[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Andersson, Ulf"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A34"]
[EventDate "1973.01.13"]
[PlyCount "104"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 O-O 7. O-O c5 8. Nxd5 Qxd5 9. d3 Na6 10. a3 Qd6 11. Rb1 Bd7 12. Be3 e5 13. Nd2 Bc6 14. Nc4 Qd7 15. Bxc6 Qxc6 16. b4 cxb4 17. axb4 Nc7 18. Qb3 Nb5 19. Rfc1 Qd5 20. Na3 Qxb3 21. Rxb3 Nd4 22. Bxd4 exd4 23. Rc7 b6 24. Nb5 a5 25. Na7 Rfe8 26. Kf1 Bf8 27. b5 Re7 28. Rxe7 Bxe7 29. Nc6 Bc5 30. Rb2 a4 31. Ra2 a3 32. e3 dxe3 33. d4 Bd6 34. fxe3 f5 35. Ke2 Kf7 36. Kd3 Re8 37. Rc2 h5 38. Rf2 Re4 39. Rc2 h4 40. Rc4 hxg3 41. hxg3 Bxg3 42. Ra4 Bd6 43. Ra6 Re8 44. Kc4 Rxe3 45. Kd5 Bf8 46. Ne5+ Kg7 47. Rxb6 Rb3 48. Rxg6+ Kh7 49. Ra6 Rxb5+ 50. Kc4 Rb7 51. Nd3 Rb1 52. Ra8 Bd6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Balashov, Yury"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B76"]
[EventDate "1973.01.13"]
[PlyCount "117"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. Qd2 Nf6 8. f3 O-O 9. g4 Be6 10. Be2 Rc8 11. h4 Ne5 12. Nxe6 fxe6 13. h5 Qa5 14. hxg6 hxg6 15. Nb5 Qxb5 16. Bxb5 Nxf3+ 17. Kd1 Nxd2 18. Bxd2 Rc5 19. Bd3 Nxg4 20. Rg1 Bxb2 21. Rb1 Nf2+ 22. Ke2 Bd4 23. Rxg6+ Kf7 24. Rg2 Nxd3 25. Kxd3 Bf6 26. Rxb7 Rfc8 27. Bb4 R5c7 28. Rxc7 Rxc7 29. c4 Ke8 30. Rg8+ Kd7 31. Rb8 Kc6 32. Ba5 Rd7 33. Rc8+ Kb7 34. Rd8 Rxd8 35. Bxd8 Kc6 36. Ba5 Bb2 37. Bb4 Kb6 38. a4 Kc6 39. Ke3 Be5 40. Kd3 Bh2 41. Be1 Bg1 42. Bh4 Kd7 43. Bg5 Bc5 44. Bh4 e5 45. Bg5 e6 46. Bd2 Kc6 47. Be1 Bd4 48. Bb4 Bf2 49. Ba3 Be1 50. Ke2 Bc3 51. Kd3 Ba5 52. Bc1 Bb4 53. Be3 a6 54. Bf2 d5 55. Bg3 Bd6 56. Bf2 Ba3 57. Bh4 Kd6 58. Bf2 Bb2 59. Be3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Hartoch, Robert"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E69"]
[EventDate "1973.01.13"]
[PlyCount "45"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nd7 5. g3 e5 6. Nf3 Ngf6 7. Bg2 O-O 8. O-O c6 9. h3 Qb6 10. Re1 Re8 11. d5 Nc5 12. Re2 cxd5 13. cxd5 Bd7 14. Be3 Rec8 15. Ne1 Qa6 16. Rc2 b5 17. Nd3 Nxd3 18. Qxd3 Qb7 19. Rac1 b4 20. Nb1 Ne8 21. Nd2 f5 22. Rxc8 Rxc8 23. Rxc8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Vasiukov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B36"]
[EventDate "1973.01.13"]
[PlyCount "86"]

1. c4 g6 2. e4 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 Be6 10. Rc1 O-O 11. Qd2 Qa5 12. f3 Rfc8 13. b3 a6 14. Na4 Qxd2+ 15. Kxd2 Nd7 16. Rhd1 Rcb8 17. c5 dxc5 18. Nxc5 Nxc5 19. Rxc5 Rd8+ 20. Ke1 Rxd1+ 21. Kxd1 Rc8 22. f4 Kf8 23. Bf3 Rxc5 24. Bxc5 h5 25. e5 Bg4 26. Bxg4 hxg4 27. Ke2 Ke8 28. Kf2 f5 29. e6 Bb2 30. Ke2 Kd8 31. Bb6+ Kc8 32. Kd3 Bc1 33. g3 Bb2 34. a4 Ba3 35. Kc3 Bd6 36. Kc4 Kb8 37. b4 Kc8 38. b5 axb5+ 39. axb5 Kb8 40. Kd3 Kc8 41. Ke3 Bc7 42. Bc5 Kd8 43. Kd4 Ke8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Ljubojevic, Ljubomir"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A03"]
[EventDate "1973.01.13"]
[PlyCount "51"]

1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. f4 g6 5. Nf3 Bg7 6. Bb5+ Bd7 7. a4 O-O 8. O-O Bg4 9. Na3 Nc6 10. Qe1 Bxf3 11. Rxf3 e6 12. Bxc6 bxc6 13. d3 Nd7 14. Bxg7 Kxg7 15. e4 Qf6 16. Rb1 Rab8 17. Kh1 Rb7 18. Qa5 Rfb8 19. h3 Qd4 20. Qe1 Qb4 21. Ra1 Nf6 22. e5 Qxe1+ 23. Rxe1 Nd7 24. g4 Rb4 25. Kg2 h6 26. Kg3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Planinc, Albin"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A05"]
[EventDate "1973.01.13"]
[PlyCount "84"]

1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. O-O O-O 5. Re1 c5 6. e4 Nc6 7. c3 d6 8. d3 Ne8 9. a4 a6 10. Nbd2 Rb8 11. Nf1 b5 12. axb5 axb5 13. Bg5 b4 14. Qd2 bxc3 15. bxc3 Rb3 16. Rec1 Qb6 17. h4 Nf6 18. Ne3 Be6 19. Ne1 Rb8 20. Nd5 Bxd5 21. exd5 Ne5 22. Nc2 Rb2 23. d4 Nc4 24. Qd3 Na5 25. Na3 cxd4 26. cxd4 Nb3 27. Nc4 Nxc1 28. Bxc1 Rb3 29. Qd1 Qb5 30. Na5 Rd3 31. Qc2 Rxd4 32. Bf1 Qxd5 33. Nc6 Re8 34. Ra5 Qe4 35. Nxd4 Qxd4 36. Be3 Qb4 37. Rb5 Qe4 38. Qc7 h5 39. Rb7 Kh7 40. Bg5 Ng4 41. Qd7 Bd4 42. Rb2 Qf3 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Szabo, Laszlo"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A35"]
[EventDate "1973.01.13"]
[PlyCount "51"]

1. c4 g6 2. Nc3 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Bxc3+ 7. bxc3 Nf6 8. Nb4 Qa5 9. Nd5 Ne4 10. Qc2 Nd6 11. e4 Ne5 12. Bf4 f6 13. Be2 Ndf7 14. Be3 d6 15. Rb1 Nd7 16. O-O e6 17. Nf4 Ke7 18. Nd3 Qc7 19. f4 b6 20. f5 Nde5 21. Nf4 g5 22. Nxe6 Bxe6 23. fxe6 Nd8 24. c5 dxc5 25. Rbd1 Nxe6 26. Rd5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.14"]
[Round "1"]
[White "Zuidema, Coenraad"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B93"]
[EventDate "1973.01.13"]
[PlyCount "45"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bc4 b5 9. Bb3 Be7 10. Qe2 O-O 11. O-O Bb7 12. Kh1 Nc5 13. fxe5 Nfxe4 14. Nxe4 Bxe4 15. exd6 Qxd6 16. Bg5 Rae8 17. Rad1 Qg6 18. Bxe7 Rxe7 19. Bd5 Rfe8 20. Qf2 Bxd5 21. Rxd5 Ne4 22. Qd4 Nf6 23. Rg5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Andersson, Ulf"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A36"]
[EventDate "1973.01.13"]
[PlyCount "99"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. h4 Nf6 7. Nh3 h6 8. Nf4 d6 9. a3 Qd7 10. Rb1 b6 11. b4 Bb7 12. Qa4 O-O 13. Bd2 Rfc8 14. O-O Qe7 15. Rfc1 Ne5 16. Bxb7 Qxb7 17. Qd1 g5 18. Ng2 Nh7 19. Ne4 Qe7 20. Bc3 f5 21. Nd2 Ng6 22. Bxg7 Qxg7 23. Nf3 gxh4 24. Ngxh4 Nxh4 25. Nxh4 f4 26. Kg2 Nf6 27. Qd2 Nh5 28. Rh1 Rf8 29. Nf3 Qg6 30. Rbg1 fxg3 31. Rxh5 Qxh5 32. Rh1 Qg6 33. Rxh6 Qg7 34. Rxe6 gxf2+ 35. Kxf2 Rf6 36. Qe3 Raf8 37. Qe4 Qh6 38. Re7 R8f7 39. Rxf7 Rxf7 40. Qd5 Kg7 41. b5 Re7 42. Ng1 Qe3+ 43. Kf1 Qf4+ 44. Ke1 Qc1+ 45. Kf2 Qf4+ 46. Ke1 Re5 47. Qb7+ Kh6 48. Qa8 Re7 49. Qh1+ Kg7 50. Qd5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Donner, Jan"]
[Black "Planinc, Albin"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A61"]
[EventDate "1973.01.13"]
[PlyCount "44"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. Nc4 O-O 9. Bf4 b6 10. Bxd6 Re8 11. Bg3 Ne4 12. Nxe4 Rxe4 13. e3 b5 14. Nd6 Rb4 15. Bxb5 Bf8 16. Bc6 Ba6 17. Bxa8 Rxb2 18. Qa4 Qf6 19. Rc1 Bxd6 20. f4 Qf5 21. e4 Re2+ 22. Kd1 Qh5 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Enklaar, Bertus"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B57"]
[EventDate "1973.01.13"]
[PlyCount "94"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Ndb5 a6 8. Be3 Qa5 9. Nd4 e6 10. O-O Be7 11. f4 O-O 12. f5 d5 13. exd5 Ne5 14. Nb3 Qc7 15. Be2 exf5 16. Qd4 Bd6 17. Bf4 Bd7 18. a4 Rac8 19. Kh1 h6 20. h3 Rfe8 21. Rae1 Re7 22. Bd1 Rce8 23. Bd2 Nc4 24. Rxe7 Rxe7 25. Bc1 b5 26. axb5 axb5 27. Bf3 b4 28. Ne2 Ne5 29. Qd1 Nxf3 30. Rxf3 Qc4 31. Rd3 Ne4 32. Kg1 Qc7 33. Be3 Bb5 34. Nbd4 Bxd3 35. Qxd3 Nc5 36. Qd2 Bh2+ 37. Kh1 Ne4 38. Qxb4 Bd6 39. Qa4 Ng3+ 40. Nxg3 Rxe3 41. Nge2 Qe7 42. Qc6 Kh7 43. c3 Rd3 44. Nf3 Rd1+ 45. Neg1 Bc5 46. Kh2 Bxg1+ 47. Nxg1 Qe5+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Langeweg, Christian"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B07"]
[EventDate "1973.01.13"]
[PlyCount "34"]

1. e4 d6 2. Nf3 g6 3. d4 Nf6 4. Nbd2 Bg7 5. c3 O-O 6. Be2 Nc6 7. b4 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. O-O c6 11. Qc2 Qc7 12. Nc4 Be6 13. a4 Rfd8 14. a5 Nh5 15. Bxh5 Bxc4 16. Be2 Be6 17. Be3 f5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D59"]
[EventDate "1973.01.13"]
[PlyCount "73"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Qa4 Rc8 13. Bd3 c5 14. dxc5 bxc5 15. O-O Nd7 16. Qa3 Qf8 17. Ba6 Rcb8 18. b3 Rb4 19. h3 Qd6 20. Rfd1 Bf5 21. Bd3 Bxd3 22. Rxd3 a5 23. Qb2 a4 24. Qc2 axb3 25. axb3 Rab8 26. Rc3 Qf6 27. Qd1 Qd6 28. Ne1 d4 29. Nf3 Rd8 30. exd4 cxd4 31. Rc8 Rxc8 32. Rxc8+ Nf8 33. Qd3 g6 34. Nd2 Kg7 35. Ne4 Qe5 36. Rc5 Qb8 37. Rc4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Ree, Hans"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A10"]
[EventDate "1973.01.13"]
[PlyCount "97"]

1. c4 g6 2. e4 e5 3. d4 Nf6 4. dxe5 Nxe4 5. Qd4 Nc5 6. Nf3 Nc6 7. Qe3 Ne6 8. Nc3 d6 9. Bd2 dxe5 10. Nxe5 Nxe5 11. Qxe5 Bg7 12. Qg3 O-O 13. O-O-O a6 14. h4 h5 15. Bg5 Qe8 16. Nd5 Qa4 17. Qb3 Qxb3 18. axb3 f6 19. Be3 f5 20. g3 c5 21. Bg2 Kh7 22. Rhe1 Rb8 23. Nb6 f4 24. Bd2 fxg3 25. Nxc8 Nd4 26. Ne7 Rxf2 27. Be4 Nxb3+ 28. Kc2 Nd4+ 29. Kb1 Nb3 30. Bxg6+ Kh8 31. Bc1 Nxc1 32. Kxc1 Bxb2+ 33. Kb1 Bd4 34. Nf5 Rg8 35. Nxd4 Rxg6 36. Ne6 g2 37. Ng5 Rxg5 38. hxg5 h4 39. Kc1 Kg7 40. Re7+ Kg6 41. Re6+ Kxg5 42. Re8 h3 43. Rg8+ Kf4 44. Rf8+ Kg3 45. Rd3+ Kg4 46. Rg8+ Kf5 47. Rxh3 Rf1+ 48. Kb2 g1=Q 49. Rh5+ 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Tal, Mikhail"]
[Black "Balashov, Yury"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A14"]
[EventDate "1973.01.13"]
[PlyCount "34"]

1. Nf3 Nf6 2. c4 b6 3. g3 e6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Nc3 Ne4 10. Qc2 c5 11. cxd5 Nxc3 12. Bxc3 Bxd5 13. Rfd1 Qc7 14. d3 Rac8 15. Rac1 Rfd8 16. Qb2 Bf6 17. Bxf6 Nxf6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.15"]
[Round "2"]
[White "Vasiukov, Evgeny"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B51"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. Nc3 a6 6. Bxd7+ Nxd7 7. O-O e6 8. dxc5 Nxc5 9. Bg5 Qb6 10. Rb1 h6 11. Bh4 Bd7 12. Re1 g5 13. Bg3 Na4 14. Nxa4 Bxa4 15. b3 Bd7 16. Nd2 e5 17. Nc4 Qc6 18. Ne3 Be6 19. c4 h5 20. f3 Bh6 21. Nd5 Rc8 22. Nf6+ Ke7 23. Nd5+ Bxd5 24. exd5 Qd7 25. Qd3 f6 26. b4 b5 27. c5 dxc5 28. bxc5 Rxc5 29. Rbd1 Kf7 30. h4 gxh4 31. Bxh4 Kg7 32. Bf2 Rc4 33. d6 Rhc8 34. Qd5 h4 35. Rd3 R8c6 36. Re4 Bf4 37. Rxf4 exf4 38. Bd4 Qxd6 39. Qg5+ Kf7 40. Qh5+ Ke6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Balashov, Yury"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B09"]
[EventDate "1973.01.13"]
[PlyCount "25"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3 Na6 7. Qd2 c5 8. dxc5 Nxc5 9. Bxc5 dxc5 10. e5 Qxd2+ 11. Nxd2 Nh5 12. g3 f6 13. Nd5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Hartoch, Robert"]
[Black "Vasiukov, Evgeny"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E62"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d6 7. Nc3 Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 Bd7 11. Be3 Rc8 12. a3 Qa6 13. Nd2 Ne8 14. Rc1 f5 15. Ndb1 Nf6 16. Qd2 Be8 17. Bh6 Nbd7 18. Bxg7 Kxg7 19. b3 Bf7 20. Rfd1 Qb6 21. Qb2 e4 22. Bf1 a6 23. Na4 Qa7 24. Rxc8 Rxc8 25. Nac3 e3 26. f4 h6 27. Bg2 g5 28. Qc2 Bg6 29. Qd3 Nh5 30. Kh2 gxf4 31. gxf4 Nxf4 32. Qd4+ Qxd4 33. Rxd4 Nxg2 34. Kxg2 Ne5 35. Rb4 f4 36. Rxb7+ Kg8 37. a4 Bxb1 38. Nxb1 f3+ 39. exf3 Rc2+ 40. Kf1 Rf2+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Hort, Vlastimil"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]
[EventDate "1973.01.13"]
[PlyCount "47"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Be6 7. O-O Be7 8. d3 O-O 9. Bd2 Nb6 10. Ne4 Qd7 11. b4 f6 12. Qb1 Bg4 13. Re1 Rab8 14. Qb2 Kh8 15. Rac1 Na4 16. Qb1 Nd4 17. Nxd4 exd4 18. Qc2 Rbc8 19. Nc5 Nxc5 20. bxc5 c6 21. Qa4 Be6 22. Rc2 Rfe8 23. Rb1 Bd5 24. Qxd4 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Ljubojevic, Ljubomir"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B15"]
[EventDate "1973.01.13"]
[PlyCount "120"]

1. e4 c6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. h3 dxe4 6. Nxe4 Nf6 7. Nxf6+ exf6 8. Bc4 O-O 9. O-O Re8 10. Bb3 Nd7 11. c4 b6 12. Bf4 Bb7 13. Qc2 f5 14. a4 c5 15. d5 a5 16. Rae1 Qf6 17. Re2 Rxe2 18. Qxe2 h6 19. Re1 g5 20. Bc7 Rc8 21. Ne5 Nf8 22. d6 Be4 23. Ng4 Qxb2 24. Nxh6+ Kh7 25. Qxb2 Bxb2 26. Nxf7 Kg6 27. f3 Bc3 28. Re2 Kxf7 29. fxe4 Ne6 30. exf5 Nxc7 31. Re7+ Kf6 32. Rxc7 Rd8 33. d7 Ke7 34. Kf2 Rxd7 35. Rxd7+ Kxd7 36. Kf3 Ke7 37. Ke4 Kd6 38. Bd1 Be1 39. Bh5 Bc3 40. Bg6 Bf6 41. Bf7 Ke7 42. Bg8 Kd6 43. Bf7 Ke7 44. Be6 Kd6 45. Kf3 Ke5 46. Kg4 Be7 47. g3 Kf6 48. Bd7 Bd8 49. Bc6 Be7 50. Bf3 Bd8 51. Bd1 Be7 52. Bc2 Bd6 53. h4 gxh4 54. gxh4 Bc7 55. h5 Bd6 56. Bb1 Bc7 57. h6 Be5 58. Bc2 Ke7 59. Kg5 Bf6+ 60. Kf4 Kd6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Planinc, Albin"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B99"]
[EventDate "1973.01.13"]
[PlyCount "39"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 e6 8. Qf3 Be7 9. O-O-O Qc7 10. Bd3 h6 11. Qh3 Nc5 12. Rhe1 Rg8 13. e5 dxe5 14. fxe5 hxg5 15. exf6 Bxf6 16. Nd5 Qd8 17. Bh7 Rh8 18. Nf5 g4 19. Qg3 Kf8 20. Nxf6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Ribli, Zoltan"]
[Black "Enklaar, Bertus"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A30"]
[EventDate "1973.01.13"]
[PlyCount "72"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. c4 g6 6. b3 Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 Nc6 10. Qh4 h6 11. Ne5 Qc7 12. Na3 g5 13. Qh3 Nxe5 14. Bxb7 Qxb7 15. Bxe5 Qe4 16. Bc3 Qxe2 17. Rfe1 Qf3 18. Re3 Qc6 19. Rae1 d5 20. Nb5 g4 21. Qh4 dxc4 22. Nd4 Qc8 23. bxc4 Rd8 24. Bb2 Nh7 25. Ne6 Bxb2 26. Nxd8 Bf6 27. Qxh6 Ng5 28. Nxf7 Kxf7 29. Qh5+ Kf8 30. Qh6+ Kf7 31. Qh5+ Kg7 32. Rxe7+ Bxe7 33. Rxe7+ Kf6 34. Re3 Qf5 35. Qh6+ Kf7 36. Qd6 Nh3+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.17"]
[Round "3"]
[White "Zuidema, Coenraad"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B47"]
[EventDate "1973.01.13"]
[PlyCount "113"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Be7 9. Re1 Nxd4 10. Qxd4 Bc5 11. Qd1 d6 12. Be3 e5 13. Bxc5 Qxc5 14. Qd2 Be6 15. Rad1 Ke7 16. Re3 Rac8 17. Na4 Qc7 18. Rc3 Qb8 19. Nb6 Rc6 20. Rxc6 bxc6 21. Qa5 Qa7 22. c4 c5 23. b4 Qc7 24. bxc5 Qxc5 25. Qxa6 Rb8 26. Na4 Qc7 27. c5 dxc5 28. Nc3 Qb6 29. Qe2 Kf8 30. h3 c4 31. Kh2 Qa5 32. Qd2 Ke8 33. Qd6 Rc8 34. Nd5 Qc5 35. Qxe5 c3 36. Rc1 c2 37. Qf4 Nxd5 38. exd5 Bxd5 39. Qa4+ Ke7 40. Bxd5 Qxd5 41. Rxc2 Rxc2 42. Qxc2 h5 43. h4 g5 44. hxg5 Qxg5 45. Qe4+ Kf8 46. a4 Qc5 47. Qe3 Qb4 48. Qh6+ Kg8 49. Qg5+ Kf8 50. Qxh5 Qxa4 51. Qh8+ Ke7 52. Qh4+ Qxh4+ 53. gxh4 Kf6 54. Kg3 Kf5 55. Kf3 Kg6 56. Kg4 Kh6 57. h5 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.20"]
[Round "3"]
[White "Szabo, Laszlo"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D35"]
[EventDate "1973.01.13"]
[PlyCount "31"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. cxd5 exd5 6. Bg5 Be7 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. O-O O-O 11. Bxf6 Nxf6 12. Ne5 Nd7 13. Nxd7 Qxd7 14. Rab1 a5 15. Na4 Rae8 16. Rfc1 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Andersson, Ulf"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A16"]
[EventDate "1973.01.13"]
[PlyCount "46"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ Bd7 6. Qc2 Nb6 7. g3 Bg7 8. Bg2 Nc6 9. d3 O-O 10. O-O Nc8 11. Ne4 Nd6 12. Nc5 Be8 13. Bd2 b6 14. Nb3 Rc8 15. Rac1 a5 16. Bc3 Nb4 17. Qb1 c5 18. Bxg7 Kxg7 19. Nbd2 Bc6 20. b3 Nf5 21. a3 Na6 22. e3 f6 23. Rfd1 Qd7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Donner, Jan"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E92"]
[EventDate "1973.01.13"]
[PlyCount "42"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nh5 8. g3 Nd7 9. Be3 Nhf6 10. Nd2 c6 11. a3 a6 12. b4 cxd5 13. cxd5 Ne8 14. Nc4 f5 15. f3 Ndf6 16. Rc1 fxe4 17. fxe4 Bh3 18. Bf1 Bg4 19. Be2 Bh3 20. Bf1 Bg4 21. Be2 Bh3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Hort, Vlastimil"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A31"]
[EventDate "1973.01.13"]
[PlyCount "115"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 d6 7. e4 e6 8. Be3 Be7 9. Be2 O-O 10. O-O Nbd7 11. Qd2 a6 12. Rfd1 Qc7 13. Rac1 Rac8 14. Bf1 Qb8 15. Qf2 Rfe8 16. Kh1 Bf8 17. Nc2 Ne5 18. Bxb6 Nxc4 19. Bxc4 Rxc4 20. Bd4 Nd7 21. Qg3 Rc6 22. Ne3 e5 23. Nf5 d5 24. Bg1 d4 25. Ne2 Rg6 26. Qe1 Nc5 27. Qa5 Rc6 28. Nexd4 exd4 29. Bxd4 Qc8 30. Bc3 Ne6 31. Qe5 f6 32. Qg3 Kh8 33. h4 Bb4 34. Kh2 Bxc3 35. Rxc3 Rxc3 36. bxc3 Rf8 37. Rd6 Rf7 38. h5 Ng5 39. Rb6 Qc7 40. Qxc7 Rxc7 41. Nd6 Rxc3 42. Rxb7 h6 43. Nf5 Ne6 44. Re7 Nf4 45. Rxg7 Rc2 46. Rg4 Ne6 47. Nxh6 Rxa2 48. Ng8 Ra5 49. Nxf6 Rg5 50. Rxg5 Nxg5 51. Nd5 a5 52. Nc3 Ne6 53. g4 Kg7 54. Kg3 Nc5 55. g5 a4 56. Nb5 Kh7 57. Kg4 Kg7 58. e5 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Langeweg, Christian"]
[Black "Planinc, Albin"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A05"]
[EventDate "1973.01.13"]
[PlyCount "83"]

1. Nf3 b6 2. e4 Bb7 3. d3 c5 4. g3 g6 5. Bg2 Bg7 6. O-O Nf6 7. e5 Nd5 8. Re1 O-O 9. h4 Nc6 10. h5 Nc7 11. c3 d6 12. exd6 exd6 13. Nbd2 Qd7 14. Nc4 b5 15. h6 Bh8 16. Ncd2 Ne6 17. Ne4 Rae8 18. Be3 Ne7 19. Bh3 Nd5 20. Bd2 f5 21. Neg5 Nxg5 22. Nxg5 Rxe1+ 23. Bxe1 Bf6 24. Bd2 Re8 25. Qb3 Re2 26. Ne4 c4 27. dxc4 Rxe4 28. cxd5 a6 29. Bg2 Re2 30. Qd1 Re8 31. Qc2 Qf7 32. Qd3 Bd8 33. Bf4 Qf6 34. Be3 g5 35. Bh3 Rf8 36. a4 Qf7 37. axb5 Bxd5 38. Rxa6 f4 39. gxf4 gxf4 40. Bxf4 Bc4 41. Qg3+ Kh8 42. Rxd6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Balashov, Yury"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E14"]
[EventDate "1973.01.13"]
[PlyCount "39"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. Nbd2 Bd6 7. O-O O-O 8. b3 Nbd7 9. Bb2 Ne4 10. Qe2 Qe7 11. Rad1 Rad8 12. Nb1 f5 13. Ne5 Bxe5 14. dxe5 Nec5 15. Bc2 dxc4 16. bxc4 Be4 17. Na3 Nb8 18. f3 Bxc2 19. Nxc2 Rxd1 20. Rxd1 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Ree, Hans"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E32"]
[EventDate "1973.01.13"]
[PlyCount "65"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 Re8 8. e3 h6 9. Bh4 e5 10. dxe5 dxe5 11. Rd1 Qe7 12. Nf3 Bg4 13. Be2 Nc6 14. h3 Bf5 15. Bxf6 Qxf6 16. b4 Qe7 17. b5 Nd8 18. c5 c6 19. O-O Rc8 20. bxc6 Nxc6 21. Rd6 e4 22. Nd4 Qe5 23. Bb5 Nxd4 24. Qxd4 Qxd4 25. exd4 Red8 26. Rxd8+ Rxd8 27. Rd1 Be6 28. c6 bxc6 29. Bxc6 Bd5 30. Bxd5 Rxd5 31. g4 Kf8 32. f3 exf3 33. Kf2 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Tal, Mikhail"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B51"]
[EventDate "1973.01.13"]
[PlyCount "96"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 a6 9. Bc4 b5 10. Bd5 Rb8 11. a4 Nxd5 12. Nxd5 Nf6 13. Nxf6+ Qxf6 14. axb5 Rxb5 15. O-O Be7 16. b3 O-O 17. c4 Rb8 18. Nd2 Rd8 19. Rfd1 Qe6 20. f3 g6 21. Qc2 Rd7 22. Nb1 Rdb7 23. Ra3 f5 24. Nc3 f4 25. Bf2 Bf8 26. Nd5 Rg7 27. b4 g5 28. c5 dxc5 29. Bxc5 Bb7 30. Rc3 Kh8 31. Bxf8 Rxf8 32. Rc7 Rff7 33. Rxf7 Rxf7 34. Qc5 Kh7 35. Nc3 Rf6 36. Rd8 Qb6 37. Rd7+ Kg6 38. Nd5 Bxd5 39. exd5 a5 40. Qxb6 Rxb6 41. bxa5 Ra6 42. Re7 Kf5 43. Rf7+ Kg6 44. Rb7 Rxa5 45. d6 Rd5 46. d7 h5 47. Kf2 g4 48. g3 Kf6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.18"]
[Round "4"]
[White "Vasiukov, Evgeny"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C95"]
[EventDate "1973.01.13"]
[PlyCount "77"]

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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. b4 Bf8 14. a4 d5 15. dxe5 Nxe4 16. Nxe4 dxe4 17. Bg5 f6 18. Bxe4 Bxe4 19. Rxe4 Nxe5 20. Rd4 Nxf3+ 21. Qxf3 Qc8 22. Be3 c5 23. Qd5+ Kh8 24. Rh4 cxb4 25. Qd3 h6 26. cxb4 bxa4 27. Rxa4 Re5 28. Rd4 Qe8 29. Ra1 Qb5 30. Qg6 Qe8 31. Qd3 Qb5 32. Qxb5 Rxb5 33. Bd2 Rab8 34. Ra4 R8b6 35. Rd8 Kg8 36. Kf1 Kf7 37. Rd7+ Ke6 38. Ra7 Bxb4 39. Bxb4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Balashov, Yury"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E56"]
[EventDate "1973.01.13"]
[PlyCount "81"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 O-O 6. Be2 dxc4 7. Bxc4 c5 8. O-O Nc6 9. a3 Ba5 10. Ne2 cxd4 11. exd4 h6 12. Bf4 Bc7 13. Bg3 Bxg3 14. hxg3 Qb6 15. b4 Rd8 16. Qd2 Bd7 17. Rac1 Rac8 18. Bd3 Ne7 19. Rc5 Qd6 20. Ne5 b6 21. Rxc8 Bxc8 22. g4 Bb7 23. g5 hxg5 24. Qxg5 Be4 25. Bxe4 Nxe4 26. Qh5 Rf8 27. Rc1 Nf5 28. Qf3 Nf6 29. Nc6 Rc8 30. Ng3 Nd5 31. Nxf5 exf5 32. b5 Qe6 33. Rc2 Re8 34. Ne5 Nf6 35. Qc6 Qb3 36. Qc4 Qxc4 37. Rxc4 Nd5 38. Kf1 f6 39. Nc6 g5 40. Nxa7 Kf8 41. Nc8 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Enklaar, Bertus"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B40"]
[EventDate "1973.01.13"]
[PlyCount "109"]

1. e4 c5 2. c3 e6 3. Nf3 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. O-O Bd6 8. d4 Nc6 9. dxc5 Bxc5 10. Nbd2 Nge7 11. Nb3 Bb6 12. Re1 O-O 13. Be3 Bc7 14. Qd2 Rad8 15. Rad1 Qg4 16. Nbd4 Ng6 17. h3 Qd7 18. Nxc6 Qxc6 19. Bd4 Rfe8 20. Rxe8+ Rxe8 21. Be3 Rd8 22. Qc2 a6 23. Rd2 h6 24. Nd4 Qd6 25. g3 Re8 26. Qd3 Qd7 27. Kg2 Re5 28. Qe2 Re4 29. Qh5 Ne7 30. Qf3 f5 31. Nb3 b6 32. Rd4 Qb5 33. Qd1 a5 34. Qd3 Qc6 35. Nd2 Re6 36. f4 b5 37. Nf3 Bb6 38. Qd2 Bxd4 39. Nxd4 Qd7 40. Nxe6 Qxe6 41. Qd3 Qe4+ 42. Qxe4 dxe4 43. Kf2 Kf7 44. Ke2 Ke6 45. Kd2 Nd5 46. h4 Nf6 47. Ke2 Kd5 48. b3 Nd7 49. Bd4 g6 50. Bg7 h5 51. Bd4 Nb8 52. Ke3 Nc6 53. Bb6 a4 54. Kd2 Nb8 55. Ke3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Hartoch, Robert"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A34"]
[EventDate "1973.01.13"]
[PlyCount "119"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 g6 7. O-O Bg7 8. Nxd5 Qxd5 9. d3 Qd6 10. Nd2 b6 11. a3 Be6 12. Rb1 Rc8 13. Ne4 Qd7 14. Ng5 Bf5 15. b4 c4 16. e4 Bg4 17. f3 Be6 18. Nxe6 Qxe6 19. dxc4 Qxc4 20. Be3 O-O 21. Rf2 Rfd8 22. Rd2 Qc3 23. Rxd8+ Rxd8 24. Qb3 Rd3 25. Qxc3 Rxc3 26. Bg5 h6 27. Bd2 Rd3 28. b5 Bd4+ 29. Kh1 Rxd2 30. bxc6 Rc2 31. Bf1 Rxc6 32. Rd1 e5 33. f4 f6 34. fxe5 fxe5 35. Bb5 Rc3 36. Rf1 Kg7 37. a4 h5 38. Re1 Kf7 39. Kg2 Ke7 40. Re2 g5 41. Rd2 g4 42. h3 Rc1 43. hxg4 hxg4 44. Ra2 Rg1+ 45. Kh2 Re1 46. Be2 Kf6 47. Kg2 Kg5 48. Kh2 Rc1 49. Bb5 Rc3 50. Kg2 Re3 51. Re2 Ra3 52. Rc2 Bc5 53. Bc6 a6 54. Rd2 Bd4 55. Rc2 Kf6 56. Bd7 Ke7 57. Bc6 Kd6 58. Be8 Bc3 59. Kf2 Kc5 60. Bd7 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Ljubojevic, Ljubomir"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C44"]
[EventDate "1973.01.13"]
[PlyCount "77"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 d5 7. Qe2 O-O 8. O-O a5 9. Na3 Re8 10. Nb5 a4 11. Bg5 dxe4 12. dxe4 h6 13. Rad1 Qe7 14. Bd2 Be6 15. c4 Red8 16. Bc3 Nh7 17. h4 Bg4 18. Qe3 Nf8 19. Rd5 Be6 20. a3 f6 21. Rc1 Rd7 22. Ne1 Nd8 23. Bb4 Qe8 24. Nd3 b6 25. c5 c6 26. Rxd7 Qxd7 27. Nd6 b5 28. f4 Bf7 29. Bc3 Qe7 30. Bh3 exf4 31. gxf4 f5 32. Ne5 fxe4 33. Ndxf7 Nxf7 34. Nxc6 Qxh4 35. Bxg7 Kxg7 36. Nd4 Qf6 37. c6 Nd6 38. c7 Nc8 39. Qxe4 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Planinc, Albin"]
[Black "Vasiukov, Evgeny"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C32"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. Qe2 Be7 6. Nxe4 O-O 7. Nxf6+ Bxf6 8. Qf3 Re8+ 9. Kd1 c6 10. Bc4 b5 11. Bb3 Bb7 12. Ne2 a5 13. a3 c5 14. d3 a4 15. Ba2 Nd7 16. Nc3 b4 17. Ne4 b3 18. Nd6 bxa2 19. Nxe8 Qxe8 20. Rxa2 Nb6 21. c4 Qd7 22. Ra1 Nxd5 23. cxd5 Bxd5 24. Qg3 Bb3+ 25. Kd2 Rd8 26. Re1 c4 27. Re3 Qc7 28. d4 Bxd4 29. Ke2 Bc2 30. Qh4 h6 31. Qe7 Qb8 32. Bd2 Bf6 33. Qb4 Qxf4 34. g3 Bd3+ 35. Kd1 Qf1+ 36. Re1 Qf3+ 37. Kc1 Bf5 38. Qxa4 Bxb2+ 39. Kxb2 Rxd2+ 40. Kc1 Qc3+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Ribli, Zoltan"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E17"]
[EventDate "1973.01.13"]
[PlyCount "109"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 b6 7. cxd5 exd5 8. Nc3 Bb7 9. b3 Ne4 10. Bb2 Nxc3 11. Bxc3 Nd7 12. Rc1 Nf6 13. Bb2 Bd6 14. Qc2 Ne4 15. Ne5 c5 16. dxc5 Bxc5 17. Nd3 Bd6 18. Rfd1 Qg5 19. Qb1 h5 20. Qa1 Rfe8 21. Bd4 h4 22. Be3 Qh5 23. Bf4 Be7 24. Bf3 Qf5 25. Qe5 Qxe5 26. Bxe5 hxg3 27. hxg3 Rac8 28. Rxc8 Rxc8 29. Nf4 Rd8 30. Rc1 Bc5 31. Nd3 Rc8 32. Rd1 Be7 33. Nf4 Rd8 34. e3 g5 35. Nh5 f6 36. Bb2 Kf7 37. g4 Bc8 38. Kg2 f5 39. gxf5 Bxf5 40. Ng3 Bg6 41. Be5 Bf6 42. Bc7 Rc8 43. Rxd5 Nxf2 44. Rd7+ Ke6 45. Rd6+ Ke7 46. Rc6 Nd3 47. Bg4 Ra8 48. Bd6+ Kf7 49. Rc7+ Kg8 50. Bf5 Bxf5 51. Nxf5 a5 52. Kf3 Re8 53. Kg4 Re6 54. Nh6+ Kh8 55. Kf5 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Szabo, Laszlo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A49"]
[EventDate "1973.01.13"]
[PlyCount "70"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 e5 7. dxe5 Ng4 8. h3 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Nd2 Nc6 12. O-O-O Be6 13. Ne4 Rxd1+ 14. Rxd1 Rd8 15. Nc5 Bc8 16. Bxc6 Rxd1+ 17. Kxd1 bxc6 18. h4 f6 19. Bc1 Kf7 20. Be3 a6 21. Kd2 Bf8 22. Nd3 e4 23. Nc5 Bxc5 24. Bxc5 Bg4 25. Ke3 Ke6 26. Bb4 h5 27. c4 Kd7 28. Bc3 Ke6 29. Bd4 Ke7 30. a4 Ke6 31. a5 Ke7 32. Bb2 Ke6 33. b4 Ke7 34. b5 cxb5 35. cxb5 axb5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.19"]
[Round "5"]
[White "Zuidema, Coenraad"]
[Black "Andersson, Ulf"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C16"]
[EventDate "1973.01.13"]
[PlyCount "88"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bf8 6. f4 Ne7 7. Be3 h5 8. Nf3 Qd7 9. Bf2 Nf5 10. Bd3 Ba6 11. Bxa6 Nxa6 12. Qd3 Nb8 13. Ne2 c5 14. b3 Nc6 15. c3 Rc8 16. O-O c4 17. bxc4 dxc4 18. Qb1 Nce7 19. a4 Nd5 20. Qb5 Rc6 21. Nd2 Nc7 22. Qb1 Be7 23. Ng3 Nd5 24. Ne2 a6 25. Ne4 h4 26. h3 Rc8 27. Kh2 Qc6 28. Be1 Rb8 29. Rf3 O-O 30. Nd2 b5 31. axb5 axb5 32. Bf2 Ra8 33. Rxa8 Rxa8 34. Ne4 Qa6 35. Ng1 Qa4 36. Nc5 Qa5 37. Ne4 g6 38. Qb2 Kg7 39. Qb1 Ra6 40. Nc5 Bxc5 41. dxc5 Nxc3 42. Qe1 Nd5 43. Bxh4 Qxe1 44. Bxe1 Nd4 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Andersson, Ulf"]
[Black "Planinc, Albin"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B08"]
[EventDate "1973.01.13"]
[PlyCount "157"]

1. Nf3 g6 2. e4 d6 3. d4 Bg7 4. Be2 Nf6 5. Nc3 O-O 6. O-O Nc6 7. Be3 Ng4 8. Bg5 f6 9. Bh4 e5 10. dxe5 dxe5 11. Qxd8 Nxd8 12. Nd5 Ne6 13. Bc4 Rf7 14. h3 Nh6 15. Rfd1 c6 16. Ne3 Bf8 17. c3 Kg7 18. Ne1 Rc7 19. f3 f5 20. exf5 gxf5 21. Nd3 Bd6 22. Bxe6 Bxe6 23. Nf4 exf4 24. Rxd6 Re8 25. Nc2 Nf7 26. Rd2 Ne5 27. Re1 Ng6 28. Bf2 c5 29. Na3 Rc6 30. Nc4 b6 31. b3 a5 32. Nd6 Re7 33. c4 Kf6 34. Nb5 Bf7 35. Kf1 Rxe1+ 36. Bxe1 Ke7 37. Nc3 Rd6 38. Ke2 Rxd2+ 39. Bxd2 Kd6 40. a4 Be6 41. Nd1 Kd7 42. Nb2 Ne5 43. Nd3 Nxd3 44. Kxd3 Bf7 45. Bxf4 Bg6 46. Ke3 Kc6 47. Be5 Kd7 48. Kf4 Kc6 49. Bh8 Kd6 50. Bg7 Kd7 51. Bf8 Ke6 52. Bh6 Kd7 53. Bg5 Kc8 54. Bf6 Kd7 55. Ba1 Kd6 56. Bb2 Kd7 57. Bc3 Kc6 58. Be5 Kd7 59. h4 Kc6 60. Kg5 f4 61. h5 Bc2 62. Kh6 Kd7 63. Bxf4 Ke6 64. Bc7 Kf7 65. Bxb6 Kg8 66. f4 Bxb3 67. g4 Bxa4 68. g5 Bb3 69. Bxc5 Bxc4 70. g6 Bd3 71. Kg5 hxg6 72. hxg6 a4 73. f5 Bc2 74. f6 Bb3 75. Kf4 Ba2 76. Ke5 Bc4 77. Kd6 Kf8 78. Kd7+ Kg8 79. Ke7 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Donner, Jan"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A75"]
[EventDate "1973.01.13"]
[PlyCount "82"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Qc2 Bg4 11. Bf4 a6 12. a4 Qc7 13. Rfe1 Nbd7 14. a5 Re7 15. Nd2 Bxe2 16. Rxe2 Rf8 17. Nc4 Ne8 18. Na4 Bd4 19. Rae1 f6 20. Be3 Bxe3 21. Rxe3 Ne5 22. Nab6 Qd8 23. f4 Ng4 24. R3e2 Nc7 25. h3 Nh6 26. b4 cxb4 27. Qb2 Nb5 28. Qxb4 g5 29. fxg5 fxg5 30. Qd2 Rg7 31. e5 dxe5 32. Rxe5 Nf5 33. Rf1 Nfd6 34. Rxf8+ Kxf8 35. Re6 Rg6 36. Qf2+ Kg8 37. Nxd6 Nxd6 38. Qg3 Kf7 39. Qe5 Qc7 40. Rxg6 Kxg6 41. Qe3 Qf7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Hort, Vlastimil"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A12"]
[EventDate "1973.01.13"]
[PlyCount "46"]

1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O h6 8. d3 O-O 9. Nbd2 Bh7 10. Qc2 Nbd7 11. Rad1 Qb8 12. e4 dxe4 13. dxe4 a5 14. Rfe1 Nc5 15. Ne5 Rd8 16. Qc3 Ne8 17. Ba3 Qc7 18. Bxc5 Bxc5 19. Nd3 Bd4 20. Qc2 c5 21. Nf3 Nf6 22. Nf4 e5 23. Nxd4 Rxd4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Langeweg, Christian"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A81"]
[EventDate "1973.01.13"]
[PlyCount "86"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. b3 c5 7. Bb2 cxd4 8. Nxd4 d5 9. c4 e5 10. Nc2 e4 11. cxd5 Nxd5 12. Bxg7 Kxg7 13. Qd4+ Nf6 14. Rd1 Nc6 15. Qxd8 Rxd8 16. Rxd8 Nxd8 17. Nd2 Bd7 18. f3 Rc8 19. Ne3 Rc3 20. Kf2 exf3 21. exf3 Ne6 22. Rd1 f4 23. Nec4 Rc2 24. a4 Nc5 25. Rb1 Bf5 26. Bf1 Nd5 27. Rb2 Nb4 28. Rxc2 Bxc2 29. Nd6 fxg3+ 30. hxg3 Nxb3 31. N2c4 Nc5 32. a5 Kf6 33. Ke3 Nc6 34. f4 Bb3 35. Bg2 Bxc4 36. Nxc4 Ke6 37. g4 a6 38. g5 Nb3 39. Bxc6 bxc6 40. Ke4 Nc5+ 41. Kd4 Nb7 42. Ne3 c5+ 43. Kc4 Kd6 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Ljubojevic, Ljubomir"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B44"]
[EventDate "1973.01.13"]
[PlyCount "65"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N5c3 Be7 8. Be2 O-O 9. O-O b6 10. f4 Bb7 11. Bf3 a6 12. Be3 Rb8 13. Na3 Nd7 14. Rc1 Ba8 15. Qe2 Re8 16. Rfd1 Bf8 17. Nc2 Qc8 18. Kh1 g6 19. b4 Na7 20. Bd4 Qc7 21. b5 a5 22. Ne3 Rbd8 23. Qf2 Nc8 24. Qh4 Ne7 25. Ng4 Bg7 26. Nh6+ Kf8 27. Bxg7+ Kxg7 28. Nxf7 Kxf7 29. Nd5 exd5 30. cxd5 Qb8 31. Qxh7+ Kf8 32. Bg4 Ng8 33. Be6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Ribli, Zoltan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A10"]
[EventDate "1973.01.13"]
[PlyCount "209"]

1. c4 g6 2. e4 e5 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 f5 6. exf6 Nxf6 7. Qd1 Bg7 8. Nc3 O-O 9. Be2 d6 10. Nf3 Nc6 11. O-O Kh8 12. h3 Be6 13. Be3 d5 14. cxd5 Nxd5 15. Nxd5 Qxd5 16. Qc1 Rad8 17. Bh6 Bxh6 18. Qxh6 Nd4 19. Nxd4 Qxd4 20. Bf3 b6 21. Rae1 Qf6 22. b3 Bd5 23. Bxd5 Rxd5 24. Re6 Qf7 25. Rxg6 Rf5 26. Rg5 Rxf2 27. Qxf8+ Qxf8 28. Rxf2 Qe7 29. Rgf5 Kg7 30. R5f3 c5 31. Rg3+ Kh8 32. Rf5 h6 33. Rd5 Qe1+ 34. Kh2 Qe4 35. Rd8+ Kh7 36. Rd7+ Kh8 37. Rd8+ Kh7 38. Rd7+ Kh8 39. Rf3 Kg8 40. Rxa7 Qe5+ 41. Kg1 Qd4+ 42. Rf2 b5 43. Raf7 c4 44. bxc4 bxc4 45. R7f4 Qd1+ 46. Kh2 c3 47. Rc4 Qd3 48. Rg4+ Kh7 49. Rg3 Qd6 50. Rc2 h5 51. h4 Qf4 52. Rcxc3 Qxh4+ 53. Kg1 Qd4+ 54. Kh1 Qh4+ 55. Rh3 Qe4 56. Kh2 Qe5+ 57. Rcg3 Kh6 58. Rh4 Qe7 59. Rf4 Qe5 60. Rgf3 Kg6 61. a3 Kg5 62. Kh3 Qe6+ 63. Rf5+ Kg6 64. Kh2 Qd6+ 65. Kh1 Qd1+ 66. Rf1 Qa4 67. Rf6+ Kg7 68. R6f3 Kg6 69. Kh2 Qh4+ 70. Rh3 Qe4 71. Rg3+ Kh6 72. Rf6+ Kh7 73. Kh3 Qe1 74. Rgf3 Qh1+ 75. Kg3 Kg7 76. Rf1 h4+ 77. Kf2 Qh2 78. Rf3 Kg6 79. Rd1 Qe5 80. Kg1 Kg5 81. Rdf1 Kg6 82. Rf6+ Kg7 83. Rf7+ Kg8 84. R7f4 Qe3+ 85. Kh1 Qxa3 86. Rg4+ Kh7 87. Rxh4+ Kg7 88. Rg4+ Kh6 89. Rf3 Qa1+ 90. Kh2 Qe5+ 91. Rfg3 Kh5 92. Rg8 Kh6 93. Rh8+ Qxh8 94. Rh3+ Kg7 95. Rxh8 Kxh8 96. Kg3 Kg7 97. Kg4 Kg6 98. g3 Kf6 99. Kh5 Kg7 100. Kg5 Kh7 101. Kf6 Kg8 102. Kg6 Kh8 103. g4 Kg8 104. g5 Kh8 105. Kf7 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Ree, Hans"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B79"]
[EventDate "1973.01.13"]
[PlyCount "64"]

1. Nf3 g6 2. e4 c5 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. O-O-O Qa5 11. Bb3 Rfc8 12. Kb1 Ne5 13. Bg5 Nc4 14. Bxc4 Rxc4 15. Nb3 Qe5 16. Rhe1 Rxc3 17. bxc3 Be6 18. Be3 Rc8 19. Bd4 Qb5 20. Ka1 Qa4 21. Rb1 Bf8 22. f4 Nd7 23. f5 Bc4 24. h4 e5 25. fxe6 Bxe6 26. h5 Ne5 27. hxg6 hxg6 28. Rh1 Bg7 29. Qg5 b5 30. Qe7 Bf8 31. Qf6 Bg7 32. Qe7 Bf8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.22"]
[Round "6"]
[White "Vasiukov, Evgeny"]
[Black "Balashov, Yury"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A13"]
[EventDate "1973.01.13"]
[PlyCount "38"]

1. b3 Nf6 2. Bb2 e6 3. c4 c5 4. Nf3 Nc6 5. e3 Be7 6. Nc3 O-O 7. Be2 d5 8. cxd5 Nxd5 9. O-O Nf6 10. Rc1 b6 11. Qc2 Bb7 12. Rfd1 Rc8 13. Qb1 Rc7 14. d4 cxd4 15. Nb5 Rd7 16. Nbxd4 Nxd4 17. Bxd4 Qa8 18. Qb2 Rc8 19. Rxc8+ Qxc8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Balashov, Yury"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B85"]
[EventDate "1973.01.13"]
[PlyCount "45"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 d6 9. f4 Be7 10. Qe1 O-O 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Bd3 g6 15. f5 Rae8 16. Qh3 gxf5 17. Qh6 e5 18. Rxf5 Ng4 19. Qh3 exd4 20. Nd5 Qd7 21. e5 Kh8 22. Rh5 f5 23. e6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Enklaar, Bertus"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]
[EventDate "1973.01.13"]
[PlyCount "87"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 e6 8. Qe2 dxe5 9. dxe5 Bb4+ 10. Bd2 Bxd2+ 11. Nbxd2 Na5 12. O-O Nxc4 13. Nxc4 O-O 14. Nd6 Qb6 15. Rad1 Bd7 16. Rd4 f5 17. Rfd1 Qa6 18. Qxa6 bxa6 19. Rc4 Rab8 20. Rd2 Rb6 21. Rc5 h6 22. h4 f4 23. b3 Rc6 24. Rxc6 Bxc6 25. Nd4 Bd7 26. Rc2 Kh7 27. Rc5 Kg6 28. Ra5 Nc7 29. Ne4 Rd8 30. Nc5 Kh5 31. Nxa6 Bc8 32. Nxc7 Rxd4 33. Rxa7 Rd1+ 34. Kh2 Kxh4 35. Ne8 g5 36. f3 g4 37. fxg4 Rd2 38. Rh7 f3 39. Rxh6+ Kxg4 40. Rg6+ Kf5 41. Rf6+ Kxe5 42. Rxf3 Bb7 43. Rg3 Rxa2 44. Nc7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Hartoch, Robert"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B36"]
[EventDate "1973.01.13"]
[PlyCount "36"]

1. Nf3 g6 2. e4 c5 3. c4 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Nc6 7. f3 Bg7 8. Nc2 Nd7 9. Be3 Bxc3+ 10. bxc3 Qa5 11. Qd2 Nc5 12. Be2 O-O 13. Nd4 Ne5 14. Rb1 Qc7 15. O-O b6 16. Bh6 Re8 17. Nc2 f6 18. Nb4 e6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Planinc, Albin"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C19"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Nbc6 9. a4 Bd7 10. Be2 c4 11. O-O f6 12. exf6 gxf6 13. Nh4 Ng6 14. Bh5 O-O-O 15. Bxg6 hxg6 16. Nxg6 Rhg8 17. Nf4 e5 18. Ne2 Rg4 19. f3 Rg6 20. Rf2 Rdg8 21. Ng3 Kb8 22. dxe5 fxe5 23. f4 Rf6 24. Qe2 e4 25. f5 Ka8 26. Raf1 Ne5 27. Qe3 Rf7 28. Rf4 Qxa4 29. Qd4 Re8 30. Be3 Qa5 31. Rd1 Ba4 32. Qxd5 Qxd5 33. Rxd5 Bxc2 34. f6 Nd7 35. Nh5 Bd3 36. g4 Re5 37. Rxd7 Rxd7 38. f7 Rxf7 39. Rxf7 Re8 40. Nf6 Rc8 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Ribli, Zoltan"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A07"]
[EventDate "1973.01.13"]
[PlyCount "81"]

1. Nf3 Nf6 2. g3 c6 3. Bg2 d5 4. O-O Bf5 5. b3 e6 6. Bb2 h6 7. d3 Be7 8. Nbd2 O-O 9. e3 a5 10. a3 Nbd7 11. Qe2 Nc5 12. Kh1 Qb6 13. Rab1 Qa6 14. Ne5 Nfd7 15. Nxd7 Nxd7 16. f4 Bf6 17. g4 Bxb2 18. Rxb2 Bh7 19. e4 dxe4 20. Nxe4 Bxe4 21. Qxe4 Qb5 22. Qc4 Qb6 23. Rbb1 Nf6 24. f5 e5 25. h3 Qe3 26. Rbe1 Qg3 27. Qc5 Nd5 28. Qf2 Qxf2 29. Rxf2 f6 30. d4 exd4 31. Rd1 Rad8 32. Rxd4 Ne3 33. Rxd8 Rxd8 34. Bf3 Kf8 35. Kh2 Rd4 36. Kg3 a4 37. Re2 Nd1 38. bxa4 Nc3 39. Re3 Nxa4 40. Rb3 Nc5 41. Rc3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Vasiukov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A58"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bh3 Nbd7 10. O-O Nb6 11. Re1 O-O 12. Bg2 Qd7 13. Nd2 Rfb8 14. Qc2 Bb7 15. e4 Ng4 16. h3 Ne5 17. f4 Nec4 18. Nxc4 Nxc4 19. b3 Bd4+ 20. Kh2 Na3 21. Qd2 Bc8 22. Bb2 Qb7 23. Nd1 Qb4 24. Bc3 Bxc3 25. Nxc3 Nb5 26. Re3 Ra3 27. Rd3 Nxc3 28. Qxc3 Ba6 29. Qxb4 Rxb4 30. Rdd1 h5 31. h4 Kg7 32. Bf3 Kf6 33. Kg2 c4 34. Rdb1 e6 35. dxe6 fxe6 36. bxc4 Rxb1 37. Rxb1 Rxa2+ 38. Kg1 Bxc4 39. Rb6 Ra1+ 40. Kf2 Ra2+ 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Tal, Mikhail"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A31"]
[EventDate "1973.01.13"]
[PlyCount "49"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. Qa4 Qb6 7. Ndb5 e6 8. Bf4 e5 9. cxd5 exf4 10. Qxf4 Nb4 11. Nc7+ Kd8 12. Nxa8 Qa5 13. O-O-O Qc5 14. e4 Nxa2+ 15. Kc2 Nxc3 16. bxc3 Bd6 17. e5 Nxd5 18. Qc4 Bf5+ 19. Kd2 Qxf2+ 20. Be2 Qe3+ 21. Ke1 Bxe5 22. Rxd5+ Ke7 23. Nc7 Bxc3+ 24. Kd1 Be4 25. Bf3 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.23"]
[Round "7"]
[White "Zuidema, Coenraad"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B93"]
[EventDate "1973.01.13"]
[PlyCount "71"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nbd7 7. f4 Qb6 8. Bf3 g6 9. Nb3 Bg7 10. Qd3 O-O 11. Be3 Qc7 12. O-O Rb8 13. Ba7 Ra8 14. Bf2 Rb8 15. Ba7 Ra8 16. Bf2 Nb6 17. Nd2 Be6 18. Bd4 Rac8 19. Rf2 Ne8 20. Nd5 Bxd5 21. exd5 Na4 22. Bxg7 Nxg7 23. b3 Nc5 24. Qe2 b5 25. c3 Qb6 26. g3 Rfe8 27. Bg4 e6 28. dxe6 Ngxe6 29. Qf1 f5 30. Bf3 Kh8 31. Kg2 Nc7 32. Re2 d5 33. Rxe8+ Rxe8 34. Qf2 Qd6 35. Qd4+ Kg8 36. c4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Andersson, Ulf"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E91"]
[EventDate "1973.01.13"]
[PlyCount "91"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 c5 9. d5 Nb6 10. b3 Na6 11. h3 Bxf3 12. Bxf3 Nc7 13. Qd2 e5 14. g4 Nc8 15. h4 a6 16. Be2 Qd7 17. h5 b5 18. f3 bxc4 19. bxc4 Rb8 20. Bd3 Ne7 21. Qh2 f6 22. h6 Bh8 23. Qc2 Rb7 24. Rb1 Rfb8 25. Kf2 Kf7 26. Rxb7 Rxb7 27. Rb1 Qc8 28. Rxb7 Qxb7 29. Qb3 Qxb3 30. axb3 g5 31. Na4 Ng8 32. b4 cxb4 33. Bb6 Ne8 34. c5 dxc5 35. Bxc5 Nxh6 36. Bc4 Kg6 37. d6 Nxd6 38. Bxd6 a5 39. Nc5 Bg7 40. Be6 Nf7 41. Be7 Nh8 42. Nb7 h5 43. Nxa5 h4 44. Bxb4 Kh6 45. Bf5 Ng6 46. Nc6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Hartoch, Robert"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D44"]
[EventDate "1973.01.13"]
[PlyCount "79"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. d4 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3 Bb7 12. Be2 Bh6 13. Bxf6 Nxf6 14. Qxf6 Qxf6 15. exf6 O-O-O 16. Rd1 b4 17. Na4 c5 18. Bxc4 Bxg2 19. Rg1 Bf3 20. Be2 Bxe2 21. Kxe2 cxd4 22. Rg4 e5 23. Nc5 Rd5 24. Ne4 Kd7 25. Rh4 Ra5 26. Ra1 Ke6 27. Kd3 Kf5 28. f3 Rd5 29. a3 b3 30. Rh5+ Kg6 31. Rh3 Kf5 32. Rg1 Rdd8 33. Rh5+ Ke6 34. Nc5+ Kxf6 35. Ke4 Bf4 36. Rf5+ Ke7 37. Rg7 Rdf8 38. Nxb3 Rxh2 39. Nxd4 exd4 40. Kxf4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Hort, Vlastimil"]
[Black "Balashov, Yury"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B80"]
[EventDate "1973.01.13"]
[PlyCount "38"]

1. e4 c5 2. Nc3 e6 3. Nf3 d6 4. g3 Nc6 5. Bg2 Nf6 6. O-O Be7 7. d4 cxd4 8. Nxd4 Bd7 9. a4 O-O 10. Ndb5 Qb8 11. Be3 Rc8 12. Qe2 Ne5 13. Na3 Bc6 14. f4 Ned7 15. Rfd1 b6 16. Nc4 Qc7 17. b3 a6 18. Nb2 Bb7 19. Nc4 Bc6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Langeweg, Christian"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A08"]
[EventDate "1973.01.13"]
[PlyCount "144"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 d5 4. O-O g6 5. c4 Bg7 6. Nc3 dxc4 7. Qa4+ Nfd7 8. Qxc4 O-O 9. d3 Nc6 10. Qh4 e6 11. Qxd8 Rxd8 12. Bg5 Rf8 13. Nd2 Nd4 14. Nde4 f6 15. Be3 f5 16. Nd6 Nc2 17. Rac1 Nxe3 18. fxe3 Bh6 19. Kf2 Rb8 20. Ncb5 Rd8 21. Nxa7 Nf6 22. Ndxc8 Ng4+ 23. Kg1 Bxe3+ 24. Kh1 Rbxc8 25. Nxc8 Rxc8 26. Rb1 Nf2+ 27. Rxf2 Bxf2 28. Bxb7 Rc7 29. Ba6 Ra7 30. Bc4 Kf7 31. Kg2 Bd4 32. Kf3 g5 33. e3 Be5 34. b4 cxb4 35. Rxb4 Ke7 36. Rb6 Bd6 37. e4 g4+ 38. Ke2 fxe4 39. dxe4 e5 40. Bd5 h5 41. Rb1 Kd8 42. Rf1 Rc7 43. Bb3 Rc3 44. Rf5 h4 45. gxh4 Rh3 46. Rf2 Kd7 47. Kf1 Rxh4 48. Bd5 Rh3 49. Kg2 Bb4 50. Rf7+ Kd6 51. Rg7 Rh4 52. Rg6+ Kc5 53. Rc6+ Kb5 54. Rc2 Rh3 55. Re2 Kc5 56. Be6 Kd4 57. Bxg4 Ra3 58. Bd7 Rc3 59. Bf5 Be7 60. Rd2+ Ke3 61. Rb2 Kd4 62. h3 Ra3 63. Re2 Bh4 64. Bd7 Rc3 65. a4 Ra3 66. Bc6 Rc3 67. Bd5 Ra3 68. Bc6 Rc3 69. Bb5 Ra3 70. Rc2 Ke3 71. Bc6 Kd4 72. Rb2 Rc3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Ljubojevic, Ljubomir"]
[Black "Planinc, Albin"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E67"]
[EventDate "1973.01.13"]
[PlyCount "82"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O e5 8. h3 Re8 9. Be3 exd4 10. Bxd4 c6 11. Rb1 Qe7 12. Nd2 Nc5 13. e4 Ne6 14. Be3 Nd7 15. f4 f5 16. Re1 Ndc5 17. exf5 gxf5 18. Nb3 Bd7 19. Qd2 Rad8 20. Na5 Qf6 21. g4 Bc8 22. Rbc1 Kh8 23. b4 Nd7 24. g5 Qg6 25. Bxa7 h6 26. h4 Qh5 27. Bf2 Ndf8 28. Re3 Qg4 29. Rf3 Ng6 30. Ne2 d5 31. Rg3 dxc4 32. Qxd8 Nxd8 33. Rxg4 fxg4 34. Re1 c3 35. h5 c2 36. Nb3 Nf8 37. gxh6 Bb2 38. Kf1 Be6 39. Bd4+ Bxd4 40. Nbxd4 Bxa2 41. Nxc2 Nf7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Najdorf, Miguel"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E62"]
[EventDate "1973.01.13"]
[PlyCount "38"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c6 7. d4 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5 11. Nb3 Qxc4 12. Qxd6 Na6 13. Rd1 Re8 14. Bg5 Nd7 15. Rac1 Qb4 16. Qxb4 Nxb4 17. a3 Na6 18. Na5 Re5 19. Bd8 Re8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Ree, Hans"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E93"]
[EventDate "1973.01.13"]
[PlyCount "57"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 Nxg3 12. fxg3 g4 13. Nd2 h5 14. Bd3 Nc5 15. Bc2 f5 16. exf5 e4 17. Ndxe4 Nxe4 18. Nxe4 Bxf5 19. O-O Qe7 20. Re1 Bxb2 21. Ng5 Qg7 22. Bxf5 Qd4+ 23. Kh2 Rxf5 24. Qc2 Rxg5 25. hxg5 Bxa1 26. Re7 Qh8 27. Qg6+ Bg7 28. Qf7+ Kh7 29. Re6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.24"]
[Round "8"]
[White "Vasiukov, Evgeny"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B06"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 Nc6 6. e5 dxe5 7. dxe5 Ng4 8. Bb5 Bd7 9. Bf4 O-O 10. Nc3 a6 11. Bc4 b5 12. Bb3 b4 13. Na4 Na5 14. O-O-O Qe8 15. h3 Bb5 16. Qd2 Nxf2 17. Qxf2 Bxa4 18. Qc5 Nxb3+ 19. axb3 Bc6 20. Nd4 Bxg2 21. Rhg1 Bxh3 22. Nc6 Kh8 23. Rd2 a5 24. Rh2 Ra6 25. Nxe7 Re6 26. Nd5 Bf5 27. Qf2 Qd8 28. Nf6 Bxf6 29. exf6 Qxf6 30. Bg5 Qe5 31. Qh4 h5 32. Bf4 Qe4 33. Qg5 Rfe8 34. Kb1 a4 35. Qh6+ Kg8 36. Qxh5 Qe1+ 37. Ka2 axb3+ 38. Kxb3 Re3+ 39. Bxe3 Qxe3+ 40. c3 Be6+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Balashov, Yury"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A43"]
[EventDate "1973.01.13"]
[PlyCount "32"]

1. d4 c5 2. d5 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Na6 6. Nf3 Nc7 7. Bd3 a6 8. O-O Rb8 9. a4 b6 10. Re1 e6 11. dxe6 Nxe6 12. Nd5 Ne7 13. e5 O-O 14. exd6 Qxd6 15. Be4 Nxd5 16. Bxd5 Bb7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Donner, Jan"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A77"]
[EventDate "1973.01.13"]
[PlyCount "43"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Nbd7 11. h3 a6 12. a4 g5 13. Qc2 Ne5 14. Nd1 Nfd7 15. Ne3 Nf8 16. Ndc4 Nfg6 17. a5 Nxc4 18. Nxc4 Qe7 19. Bd2 Bd7 20. Ra3 Bb5 21. Rg3 Nf4 22. Bf3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Enklaar, Bertus"]
[Black "Vasiukov, Evgeny"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E94"]
[EventDate "1973.01.13"]
[PlyCount "76"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Re8 9. Qc2 exd4 10. Nxd4 c6 11. Rfe1 a6 12. Rad1 Qe7 13. Bg5 Nc5 14. Bf1 a5 15. Bh4 a4 16. f3 Qc7 17. Bf2 Nfd7 18. Rb1 Qa5 19. Red1 Be5 20. Nde2 Qb4 21. b3 axb3 22. axb3 Ra3 23. Na2 Qa5 24. Nac1 Nf8 25. g3 f5 26. b4 Qa4 27. Qd2 fxe4 28. bxc5 e3 29. Bxe3 Rxe3 30. cxd6 Rxf3 31. Nd3 Bxd6 32. c5 Rxd3 33. Qxd3 Bxc5+ 34. Kg2 Re3 35. Nc3 Qa3 36. Qd8 Rxc3 37. Qxc8 Rc2+ 38. Kh3 Qf3 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Planinc, Albin"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A01"]
[EventDate "1973.01.13"]
[PlyCount "49"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. Nf3 Nd7 5. e3 c6 6. d3 Bxf3 7. Qxf3 Ngf6 8. g4 e5 9. g5 Ng8 10. h4 Bb4+ 11. Ke2 Ne7 12. Bh3 Bd6 13. Nd2 Nc5 14. h5 Nc8 15. g6 Qe7 16. Rag1 fxg6 17. hxg6 h6 18. Qf7+ Qxf7 19. gxf7+ Kxf7 20. f4 Re8 21. Bg4 Kg8 22. fxe5 Bf8 23. Rxh6 Nb6 24. Bf5 Re7 25. e6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Ribli, Zoltan"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D78"]
[EventDate "1973.01.13"]
[PlyCount "101"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nbd2 Bf5 8. b3 Ne4 9. Bb2 Qa5 10. a3 Nd7 11. b4 Qd8 12. Qb3 Ndf6 13. a4 Re8 14. Rfd1 Ng4 15. Nxe4 Bxe4 16. c5 Qd7 17. h3 Bxf3 18. Qxf3 Nf6 19. Qd3 Qc7 20. Rab1 Nd7 21. b5 e5 22. e3 exd4 23. exd4 Nf8 24. Bc1 Ne6 25. Be3 f5 26. f4 Re7 27. Bf2 Qa5 28. Qb3 Rae8 29. h4 h5 30. Bf3 Nf8 31. Qb4 Qd8 32. a5 a6 33. bxc6 bxc6 34. Qa4 Re6 35. Rb6 Qc8 36. Rdb1 Kh8 37. Rb7 Nh7 38. Ra7 Nf6 39. Rbb7 Bf8 40. Rc7 Qb8 41. Rab7 Qa8 42. Qb3 Ng4 43. Bxg4 hxg4 44. Qb6 Qd8 45. Rxc6 Qf6 46. Rbc7 Bg7 47. Rxe6 Rxe6 48. Qb7 Qf8 49. c6 Re8 50. Rf7 Qg8 51. Qd7 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Szabo, Laszlo"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E45"]
[EventDate "1973.01.13"]
[PlyCount "114"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 d5 8. Ba3 Bxc4 9. Bxc4 dxc4 10. e4 Qd7 11. O-O Qb5 12. d5 Nbd7 13. dxe6 fxe6 14. e5 Qxe5 15. Re1 Qd5 16. Qa4 O-O-O 17. Qxa7 Rhe8 18. Rab1 Nb8 19. Bc1 Qa5 20. Qxa5 bxa5 21. Bg5 Rd5 22. Bxf6 gxf6 23. Re4 Nd7 24. Rxc4 Rd8 25. h3 Ne5 26. Rh4 Rd1+ 27. Rxd1 Rxd1+ 28. Kh2 Rd2 29. Ne4 Rxa2 30. Nc5 Nd7 31. Nxd7 Kxd7 32. Rxh7+ Kd6 33. h4 Rxf2 34. h5 Rf5 35. g4 Rg5 36. Kh3 a4 37. Rh8 a3 38. Ra8 f5 39. Ra6+ Ke7 40. h6 fxg4+ 41. Kh4 Rg8 42. Rxa3 g3 43. h7 Rh8 44. Kxg3 Rxh7 45. Kf4 Kd6 46. Ke4 Rh4+ 47. Kd3 Kd5 48. Ra8 Rh3+ 49. Kc2 e5 50. Re8 Rh1 51. Kb3 Rh6 52. Re7 c6 53. Kc2 Re6 54. Rd7+ Rd6 55. Re7 e4 56. Kd2 c5 57. Ra7 Ke5+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Tal, Mikhail"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B85"]
[EventDate "1973.01.13"]
[PlyCount "59"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 e6 9. f4 Be7 10. Qe1 O-O 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Rae1 Bc6 15. Bd3 Rad8 16. Kh1 Qb7 17. Qh3 g6 18. f5 e5 19. Be3 Rfe8 20. Bg5 Nh5 21. f6 Bf8 22. Qh4 h6 23. Bc1 a5 24. Nd5 Rd7 25. Rf3 Bxd5 26. exd5 Qxd5 27. Qg4 Re6 28. Bxg6 fxg6 29. Qxg6+ Ng7 30. Bxh6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.27"]
[Round "9"]
[White "Zuidema, Coenraad"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B77"]
[EventDate "1973.01.13"]
[PlyCount "42"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. O-O a5 13. a3 Rb8 14. Nd5 Nxd5 15. Bxg7 Kxg7 16. Bxd5 Be6 17. Qd4+ Kg8 18. Bxe6 fxe6 19. Rfd1 Qb6 20. Qxb6 Rxb6 21. Kf2 Rc8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Andersson, Ulf"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A34"]
[EventDate "1973.01.13"]
[PlyCount "56"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 g6 6. Bg2 Bg7 7. O-O Nc6 8. Nxd5 Qxd5 9. d3 Qd6 10. Be3 Bxb2 11. Rb1 Bg7 12. Qa4 Bd7 13. Rxb7 Nd8 14. Rxd7 Qxd7 15. Qxd7+ Kxd7 16. Ne5+ Bxe5 17. Bxa8 Ne6 18. Bd5 Rb8 19. Rc1 Rb2 20. Kf1 f5 21. Bxe6+ Kxe6 22. a3 Bd4 23. Bxd4 cxd4 24. Rc6+ Kf7 25. Ra6 Rb1+ 26. Kg2 Rb2 27. Rxa7 Rxe2 28. Rd7 Ra2 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Hartoch, Robert"]
[Black "Balashov, Yury"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A10"]
[EventDate "1973.01.13"]
[PlyCount "73"]

1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. Nc3 d5 7. d3 Kh8 8. a3 a5 9. Bf4 Nh5 10. Bd2 Nc6 11. cxd5 exd5 12. e3 Be6 13. Rc1 Nf6 14. Na4 Qe8 15. Qc2 Bd6 16. Nc5 Bc8 17. b4 axb4 18. axb4 b6 19. Ne6 Bxe6 20. Qxc6 Qxc6 21. Rxc6 Bd7 22. Rc3 Ra2 23. Rb1 Ne4 24. dxe4 fxe4 25. Be1 exf3 26. Bf1 Rfa8 27. Rd1 Ra1 28. Rcc1 Rxc1 29. Rxc1 Bf5 30. Bb5 Be4 31. Bc3 h6 32. Kf1 Ra3 33. Bd2 c5 34. bxc5 bxc5 35. Ke1 c4 36. Rc3 Ra2 37. Rc1 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Hort, Vlastimil"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B31"]
[EventDate "1973.01.13"]
[PlyCount "22"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 a6 8. Bxc6 bxc6 9. d3 d6 10. e5 Nd5 11. Qa4 Qc7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Langeweg, Christian"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A38"]
[EventDate "1973.01.13"]
[PlyCount "33"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 g6 5. O-O Bg7 6. Nc3 O-O 7. a3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. d3 b6 11. Be3 Bb7 12. Qa4 Qd7 13. Rab1 Rfd8 14. Rfe1 Nd4 15. Qxd7 Rxd7 16. Nxd4 cxd4 17. Bxb7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Ljubojevic, Ljubomir"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C44"]
[EventDate "1973.01.13"]
[PlyCount "84"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Nf6 7. Nc3 Bb4 8. Be2 Ne4 9. Bd2 Bxc3 10. bxc3 O-O 11. O-O Nxd2 12. Qxd2 Bf5 13. Rfe1 Bg6 14. Qb2 b6 15. Bb5 a6 16. Bf1 Qd6 17. a4 Na5 18. Ne5 Bf5 19. Rad1 Rfe8 20. Re3 c5 21. Qa2 Be6 22. d5 Bf5 23. Rde1 Rf8 24. Qd2 Rad8 25. c4 f6 26. Nf3 Bd7 27. Qc2 g6 28. Bd3 Rf7 29. Nd2 Nb7 30. Ne4 Qc7 31. Qb2 Rdf8 32. h4 Nd6 33. Nxd6 Qxd6 34. Qe2 f5 35. Qb2 Qf6 36. Qxf6 Rxf6 37. Ra1 a5 38. Bc2 Re8 39. Rae1 Rff8 40. Re7 Rxe7 41. Rxe7 Rf7 42. Re5 Rf8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Ree, Hans"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D37"]
[EventDate "1973.01.13"]
[PlyCount "61"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 d5 9. Rd1 Qa5 10. a3 Be7 11. Be2 dxc4 12. Bxc4 e5 13. Bg3 Bg4 14. O-O Rac8 15. Nd5 b5 16. Ba2 Kh8 17. Nxf6 Bxf6 18. Qe4 Bh5 19. Rd6 Bg6 20. Qd5 e4 21. Nh4 Ne7 22. Nxg6+ fxg6 23. Qb7 Nf5 24. Ra6 Qd2 25. Qxb5 Rc1 26. Bc4 Bg5 27. Rxc1 Qxc1+ 28. Bf1 Bxe3 29. fxe3 Nxg3 30. hxg3 Qxe3+ 31. Kh2 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Vasiukov, Evgeny"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A01"]
[EventDate "1973.01.13"]
[PlyCount "28"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. g4 Bg6 5. Bg2 e6 6. c4 c6 7. Nf3 Nd7 8. d3 Ngf6 9. Nbd2 Bd6 10. Nh4 Qe7 11. Nxg6 hxg6 12. a3 Be5 13. d4 Bd6 14. b4 e5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.28"]
[Round "10"]
[White "Zuidema, Coenraad"]
[Black "Planinc, Albin"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C16"]
[EventDate "1973.01.13"]
[PlyCount "80"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bxc3+ 6. bxc3 Qd7 7. Qg4 f5 8. Qg3 Ba6 9. Bxa6 Nxa6 10. Ne2 O-O-O 11. a4 Nb8 12. a5 Nc6 13. axb6 cxb6 14. O-O h6 15. Qd3 Nge7 16. c4 dxc4 17. Qxc4 Kb8 18. Ba3 Nc8 19. Bb2 g5 20. Qb3 f4 21. c4 Rhf8 22. f3 Qb7 23. Rfd1 Rf7 24. d5 Na5 25. Qd3 Ne7 26. Rxa5 bxa5 27. Ba3 Ka8 28. Rb1 Qa6 29. Qe4 exd5 30. cxd5 Nxd5 31. Bd6 Qc6 32. Nc3 Rb7 33. Rxb7 Kxb7 34. Qxd5 Qxd5 35. Nxd5 Rc8 36. Ba3 Re8 37. Bd6 a4 38. Nf6 a3 39. Bxa3 Rxe5 40. Ne4 Kc6 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Balashov, Yury"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C95"]
[EventDate "1973.01.13"]
[PlyCount "89"]

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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bd2 c5 16. d5 Bg7 17. b3 Nb6 18. Qc1 Bc8 19. a4 Qc7 20. Bd3 Bd7 21. a5 Nc8 22. b4 c4 23. Bc2 Kh8 24. Be3 Qd8 25. Qd2 Ng8 26. Nh2 Qh4 27. Nf3 Qe7 28. Rad1 Rf8 29. Nh2 f6 30. f4 Bh6 31. Nf3 exf4 32. Bxf4 Bxf4 33. Qxf4 Kg7 34. Nd4 Nh6 35. Ndf5+ Bxf5 36. exf5 Qa7+ 37. Kh2 Qf7 38. Re6 Ra7 39. fxg6 hxg6 40. Ne4 Ng8 41. Nxd6 Nxd6 42. Qxd6 Ne7 43. Rf1 Nc8 44. Qc5 Rd7 45. Rfxf6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Donner, Jan"]
[Black "Vasiukov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A54"]
[EventDate "1973.01.13"]
[PlyCount "113"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 e4 5. Nd2 Qe7 6. Qc2 Bf5 7. f3 Nc6 8. fxe4 Bg6 9. e3 O-O-O 10. a3 Re8 11. Bd3 Ng4 12. Nf3 h5 13. O-O h4 14. Nd5 Qd8 15. Nf4 Bh7 16. h3 Nh6 17. Bd2 g5 18. Nd5 g4 19. hxg4 Nxg4 20. e5 Bxd3 21. Qxd3 Kb8 22. Qf5 Rg8 23. Nf6 Nxf6 24. exf6 Bh6 25. Rae1 Re6 26. Nxh4 Bg5 27. Nf3 Rxf6 28. Qd3 Rfg6 29. Nxg5 Qxg5 30. Re2 Qh5 31. Rf5 Qh3 32. Qe4 Re6 33. Qxe6 fxe6 34. Rf8+ Rxf8 35. gxh3 Rh8 36. Rh2 Kc8 37. h4 Kd7 38. Kf2 Ke7 39. Kf3 Kf7 40. h5 Rh7 41. Kf4 Kg8 42. Rg2+ Kf7 43. Rg5 b6 44. Bc3 Ne7 45. e4 Ng8 46. e5 dxe5+ 47. dxe5 Ne7 48. b4 a6 49. a4 b5 50. axb5 axb5 51. Ke4 bxc4 52. Kd4 Ke8 53. Kxc4 Kd7 54. Bd2 Kc6 55. b5+ Kb6 56. Be3+ Kb7 57. Bc5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Enklaar, Bertus"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A13"]
[EventDate "1973.01.13"]
[PlyCount "52"]

1. b3 Nf6 2. Bb2 e6 3. c4 b6 4. Nf3 Bb7 5. e3 Be7 6. Be2 d5 7. cxd5 exd5 8. O-O O-O 9. Nc3 Nbd7 10. Rc1 a6 11. Qc2 Re8 12. Rfd1 Rc8 13. d4 Bd6 14. Qf5 Qe7 15. Bd3 Rcd8 16. g3 g6 17. Qh3 Ne4 18. Qf1 Ra8 19. Rc2 f5 20. Rdc1 Nf8 21. Ne5 Ne6 22. Ne2 c5 23. f3 N4g5 24. f4 Bxe5 25. dxe5 c4 26. Bxf5 gxf5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E14"]
[EventDate "1973.01.13"]
[PlyCount "81"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 Be7 7. b3 cxd4 8. exd4 O-O 9. Qe2 d5 10. Bb2 Nc6 11. Nbd2 Rc8 12. Rac1 Re8 13. Rfd1 Bf8 14. Ne5 Nb4 15. Bb1 g6 16. Qe3 dxc4 17. bxc4 Bg7 18. Ndf3 Rc7 19. Ng5 Nh5 20. g4 Nf6 21. Qh3 h6 22. Ngxf7 Rxf7 23. Bxg6 Rff8 24. a3 Nc6 25. f4 Ne7 26. Bxe8 Nxe8 27. Qe3 b5 28. d5 exd5 29. cxb5 d4 30. Qxd4 Nd5 31. Qxa7 Nd6 32. Rxd5 Bxd5 33. Nc6 Bxb2 34. Nxd8 Bxc1 35. Qc5 Rxd8 36. Qxd5+ Nf7 37. Qf3 Rd4 38. b6 Bxf4 39. Qxf4 Rxf4 40. b7 Rxg4+ 41. Kh1 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Planinc, Albin"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A04"]
[EventDate "1973.01.13"]
[PlyCount "107"]

1. g3 g6 2. Bg2 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. Nc3 d6 8. O-O O-O 9. Re1 Be6 10. e4 Qc8 11. Nd5 Bh3 12. a4 Bxg2 13. Kxg2 Re8 14. a5 Ne5 15. Ra4 Qc6 16. Rd4 Rac8 17. Re2 Nc4 18. c3 Qb5 19. h4 Nxd5 20. Rxd5 Qa4 21. h5 b6 22. hxg6 hxg6 23. Re1 bxa5 24. Nxa5 Qxd1 25. Rexd1 Nb6 26. Rb5 Na4 27. Rb4 Nc5 28. Kf3 Rc7 29. Be3 Rec8 30. Bd4 Na6 31. Ra4 Rb8 32. Ra2 Rb5 33. Bxg7 Kxg7 34. Rd5 Rb6 35. Ke3 e6 36. Rd1 Rb5 37. Rxd6 Nc5 38. b4 Nd7 39. Rc6 Rxa5 40. Rxc7 Rxa2 41. Rxd7 Rc2 42. Rc7 g5 43. b5 g4 44. Kd4 Ra2 45. c4 Kf6 46. e5+ Kg6 47. Rb7 Ra4 48. Kc5 Kf5 49. Rxf7+ Kxe5 50. Rf4 Ra2 51. Kc6 Rc2 52. c5 Rb2 53. Rxg4 Rxf2 54. Ra4 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Ribli, Zoltan"]
[Black "Ljubojevic, Ljubomir"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E18"]
[EventDate "1973.01.13"]
[PlyCount "84"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 O-O 8. b3 Ne4 9. Bb2 Bf6 10. Qc2 Nxc3 11. Bxc3 cxd4 12. Ng5 Bxg5 13. Bxb7 dxc3 14. Bxa8 Nc6 15. Bxc6 dxc6 16. f4 Bf6 17. Rad1 Bd4+ 18. Kg2 c5 19. e3 Qa8+ 20. Kf2 Bf6 21. Rd7 a6 22. Rfd1 b5 23. Rc7 bxc4 24. Rxc5 cxb3 25. axb3 g6 26. Rc4 a5 27. e4 Rc8 28. e5 Rxc4 29. bxc4 Be7 30. g4 Bb4 31. Kg3 a4 32. f5 Qa5 33. Qe4 c2 34. Qxc2 Qxe5+ 35. Kg2 a3 36. fxe6 Qxe6 37. h3 Qe5 38. Rf1 Bd6 39. Kh1 Qe3 40. Qg2 Be5 41. Rf3 Qe1+ 42. Rf1 Qxf1+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Szabo, Laszlo"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A68"]
[EventDate "1973.01.13"]
[PlyCount "84"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. f4 e6 8. Nf3 exd5 9. cxd5 Nfd7 10. O-O Na6 11. Re1 Re8 12. Bc4 Nb6 13. Bf1 Bg4 14. h3 Bxf3 15. Qxf3 Nb4 16. Qf2 Rc8 17. a3 Na6 18. Bb5 Nd7 19. Be3 Nc7 20. Bd3 Rb8 21. Rad1 b5 22. e5 dxe5 23. f5 c4 24. Be4 a6 25. d6 Na8 26. Nd5 Nab6 27. Rf1 Nxd5 28. Bxd5 g5 29. f6 Bxf6 30. Qf5 Kg7 31. h4 gxh4 32. Be4 Nf8 33. Qh5 Ng6 34. Bd5 Nf4 35. Qxf7+ Kh8 36. Be4 Bg7 37. Bxf4 exf4 38. Qf5 Rxe4 39. Qxe4 h3 40. Rxf4 hxg2 41. d7 h6 42. Rf7 Qb6+ 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.29"]
[Round "11"]
[White "Tal, Mikhail"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C07"]
[EventDate "1973.01.13"]
[PlyCount "57"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 Nxd5 6. Ne4 cxd4 7. Nxd4 Be7 8. Bc4 O-O 9. O-O a6 10. Nf3 Nc6 11. Qe2 Qc7 12. Rd1 Rd8 13. Bg5 Bxg5 14. Nexg5 h6 15. Ne4 Nce7 16. Bxd5 Rxd5 17. c4 Rd7 18. Ng3 Ng6 19. h4 Rxd1+ 20. Rxd1 Bd7 21. h5 Ne7 22. Ne4 Bc6 23. Nd6 Rd8 24. c5 Nc8 25. Nxc8 Qxc8 26. b4 Rxd1+ 27. Qxd1 Bd5 28. Qd2 Qc7 29. a3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Andersson, Ulf"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B52"]
[EventDate "1973.01.13"]
[PlyCount "56"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 Nf6 10. f3 O-O 11. O-O Rfc8 12. Nde2 Qd8 13. b3 a6 14. a4 Nd7 15. Rb1 Nc5 16. Qd2 Rab8 17. Rfd1 Qf8 18. Nf4 Nb4 19. Nce2 Nc6 20. a5 Qd8 21. b4 Na4 22. c5 Ne5 23. Qa2 Qe8 24. Ra1 Nb2 25. Rdb1 Nbd3 26. cxd6 Nxf4 27. Bxf4 exd6 28. Rd1 Qb5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Hartoch, Robert"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E65"]
[EventDate "1973.01.13"]
[PlyCount "76"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 d6 8. dxc5 dxc5 9. Be3 Qa5 10. Qa4 Qxa4 11. Nxa4 b6 12. Bf4 Nh5 13. Be3 Bd7 14. Nc3 Na5 15. Nd2 Bxc3 16. bxc3 Rad8 17. Be4 Nf6 18. Bd3 Ng4 19. Nb3 Nxe3 20. fxe3 Nc6 21. a4 Ne5 22. a5 Be6 23. axb6 axb6 24. Ra7 Nxd3 25. exd3 Rxd3 26. Rxe7 Bxc4 27. Rb1 Rfd8 28. Rb2 Rxc3 29. Nd2 Be6 30. Kf2 c4 31. Rb7 Rcd3 32. Nf3 c3 33. Re2 Bg4 34. Rxb6 Rd2 35. Rf6 Kg7 36. Rf4 f5 37. h3 g5 38. Rd4 Rxe2+ 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Hort, Vlastimil"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E19"]
[EventDate "1973.01.13"]
[PlyCount "24"]

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 c5 10. Rd1 cxd4 11. Nxd4 Bxg2 12. Kxg2 Qc8 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Ljubojevic, Ljubomir"]
[Black "Enklaar, Bertus"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A02"]
[EventDate "1973.01.13"]
[PlyCount "68"]

1. b3 Nf6 2. Bb2 e6 3. e3 Be7 4. f4 O-O 5. Nf3 c5 6. Bd3 b6 7. Ng5 h6 8. Qf3 Nc6 9. h4 Bb7 10. Rh3 Rb8 11. Qe2 d5 12. Na3 Nb4 13. Rg3 a6 14. O-O-O b5 15. Rh1 d4 16. e4 c4 17. bxc4 Nxa2+ 18. Kd1 Bxa3 19. Bxa3 Bxe4 20. cxb5 Bxd3 21. Qxd3 Rxb5 22. Bxf8 Rb1+ 23. Ke2 Rxh1 24. Ba3 hxg5 25. hxg5 Nh5 26. Rf3 Qd5 27. Kf2 g6 28. g3 Rh2+ 29. Ke1 e5 30. c4 Qa5 31. Rf2 Rxf2 32. Kxf2 e4 33. Qb3 Qxd2+ 34. Kg1 e3 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Planinc, Albin"]
[Black "Balashov, Yury"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C75"]
[EventDate "1973.01.13"]
[PlyCount "59"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. Re1 Nge7 7. d4 Ng6 8. c3 Be7 9. Nbd2 O-O 10. h3 Re8 11. Bb3 Nh4 12. dxe5 Nxf3+ 13. Nxf3 dxe5 14. Bd5 Bf6 15. Qb3 Qe7 16. Be3 Rab8 17. Qc4 b5 18. Qe2 Nd8 19. b4 Be6 20. Bc5 Qd7 21. Red1 Bxd5 22. Rxd5 Qc6 23. Rc1 Nb7 24. c4 Rbd8 25. Be3 bxc4 26. Rxc4 Qa4 27. Rxc7 Qxb4 28. Qxa6 Qxe4 29. Rd2 Rb8 30. Rb2 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A13"]
[EventDate "1973.01.13"]
[PlyCount "81"]

1. Nf3 e6 2. c4 d5 3. g3 dxc4 4. Qa4+ Bd7 5. Qxc4 c5 6. Bg2 Nc6 7. O-O Nf6 8. Nc3 Rc8 9. Rd1 Qb6 10. d3 Be7 11. Bd2 a6 12. Rac1 O-O 13. Na4 Qa7 14. Qb3 b5 15. Nc3 c4 16. dxc4 Na5 17. Qc2 Nxc4 18. Qb1 Bc6 19. b3 Nxd2 20. Nxd2 Ba3 21. Rc2 Bxg2 22. Kxg2 Qc5 23. b4 Qxb4 24. Qa1 Qe7 25. Ndb1 Qb7+ 26. Kg1 Be7 27. Rdc1 Rfd8 28. Qb2 Rc7 29. Nd2 Rdc8 30. Nce4 Nxe4 31. Rxc7 Rxc7 32. Rxc7 Qxc7 33. Nxe4 Qc4 34. f3 f5 35. Nf2 Bc5 36. Qe5 Qc1+ 37. Kg2 Qe3 38. Qxe3 Bxe3 39. Nd1 Bd4 40. e3 Be5 41. Kf2 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Vasiukov, Evgeny"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B99"]
[EventDate "1973.01.13"]
[PlyCount "63"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7 11. Be2 Rb8 12. Qg3 O-O 13. Bf3 Nb6 14. Rhe1 Nc4 15. e5 dxe5 16. fxe5 Nh7 17. Bxe7 Qxe7 18. Be2 Qb4 19. Nb3 b5 20. Rd4 Rb7 21. a3 Qe7 22. Bxc4 bxc4 23. Nd2 Rd7 24. Rxd7 Bxd7 25. Nxc4 f5 26. exf6 Nxf6 27. Ne5 Be8 28. Kb1 Nh5 29. Qe3 Nf4 30. Qe4 Qg5 31. g3 Nh3 32. Qc4 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.30"]
[Round "12"]
[White "Zuidema, Coenraad"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C61"]
[EventDate "1973.01.13"]
[PlyCount "14"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Ba4 Nf6 7. c3 d5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Balashov, Yury"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D86"]
[EventDate "1973.01.13"]
[PlyCount "53"]

1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 b6 8. Qf3 O-O 9. e5 c6 10. Ne2 Qd7 11. h4 Qg4 12. Qxg4 Bxg4 13. h5 Rc8 14. hxg6 hxg6 15. Nf4 Bf5 16. f3 g5 17. g4 Bc2 18. Rh2 gxf4 19. Rxc2 c5 20. Bxf4 cxd4 21. cxd4 Nc6 22. Ba6 Nxd4 23. Rxc8+ Rxc8 24. Bxc8 Nc2+ 25. Kd1 Nxa1 26. Bf5 e6 27. Be4 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Donner, Jan"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D36"]
[EventDate "1973.01.13"]
[PlyCount "95"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 O-O 9. Nf3 Re8 10. O-O Nf8 11. Rab1 a5 12. Rfc1 Ne4 13. Bxe7 Qxe7 14. a3 Ng6 15. b4 axb4 16. axb4 b5 17. Bxe4 dxe4 18. Nd2 Bf5 19. Ne2 Bd7 20. Nb3 h5 21. Nc5 h4 22. Nxd7 Qxd7 23. h3 Re6 24. Ra1 Rxa1 25. Rxa1 Qd5 26. Ra8+ Kh7 27. Qc5 Qxc5 28. bxc5 f5 29. Kf1 Re7 30. Ke1 Rd7 31. Kd2 Kh6 32. Kc2 Kg5 33. Ra6 Rc7 34. Kb3 f4 35. Nc3 Kf5 36. d5 cxd5 37. Nxb5 Rb7 38. Rb6 Rxb6 39. cxb6 Nf8 40. Nd4+ Ke5 41. b7 Nd7 42. Kc3 Nb8 43. exf4+ Kxf4 44. Kb4 e3 45. fxe3+ Kg3 46. Kc5 Nd7+ 47. Kxd5 Kxg2 48. Nc6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Enklaar, Bertus"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A13"]
[EventDate "1973.01.13"]
[PlyCount "71"]

1. b3 Nf6 2. Bb2 d5 3. e3 e6 4. c4 Be7 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Nc3 Nbd7 9. Qc2 a6 10. Rad1 Re8 11. d3 c5 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. d4 cxd4 15. Bxd4 Qc8 16. Qb2 Bf8 17. Qb1 Qb7 18. Ng5 g6 19. Ba1 Bg7 20. Bxg7 Kxg7 21. Qb2+ Kg8 22. Rd4 Nf8 23. Bf3 Bxf3 24. Nxf3 Qe7 25. Ne5 f6 26. Nc4 b5 27. Nd6 Red8 28. Ne4 e5 29. Rxd8 Rxd8 30. b4 Ne6 31. Qb3 Kg7 32. Rc1 Qd7 33. h3 f5 34. Nc5 Nxc5 35. bxc5 Qc6 36. Qc3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Langeweg, Christian"]
[Black "Vasiukov, Evgeny"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B07"]
[EventDate "1973.01.13"]
[PlyCount "121"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. Nc3 Nbd7 7. e4 e5 8. a4 exd4 9. Nxd4 Re8 10. a5 Nc5 11. Re1 Ng4 12. h3 Ne5 13. f4 Ned7 14. Be3 Nf8 15. Qd2 a6 16. b4 Ncd7 17. Nb3 Nf6 18. Rad1 Be6 19. Qd3 Qc8 20. Kh2 Bxb3 21. cxb3 Qe6 22. Nd5 Nxd5 23. exd5 Qd7 24. Bf2 h5 25. Rxe8 Rxe8 26. Re1 Rxe1 27. Bxe1 Nh7 28. Qc4 Bb2 29. Bf1 Nf6 30. Bd3 Kg7 31. Bd2 Ng8 32. b5 axb5 33. Qxb5 Qxb5 34. Bxb5 Ne7 35. Bc4 Bd4 36. b4 Kf8 37. b5 Nc8 38. a6 b6 39. f5 Bf6 40. h4 Kg7 41. fxg6 fxg6 42. Kg2 Na7 43. Kf3 Kf7 44. Bd3 Kg7 45. Kg2 Kf7 46. Kh3 Kg7 47. g4 hxg4+ 48. Kxg4 Kf7 49. Bg5 Kg7 50. Bxf6+ Kxf6 51. Kf4 Nc8 52. Bc4 Na7 53. Bf1 Nc8 54. Bh3 Na7 55. Bd7 Ke7 56. Kg5 Kf7 57. Kh6 Kf6 58. Be8 Ke7 59. Kxg6 c5 60. bxc6 Kxe8 61. Kg7 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Najdorf, Miguel"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B80"]
[EventDate "1973.01.13"]
[PlyCount "42"]

1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. g3 Nf6 7. Bg2 Be7 8. Be3 Qc7 9. g4 Nc6 10. g5 Nd7 11. h4 b5 12. Nxc6 Qxc6 13. Qd4 Rg8 14. O-O-O Bb7 15. f4 Rc8 16. Kb1 Qc5 17. a3 Qxd4 18. Bxd4 Bd8 19. Bh3 Ke7 20. Rhe1 Ba5 21. b4 Bc7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Ribli, Zoltan"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C69"]
[EventDate "1973.01.13"]
[PlyCount "51"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bg4 10. f3 Bd7 11. Nc3 O-O-O 12. Bf4 c4 13. Na5 Bc5+ 14. Kh1 b5 15. Nd5 c6 16. b4 Ba7 17. Nc7 Bb8 18. Ne6 Bxf4 19. Nxc6 Bxe6 20. Nxd8 Bd7 21. Nf7 Ne7 22. Nxh8 Be6 23. a4 Be5 24. axb5 Bxa1 25. bxa6 Be5 26. Rd8+ 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Szabo, Laszlo"]
[Black "Planinc, Albin"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A34"]
[EventDate "1973.01.13"]
[PlyCount "98"]

1. c4 b6 2. Nc3 Bb7 3. e4 c5 4. g3 g6 5. Bg2 Bg7 6. d3 Nf6 7. f4 O-O 8. Nf3 Nc6 9. O-O d6 10. Nh4 Nd7 11. f5 Nde5 12. Bf4 Nb4 13. Qd2 Nbxd3 14. Bh6 Bxh6 15. Qxh6 Nxb2 16. Rf4 Nbd3 17. f6 exf6 18. Nf5 gxf5 19. Rh4 Re8 20. exf5 Qd7 21. Rf1 Ne1 22. Bxb7 Qxb7 23. Nd5 N1f3+ 24. Kf2 Qxd5 25. Qxh7+ Kf8 26. cxd5 Ke7 27. Kg2 Nxh4+ 28. Qxh4 b5 29. Re1 Rad8 30. g4 Rg8 31. h3 a5 32. Qf2 Kd7 33. Qd2 b4 34. Qc2 Ke7 35. Qa4 Ra8 36. Qc6 Rgd8 37. g5 fxg5 38. Rxe5+ dxe5 39. f6+ Kf8 40. Qxc5+ Kg8 41. Qc2 Rxd5 42. Qf5 Rad8 43. Qxg5+ Kf8 44. Qg7+ Ke8 45. Qg8+ Kd7 46. Qxf7+ Kc6 47. Qe7 Rd2+ 48. Kg3 R8d4 49. Qe6+ Kb7 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.01.31"]
[Round "13"]
[White "Tal, Mikhail"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B04"]
[EventDate "1973.01.13"]
[PlyCount "93"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. O-O Bg7 7. exd6 Qxd6 8. Re1 O-O 9. Bg5 Bg4 10. Nbd2 Re8 11. Bb3 h6 12. Bh4 Nd7 13. c4 Nf4 14. c5 Qxd4 15. Re4 Bxf3 16. gxf3 Nh3+ 17. Kg2 Qxc5 18. Kxh3 Qh5 19. Nf1 Ne5 20. Kg2 g5 21. Bg3 Rad8 22. Bxe5 Rxd1 23. Rxd1 g4 24. fxg4 Qg6 25. f3 Bxe5 26. Rxe5 e6 27. Ng3 Qf6 28. Re2 Rd8 29. Ne4 Qe7 30. Rxd8+ Qxd8 31. Rd2 Qa5 32. Rd7 Qb4 33. h4 a5 34. g5 hxg5 35. hxg5 a4 36. g6 Kg7 37. Bxe6 Qxb2+ 38. Kh3 Kxg6 39. Bxf7+ Kh6 40. Rd6+ Kg7 41. Rd7 b5 42. Be6+ Kg6 43. Rd8 c5 44. Rg8+ Kh7 45. Ng5+ Kh6 46. Nf7+ Kh7 47. Rg5 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Andersson, Ulf"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D30"]
[EventDate "1973.01.13"]
[PlyCount "52"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. cxd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. d4 Be7 9. O-O O-O 10. Nc3 Re8 11. dxc5 Nxc5 12. Bb2 Qd7 13. Qe2 Rad8 14. Rfd1 Bf8 15. Rac1 a6 16. Rc2 Qf5 17. Nd4 Qg6 18. Qf3 Nd3 19. Qf5 Qxf5 20. Nxf5 Nxb2 21. Rxb2 Rc8 22. Ne2 Ba3 23. Rbd2 Rc7 24. h3 g6 25. Nfd4 Rec8 26. Kf1 Bb4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Balashov, Yury"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C64"]
[EventDate "1973.01.13"]
[PlyCount "72"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. dxc5 exf3 7. Qxf3 Nf6 8. Bg5 O-O 9. Nd2 d5 10. cxd6 Qxd6 11. Qe2 Nd5 12. Bc4 Na5 13. Be7 Qxe7 14. Bxd5+ Kh8 15. O-O Bd7 16. b4 Nc6 17. Rad1 Rae8 18. Be4 Rf6 19. Nc4 Rh6 20. f3 Be6 21. Ne3 Qg5 22. Rd2 Ne7 23. Ng4 Bxg4 24. fxg4 Rf6 25. Rxf6 Qxf6 26. Qf2 Qh6 27. h4 c6 28. Rd7 Nd5 29. g5 Qe6 30. Bf5 Qg8 31. Rxb7 e4 32. Bd7 e3 33. Qe1 Re5 34. Qg3 Re4 35. Rb8 e2 36. Rxg8+ Kxg8 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Hartoch, Robert"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A40"]
[EventDate "1973.01.13"]
[PlyCount "52"]

1. Nf3 d6 2. d4 g6 3. e4 Bg7 4. Be2 c5 5. c4 Nc6 6. d5 Nd4 7. Nxd4 cxd4 8. O-O Qb6 9. Nd2 Nf6 10. Rb1 a5 11. b3 O-O 12. Bb2 e5 13. Ba3 Bh6 14. c5 dxc5 15. Nc4 Qc7 16. d6 Qc6 17. Nxe5 Qxd6 18. Nc4 Qc7 19. Bf3 Be6 20. e5 Nd7 21. Re1 Bg7 22. Rc1 Rab8 23. Bg4 Bxg4 24. Qxg4 b5 25. e6 Nf6 26. exf7+ Qxf7 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Hort, Vlastimil"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D40"]
[EventDate "1973.01.13"]
[PlyCount "22"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 dxc4 10. Bxc4 b5 11. Bd3 Ne5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Ljubojevic, Ljubomir"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B09"]
[EventDate "1973.01.13"]
[PlyCount "63"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. e5 dxe5 8. dxe5 Nd5 9. Bd2 Ncb4 10. Be4 Nb6 11. a3 Na6 12. Qe2 Nc5 13. O-O-O Nxe4 14. Nxe4 c6 15. Ba5 Qe8 16. Qf2 Nd5 17. Qh4 f6 18. exf6 exf6 19. Rhe1 Bf5 20. Ng3 Qc8 21. c4 b6 22. Bd2 Nc7 23. Re7 Re8 24. Nxf5 gxf5 25. Rxg7+ Kxg7 26. Bc3 Re6 27. Ng5 h6 28. Nxe6+ Qxe6 29. Re1 Qf7 30. Bxf6+ Kg6 31. Re7 Qxc4+ 32. Bc3 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Planinc, Albin"]
[Black "Ribli, Zoltan"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B81"]
[EventDate "1973.01.13"]
[PlyCount "79"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 a6 7. Bg2 Nc6 8. Nxc6 bxc6 9. e5 Nd5 10. exd6 Qxd6 11. Ne4 Qc7 12. c4 Nf4 13. Bxf4 Qxf4 14. Nf6+ Ke7 15. Ne4 h5 16. Qa4 Rb8 17. Rd1 f6 18. Nd6 Bd7 19. Qxa6 Qe5+ 20. Be4 Qc5 21. O-O hxg4 22. Rfe1 Rxb2 23. Nf5+ exf5 24. Bxf5+ Kf7 25. Rxd7+ Kg8 26. Be6+ Kh7 27. Re3 Kg6 28. Bxg4 Rxh2 29. Be2 Rxe2 30. Rxe2 Qh5 31. Qxc6 Rh4 32. Re3 Kh7 33. Qd5 f5 34. Rf7 Bc5 35. Rg3 Rg4 36. Rxg4 Qxg4+ 37. Kf1 Qh3+ 38. Ke2 Qg4+ 39. Kd2 Qf4+ 40. Kd3 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Ree, Hans"]
[Black "Vasiukov, Evgeny"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E94"]
[EventDate "1973.01.13"]
[PlyCount "78"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 b6 12. Nd2 Bd7 13. b3 Nh5 14. Bxh5 gxh5 15. f3 Qf6 16. a3 Qg6 17. Kh1 h4 18. b4 Na6 19. bxa5 bxa5 20. Nb3 a4 21. Na5 f5 22. Nc6 Rf7 23. h3 Raf8 24. Bf2 Qh5 25. Bg1 Bf6 26. Qxa4 Nb8 27. c5 Bg5 28. cxd6 cxd6 29. Rab1 Rc8 30. Rb6 Bd8 31. Rbb1 Kh7 32. exf5 Nxc6 33. dxc6 Rxc6 34. Qb3 Qxf5 35. Rbd1 Rg7 36. Bh2 Qg6 37. Rf2 Be6 38. Nd5 Bb6 39. Rfd2 Bd4 0-1

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.01"]
[Round "14"]
[White "Zuidema, Coenraad"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B79"]
[EventDate "1973.01.13"]
[PlyCount "128"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Qa5 11. O-O-O Rfc8 12. Kb1 Ne5 13. Bg5 Rc5 14. Bxf6 Bxf6 15. Nd5 Qxd2 16. Nxf6+ Kg7 17. Nh5+ gxh5 18. Rxd2 a5 19. a4 Rac8 20. Rf1 Kf8 21. Re1 e6 22. f4 Nc4 23. Bxc4 Rxc4 24. b3 Rb4 25. Ka2 e5 26. fxe5 dxe5 27. Nf3 Be6 28. Nxe5 Rxa4+ 29. Kb2 Rb4 30. Nd3 Rd4 31. Rf2 Ke7 32. Nf4 Rc5 33. Nd5+ Kd6 34. Nf4 Re5 35. Rfe2 Kc6 36. c4 Bg4 37. Kc3 Rd8 38. Re3 h4 39. Nd5 Rg5 40. Rf1 Be6 41. Rf4 Rxg2 42. Rxh4 b5 43. Rxh7 bxc4 44. Nf4 Ra2 45. Nxe6 fxe6 46. Kxc4 Rdd2 47. Rh6 Rac2+ 48. Rc3 Kd6 49. h4 Ke5 50. Rxc2 Rxc2+ 51. Kd3 Rb2 52. Rh5+ Kf4 53. Kc3 Ra2 54. Rh6 e5 55. Kd3 Rb2 56. Rf6+ Kg4 57. Kc3 Re2 58. h5 Rxe4 59. h6 Re3+ 60. Kc4 Rh3 61. Ra6 e4 62. Kd4 Kf4 63. Rf6+ Kg5 64. Rb6 Kf5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Donner, Jan"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A79"]
[EventDate "1973.01.13"]
[PlyCount "57"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Rb8 12. a4 Nb4 13. Nc4 Bf8 14. Bg5 h6 15. Be3 b6 16. Qd2 Kh7 17. g4 Ba6 18. Nb5 Qd7 19. Bf4 Bxb5 20. axb5 Qc7 21. Bg3 Nd7 22. Ra3 Ne5 23. Nxe5 dxe5 24. f4 Bd6 25. Raf3 exf4 26. Bxf4 Rxe4 27. Bxd6 Qxd6 28. Rxf7+ Kg8 29. Qxh6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Enklaar, Bertus"]
[Black "Planinc, Albin"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A01"]
[EventDate "1973.01.13"]
[PlyCount "77"]

1. b3 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 Be7 5. c4 O-O 6. Nc3 Re8 7. e4 c6 8. Nge2 Nbd7 9. O-O Nc5 10. d4 exd4 11. Nxd4 Qb6 12. Rb1 Bf8 13. Qc2 a5 14. Ba1 g6 15. Rfe1 Bg7 16. Qd2 Ng4 17. Nd1 Bd7 18. h3 Ne5 19. Ne3 Ned3 20. Red1 Nb4 21. a3 Nba6 22. Qc2 Re7 23. Nf1 Rae8 24. Nd2 Nc7 25. Rbc1 N5a6 26. Nf1 a4 27. b4 c5 28. bxc5 Nxc5 29. Rb1 Qa7 30. Nd2 f5 31. exf5 Nb3 32. N2xb3 axb3 33. Qd2 gxf5 34. Rxb3 Ba4 35. Rxb7 Qc5 36. Rf1 f4 37. gxf4 Qh5 38. Qb4 Bd1 39. Qxd6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Langeweg, Christian"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E18"]
[EventDate "1973.01.13"]
[PlyCount "20"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d5 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Najdorf, Miguel"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A41"]
[EventDate "1973.01.13"]
[PlyCount "31"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c4 Bg4 5. Be2 Nc6 6. d5 Bxf3 7. Bxf3 Nd4 8. O-O c5 9. Na3 Nf6 10. Nc2 Nd7 11. Nxd4 cxd4 12. b3 O-O 13. Bb2 Qb6 14. Qd2 e5 15. dxe6 fxe6 16. Bg4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Ribli, Zoltan"]
[Black "Balashov, Yury"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D02"]
[EventDate "1973.01.13"]
[PlyCount "20"]

1. g3 d5 2. Bg2 e6 3. Nf3 c5 4. O-O Nc6 5. d4 cxd4 6. Nxd4 Bc5 7. Nb3 Bb6 8. c4 Nge7 9. Nc3 d4 10. c5 dxc3 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Szabo, Laszlo"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E83"]
[EventDate "1973.01.13"]
[PlyCount "25"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 a6 7. Qd2 Nc6 8. d5 Ne5 9. Bh6 Bxh6 10. Qxh6 c6 11. Qd2 cxd5 12. cxd5 b5 13. Qd4 1/2-1/2

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Tal, Mikhail"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D37"]
[EventDate "1973.01.13"]
[PlyCount "79"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Qa5 8. a3 dxc4 9. Bxc4 Qxc5 10. Qe2 a6 11. b4 Qh5 12. O-O b5 13. Bd3 Bb7 14. e4 Nbd7 15. h3 Rac8 16. Rac1 Nb6 17. Qe3 Nfd7 18. Ne2 f6 19. Bc7 Na8 20. Ba5 Ne5 21. Nxe5 Qxe5 22. Bb1 Bd6 23. f4 Qb2 24. Rcd1 Bb8 25. Kh2 f5 26. Rd2 Ba7 27. Nd4 Bxd4 28. Qxd4 Qxd4 29. Rxd4 fxe4 30. Bxe4 Bxe4 31. Rxe4 Rc6 32. Rfe1 Rf6 33. Bd8 Rf8 34. Be7 Re8 35. Bc5 Nc7 36. Rd4 Rc8 37. Rd7 Nd5 38. f5 Nf4 39. Re4 Nh5 40. Rxe6 1-0

[Event "35th Hoogovens it"]
[Site "Wijk aan Zee NED"]
[Date "1973.02.03"]
[Round "15"]
[White "Vasiukov, Evgeny"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C16"]
[EventDate "1973.01.13"]
[PlyCount "83"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Bg5 Qd7 7. f4 Ba6 8. Bxa6 Nxa6 9. O-O-O c6 10. Nf3 h6 11. Bh4 h5 12. Qg5 Ne7 13. Qg3 Nf5 14. Qf2 Nxh4 15. Qxh4 Be7 16. Qg3 g6 17. Ng5 Nc7 18. Ne2 c5 19. dxc5 bxc5 20. Rhe1 Rb8 21. Kb1 Qb5 22. Qb3 Qxb3 23. axb3 Bxg5 24. fxg5 Rb4 25. h3 h4 26. Ng1 a5 27. Nf3 Ke7 28. Rd3 Rhb8 29. Rc3 Na6 30. Kc1 a4 31. bxa4 Rxb2 32. Ra3 R2b4 33. a5 Nc7 34. Kd2 Ra8 35. Rea1 Na6 36. Ra4 Rxa4 37. Rxa4 Nb8 38. c3 Ra6 39. Nxh4 Nc6 40. Nf3 Rxa5 41. Rxa5 Nxa5 42. h4 1/2-1/2

