 Rxc1+ 29. Nxc1 Rc8 30. Rd1 b3 31. axb3 axb3 32. Ne2 Rc2 33. Bc1 Bc5 34. d4 Bxd4 35. Qf3 Bxb2 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Ivkov, Borislav"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "C86"]
[EventDate "1955.03.09"]
[PlyCount "39"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. c3 O-O 9. Qe2 Na5 10. Bc2 c5 11. Rd1 Qc7 12. Nbd2 Nc6 13. Nf1 Be6 14. Ng3 d5 15. exd5 Nxd5 16. Ng5 Bxg5 17. Bxg5 f5 18. Bd2 Rae8 19. f3 c4 20. dxc4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E64"]
[EventDate "1955.03.09"]
[PlyCount "64"]

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. Ne1 b5 10. cxb5 Rb8 11. a4 a6 12. bxa6 Bxa6 13. Nc2 Nd7 14. Na3 Ne5 15. Qc2 Nc4 16. Rd1 Na5 17. e3 Nb3 18. Ra2 Qd7 19. Bd2 Nxd2 20. Rxd2 Rb4 21. a5 Rfb8 22. Rd1 R8b7 23. Bf3 Qe8 24. Be2 Qa8 25. Rda1 Rb8 26. Bxa6 Nxa6 27. Qe2 Rb3 28. Nc4 Bxc3 29. bxc3 Rb1+ 30. Rxb1 Rxb1+ 31. Kg2 Qxd5+ 32. e4 Qb7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Panno, Oscar"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1955.03.09"]
[PlyCount "61"]

1. Nf3 d5 2. d4 Bf5 3. Bf4 e6 4. e3 Nf6 5. Bd3 Be7 6. O-O O-O 7. Bxf5 exf5 8. Qd3 g6 9. c4 c6 10. Nc3 Na6 11. Rfd1 Nb4 12. Qe2 dxc4 13. Qxc4 Nbd5 14. Be5 Qb6 15. Rab1 Rad8 16. Rdc1 Ne4 17. Nxd5 Rxd5 18. b4 Bd6 19. Bxd6 Nxd6 20. Qb3 Ne4 21. a4 a6 22. Qc2 Re8 23. Ne5 Rexe5 24. dxe5 Rd2 25. Qc4 Nxf2 26. Re1 Ne4 27. e6 Qd8 28. exf7+ Kg7 29. Rf1 b5 30. Qxc6 Rd7 31. f8=Q+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Pilnik, Herman"]
[Black "Wexler, Bernardo"]
[Result "1-0"]
[ECO "B67"]
[EventDate "1955.03.09"]
[PlyCount "89"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O a6 9. f4 Bd7 10. Nf3 h6 11. Bh4 Qc7 12. e5 dxe5 13. fxe5 Nd5 14. Nxd5 exd5 15. Bxe7 Nxe7 16. Qb4 Bf5 17. Bd3 Bxd3 18. Rxd3 O-O 19. Rhd1 Rad8 20. Kb1 Rfe8 21. a3 Rd7 22. Qg4 Ng6 23. Rxd5 Rxd5 24. Rxd5 Nxe5 25. Nxe5 Rxe5 26. Rxe5 Qxe5 27. Qc8+ Kh7 28. Qxb7 Qxh2 29. Qe4+ g6 30. Qd5 Kg7 31. c4 Qf4 32. c5 h5 33. c6 h4 34. Qc5 Qc7 35. b4 Kf6 36. a4 Ke6 37. Qc4+ Kd6 38. b5 axb5 39. axb5 Qa7 40. Qb4+ Kd5 41. b6 Qa6 42. b7 Qd3+ 43. Kb2 Qe2+ 44. Ka3 Qa6+ 45. Qa4 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.23"]
[Round "11"]
[White "Toran Albero, Roman"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1-0"]
[ECO "E81"]
[EventDate "1955.03.09"]
[PlyCount "71"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Bg5 c5 7. d5 Re8 8. Qd2 a6 9. g4 b5 10. cxb5 axb5 11. Bxb5 Bd7 12. Bc4 Bc8 13. h4 Ba6 14. Bxa6 Rxa6 15. h5 Nbd7 16. hxg6 fxg6 17. Qh2 Nf8 18. Nge2 Ra7 19. Rd1 Rb7 20. Rd2 Qa5 21. Bh6 e6 22. Bxg7 Kxg7 23. O-O exd5 24. exd5 Re5 25. Nf4 Rbe7 26. Nd3 Re3 27. Qxd6 c4 28. Nf4 g5 29. Ne6+ Kf7 30. Nxg5+ Kg7 31. Ne6+ Kf7 32. Nxf8 Qa7 33. Kg2 Nxd5 34. Qxd5+ Kxf8 35. Ne4 Qc7 36. Qd8+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Gligoric, Svetozar"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D78"]
[EventDate "1955.03.09"]
[PlyCount "83"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 O-O 6. O-O d5 7. Qb3 Qa5 8. Bf4 Qa6 9. cxd5 Nxd5 10. Be5 Qxe2 11. Nc3 Nxc3 12. bxc3 Qa6 13. Bxg7 Kxg7 14. Rfe1 e6 15. c4 Nd7 16. Qc3 Kg8 17. Rab1 Rb8 18. Ng5 b5 19. c5 Nf6 20. Qd2 Nd5 21. Re4 f5 22. Re5 Rb7 23. Rbe1 Rbf7 24. Nxf7 Kxf7 25. Bxd5 cxd5 26. R5e2 Bd7 27. Qf4 Qc6 28. h4 h5 29. Rb2 Kg7 30. Reb1 Qa6 31. Qe5+ Kg8 32. c6 Qxc6 33. Rxb5 Qxb5 34. Rxb5 Bxb5 35. Qxe6+ Kg7 36. Qxd5 a6 37. Qe5+ Kf7 38. Qc7+ Kf6 39. d5 Rf7 40. Qc3+ Ke7 41. a4 Bd7 42. Qb4+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Idigoras Guisasola, Gregorio"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1955.03.09"]
[PlyCount "100"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3 c6 10. e4 a5 11. dxe5 dxe5 12. h3 a4 13. Be3 Qa5 14. Rac1 Bf8 15. Ne1 Nc5 16. Nd3 Nfd7 17. Kh2 Nxd3 18. Qxd3 Nc5 19. Qd2 Be6 20. Bf1 f6 21. h4 Bf7 22. f3 Ne6 23. Qf2 Bc5 24. Bxc5 Nxc5 25. Rd6 Re6 26. Rd2 Kg7 27. Nd1 Re7 28. Bh3 Be6 29. Ne3 Bxh3 30. Kxh3 Ne6 31. Rcd1 Qc7 32. Kg2 Rf8 33. Rd3 f5 34. Qd2 fxe4 35. fxe4 Nc5 36. Ng4 Nxd3 37. Qh6+ Kg8 38. Rxd3 Rd7 39. Rxd7 Qxd7 40. Qg5 Qd4 41. h5 Qxe4+ 42. Kh2 Kh8 43. Qe7 Qe2+ 44. Kh3 Qf1+ 45. Kh2 Qf7 46. Qxe5+ Qg7 47. Qe2 gxh5 48. Nf2 h4 49. g4 Qc7+ 50. Kh1 Qf4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Ivkov, Borislav"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1-0"]
[ECO "B76"]
[EventDate "1955.03.09"]
[PlyCount "91"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. Qd2 Nf6 8. f3 O-O 9. O-O-O Qa5 10. Kb1 a6 11. g4 Nxd4 12. Bxd4 e5 13. Be3 Be6 14. Be2 Rac8 15. a3 Rc6 16. g5 Nh5 17. Nd5 Qxd2 18. Ne7+ Kh8 19. Rxd2 Rc7 20. Nd5 Bxd5 21. Rxd5 Rfc8 22. Rxd6 Rxc2 23. Rc1 Rxc1+ 24. Bxc1 Nf4 25. Bxf4 exf4 26. Rd7 b5 27. Rxf7 Rd8 28. Rc7 Be5 29. Rc5 Rd2 30. Rc2 Rxc2 31. Kxc2 Bd6 32. b4 Kg7 33. Kb3 Be7 34. a4 Bxg5 35. axb5 axb5 36. Bxb5 Kf6 37. Bc4 Ke5 38. Bg8 h6 39. Kc4 Kd6 40. Bf7 Bh4 41. Bxg6 Bf2 42. Kb5 Bd4 43. Ka6 Kc7 44. b5 Be3 45. e5 Bd4 46. e6 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Letelier Martner, Rene"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "B94"]
[EventDate "1955.03.09"]
[PlyCount "67"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 h6 7. Bxf6 gxf6 8. Be2 Nc6 9. O-O e6 10. Kh1 Qc7 11. f4 Bd7 12. Bh5 Bg7 13. f5 Nxd4 14. Qxd4 Ke7 15. Rad1 Qc5 16. Qxc5 dxc5 17. Bxf7 Rad8 18. fxe6 Bxe6 19. Bxe6 Kxe6 20. Rd5 Rxd5 21. exd5+ Kd6 22. Re1 f5 23. Re6+ Kd7 24. Na4 Bd4 25. c3 Bf2 26. Nb6+ Kc7 27. g3 f4 28. Kg2 Be3 29. Nc4 Bc1 30. Re7+ Kb8 31. Na5 fxg3 32. Rxb7+ Kc8 33. d6 Rd8 34. Rc7+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Pachman, Ludek"]
[Black "Dodero, Emilio"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1955.03.09"]
[PlyCount "103"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 O-O 6. e3 Ne4 7. Bxe7 Qxe7 8. cxd5 Nxc3 9. bxc3 exd5 10. Qb3 Rd8 11. c4 dxc4 12. Bxc4 Nc6 13. Be2 Qb4+ 14. Qxb4 Nxb4 15. O-O Bf5 16. Rfc1 c6 17. Rc3 Be6 18. a3 Nd5 19. Rcc1 Rac8 20. h3 Rc7 21. Bf1 Re7 22. Rab1 Nb6 23. Nd2 h6 24. Rb4 Rd5 25. Nb3 Bc8 26. Nc5 Rc7 27. Rcb1 Rg5 28. h4 Rg6 29. Bd3 Rd6 30. Be4 Rd8 31. a4 Re8 32. a5 Nd7 33. Nxd7 Rxd7 34. Bf5 Rd5 35. Bxc8 Rxc8 36. Rxb7 Rxa5 37. Rd7 Rd5 38. Rxa7 Rd6 39. Rbb7 Rf6 40. Ra5 g6 41. Rb6 Rd8 42. Rc5 Rdd6 43. f3 h5 44. Kf2 Rfe6 45. Rc4 Kg7 46. e4 Kh6 47. Ke3 f6 48. Rc5 Kg7 49. f4 Kh6 50. e5 fxe5 51. fxe5 Kh7 52. Kd3 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Rossetto, Hector Decio"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1955.03.09"]
[PlyCount "178"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Nbd2 b6 6. Be2 Bb7 7. O-O d6 8. h3 c5 9. c3 Nc6 10. a4 Rb8 11. Nc4 Qd7 12. Qc2 Rfc8 13. Rfd1 Nd5 14. Bg5 h6 15. Bh4 cxd4 16. exd4 Nf4 17. Bf1 Nd8 18. Ncd2 Nde6 19. Qb1 Rf8 20. Re1 Kh8 21. Bg3 a6 22. Qd1 Nh5 23. Bh2 b5 24. axb5 axb5 25. Ne4 Nf6 26. Nxf6 Bxf6 27. Bd3 b4 28. Qe2 bxc3 29. bxc3 Bd5 30. Qe3 Kg7 31. Nd2 Rfc8 32. Be4 Qc6 33. Bxd5 Qxd5 34. Ne4 Rb3 35. Nxf6 exf6 36. Rac1 Qc6 37. Qd2 d5 38. Re3 Qc4 39. Rd3 Qb5 40. Bg3 Rc4 41. h4 h5 42. Qd1 Ra4 43. Re3 Rb2 44. Qf3 Qc6 45. Rce1 Rba2 46. Bf4 Ra1 47. Rxa1 Rxa1+ 48. Kh2 Ra2 49. Qg3 Ra6 50. Qf3 Qd7 51. Re1 Kh7 52. Bd2 Ng7 53. Qf4 Nf5 54. g4 hxg4 55. Qxg4 Re6 56. h5 Rxe1 57. Bxe1 Qd6+ 58. Kg1 Qe6 59. hxg6+ fxg6 60. Bd2 Kg7 61. Qf3 g5 62. Qd3 Nd6 63. Kf1 Ne4 64. Be1 Qc6 65. Kg2 Qe6 66. Kf1 Nd6 67. Bd2 Qe4 68. Qg3 Nc4 69. Be1 Kg6 70. Qh3 g4 71. Qh8 Qe6 72. Qb8 Kf5 73. Qh8 Kg6 74. Qb8 Kg5 75. Qh8 Qf5 76. Qg7+ Kf4 77. Qe7 Qd3+ 78. Kg1 f5 79. Qe6 Qe4 80. Bd2+ Nxd2 81. Qh6+ Kf3 82. Qxd2 Qe2 83. Qxe2+ Kxe2 84. Kg2 f4 85. c4 dxc4 86. d5 c3 87. d6 c2 88. d7 c1=Q 89. d8=Q Qf1+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Szabo, Laszlo"]
[Black "Toran Albero, Roman"]
[Result "1/2-1/2"]
[ECO "D78"]
[EventDate "1955.03.09"]
[PlyCount "60"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 c6 6. O-O d5 7. Nbd2 Ne4 8. Qb3 Qb6 9. cxd5 Qxb3 10. Nxb3 cxd5 11. Ne5 Nd7 12. Rd1 e6 13. Nd3 b6 14. Bf4 Bb7 15. Ne5 Nxe5 16. Bxe5 Rac8 17. Bxg7 Kxg7 18. Bxe4 dxe4 19. Rac1 Bd5 20. Kf1 a5 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Nxc1 Kf6 24. Ke1 Kf5 25. h3 e5 26. dxe5 Kxe5 27. Kd2 f5 28. e3 Bc4 29. Kc3 Kd5 30. h4 b5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.24"]
[Round "12"]
[White "Wexler, Bernardo"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1955.03.09"]
[PlyCount "99"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c6 7. e4 dxe4 8. dxe4 Na6 9. Qe2 Qa5 10. e5 Ne8 11. Nc4 Qc7 12. Bf4 Be6 13. Rfe1 Qc8 14. Ng5 Nec7 15. Nxe6 Nxe6 16. Be3 Nac7 17. Rad1 Rd8 18. f4 Nd5 19. Bf2 Nf8 20. Rd2 b6 21. Red1 Ne6 22. Bxd5 Rxd5 23. Rxd5 cxd5 24. Rxd5 Qa6 25. a3 Rc8 26. b3 b5 27. Ne3 Nc7 28. Rc5 e6 29. Qd3 Bf8 30. Rc3 Nd5 31. Nxd5 exd5 32. Rxc8 Qxc8 33. Qxd5 a6 34. c4 bxc4 35. Qxc4 Qxc4 36. bxc4 Bxa3 37. Kf1 Kf8 38. Ke2 Ke8 39. Kd3 Kd7 40. g4 Be7 41. f5 a5 42. c5 gxf5 43. gxf5 Kc6 44. Kc4 h5 45. f6 Bf8 46. Be3 a4 47. Kb4 Kd5 48. Kxa4 Kxe5 49. c6 Kd6 50. Bc5+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Bauza, Lorenzo"]
[Black "Wexler, Bernardo"]
[Result "1-0"]
[ECO "A43"]
[EventDate "1955.03.09"]
[PlyCount "97"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. Nc3 d6 5. e4 e5 6. h3 g6 7. Bg5 Bg7 8. Qd2 O-O 9. g4 a6 10. a4 Qa5 11. Ra2 Nbd7 12. Qe3 h6 13. Bh4 Re8 14. Nd2 Qc7 15. a5 g5 16. Bg3 Nf8 17. Nc4 Bd7 18. Nb6 Rad8 19. f3 Ng6 20. h4 gxh4 21. Bxh4 Nxh4 22. Rxh4 Nh7 23. Ra1 Bf6 24. Qxh6 Bxh4+ 25. Qxh4 Bc8 26. g5 Qe7 27. Nxc8 Rxc8 28. Bh3 Nxg5 29. Kf2 Rcd8 30. Bf5 f6 31. Rg1 Qg7 32. Be6+ Kf8 33. Nd1 Re7 34. Ne3 Qh7 35. Qg4 Rg7 36. Rg2 Re8 37. Bf5 Qh1 38. Ke2 Ree7 39. Kf2 Rc7 40. b3 Rce7 41. Ke2 Ne6 42. dxe6 Rxg4 43. Rxg4 Rg7 44. Rxg7 Kxg7 45. e7 Kf7 46. Nd5 Qg2+ 47. Ke1 Ke8 48. Bg4 Qh2 49. Bh5+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "De Greiff, Boris"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1955.03.09"]
[PlyCount "70"]

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. a4 b6 11. Qe1 Bb7 12. fxe5 dxe5 13. Kh1 Rc8 14. Bd2 Bb4 15. Rd1 Nh5 16. Qe2 Bxc3 17. Bxc3 Nf4 18. Qe3 f6 19. Bb4 Rf7 20. g3 Nxd3 21. cxd3 a5 22. Ba3 Nc5 23. Bxc5 Rxc5 24. Rc1 Rd7 25. Ne1 Qe7 26. Rxc5 Qxc5 27. Qxc5 bxc5 28. Rf2 c4 29. dxc4 Bxe4+ 30. Kg1 Rd1 31. Re2 Bd3 32. Re3 Bxc4 33. b3 Bxb3 34. Rxb3 Rxe1+ 35. Kf2 Re4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Dodero, Emilio"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D40"]
[EventDate "1955.03.09"]
[PlyCount "56"]

1. Nf3 d5 2. d4 c5 3. e3 Nf6 4. dxc5 e6 5. c4 Nc6 6. Nc3 Bxc5 7. Be2 a6 8. O-O O-O 9. cxd5 exd5 10. a3 Be6 11. b4 Bd6 12. Bb2 Qe7 13. Rc1 Rac8 14. b5 Ne5 15. Nxe5 Bxe5 16. bxa6 bxa6 17. Qa4 d4 18. exd4 Bf4 19. Rcd1 Nd5 20. Nxd5 Bxd5 21. Rfe1 Rb8 22. Bc4 Bxh2+ 23. Kxh2 Qh4+ 24. Kg1 Rxb2 25. Bxd5 Qxf2+ 26. Kh1 Qh4+ 27. Kg1 Qf2+ 28. Kh1 Qh4+ 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Flores Alvarez, Rodrigo"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "B93"]
[EventDate "1955.03.09"]
[PlyCount "42"]

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. a4 b6 11. Kh1 Bb7 12. Qe1 Re8 13. fxe5 dxe5 14. Bg5 Rc8 15. Rd1 Nh5 16. Nxe5 Bxg5 17. Nxd7 Qxd7 18. Be2 Qe6 19. Bxh5 g6 20. Qg3 Qe5 21. Qxe5 Rxe5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Najdorf, Miguel"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1955.03.09"]
[PlyCount "112"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. Qc2 Re8 9. Rd1 c6 10. e4 a6 11. h3 Qa5 12. Be3 b5 13. c5 b4 14. Na4 d5 15. Nxe5 Nxe4 16. Nxd7 Bxd7 17. Nb6 Ra7 18. g4 Rb7 19. a3 Rxb6 20. cxb6 bxa3 21. Rxa3 Qxb6 22. Qb3 Qa7 23. Bf1 a5 24. Rda1 h5 25. Rxa5 Qc7 26. Ra7 Qd6 27. Qb7 Re7 28. Ra8+ Kh7 29. Qb8 Qxb8 30. Rxb8 hxg4 31. hxg4 Bxg4 32. Kg2 Nd6 33. Bd3 Bh5 34. Rh1 f5 35. Bf4 Ne4 36. f3 Rf7 37. Be5 Ng5 38. Kf2 Ne6 39. Rh4 Kh6 40. Re8 Bxe5 41. dxe5 Ng7 42. Rc8 Rb7 43. b4 Kg5 44. Rh1 Rxb4 45. Rxc6 Rb2+ 46. Ke3 d4+ 47. Kxd4 Kf4 48. Re1 Rb7 49. Bc4 g5 50. e6 Bxf3 51. Rd6 Re7 52. Kc3 Rc7 53. Kd4 g4 54. Rd7 Nxe6+ 55. Bxe6 Rxd7+ 56. Bxd7 g3 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1955.03.09"]
[PlyCount "114"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c5 7. d3 Nc6 8. Rb1 d5 9. cxd5 Nxd5 10. Bd2 b6 11. Qa4 Bb7 12. Qh4 Nd4 13. Nxd4 cxd4 14. Ne4 Nf6 15. Bg5 Bd5 16. a3 Re8 17. Rbc1 Qd7 18. Qf4 Nxe4 19. dxe4 e5 20. Qf3 Be6 21. Qd3 b5 22. Bd2 a5 23. Rfd1 a4 24. Bb4 Bb3 25. Re1 Rac8 26. Qd2 Rc4 27. Bf1 Rec8 28. e3 Rc2 29. Rxc2 Rxc2 30. Qd3 Rxb2 31. Qxb5 Qxb5 32. Bxb5 Bc2 33. Re2 Rb1+ 34. Kg2 Bxe4+ 35. f3 Bd5 36. exd4 Rb3 37. Rc2 h5 38. Bxa4 Rxf3 39. Rc5 Rxa3+ 40. Rxd5 Rxa4 41. Bc5 exd4 42. Rd8+ Kh7 43. Rd7 Kg8 44. Rd8+ Kh7 45. Rd7 Rc4 46. Ba7 g5 47. Rxf7 Kg6 48. Rd7 Be5 49. Kf3 Kf5 50. Rf7+ Ke6 51. Rh7 Rc3+ 52. Kg2 Rc2+ 53. Kh1 Ra2 54. Bb6 Kf5 55. h3 d3 56. Be3 Re2 57. Rf7+ Ke6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Pilnik, Herman"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1/2-1/2"]
[ECO "D19"]
[EventDate "1955.03.09"]
[PlyCount "84"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qe2 O-O 10. h3 Bg6 11. Rd1 Qe7 12. Bd2 Rfd8 13. Qe1 a5 14. Ba2 Bh5 15. e4 Bxf3 16. gxf3 e5 17. d5 Nh5 18. Kf1 Nf8 19. f4 Nxf4 20. Bxf4 exf4 21. Qe2 Ng6 22. Qf3 Bxc3 23. bxc3 Qf6 24. Rab1 Ne5 25. Qh5 g6 26. Qh6 cxd5 27. Bxd5 Rab8 28. c4 b6 29. Kg2 Rbc8 30. Rbc1 Rd6 31. Rc2 f3+ 32. Kg3 Qe7 33. Qc1 Rf6 34. Kh2 Qc7 35. Kh1 Qd7 36. Qh6 Qe7 37. Qh4 Re8 38. Rb2 Kg7 39. Rb5 Nd7 40. Rdb1 Qd6 41. c5 bxc5 42. Rxa5 Rf4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.26"]
[Round "13"]
[White "Toran Albero, Roman"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "A60"]
[EventDate "1955.03.09"]
[PlyCount "95"]

1. c4 e6 2. Nf3 Nf6 3. d4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 Be7 7. e4 O-O 8. Be2 Na6 9. O-O Nc7 10. a4 Re8 11. Qc2 Bg4 12. h3 Bh5 13. Bf4 Bf8 14. Rfe1 a6 15. a5 Rb8 16. Nd2 Bg6 17. Bd3 b5 18. axb6 Rxb6 19. Nc4 Rb4 20. Na5 Qd7 21. Nc6 Rb6 22. Na4 Rb7 23. Na5 Rb4 24. Bd2 Rexe4 25. Bxb4 Rxb4 26. Bxg6 hxg6 27. Nc6 Rb7 28. Na5 Rb5 29. Nc3 Rb4 30. Nc6 Rb6 31. Qd2 Ncxd5 32. Nxd5 Rxc6 33. Nxf6+ gxf6 34. Qd5 f5 35. Ra3 Rb6 36. Qa8 Kg7 37. Re8 Be7 38. Re3 Bg5 39. Re2 f4 40. Rg8+ Kf6 41. Qf3 Rb4 42. Qc3+ Rd4 43. Rd2 Qa4 44. Rxd4 cxd4 45. Qc7 Qb4 46. h4 Qe1+ 47. Kh2 Bxh4 48. Qxd6+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Flores Alvarez, Rodrigo"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B73"]
[EventDate "1955.03.09"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O O-O 9. h3 Bd7 10. Qd2 Rc8 11. Rad1 a6 12. Nb3 b5 13. a3 Ne5 14. Bh6 Nc4 15. Bxc4 bxc4 16. Bxg7 Kxg7 17. Nd4 Qb6 18. Rb1 e5 19. Nde2 Be6 20. Rfd1 Rfd8 21. Ng3 h6 22. Nf1 d5 23. exd5 Nxd5 24. Qe2 f6 25. Nxd5 Bxd5 26. Ne3 Bf7 27. Rxd8 Rxd8 28. Nxc4 Qb5 29. b3 Bxc4 30. Qxc4 Qxc4 31. bxc4 Rc8 32. Rb7+ Kf8 33. Rb6 Ke7 34. Rxa6 Rxc4 35. a4 h5 36. Kf1 Rxc2 37. a5 h4 38. Ra8 Ra2 39. a6 Ke6 40. a7 Kf5 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Gligoric, Svetozar"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "D18"]
[EventDate "1955.03.09"]
[PlyCount "73"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. O-O Be7 9. Qe2 O-O 10. e4 Bg6 11. Rd1 Re8 12. Bf4 Qa5 13. Bd3 a6 14. Bd2 Bb4 15. e5 Nd5 16. Bxg6 fxg6 17. Ne4 Bxd2 18. Nfxd2 Qb4 19. Qc4 Qe7 20. Qb3 b5 21. Rac1 Nb8 22. g3 Rf8 23. Nc3 Nc7 24. axb5 axb5 25. Nde4 g5 26. Qc2 Nba6 27. Qd2 h6 28. Nd6 Rf3 29. Nce4 Qd7 30. Rc3 Raf8 31. Rdc1 Rxc3 32. Qxc3 Nb8 33. Ra1 Nd5 34. Qc5 Qd8 35. Ra7 Rf3 36. Rb7 Na6 37. Qa7 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Idigoras Guisasola, Gregorio"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "E19"]
[EventDate "1955.03.09"]
[PlyCount "90"]

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 f5 10. d5 exd5 11. Ne1 d4 12. Qxd4 Bf6 13. Qd3 Bxg2 14. Nxg2 Kh8 15. Rd1 Na6 16. h4 Nc5 17. Qc2 Qe7 18. Rb1 Rae8 19. b4 Ne4 20. Bb2 f4 21. Nxf4 Bxb2 22. Rxb2 Rxf4 23. gxf4 Qxh4 24. e3 Nxf2 25. Qxf2 Qg4+ 26. Kh2 Qxd1 27. f5 Qh5+ 28. Kg2 Qg5+ 29. Kf1 Qxe3 30. f6 Qxf2+ 31. Rxf2 gxf6 32. Rxf6 Kg7 33. Rf4 Rf8 34. Rxf8 Kxf8 35. Kf2 Kf7 36. Kf3 Kf6 37. Kf4 h5 38. Kg3 h4+ 39. Kxh4 Ke5 40. Kg4 d6 41. b5 Kd4 42. Kf4 Kxc4 43. Ke4 Kxb5 44. Kd5 a5 45. Kd4 c6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Ivkov, Borislav"]
[Black "Toran Albero, Roman"]
[Result "1-0"]
[ECO "B76"]
[EventDate "1955.03.09"]
[PlyCount "81"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O Nxd4 10. Bxd4 Qa5 11. Kb1 e5 12. Be3 Be6 13. Be2 Rfc8 14. a3 a6 15. Bg5 Rc6 16. Nd5 Qxd2 17. Rxd2 Bxd5 18. Bxf6 Bxf6 19. Rxd5 Be7 20. Rhd1 f5 21. c3 Rf8 22. Bd3 Kg7 23. Bc2 Rc7 24. Re1 f4 25. Red1 g5 26. R1d3 h5 27. Bd1 Kf6 28. b4 Rfc8 29. Kb2 Bf8 30. h3 Be7 31. Bb3 Bf8 32. a4 Be7 33. a5 Rc6 34. c4 Kg7 35. b5 Rc5 36. b6 Rxd5 37. Rxd5 Kf6 38. c5 Rc6 39. cxd6 Bxd6 40. Ba4 Rc4 41. Rxd6+ 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Pachman, Ludek"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "E04"]
[EventDate "1955.03.09"]
[PlyCount "38"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. Qa4 Bd7 8. dxc5 Rc8 9. Qxc4 Qa5 10. Nc3 Qxc5 11. Qh4 Be7 12. Bg5 h6 13. Rac1 Qb4 14. Qxb4 Bxb4 15. Bd2 O-O 16. a3 Be7 17. Nb5 a6 18. Nbd4 Rfd8 19. Nb3 Be8 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Rossetto, Hector Decio"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "D32"]
[EventDate "1955.03.09"]
[PlyCount "74"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. dxc5 Bxc5 9. O-O O-O 10. b3 Be6 11. Bb2 Qe7 12. Nb5 Ne4 13. Rc1 Rac8 14. Nbd4 Bd6 15. Nxc6 bxc6 16. Rc2 f5 17. Nd4 Bd7 18. g3 Kh8 19. Ba6 Rc7 20. Nf3 Qe6 21. Qa1 Be8 22. Be2 c5 23. Be5 Re7 24. Bxd6 Qxd6 25. Qd1 Bc6 26. Nd2 d4 27. exd4 Ng5 28. h4 Re3 29. Kh2 f4 30. f3 fxg3+ 31. Kg2 Qe6 32. hxg5 Rxe2+ 33. Kxg3 Qd6+ 34. f4 Rg2+ 35. Kh3 Qe6+ 36. f5 Rxf5 37. Re1 Rf3+ 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Szabo, Laszlo"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "B38"]
[EventDate "1955.03.09"]
[PlyCount "76"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 Re8 9. dxc5 Nxc5 10. Nd4 Ne6 11. Be2 Nxd4 12. Bxd4 Be6 13. O-O Qa5 14. Rfd1 Rac8 15. b3 a6 16. Qb2 Nh5 17. Bxg7 Nxg7 18. Rac1 Rc7 19. Kh1 Qe5 20. Qa3 Nh5 21. Nd5 Bxd5 22. Rxd5 Qf4 23. Rcd1 Qh6 24. Kg1 Qe3+ 25. Kf1 Nf4 26. R5d2 Rc5 27. Qb2 Nxg2 28. Rd5 Rxd5 29. Rxd5 e6 30. Rxd6 Qf4 31. Rd7 Qxh2 32. Qf6 Rf8 33. c5 Nf4 34. Bc4 Qg2+ 35. Ke1 Qxf3 36. Qd4 h5 37. Rxb7 h4 38. Qe5 Rd8 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.27"]
[Round "14"]
[White "Wexler, Bernardo"]
[Black "Dodero, Emilio"]
[Result "1/2-1/2"]
[ECO "A09"]
[EventDate "1955.03.09"]
[PlyCount "58"]

1. Nf3 d5 2. c4 dxc4 3. Na3 e5 4. Nxe5 Bxa3 5. Qa4+ b5 6. Qxa3 Nf6 7. d3 Qd6 8. Qxd6 cxd6 9. Nf3 cxd3 10. e3 Nc6 11. Bxd3 Rb8 12. O-O Ne5 13. Be2 Nxf3+ 14. gxf3 Be6 15. Rd1 Ke7 16. e4 Bc4 17. Bxc4 bxc4 18. b3 Rhc8 19. Ba3 Ne8 20. e5 Rb6 21. Rac1 Ra6 22. Bb4 Rac6 23. bxc4 Rxc4 24. Rb1 R8c6 25. exd6+ Kd7 26. Ba3 Rb6 27. Kg2 Rxb1 28. Rxb1 Nxd6 29. Rd1 Rc6 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Bauza, Lorenzo"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "1/2-1/2"]
[ECO "D14"]
[EventDate "1955.03.09"]
[PlyCount "41"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Bf4 Nc6 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rac1 Rfc8 13. Qb5 Qe7 14. a3 Ne8 15. Qd3 Nd6 16. b4 Rc7 17. Nb5 Nxb5 18. Qxb5 Rac8 19. Nd2 Nd8 20. Nb3 Kf8 21. Rxc7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "De Greiff, Boris"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "B68"]
[EventDate "1955.03.09"]
[PlyCount "112"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Be2 Bd7 11. Nb3 Qb8 12. Bf3 Rd8 13. g4 Qc7 14. Kb1 Rac8 15. h4 b5 16. h5 Ne8 17. Bxe7 Nxe7 18. g5 Bc6 19. Nd4 b4 20. Nce2 Ba8 21. Ng3 e5 22. Ndf5 Nxf5 23. Nxf5 exf4 24. Rh2 d5 25. exd5 Qe5 26. Qd3 Nd6 27. Nxd6 Rxd6 28. g6 fxg6 29. hxg6 h6 30. Re2 Qf6 31. Bg4 Rf8 32. Be6+ Kh8 33. b3 Bb7 34. Rf2 Bc8 35. Bxc8 Rxc8 36. Re1 Rf8 37. Qe4 Qxg6 38. Rxf4 Rfd8 39. Qxg6 Rxg6 40. Rd4 a5 41. Re2 Rgd6 42. Red2 g5 43. a3 Rb8 44. Rc4 Kg7 45. Rc5 h5 46. Rxa5 g4 47. axb4 g3 48. c4 h4 49. Kc2 h3 50. Ra7+ Kh6 51. Rd4 g2 52. Ra1 Kh5 53. Re1 Rg6 54. Rd3 Kh4 55. Rd4+ Rg4 56. Rxg4+ Kxg4 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Dodero, Emilio"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "D77"]
[EventDate "1955.03.09"]
[PlyCount "59"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nbd7 8. Nxc4 Nb6 9. Nce5 c6 10. e3 Bf5 11. Qe2 Be4 12. Rd1 Nfd7 13. Nxd7 Nxd7 14. b3 Qa5 15. Ne1 Bxg2 16. Kxg2 e5 17. Bd2 Qc7 18. dxe5 Qxe5 19. Rac1 Rfd8 20. Bc3 Qe4+ 21. Qf3 Qe7 22. Bxg7 Kxg7 23. Qe2 Nf6 24. Rxd8 Rxd8 25. Rd1 Nd5 26. Qb2+ f6 27. Kg1 Kf7 28. Qd4 Ra8 29. Nf3 Nc7 30. e4 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Letelier Martner, Rene"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[ECO "B20"]
[EventDate "1955.03.09"]
[PlyCount "110"]

1. e4 c5 2. f4 Nf6 3. d3 d6 4. Nf3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nc6 8. h3 Rb8 9. Rf2 b5 10. Nbd2 e5 11. f5 d5 12. exd5 Nxd5 13. Ne4 Bxf5 14. Nxc5 Qb6 15. Nb3 Ne3 16. Bxe3 Qxe3 17. Qd2 Qb6 18. Re1 Rfe8 19. Qe3 Qc7 20. Nh4 Be6 21. Nc5 Rbd8 22. Nxe6 Rxe6 23. c3 b4 24. g4 bxc3 25. bxc3 Qa5 26. Be4 Rd7 27. Qc1 Bf8 28. Ng2 Ba3 29. Qd2 Rb7 30. Ref1 Rb2 31. Qe1 Rxf2 32. Rxf2 Bc5 33. Ne3 Nd8 34. Kh1 Rb6 35. Re2 Bxe3 36. Rxe3 Qxa2 37. Re2 Qb3 38. c4 Ne6 39. Bd5 Qxd3 40. Re3 Qc2 41. Re2 Qd3 42. Re3 Rb1 43. Rxd3 Rxe1+ 44. Kh2 Nf4 45. Ra3 Nxd5 46. cxd5 Rd1 47. Ra5 h6 48. Kg2 Rd3 49. h4 Kf8 50. g5 hxg5 51. hxg5 a6 52. Kf2 Ke7 53. Kg2 e4 54. Kf2 Rf3+ 55. Ke2 Kd6 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Najdorf, Miguel"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "E96"]
[EventDate "1955.03.09"]
[PlyCount "64"]

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 c6 9. Bf1 Re8 10. Rb1 a5 11. b3 Ng4 12. Bg5 f6 13. Bc1 exd4 14. Nxd4 f5 15. h3 Qb6 16. Nce2 Nxf2 17. Kxf2 Rxe4 18. Bb2 Nc5 19. Kg1 Ne6 20. Kh1 Nxd4 21. Nxd4 Rxd4 22. Bxd4 Qxd4 23. Qxd4 Bxd4 24. Rbd1 c5 25. Re8+ Kf7 26. Rde1 Be5 27. Rd8 b6 28. Bd3 h5 29. Bc2 Ke7 30. Rh8 Kf7 31. Rd8 Ke7 32. Rh8 Kf7 1/2-1/2

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Panno, Oscar"]
[Black "Pachman, Ludek"]
[Result "0-1"]
[ECO "A96"]
[EventDate "1955.03.09"]
[PlyCount "190"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d6 7. b3 Ne4 8. Bb2 Bf6 9. Nc3 Nc6 10. Rc1 Nxc3 11. Bxc3 Qe7 12. b4 Bd7 13. b5 Nd8 14. Qb3 Nf7 15. Nd2 c6 16. e4 e5 17. dxe5 Nxe5 18. Rfe1 Qf7 19. Bb4 c5 20. Ba3 f4 21. gxf4 Bg5 22. fxg5 Qxf2+ 23. Kh1 Qxd2 24. Rcd1 Qf4 25. Bc1 Qh4 26. Qg3 Qxg3 27. hxg3 Be6 28. Rxd6 Bxc4 29. Be3 b6 30. a4 Rad8 31. Rxd8 Rxd8 32. Ra1 Be2 33. a5 Bxb5 34. axb6 axb6 35. Rb1 Be2 36. Rxb6 Rd1+ 37. Bg1 c4 38. Re6 c3 39. Rxe5 c2 40. Rc5 c1=Q 41. Rxc1 Rxc1 42. Kh2 Bf1 43. Bf2 Rc2 44. Kg1 Bd3 45. e5 Kf7 46. Be3 Ke6 47. Bf4 g6 48. Bh3+ Kd5 49. Bg4 Be2 50. Bd7 Bf3 51. Kf1 Be4 52. Bg4 Bd3+ 53. Kg1 Ke4 54. Bd1 Rb2 55. Bg4 Bb5 56. Be6 Rc2 57. Bg8 Re2 58. Kf1 Bd3 59. Be6 Kd4 60. Kg1 Rb2 61. Bh3 Bf5 62. Bg2 Be4 63. Bh3 Bf3 64. Bc8 Bc6 65. Bh3 Rb3 66. Kf2 Rc3 67. Bf1 Bd5 68. Bh3 Kd3 69. Bf1+ Ke4 70. Bg2+ Kd4 71. Bh3 Ra3 72. Bf1 Rf3+ 73. Kg1 Rxf4 74. gxf4 Ke3 75. Bh3 Kxf4 76. Kf2 Bc6 77. Bc8 Kxg5 78. Ke3 h5 79. Kd4 Ba4 80. Ke3 Bc2 81. Kf3 Bf5 82. Bb7 Bg4+ 83. Ke3 Be6 84. Be4 Kh6 85. Kf3 g5 86. Bc6 h4 87. Be4 Kg7 88. Bc6 Kf7 89. Be4 Ke7 90. Bd3 Kd7 91. Be4 Kc7 92. Ke3 Kb6 93. Ba8 Kc5 94. Be4 h3 95. Kf2 Bd5 0-1

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Pilnik, Herman"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "E10"]
[EventDate "1955.03.09"]
[PlyCount "75"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 b6 5. d5 exd5 6. cxd5 d6 7. Nc3 g6 8. Be2 Bg7 9. O-O O-O 10. Re1 Na6 11. e4 Nc7 12. Bf1 a6 13. a4 Rb8 14. h3 Nd7 15. Bf4 Ne5 16. Nxe5 Bxe5 17. Bxe5 dxe5 18. Qc1 Ne8 19. Nb1 Nd6 20. Nd2 Re8 21. Nc4 b5 22. axb5 axb5 23. Na5 Ra8 24. Nc6 Rxa1 25. Qxa1 Qb6 26. b4 cxb4 27. Qb2 Qc5 28. Rc1 Nc4 29. Bxc4 bxc4 30. Qxb4 Qxb4 31. Nxb4 Bd7 32. Rxc4 Rb8 33. Nd3 Rb1+ 34. Kh2 f6 35. Rc7 Bb5 36. Nc5 Rc1 37. d6 Be8 38. Re7 1-0

[Event "13th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1955.03.30"]
[Round "15"]
[White "Toran Albero, Roman"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1955.03.09"]
[PlyCount "56"]

1. c4 Nf6 2. d4 g6 3. g3 c6 4. d5 d6 5. Nc3 Bg7 6. Bg2 O-O 7. Nf3 e5 8. O-O c5 9. e4 Nbd7 10. Ne1 Qe7 11. Nd3 a6 12. a3 Ne8 13. Be3 h6 14. b4 b6 15. Qd2 Kh7 16. Rab1 Ra7 17. Na4 f5 18. bxc5 bxc5 19. Nb4 Rc7 20. Nc6 Qf6 21. f4 exf4 22. gxf4 fxe4 23. Bxe4 Rf7 24. Nb6 Nxb6 25. Rxb6 Rb7 26. Rfb1 Rxb6 27. Rxb6 Qh4 28. Qf2 Qg4+ 1/2-1/2
