[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Bellin, Robert"]
[Black "Kovacevic, Vladimir"]
[Result "0-1"]
[PlyCount "118"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 f6
9. Nf3 O-O 10. O-O Bf5 11. Nbd2 Qd7 12. Rf2 Na6 13. c3 c5 14. Nf1 cxd4 15. exf6
Bxf6 16. cxd4 Bg4 17. h3 Bxf3 18. Rxf3 Nb4 19. Be3 a5 20. a3 a4 21. axb4 axb3
22. Rxa8 Rxa8 23. Qxb3 Qa4 24. Qd3 Qxb4 25. f5 Qc4 26. Qd1 Rc8 27. fxg6 hxg6
28. Rf2 Nd7 29. Nh2 Bg7 30. Qg4 Qc6 31. Nf3 Rf8 32. Nh4 Rxf2 33. Kxf2 Nf8 34.
Qe2 Qc4 35. Qd1 e5 36. Nf3 e4 37. Ng5 Qb4 38. b3 Qc3 39. h4 Qc8 40. Qe2 Bf6 41.
Kg1 Qc3 42. Qf2 Nd7 43. Kh2 Qxb3 44. Qg3 Qb6 45. Nxe4 dxe4 46. Qxg6+ Bg7 47.
Qe8+ Nf8 48. Qxe4 Qe6 49. Qf3 b5 50. h5 b4 51. d5 Qe7 52. Qg3 Qe5 53. h6 Qxg3+
54. Kxg3 b3 55. Bc1 Bxh6 56. Ba3 Kf7 57. Kf3 Bg7 58. Ke4 b2 59. Bxb2 Bxb2 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Hartoch, Rob"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[PlyCount "156"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nd7 5. Bg5 h6 6. Be3 e5 7. d5 Ngf6 8. f3 Nh5
9. Qd2 f5 10. exf5 gxf5 11. O-O-O Ndf6 12. Bd3 Kf7 13. Nge2 c5 14. g3 a6 15. h3
b5 16. cxb5 axb5 17. Bxb5 Qa5 18. g4 Nf4 19. Bxf4 exf4 20. Qxf4 Ne8 21. Qa4
Qxa4 22. Bxa4 Ba6 23. Bc6 Bxe2 24. Bxa8 Bxf3 25. Bc6 Bxc3 26. bxc3 Bxh1 27.
Rxh1 fxg4 28. hxg4 Nc7 29. a4 Kf6 30. Rh5 Kg6 31. a5 Rb8 32. Kc2 c4 33. Rh1 Kg5
34. Rh5+ Kg6 35. Rf5 Rb3 36. Rf8 Ra3 37. Rd8 Ra2+ 38. Kb1 Rxa5 39. Rxd6+ Kg5
40. Rd8 Nb5 41. Kb2 Ra3 42. Bxb5 Rb3+ 43. Ka2 Rxb5 44. d6 Kf6 45. Rh8 Ke6 46.
Rxh6+ Kd7 47. Rh5 Rb3 48. Rh3 Kxd6 49. g5 Ke6 50. Rf3 Rb5 51. Rg3 Ra5+ 52. Kb2
Kf7 53. g6+ Kg7 54. Rg4 Rb5+ 55. Kc2 Rc5 56. Kd2 Rd5+ 57. Rd4 Rc5 58. Rd6 Rg5
59. Rc6 Rg4 60. Ke3 Rh4 61. Re6 Rg4 62. Kf3 Rh4 63. Ke3 Rg4 64. Re4 Rxg6 65.
Kd4 Kf6 66. Kxc4 Rg8 67. Kd3 Rd8+ 68. Rd4 Rc8 69. Re4 Rd8+ 70. Ke3 Rd6 71. Re8
Kf7 72. Re4 Kf6 73. Ke2 Re6 74. Kf3 Rxe4 75. Kxe4 Ke6 76. Kd4 Kd6 77. Kc4 Kc6
78. Kb4 Kb6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Hecht, Hans-Joachim"]
[Black "Scholl, Eddy"]
[Result "1/2-1/2"]
[PlyCount "59"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Nge7 6. Na3 Nf5 7. Nc2 cxd4 8. cxd4
Bd7 9. Be2 Rc8 10. O-O h6 11. Ne3 Qb6 12. Nxf5 exf5 13. b3 Be7 14. Bb2 O-O 15.
Bd3 Nd8 16. Rc1 Rxc1 17. Qxc1 Bb5 18. Bxb5 Qxb5 19. Ba3 Bb4 20. Bxb4 Qxb4 21.
Qc5 Qxc5 22. dxc5 Nc6 23. Rd1 d4 24. a3 a5 25. Kf1 Rd8 26. b4 axb4 27. axb4
Nxb4 28. Rxd4 Rxd4 29. Nxd4 Nd3 30. c6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Keene, Raymond"]
[Black "Torre, Eugenio"]
[Result "0-1"]
[PlyCount "78"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Qa5 8. h3 e5
9. d5 cxd5 10. cxd5 Na6 11. Nd2 Bd7 12. Nde4 Ne8 13. Rb1 Nac7 14. b4 Qa6 15. a4
b5 16. a5 Qc8 17. Kh2 f5 18. Nc5 dxc5 19. bxc5 e4 20. Bd2 b4 21. Rxb4 Na6 22.
Rb1 Nxc5 23. Rc1 Qa6 24. Be3 Rc8 25. d6 Ne6 26. Qb3 Qxa5 27. Nd5 Rxc1 28. Rxc1
Kh8 29. Nf4 Nxf4 30. Bxf4 Qb6 31. Qa2 Qxf2 32. Rf1 Qd4 33. Qa3 Be5 34. Rd1 Qxd1
35. Bxe5+ Kg8 36. Qxa7 Rf7 37. e3 Qd5 38. Bd4 Qxd6 39. Qa8 Bc6 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Sosonko, Gennady"]
[Black "Romanishin, Oleg M"]
[Result "0-1"]
[PlyCount "60"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Qb3 g6 5. cxd5 cxd5 6. Nc3 Bg7 7. Bg5 e6 8. e3
O-O 9. Be2 Nc6 10. h3 h6 11. Bf4 g5 12. Bh2 Ne4 13. Nxe4 dxe4 14. Nd2 e5 15.
dxe5 Nxe5 16. Nxe4 Be6 17. Qa4 Nd3+ 18. Bxd3 Qxd3 19. Rd1 b5 20. Rxd3 bxa4 21.
Nc5 Bc4 22. Rd6 Bb5 23. Kd2 Rfd8 24. Nb7 Rdb8 25. Nc5 Bf8 26. Kc3 Rc8 27. Kd4
Bxd6 28. Bxd6 Rc6 29. Ke5 Re8+ 30. Kd5 Rd8 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "1"]
[White "Van den Berg, Ad"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[PlyCount "56"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Nf6 6. Bg2 Qb6 7. Nb3 Be7 8.
O-O O-O 9. c4 d6 10. Nc3 Ne5 11. Qe2 Bd7 12. Bf4 Qc7 13. Nd2 Rfc8 14. Rfd1 Be8
15. Rac1 a6 16. b3 Qa5 17. a4 Nfd7 18. Ncb1 Nc5 19. Bxe5 dxe5 20. Rc3 Rd8 21.
f4 Rd4 22. Nf1 Rad8 23. Rxd4 exd4 24. Rf3 d3 25. Qd2 Nxb3 26. Qxa5 Nxa5 27.
Nfd2 Bxa4 28. Kf1 Bc2 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Bellin, Robert"]
[Black "Sosonko, Gennady"]
[Result "0-1"]
[PlyCount "92"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4
O-O 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. g4 h5 15.
gxh5 Nxh5 16. Rdg1 e6 17. Nde2 d5 18. exd5 Qf6 19. Bh6 Rfc8 20. Bxg7 Kxg7 21.
Kb1 exd5 22. Nxd5 Qxf3 23. Rf1 Qe4 24. Ne3 R4c7 25. Nc3 Qe5 26. Ned5 Rc4 27.
Nb6 axb6 28. Qxd7 R8c7 29. Qd2 Rxc3 30. bxc3 Ng3 31. Re1 Qb5+ 32. Kc1 Nxh1 33.
Rxh1 Rd7 34. Qe3 Qd5 35. Re1 Qxa2 36. Qxb6 Qa1+ 37. Qb1 Qxc3 38. Qb2 Qxb2+ 39.
Kxb2 Rd4 40. Rh1 Kh6 41. Kc3 Rd7 42. Re1 Kh5 43. Re4 f6 44. Kb4 g5 45. hxg5
fxg5 46. Re8 g4 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Jakobsen, Ole"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[PlyCount "98"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 e5 8. Bg2
Nc6 9. d3 a5 10. b3 Bg4 11. Bb2 Nd7 12. e3 Nc5 13. Nd2 Bf5 14. Ne4 Bxe4 15.
Bxe4 Nxe4 16. dxe4 Qf6 17. f4 Qg6 18. f5 Qg4 19. Qd3 Nb8 20. Kf2 Nd7 21. h3 Nc5
22. hxg4 Nxd3+ 23. Ke2 Nc5 24. Kf3 Nxb3 25. Rad1 f6 26. a4 Nc5 27. Ra1 Nb3 28.
Rad1 Nc5 29. Ra1 Ra6 30. Ba3 Nxa4 31. Bxd6 Rxd6 32. Rxa4 b6 33. Rb1 h6 34. Rb5
Rfd8 35. Ra1 Kf7 36. Rab1 Ra8 37. c5 Rc6 38. cxb6 cxb6 39. Rxb6 Rxb6 40. Rxb6
a4 41. Rb7+ Kf8 42. Rb2 a3 43. Ra2 Ke7 44. Ke2 Kd6 45. Kd3 Kc5 46. Kc3 Ra4 47.
Kb3 Rxe4 48. Rc2+ Kd6 49. Rd2+ Ke7 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Jansa, Vlastimil"]
[Black "Keene, Raymond"]
[Result "1/2-1/2"]
[PlyCount "39"]

1. d4 Nf6 2. Bg5 b6 3. Bxf6 exf6 4. e3 Bb7 5. Nd2 g6 6. Ngf3 f5 7. c3 Bg7 8.
Bd3 O-O 9. O-O d6 10. a4 Nd7 11. a5 Nf6 12. Qa4 Qe7 13. a6 Bc8 14. Bb5 c5 15.
Rad1 Be6 16. Nc4 d5 17. Nce5 c4 18. b3 Ne4 19. Rc1 cxb3 20. Nc6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Kovacevic, Vladimir"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[PlyCount "80"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. Nge2 e5 8. h3
Nbd7 9. g4 Ne8 10. Ng3 Qh4 11. Be3 Bh6 12. Qf3 Bxe3 13. fxe3 a6 14. O-O-O Nc7
15. Rdg1 b5 16. b3 bxc4 17. bxc4 Rb8 18. Kc2 Qf6 19. Qe2 Nb6 20. h4 Bd7 21. h5
Na4 22. Nd1 g5 23. Rf1 Qd8 24. Nf5 Bxf5 25. Rxf5 Ne8 26. Kc1 h6 27. Bc2 Qa5 28.
Qd2 Qxd2+ 29. Kxd2 Nb6 30. Kd3 Kg7 31. Rhf1 f6 32. Nc3 Rf7 33. Rb1 Rfb7 34.
Rff1 Nc7 35. Ne2 Nc8 36. Ng3 Ne7 37. Kc3 Rxb1 38. Rxb1 Rxb1 39. Bxb1 Na8 40.
Bc2 Nb6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Romanishin, Oleg M"]
[Black "Hartoch, Rob"]
[Result "1/2-1/2"]
[PlyCount "51"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Nge7 7. Nb3 d6 8. Bg2
Bd7 9. O-O Nc8 10. f4 Be7 11. Be3 O-O 12. Qe2 b5 13. a4 b4 14. Nd1 Qc7 15. Nf2
a5 16. Nd4 Nxd4 17. Bxd4 e5 18. Be3 Nb6 19. b3 exf4 20. Bxf4 Bf6 21. Rad1 Be5
22. Nd3 Be6 23. Be3 Nd7 24. Nf4 Nf6 25. Nxe6 fxe6 26. Rf2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "2"]
[White "Scholl, Eddy"]
[Black "Van den Berg, Ad"]
[Result "1/2-1/2"]
[PlyCount "39"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nf6 6. Ngf3 Be7 7. O-O O-O 8. Re1
b5 9. e5 Nd7 10. Nf1 b4 11. h4 a5 12. N1h2 a4 13. Bg5 Ba6 14. Ng4 c4 15. dxc4
Bxc4 16. Qd2 h5 17. Ne3 Ba6 18. Bf4 b3 19. axb3 axb3 20. c3 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Hartoch, Rob"]
[Black "Bellin, Robert"]
[Result "1/2-1/2"]
[PlyCount "42"]

1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 d6 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4
Bd7 9. Nc2 O-O 10. b3 Qc8 11. Bd2 Bh3 12. e4 Bxg2 13. Kxg2 Nd7 14. Qe2 Nc5 15.
b4 Ne6 16. Rac1 b6 17. Nd5 Qb7 18. f3 Rac8 19. Bc3 Bxc3 20. Nxc3 Ned4 21. Nxd4
Nxd4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Hecht, Hans-Joachim"]
[Black "Romanishin, Oleg M"]
[Result "0-1"]
[PlyCount "58"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. d3 f6 7. Nbd2 Be6 8.
b3 Qd7 9. Nc4 Bc5 10. Qe2 Ne7 11. Be3 Bxe3 12. Qxe3 b6 13. Kh1 c5 14. Ng1 g5
15. Ne2 h5 16. c3 O-O-O 17. Nb2 Nc6 18. Rfd1 h4 19. f3 Rhg8 20. Rd2 f5 21. exf5
Bxf5 22. Rad1 g4 23. d4 exd4 24. cxd4 Rde8 25. Qf2 gxf3 26. gxf3 Bh3 27. Nf4
Nxd4 28. Qxh4 Bf5 29. Qf2 Qc6 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Keene, Raymond"]
[Black "Scholl, Eddy"]
[Result "1-0"]
[PlyCount "79"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. O-O c5 6. d4 Nc6 7. Nc3 d6 8. e3
Bf5 9. b3 Qc8 10. Bb2 Bg4 11. Qd2 Ne8 12. d5 Nd8 13. Ne1 a6 14. Nd3 Rb8 15. a4
Nc7 16. a5 Bh3 17. e4 Bxg2 18. Kxg2 e5 19. f4 f6 20. Na4 Nf7 21. Rae1 Na8 22.
b4 cxb4 23. Qxb4 b5 24. axb6 Nxb6 25. Nxb6 Qc7 26. c5 dxc5 27. Qxc5 Qxb6 28.
Qxb6 Rxb6 29. fxe5 fxe5 30. Ba1 Rb5 31. Rc1 Nd6 32. Rxf8+ Kxf8 33. Nc5 Bh6 34.
Rc2 Rb4 35. Re2 Nc4 36. Nd7+ Ke8 37. Nxe5 Ne3+ 38. Kh3 Rxe4 39. d6 Ra4 40. d7+
1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Sosonko, Gennady"]
[Black "Kovacevic, Vladimir"]
[Result "1/2-1/2"]
[PlyCount "145"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. Qb3 Qc8 5. h3 Bh5 6. g4 Bg6 7. Bg2 Nbd7 8. Bf4
c6 9. Nc3 e6 10. O-O Be7 11. Rac1 Ne4 12. Nxe4 Bxe4 13. Qe3 Bg6 14. d5 e5 15.
dxc6 bxc6 16. Bg3 O-O 17. Nd4 Nb8 18. c5 dxc5 19. Nb3 Qe6 20. Qxe5 Qxe5 21.
Bxe5 Nd7 22. Bc3 Rac8 23. Na5 Nb8 24. b3 Rfe8 25. Rfd1 f6 26. e3 Kf8 27. Bb2
Red8 28. Ba3 Rxd1+ 29. Rxd1 Be8 30. Bf1 Nd7 31. Rc1 Rc7 32. Bg2 h5 33. Nxc6
hxg4 34. hxg4 g5 35. Nd4 Rc8 36. Nf5 Bf7 37. Bf1 Be6 38. Nxe7 Kxe7 39. f3 Kd6
40. Kf2 a5 41. Bc4 Bxc4 42. Rxc4 Nb6 43. Rd4+ Ke6 44. Re4+ Kd5 45. Bb2 Rc6 46.
Re8 Rd6 47. e4+ Kc6 48. Ke3 a4 49. e5 fxe5 50. Bxe5 axb3 51. axb3 Rd1 52. Ke4
Re1+ 53. Kf5 Re3 54. Re6+ Kb7 55. b4 Rxf3+ 56. Ke4 Rf1 57. bxc5 Nc8 58. Re8 Na7
59. Re7+ Ka6 60. Rg7 Nc6 61. Bd6 Kb5 62. Rxg5 Kc4 63. Rg8 Nd4 64. Ke5 Re1+ 65.
Kf6 Kd5 66. g5 Ne6 67. g6 Rf1+ 68. Ke7 Nd4 69. g7 Nf5+ 70. Kd7 Rg1 71. Bf8 Rg6
72. Ke8 Ra6 73. Kd7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Torre, Eugenio"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[PlyCount "82"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. c3 a5 7. Qa4 Nc6 8. Qh4
a4 9. Bh6 e5 10. h3 Nh5 11. Qxd8 Rxd8 12. Bxg7 Kxg7 13. Nfd2 f5 14. Na3 Be6 15.
Nc2 f4 16. Kh2 g5 17. b4 b5 18. Rac1 Rab8 19. a3 Nf6 20. Rfd1 Bf5 21. Nf3 h6
22. e3 fxg3+ 23. Kxg3 Rd6 24. Ng1 Rf8 25. f3 Rf7 26. Ne2 Ne7 27. d4 Bxc2 28.
Rxc2 Nf5+ 29. Kf2 Ne4+ 30. fxe4 Nxd4+ 31. Kg3 Nxc2 32. exd5 Nxe3 33. Rd3 Nxg2
34. Kxg2 Rfd7 35. Ng3 Kg6 36. Ne4 Rxd5 37. Rg3 Rf7 38. h4 Rf4 39. h5+ Kf5 40.
Nc5 Rd2+ 41. Kg1 Rg4 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "3"]
[White "Van den Berg, Ad"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[PlyCount "142"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Nf3 Bg4 6. Bb5 Bxf3 7. gxf3 a6 8.
Bxc6+ bxc6 9. O-O Nf6 10. Kh1 O-O 11. Rg1 e6 12. Ne2 Nd7 13. Qd3 Qb8 14. Be3
Qb7 15. Rad1 Rab8 16. Bc1 c5 17. c3 f5 18. e5 Rfe8 19. h4 Rbd8 20. Qe3 cxd4 21.
cxd4 Kf7 22. Kg2 Nb6 23. Qb3 Rb8 24. Rd3 Qc6 25. Qd1 Nd5 26. Nc3 Red8 27. Nxd5
Qxd5 28. Qc2 dxe5 29. Qxc7+ Kg8 30. fxe5 Bxe5 31. Qe7 Rd7 32. Qa3 Bxd4 33. Rgd1
e5 34. Bf4 Rb6 35. Bh6 Qd6 36. Qxd6 Rdxd6 37. b3 Rdc6 38. f4 Rc2+ 39. Kh3 Rbc6
40. fxe5 R6c3 41. Bf4 Rxd3+ 42. Rxd3 Rc3 43. Rxc3 Bxc3 44. e6 Kg7 45. Bg5 Bb4
46. h5 gxh5 47. Kh4 Kg6 48. a4 h6 49. Bd8 Bd2 50. Kh3 Be1 51. Be7 a5 52. Bc5
Kf6 53. b4 Bxb4 54. e7 Kf7 55. Bxb4 axb4 56. a5 b3 57. a6 b2 58. a7 b1=Q 59.
e8=Q+ Kxe8 60. a8=Q+ Ke7 61. Qa7+ Ke6 62. Qe3+ Kf7 63. Qa7+ Kg6 64. Kg3 Qe1+
65. Kh2 h4 66. Qb6+ Kh5 67. Qf6 Qd2+ 68. Kh1 Qd5+ 69. Kh2 h3 70. Kxh3 Qh1+ 71.
Kg3 Qg1+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Bellin, Robert"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[PlyCount "76"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 a5 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3
d5 9. e6 fxe6 10. Qh5+ Kd7 11. Bf4 g6 12. Qg4 Bg7 13. O-O-O Qf8 14. Bh2 Na6 15.
Qg3 e5 16. dxe5 e6 17. f4 Qb4 18. Qf2 Nc4 19. Bxc4 Qxc4 20. Rd4 Qc6 21. g4 Raf8
22. Qg2 Kc8 23. Kb1 Rhg8 24. Re1 Bh6 25. Qd2 b6 26. Nb5 Kb7 27. c4 Nc5 28. cxd5
exd5 29. g5 Nxa4 30. Rxd5 Nc5 31. gxh6 Qxb5 32. Bg1 Nb3 33. Qg2 Qc6 34. e6 Rxf4
35. e7 Ra4 36. Bc5 Ra1+ 37. Kc2 Rxe1 38. Kxb3 bxc5 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Jakobsen, Ole"]
[Black "Keene, Raymond"]
[Result "1/2-1/2"]
[PlyCount "73"]

1. c4 g6 2. Nf3 Bg7 3. d4 d6 4. g3 Nf6 5. Bg2 O-O 6. Nc3 Nbd7 7. O-O e5 8. e4
c6 9. h3 Qb6 10. Re1 Re8 11. Re2 Qa5 12. d5 c5 13. a3 Qd8 14. b4 Re7 15. Rb1
Ne8 16. Be3 b6 17. Qd2 Nf8 18. Bh6 Ba6 19. Bxg7 Nxg7 20. b5 Bc8 21. Ne1 a6 22.
a4 f5 23. Nd3 axb5 24. axb5 Nd7 25. Rbe1 Ra3 26. Qb2 Ra7 27. f4 exf4 28. gxf4
fxe4 29. Nxe4 Nf5 30. Ndf2 Qf8 31. Ng5 Nf6 32. Rxe7 Rxe7 33. Ne6 Bxe6 34. dxe6
Nd4 35. Qd2 Rxe6 36. Rxe6 Nxe6 37. Bd5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Kovacevic, Vladimir"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[PlyCount "50"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8.
Nh3 exd5 9. Nf4 O-O 10. g3 Re8 11. Bg2 Nc6 12. O-O Nxd4 13. Nfxd5 c6 14. Nf4
Bg4 15. f3 Bd7 16. e4 Qb6 17. Na4 Qa5 18. a3 Rad8 19. b4 Qg5 20. Nc5 Bc8 21.
Qa4 h5 22. Rae1 h4 23. Nh3 Qd2 24. Qd1 Qc3 25. Nf4 Nc2 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Romanishin, Oleg M"]
[Black "Van den Berg, Ad"]
[Result "1-0"]
[PlyCount "85"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 c5 6. O-O cxd4 7. Nxd4 Nc6 8.
Nc2 Qa5 9. Nc3 Qh5 10. Nd5 d6 11. Nf4 Qa5 12. Bd2 Qd8 13. Bc3 g5 14. Nd5 Nxd5
15. Bxg7 Kxg7 16. cxd5 Ne5 17. Qd4 Qb6 18. Qxb6 axb6 19. f4 gxf4 20. gxf4 Ng6
21. e3 Nh4 22. Bh1 Bh3 23. Rfc1 Kf6 24. Kf2 Rg8 25. Rg1 Rxg1 26. Rxg1 Rc8 27.
Nb4 Bf5 28. a3 Ng6 29. Ke2 Bd7 30. Kd2 Bf5 31. Rc1 Rc5 32. Rc3 h5 33. Rb3 Bd7
34. Nd3 Rc7 35. Rxb6 Nh4 36. Rb3 Bg4 37. Ne1 Nf5 38. h3 Ng3 39. hxg4 Nxh1 40.
gxh5 Nf2 41. Rb4 Kf5 42. Nf3 Ne4+ 43. Kd3 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Scholl, Eddy"]
[Black "Torre, Eugenio"]
[Result "0-1"]
[PlyCount "108"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Nxd4 8.
Qxd4 Qa5 9. Bd2 e5 10. Qd3 h6 11. f3 a6 12. g4 Bc6 13. h4 Qb6 14. O-O-O Be7 15.
Bh3 Nh7 16. Kb1 Qc7 17. Bg2 Nf8 18. g5 h5 19. f4 Nd7 20. f5 b5 21. Be3 Rc8 22.
Qe2 Nb6 23. Bxb6 Qxb6 24. f6 gxf6 25. gxf6 b4 26. Nd5 Bxd5 27. Rxd5 Bxf6 28.
Bf3 Ke7 29. Bxh5 Rcg8 30. Rdd1 Rh6 31. Rdf1 Rg3 32. Qc4 Rxh5 33. Rxf6 d5 34.
Rxb6 dxc4 35. Rxb4 Rxh4 36. Rf1 Rf4 37. Rd1 Rxe4 38. Rb7+ Kf6 39. Rb6+ Kg5 40.
Rxa6 Rd4 41. Kc1 c3 42. Rxd4 Rg1+ 43. Rd1 cxb2+ 44. Kxb2 Rxd1 45. c4 f5 46. Re6
Kf4 47. Kc2 Rd8 48. a4 e4 49. c5 Ke3 50. Kc3 f4 51. Rf6 f3 52. Kc4 Kf2 53. c6
e3 54. c7 Rc8 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "4"]
[White "Sosonko, Gennady"]
[Black "Hartoch, Rob"]
[Result "1/2-1/2"]
[PlyCount "72"]

1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O Bg4 7. Bg5 h6 8. Bf4
Nc6 9. d5 Bxf3 10. Bxf3 Ne5 11. Be2 Ned7 12. Qd2 Kh7 13. a4 c6 14. a5 Nc5 15.
Qe3 cxd5 16. exd5 Rc8 17. Ra3 Nfd7 18. b4 Na6 19. Rb1 Re8 20. Ne4 Ne5 21. Bxe5
Bxe5 22. c4 Ra8 23. h4 e6 24. dxe6 f5 25. f4 Bg7 26. h5 fxe4 27. Qxe4 Qf6 28.
hxg6+ Kh8 29. f5 Re7 30. Rd3 Rf8 31. g4 Nb8 32. Rxd6 Nc6 33. Kg2 Ne5 34. Rh1
Kg8 35. Qd4 Qg5 36. Qd2 Rxf5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Hartoch, Rob"]
[Black "Kovacevic, Vladimir"]
[Result "0-1"]
[PlyCount "72"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 d4 5. O-O e5 6. d3 Ne7 7. e3 dxe3 8. fxe3
Nbc6 9. Qe2 O-O 10. Nc3 Bf5 11. Ne4 Bxe4 12. dxe4 Qd6 13. b3 Rad8 14. Bb2 Bh6
15. g4 f6 16. h4 Qd3 17. Qxd3 Rxd3 18. g5 Bg7 19. Rfe1 f5 20. Re2 f4 21. exf4
Rxf4 22. Rf1 b6 23. Ne1 Rd1 24. Rxf4 exf4 25. e5 Nb4 26. Ba3 a5 27. Kh2 Nf5 28.
Bxb4 axb4 29. Bd5+ Kf8 30. Nf3 Ne3 31. Be4 Ra1 32. h5 Nf1+ 33. Kh3 Ng3 34. Rd2
Nxe4 35. Rd7 gxh5 36. e6 Rf1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Hecht, Hans-Joachim"]
[Black "Sosonko, Gennady"]
[Result "1-0"]
[PlyCount "81"]

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. b3 Qc7 13. Qd2 Qa5 14. Rac1 a6
15. Nxc6 Rxc6 16. Rfd1 b5 17. Nd5 Qxd2 18. Bxd2 Nxd5 19. cxd5 Rcc8 20. Ba5 f5
21. exf5 gxf5 22. Rc6 Kf7 23. f4 h5 24. Kf2 Bf6 25. Kf3 Rxc6 26. dxc6 Ke6 27.
Re1+ Kd5 28. Rc1 Rc8 29. c7 Bd4 30. Rd1 e5 31. Bb6 Kc6 32. Bxd4 exd4 33. Rc1+
Kd7 34. Ke2 Re8+ 35. Kd3 Kc8 36. Kxd4 Re2 37. Kd5 Rxa2 38. Kxd6 Rxg2 39. Kc6
Rg4 40. Kb6 b4 41. Rc6 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Jansa, Vlastimil"]
[Black "Scholl, Eddy"]
[Result "1/2-1/2"]
[PlyCount "108"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 O-O 7. O-O Nc6 8.
d4 Nb6 9. d5 Na5 10. Bf4 c6 11. e4 cxd5 12. exd5 Nac4 13. Qe2 Bd7 14. Rac1 Rc8
15. b3 Nd6 16. Ne5 Rxc3 17. Rxc3 Bb5 18. Rc4 f6 19. Ng4 Ndxc4 20. bxc4 Bxc4 21.
Qe6+ Kh8 22. Rc1 Bxd5 23. Bxd5 Nxd5 24. Nh6 Bxh6 25. Bxh6 Rg8 26. Rd1 Nc7 27.
Qb3 Qc8 28. Rc1 Qh3 29. Be3 Ne8 30. Qxb7 Qe6 31. Qxa7 Nd6 32. a4 Nf5 33. Qb6
Qa2 34. Qa7 Nxe3 35. Qxe3 Qxa4 36. Qxe7 Qd4 37. h4 Qe5 38. Qxe5 fxe5 39. Rc7
Re8 40. Kf1 Re6 41. Ke2 h5 42. Ke3 Kg8 43. Ke4 Rf6 44. f3 Re6 45. Kd5 Re8 46.
Rb7 Rf8 47. Ke4 Re8 48. Rb5 Kf7 49. Rxe5 Ra8 50. Rc5 Kf6 51. Rc6+ Kg7 52. Re6
Ra4+ 53. Ke5 Ra3 54. Re7+ Kg8 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Keene, Raymond"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[PlyCount "36"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 d5 4. d4 e6 5. c3 c5 6. Bg5 Nbd7 7. a4 Qb6 8. O-O
Ne4 9. Bf4 Be7 10. Nbd2 Ndf6 11. Nxe4 Nxe4 12. Nd2 Nxd2 13. Qxd2 cxd4 14. a5
Qa6 15. cxd4 O-O 16. Rfc1 Bb7 17. Rc7 Bd8 18. Rc5 Be7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Torre, Eugenio"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[PlyCount "224"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O c6 7. a4 Qc7 8. a5 e5
9. dxe5 dxe5 10. Be3 Ng4 11. Bc5 Rd8 12. Nd2 Bh6 13. Ncb1 Nd7 14. Be7 Re8 15.
Bh4 Ngf6 16. Nc3 Bg7 17. Nc4 Re6 18. Qd2 Bf8 19. Rfd1 Bb4 20. f3 Rb8 21. Ra4
Be7 22. Bf2 b5 23. axb6 axb6 24. Rda1 b5 25. Ra7 Rb7 26. Rxb7 Bxb7 27. Na5 Nb6
28. Nxb7 Qxb7 29. Nd1 Nfd7 30. Qa5 Bc5 31. Bxc5 Nxc5 32. Qa7 Re7 33. Qxb7 Rxb7
34. Kf2 f6 35. Ke3 Kf7 36. b3 f5 37. Bd3 f4+ 38. Ke2 Ne6 39. Nc3 Nd7 40. b4 g5
41. Kd2 h5 42. Nd1 Nb6 43. c3 Ke7 44. Nb2 Kd6 45. Be2 Rd7 46. Kc2 Kc7 47. Ra7+
Kc8 48. Rxd7 Kxd7 49. Kd2 Ke7 50. Bd1 Nc7 51. Bb3 Ne8 52. h3 Nd6 53. Kd3 Nd7
54. Kd2 g4 55. hxg4 hxg4 56. Nd3 g3 57. Ke2 Ne8 58. Kd2 Nef6 59. Ke2 Kd6 60. c4
bxc4 61. Bxc4 Nb6 62. Bb3 Nfd7 63. Kd2 Nf6 64. Ke2 Ne8 65. Nb2 Nc7 66. Nc4+
Nxc4 67. Bxc4 Kd7 68. Kd3 Kc8 69. Kc3 Kb7 70. Kb3 Kb6 71. Kc3 Ne8 72. Be2 Nf6
73. Bd3 Nh7 74. Bf1 Ng5 75. Kc4 Ne6 76. Kc3 Nd4 77. Kd2 c5 78. bxc5+ Kxc5 79.
Kc3 Kb6 80. Kd2 Ka5 81. Kc3 Kb6 82. Kd2 Kc6 83. Be2 Kc5 84. Bd1 Kc4 85. Be2+
Kb3 86. Bd1+ Kb2 87. Ke1 Kc3 88. Ba4 Kd3 89. Bd1 Ke3 90. Kf1 Kd2 91. Ba4 Ne2
92. Bd1 Nc3 93. Be2 Nb1 94. Bc4 Na3 95. Bb3 Kc3 96. Ba4 Nc4 97. Bb5 Ne3+ 98.
Kg1 Kd2 99. Ba6 Ke1 100. Bd3 Nd1 101. Ba6 Nc3 102. Bd3 Na4 103. Bb5 Nc5 104.
Bc4 Nb7 105. Bb5 Na5 106. Ba4 Nc4 107. Bb5 Nd2 108. Ba4 Ke2 109. Bb5+ Ke3 110.
Ba4 Nxf3+ 111. gxf3 Kxf3 112. Bc6 g2 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "5"]
[White "Van den Berg, Ad"]
[Black "Bellin, Robert"]
[Result "1-0"]
[PlyCount "91"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 Be7 10. f5 Ne5 11. fxe6 fxe6 12. Nf3 Qc7 13. Be2 Nf7 14. Bh4 h6
15. Rhe1 g5 16. Bf2 b5 17. a3 Ne5 18. Kb1 Rb8 19. Bg3 a5 20. Nd4 Nc4 21. Qd3 e5
22. Ndxb5 Rxb5 23. Qxc4 Rc5 24. Qd3 O-O 25. Bf2 Rxc3 26. Qxc3 Qxc3 27. bxc3 Rc8
28. Bd3 Rxc3 29. Kb2 Rc8 30. c4 Bc6 31. Ka2 Nd7 32. Rb1 Bd8 33. Rf1 Kg7 34. Rb2
Bc7 35. Be3 Re8 36. Rbf2 Re7 37. h4 gxh4 38. Rh1 Nc5 39. Bc2 Re6 40. Rxh4 Rg6
41. Bxc5 dxc5 42. Rh3 Bd8 43. Rb3 Bc7 44. Rbf3 Be8 45. Ba4 Bxa4 46. Rf7+ 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Bellin, Robert"]
[Black "Keene, Raymond"]
[Result "1/2-1/2"]
[PlyCount "56"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nh6 5. Nf3 O-O 6. h3 c5 7. dxc5 dxc5 8. Qxd8
Rxd8 9. Bd2 Nc6 10. g4 Kf8 11. O-O-O Bd7 12. e5 f6 13. exf6 exf6 14. Ne4 b6 15.
Bc4 Ne7 16. g5 Nhg8 17. Bc3 fxg5 18. Nfxg5 Bxc3 19. Nxc3 Nf6 20. Rd6 Neg8 21.
Rhd1 Ke7 22. Nf7 Re8 23. Ne4 Bf5 24. Nxf6 Nxf6 25. Ng5 Red8 26. Rxd8 Rxd8 27.
Re1+ Kf8 28. Ne6+ Bxe6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Hartoch, Rob"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[PlyCount "110"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Nxe4
Bxe4 9. Ne1 d5 10. Qb3 Bxg2 11. Nxg2 Nc6 12. cxd5 Nxd4 13. Qc4 Qxd5 14. Qxd5
Nxe2+ 15. Kh1 exd5 16. Be3 d4 17. Rfe1 Nxg3+ 18. hxg3 dxe3 19. Nxe3 Bc5 20. Kg2
Rad8 21. Nf1 Rfe8 22. Rad1 Kf8 23. Rxe8+ Rxe8 24. Kf3 Re6 25. Rd2 Rf6+ 26. Kg2
Ke7 27. Nh2 a5 28. Nf3 Rd6 29. Rc2 Rd5 30. Rc4 h5 31. a3 f5 32. b4 axb4 33.
axb4 Bd6 34. Nd4 Kf6 35. Nc2 g5 36. Rc6 Ke6 37. Rc3 Rd2 38. Kf1 f4 39. gxf4
Bxf4 40. b5 Rd5 41. Rb3 Rd1+ 42. Kg2 g4 43. Ne3 Bxe3 44. Rxe3+ Kd6 45. Kg3 Rd5
46. Rb3 c6 47. bxc6 Kxc6 48. f3 gxf3 49. Kxf3 b5 50. Ke4 Rd8 51. Rb1 h4 52. Kf4
h3 53. Kg3 Rd3+ 54. Kh2 Kc5 55. Rc1+ Kd4 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Jakobsen, Ole"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[PlyCount "47"]

1. c4 g6 2. d4 Nf6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 c6 7. O-O Qa5 8. h3
Be6 9. d5 cxd5 10. Nd4 Bd7 11. cxd5 Rc8 12. e4 Na6 13. Be3 Be8 14. Nb3 Qd8 15.
Qe2 Nd7 16. Rac1 Ndc5 17. Nd4 Qa5 18. Rfd1 Rab8 19. Ncb5 Nc7 20. Na3 b5 21. Nb3
Nxb3 22. axb3 Na8 23. Ra1 Qc7 24. Rd2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Kovacevic, Vladimir"]
[Black "Scholl, Eddy"]
[Result "1/2-1/2"]
[PlyCount "82"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. Nf3 d6 6. O-O Bxc3 7. bxc3 Nc6 8.
d3 Bd7 9. Ne1 Kh8 10. Nc2 Qc8 11. e4 Ng8 12. Ne3 Nge7 13. Ba3 Bh3 14. c5 Bxg2
15. Kxg2 dxc5 16. Bxc5 Qd7 17. Qa4 Rfd8 18. Rad1 Qe6 19. Qc4 Rd7 20. Qxe6 fxe6
21. Kf3 Rad8 22. Ke2 Nc8 23. f4 Nb6 24. Bxb6 axb6 25. fxe5 Nxe5 26. d4 Nc6 27.
Rb1 Ra8 28. Rb2 Kg8 29. Nc4 Rf7 30. Rxf7 Kxf7 31. Kd3 Ke7 32. h4 Rf8 33. Ke2
Ra8 34. Ke3 Rf8 35. Nd2 Ra8 36. Nc4 Rf8 37. d5 exd5 38. exd5 Nd8 39. Kd4 Rf6
40. Re2+ Kd7 41. Ne5+ Kd6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Romanishin, Oleg M"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[PlyCount "46"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. f3 Nbd7 7. d5 cxd5 8. Bxb5
Bg7 9. exd5 O-O 10. Nge2 Bb7 11. Bxd7 Qxd7 12. O-O Rfc8 13. Ng3 Rc5 14. Nge4
Nxe4 15. fxe4 Bxc3 16. bxc3 Rac8 17. Rf3 f6 18. Bh4 Qc7 19. Rb1 Ba6 20. Rb3 Bc4
21. Rb2 Ba6 22. Rb3 Bc4 23. Rb2 Ba6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "6"]
[White "Sosonko, Gennady"]
[Black "Van den Berg, Ad"]
[Result "1-0"]
[PlyCount "99"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 Na6 5. e4 Nc7 6. a4 g6 7. Be2 Bg7 8. O-O a6
9. h3 O-O 10. Bf4 Bd7 11. e5 dxe5 12. Nxe5 Nce8 13. Re1 Nd6 14. Bf3 Nf5 15. Ne4
Nxe4 16. Bxe4 Nd6 17. Bf3 Be8 18. c3 Rc8 19. Qb3 c4 20. Qc2 g5 21. Bh2 f6 22.
Ng4 Bg6 23. Qe2 Rf7 24. Rad1 Bf8 25. Ne3 Qe8 26. a5 Qb5 27. Bxd6 exd6 28. Bg4
Bd3 29. Qf3 f5 30. Bxf5 Re8 31. g4 Qxb2 32. Qg3 Bxf5 33. Nxf5 Rxe1+ 34. Rxe1
Qd2 35. Qe3 Qxe3 36. Rxe3 Rc7 37. Re8 Rc5 38. Nxd6 Rxd5 39. Nxc4 Kf7 40. Rb8
Rb5 41. Kg2 Be7 42. Kf3 Rc5 43. Ne3 Rxc3 44. Rxb7 Ra3 45. Ke4 Ra4+ 46. Ke5
Rxa5+ 47. Nd5 Kf8 48. Ke6 Ra2 49. Nxe7 Re2+ 50. Kf6 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Hecht, Hans-Joachim"]
[Black "Kovacevic, Vladimir"]
[Result "1/2-1/2"]
[PlyCount "59"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5 O-O 7. Qe2 Nc5 8.
Nc3 d6 9. Rd1 Bg4 10. Bxc6 bxc6 11. h3 Bd7 12. Ne4 Nxe4 13. Qxe4 d5 14. Qe2 Qb8
15. c4 Qb7 16. Be3 Rfb8 17. cxd5 cxd5 18. Rac1 c6 19. Bd4 a5 20. Ne1 Qb5 21.
Qxb5 Rxb5 22. Nd3 a4 23. Nc5 Be8 24. Nd3 Raa5 25. Bc3 Ra8 26. Bd4 h5 27. g4
hxg4 28. hxg4 Bd7 29. f3 Raa5 30. Bc3 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Jansa, Vlastimil"]
[Black "Romanishin, Oleg M"]
[Result "1-0"]
[PlyCount "83"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 Qa5+ 5. Bd2 Qb6 6. Bc3 Nf6 7. d5 O-O 8. Bd3
d6 9. O-O Bg4 10. Nbd2 Nh5 11. h3 Bxf3 12. Nxf3 Bxc3 13. bxc3 Nd7 14. Qd2 f6
15. Nh2 Qc7 16. Be2 Ng7 17. Ng4 a6 18. Ne3 f5 19. exf5 Nxf5 20. Nxf5 Rxf5 21.
Rae1 Rf6 22. f4 Nf8 23. Bd3 Re8 24. f5 Qd8 25. Rf3 Kg7 26. Re4 gxf5 27. Rxf5
Rxf5 28. Rg4+ Ng6 29. Bxf5 Rf8 30. Rg5 Rf6 31. Rh5 Kh8 32. Qh6 Qg8 33. Rg5 Qg7
34. Qh5 Qf7 35. Bxg6 Rxg6 36. Rxg6 Qxg6 37. Qxg6 hxg6 38. Kf2 Kg7 39. Ke3 Kf6
40. Ke4 Kg5 41. a4 b6 42. g3 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Keene, Raymond"]
[Black "Sosonko, Gennady"]
[Result "1/2-1/2"]
[PlyCount "44"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Qa5 8. h3 e5
9. d5 cxd5 10. cxd5 Bd7 11. Nd2 Rc8 12. e4 Na6 13. Re1 Nc5 14. Bf1 b5 15. a3
Qb6 16. b4 Nd3 17. Bxd3 Rxc3 18. Nb1 Rcc8 19. Bf1 Qd4 20. Qxd4 exd4 21. Bb2 Nh5
22. Bd3 a5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Scholl, Eddy"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[PlyCount "89"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 c6 5. Qd2 b5 6. h3 Nd7 7. Nf3 Bb7 8. Bd3
Qc7 9. O-O Ngf6 10. Rfe1 e5 11. dxe5 dxe5 12. a4 a6 13. axb5 axb5 14. Qe3 h6
15. Rxa8+ Bxa8 16. Ra1 Bb7 17. Bh4 Nh5 18. Nd2 O-O 19. Nb3 Ra8 20. Rxa8+ Bxa8
21. f3 Nf4 22. Bf1 Ne6 23. Ne2 Bf8 24. Bf2 h5 25. Qa7 Qxa7 26. Bxa7 h4 27. Bf2
Be7 28. Nec1 Kf8 29. c3 Ke8 30. Nd2 Bb7 31. b4 Kd8 32. Nd3 Kc7 33. Be2 Bg5 34.
Nb3 Bc8 35. Kf1 f6 36. Nbc5 Nb6 37. Nxe6+ Bxe6 38. Nc5 Bf7 39. Na6+ Kb7 40.
Nc5+ Kc8 41. Bd1 Nc4 42. Ke2 Kd8 43. Bb3 Ke7 44. Nb7 Kd7 45. Na5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Torre, Eugenio"]
[Black "Bellin, Robert"]
[Result "1/2-1/2"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 g6 7. O-O Bg7 8.
Be3 O-O 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f4 Nxd4 12. Bxd4 e5 13. Be3 exf4 14. Rxf4
Be6 15. Rf2 a6 16. Bd4 Be5 17. Rd1 Qe7 18. Qe3 Rac8 19. Rfd2 Rc7 20. Bxe5 dxe5
21. Rd6 Rfc8 22. Qg3 f6 23. Qf2 Kg7 24. R1d2 Rc6 25. Rxc6 Rxc6 26. Nd5 Qf7 27.
b3 Rc8 28. h3 Qf8 29. c4 Bxd5 30. Rxd5 Rc7 31. c5 Rf7 32. b4 Qe8 33. Qc2 Qb5
34. a3 Rc7 35. Rd6 a5 36. Qd2 axb4 37. axb4 Rf7 38. Rb6 Qc4 39. Qd5 Qc1+ 40.
Kf2 Qb2+ 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "7"]
[White "Van den Berg, Ad"]
[Black "Hartoch, Rob"]
[Result "1/2-1/2"]
[PlyCount "32"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 e6 6. Bc4 Nf6 7. Be3 Be7 8.
Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Nxd4 12. Rxd4 b5 13. g5 Nd7 14. h4 Nc5
15. h5 Nxb3+ 16. axb3 f5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Bellin, Robert"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[PlyCount "74"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 Qc7 8.
Nb3 b5 9. f4 d6 10. O-O Bb7 11. Qf3 Be7 12. a4 b4 13. Nb1 O-O 14. N1d2 e5 15.
Kh1 Rfe8 16. a5 exf4 17. Bb6 Qd7 18. Qxf4 Bd8 19. Nc4 Ne5 20. Nxe5 Rxe5 21. Bd4
Rh5 22. Be2 Rh6 23. e5 Nd5 24. Qd2 Bc7 25. Bf3 dxe5 26. Nc5 Rxh2+ 27. Kg1 Qe7
28. Bf2 e4 29. Nxe4 Rh6 30. g3 Rd8 31. Qe2 Re6 32. Qc4 Nf4 33. Bc5 Qe8 34. Rae1
Bd5 35. Qxb4 Nh3+ 36. Kg2 f5 37. Nf2 Bxf3+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Hartoch, Rob"]
[Black "Keene, Raymond"]
[Result "1/2-1/2"]
[PlyCount "25"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. e3 d6 6. a3 Bxc3 7. Qxc3 e5 8. Be2
a5 9. b4 axb4 10. axb4 Rxa1 11. Qxa1 Nc6 12. Ba3 e4 13. Nd4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Hecht, Hans-Joachim"]
[Black "Van den Berg, Ad"]
[Result "1/2-1/2"]
[PlyCount "34"]

1. Nf3 c5 2. e4 e6 3. Nc3 Nc6 4. Bb5 Nge7 5. O-O Qb6 6. Re1 Nd4 7. Bf1 Nec6 8.
b3 Nxf3+ 9. Qxf3 Nd4 10. Qd3 d6 11. Na4 Qd8 12. c3 Nc6 13. Qg3 g6 14. d4 cxd4
15. cxd4 Nxd4 16. Bb2 Bg7 17. Rad1 e5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Kovacevic, Vladimir"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[PlyCount "62"]

1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. e4 d6 5. f4 Bg7 6. Bb5+ Nfd7 7. Nf3 O-O 8. a4
Na6 9. O-O Nc7 10. Bc4 a6 11. Qe2 b5 12. axb5 Nb6 13. Bd3 c4 14. Qf2 cxd3 15.
Qxb6 dxc2 16. Qf2 axb5 17. Rxa8 Nxa8 18. Nd4 Bxd4 19. Qxd4 Qb6 20. Ne2 Bg4 21.
Qxb6 Nxb6 22. Nd4 Bd1 23. Kf2 Ra8 24. Ke3 Ra1 25. Nb3 Rb1 26. Kd2 Na4 27. Nd4
Nc5 28. Rxd1 cxd1=Q+ 29. Kxd1 Ra1 30. Kc2 Nxe4 31. Nxb5 Ra5 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Romanishin, Oleg M"]
[Black "Scholl, Eddy"]
[Result "1-0"]
[PlyCount "93"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d6 9. h3 Nd7 10. d4 Nb6 11. Nbd2 Bf6 12. Nf1 Re8 13. N1h2 Na5 14. Bc2 exd4 15.
cxd4 c5 16. b3 Nc6 17. Bb2 Be6 18. Qd2 Rc8 19. Rad1 cxd4 20. Bb1 Nd7 21. Nxd4
Qb6 22. Nxc6 Rxc6 23. Bxf6 Nxf6 24. Re3 Rec8 25. Nf3 b4 26. Ree1 Ne8 27. Nd4
Rc3 28. Nxe6 fxe6 29. Bd3 Nf6 30. Bc4 d5 31. exd5 exd5 32. Bxd5+ Nxd5 33. Qxd5+
Kh8 34. Re6 Qb8 35. Qd6 Rc1 36. Rxc1 Rxc1+ 37. Kh2 Qg8 38. Qe5 Rc8 39. Rxa6 Qf7
40. Re6 Rf8 41. f3 Ra8 42. Rb6 Qf8 43. Kg3 Re8 44. Qf4 Qxf4+ 45. Kxf4 g5+ 46.
Kxg5 Rg8+ 47. Kh6 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "8"]
[White "Sosonko, Gennady"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[PlyCount "115"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Nd2 c5 10. a3 Ne8 11. b4 b6 12. Qb3 f5 13. a4 a5 14. bxc5 bxc5 15. Rb1
Nc7 16. Nb5 Na6 17. exf5 gxf5 18. f4 e4 19. Bb2 Rf7 20. g4 e3 21. Nf3 Bxb2 22.
Qxb2 Ng6 23. Ng5 Rg7 24. Ne6 Bxe6 25. dxe6 Qe7 26. Bf3 Rf8 27. Bd5 Nb4 28. Qe2
Nxd5 29. cxd5 fxg4 30. Qxe3 Nh4 31. Rb2 Nf5 32. Qe4 g3 33. h3 Qh4 34. Kg2 Qf6
35. Rb3 Qg6 36. Re1 Qh6 37. Rf1 Qh5 38. Re1 Qh6 39. Rf1 Qf6 40. Rc3 Rg6 41. Re1
Rh6 42. Qe2 Rg6 43. Qe4 Rb8 44. Rb3 Rb7 45. Rbb1 Re7 46. Rb3 Kh8 47. Na3 Re8
48. Nc4 Rh6 49. Ne3 Nh4+ 50. Kg1 Qd4 51. Qxd4+ cxd4 52. Ng4 Rg6 53. f5 Nxf5 54.
Rf1 Ne7 55. Rb7 Nxd5 56. Rf5 Ne3 57. Nf6 Rxf6 58. Rxf6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Jakobsen, Ole"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[PlyCount "81"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Qc2 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 Re8 8. Bf4
Nbd7 9. cxd5 Nxd5 10. Bd2 Nf8 11. Nc3 e5 12. a3 Ne6 13. e3 Ne7 14. b4 b6 15.
Rfd1 Bb7 16. Bc1 Rc8 17. Bb2 c5 18. Qb3 Qc7 19. Rac1 Qb8 20. e4 Bh6 21. Rb1 Nd4
22. Nxd4 cxd4 23. Ne2 Qc7 24. Bc1 Bxc1 25. Rdxc1 Qd7 26. f4 Qg4 27. Re1 Kg7 28.
Qa2 f6 29. Rf1 Rf8 30. Rf2 Qd7 31. Rbf1 Ng8 32. fxe5 fxe5 33. Bh3 Qxh3 34. Rf7+
Rxf7 35. Rxf7+ Kh8 36. Rxb7 Qh6 37. Qe6 Qe3+ 38. Kh1 Qf3+ 39. Kg1 Qe3+ 40. Kh1
Qf3+ 41. Kg1 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Jansa, Vlastimil"]
[Black "Sosonko, Gennady"]
[Result "1-0"]
[PlyCount "141"]

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 d5 10. e5 Nd7 11. Bxe7 Qxe7 12. Nf3 Nb6 13. Bd3 Bd7 14. Kb1
Rfc8 15. Nb5 Na4 16. Nd6 Rf8 17. c4 f6 18. Qc2 fxe5 19. Bxh7+ Kh8 20. Nxe5 Nxe5
21. fxe5 Qh4 22. Rd3 Rf2 23. Rh3 Qxh3 24. gxh3 Rxc2 25. Bxc2 dxc4 26. Rd1 Bc6
27. Nxc4 Nc5 28. Rd4 Rf8 29. b4 Na4 30. Rh4+ Kg8 31. Bh7+ Kf7 32. Rf4+ Ke7 33.
Rxf8 Kxf8 34. Kc2 Bd5 35. Bd3 Ke7 36. a3 Kd7 37. Ne3 Kc6 38. Bg6 Nb6 39. Kd3
Kb5 40. Nxd5 Nxd5 41. Be8+ Kb6 42. Bf7 Kc7 43. Kd4 Kd7 44. Bg6 b6 45. h4 Nc7
46. Bd3 Kc6 47. a4 Kd7 48. Be4 Ke7 49. h5 Na6 50. Kc4 Kd7 51. Bb7 Nb8 52. Kd4
Ke7 53. Bf3 Na6 54. Kc4 Kd7 55. Bg2 Kc7 56. Bh3 Kd7 57. Bg4 Nc7 58. Bf3 Na6 59.
Kc3 Kc7 60. Be2 Nb8 61. Bb5 Kd8 62. a5 Kc7 63. Kc4 a6 64. axb6+ Kxb6 65. Be8
Nc6 66. Bxc6 Kxc6 67. Kd4 Kb5 68. Kc3 Kc6 69. Kc4 Kb6 70. Kb3 Kb5 71. h3 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Keene, Raymond"]
[Black "Hecht, Hans-Joachim"]
[Result "1/2-1/2"]
[PlyCount "67"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O
d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bf4 Bd6 12. Bxd6 Qxd6 13. Qc2 Nd7 14. Rac1 c6
15. Rfd1 Rfc8 16. Ne1 Rc7 17. Nd3 Re8 18. e3 Ba6 19. a3 Nf6 20. Qa4 Bb5 21. Qb4
Qxb4 22. Nxb4 Rd8 23. b3 a5 24. Na2 Be2 25. Rd2 Bg4 26. b4 axb4 27. Nxb4 c5 28.
dxc5 Rxc5 29. Rxc5 bxc5 30. Nxd5 Kf8 31. e4 Nxd5 32. exd5 Ke7 33. f4 Kd6 34.
Bf1 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Scholl, Eddy"]
[Black "Bellin, Robert"]
[Result "1/2-1/2"]
[PlyCount "49"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. g3 Qb6 13. Kb1 O-O-O 14. f5 h5
15. h3 Kb8 16. fxe6 fxe6 17. Ne2 Qb7 18. Nf4 Ne5 19. Nh4 Nc4 20. Qe2 f5 21.
exf5 Bf6 22. c3 Bc6 23. Bg2 Bxh4 24. Bxc6 Qxc6 25. gxh4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Torre, Eugenio"]
[Black "Hartoch, Rob"]
[Result "1/2-1/2"]
[PlyCount "40"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. c3 e5 8. a3 Nge7
9. b4 O-O 10. Nbd2 h6 11. Bb2 Be6 12. Rb1 Qd7 13. d4 exd4 14. cxd4 cxd4 15. b5
Ne5 16. Nxd4 Bc4 17. Nxc4 Nxc4 18. Bc1 Qc7 19. Nc2 Nc8 20. h4 N8b6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "9"]
[White "Van den Berg, Ad"]
[Black "Kovacevic, Vladimir"]
[Result "1/2-1/2"]
[PlyCount "112"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2
Bxg7 8. O-O-O Nc6 9. Nf3 Bd7 10. Bg5 O-O-O 11. Be2 f6 12. Be3 e5 13. Nh4 f5 14.
g3 Bf6 15. Ng2 Be6 16. f4 Nd4 17. Bh5 e4 18. a3 c5 19. Rd2 Kc7 20. Rhd1 a5 21.
Kb1 Kc6 22. c3 Nb5 23. Rxd8 Bxd8 24. Bf2 Nd6 25. Ne3 Bc7 26. Be2 b5 27. Rc1 Rd8
28. c4 Nxc4 29. Nxc4 Bxc4 30. Bxc4 bxc4 31. Rxc4 Bb6 32. Kc2 Rd3 33. Rc3 Rxc3+
34. Kxc3 Kd5 35. b3 a4 36. bxa4 Ba5+ 37. Kc2 Kc4 38. Be3 h5 39. Bf2 Kd5 40. Kb3
c4+ 41. Kc2 c3 42. Be3 Kc4 43. Bg1 Bd8 44. Bf2 Ba5 45. Bg1 Bc7 46. Be3 Bd8 47.
Bf2 Be7 48. a5 Kb5 49. Kxc3 Bxa3 50. Bb6 Bb4+ 51. Kd4 Be1 52. Ke5 Bxa5 53. Kxf5
Bxb6 54. Kxe4 Kc6 55. Kf5 Kd6 56. Kg5 Bg1 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Bellin, Robert"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[PlyCount "38"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Be3 Nf6 6. Be2 O-O 7. Nf3 e6 8. Qd2
b6 9. O-O-O Bb7 10. h3 Ne7 11. Bd3 c5 12. dxc5 bxc5 13. e5 Nfd5 14. Ne4 Nxe3
15. Qxe3 Nf5 16. Qe1 c4 17. Nf6+ Bxf6 18. Bxf5 Bxf3 19. Rxd6 Qe7 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Hartoch, Rob"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[PlyCount "13"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 Bf5 5. c3 e6 6. Nf3 c5 7. Bb5+ 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Hecht, Hans-Joachim"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[PlyCount "98"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. h4 h5 8. Nh3 Bg7
9. Ng5 a6 10. O-O-O Qc7 11. Ne2 c5 12. dxc5 dxc5 13. Bf4 e5 14. Be3 Bb7 15. Nc3
O-O 16. g4 Rad8 17. gxh5 Nxh5 18. Bh3 Ndf6 19. Qf2 b4 20. Na4 Rd4 21. Bxd4 cxd4
22. Kb1 Bc8 23. Bxc8 Rxc8 24. b3 Ne8 25. Qd2 a5 26. Rh2 Nd6 27. Nh3 Nb5 28. Qd3
Nc3+ 29. Nxc3 bxc3 30. Ka1 Qc5 31. Rb1 Bh6 32. Rg2 Be3 33. Re2 Rc6 34. Ree1 Rf6
35. Qe2 Kg7 36. Red1 Qc8 37. Qg2 Bd2 38. Nf2 Nf4 39. Qf1 Rb6 40. Nd3 Nxd3 41.
Qxd3 Bf4 42. Rh1 Rb4 43. a3 Rb6 44. Ka2 Qd7 45. Rhd1 Qh3 46. Rh1 Qg2 47. Rhg1
Qh2 48. Rh1 Qg2 49. Rhg1 Qh2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Kovacevic, Vladimir"]
[Black "Romanishin, Oleg M"]
[Result "0-1"]
[PlyCount "108"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 Bb4 5. Nxe5 Qe7 6. Nd3 Nxe4 7. Qe2 Nxc3 8.
dxc3 Qxe2+ 9. Bxe2 Be7 10. Be3 d6 11. O-O-O Nd7 12. Bg4 O-O 13. Rhe1 Re8 14.
Kc2 Kf8 15. b3 a6 16. a4 Nf6 17. Bxc8 Raxc8 18. a5 Bd8 19. b4 Bc7 20. h3 Re6
21. g4 Rce8 22. Kb3 Re4 23. Bf4 Rxe1 24. Nxe1 Re4 25. Ng2 Ne8 26. Bg3 g6 27.
Ne3 Ke7 28. Rd3 Re6 29. Nc2 Kf8 30. Nd4 Re1 31. Nf3 Re2 32. Nd4 Re1 33. h4 Bd8
34. Nf3 Re6 35. c5 d5 36. c4 dxc4+ 37. Kxc4 Re4+ 38. Kb3 Bc7 39. Bd6+ Nxd6 40.
cxd6 Bd8 41. g5 Ke8 42. Nd2 Rxh4 43. d7+ Ke7 44. f3 Rf4 45. Ne4 Rf5 46. Nd6 Rd5
47. Rxd5 cxd5 48. Nxb7 Kxd7 49. Nc5+ Kc6 50. Nxa6 Kb5 51. Nc5 Bxg5 52. Na4 Bd2
53. Nb6 Bxb4 54. Nxd5 Bxa5 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Sosonko, Gennady"]
[Black "Scholl, Eddy"]
[Result "1-0"]
[PlyCount "61"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2
b5 9. Qb3 Bb7 10. e5 Ng4 11. O-O c5 12. dxc5 Qc7 13. Bf4 Nd7 14. Rac1 Ndxe5 15.
Nd5 Bxd5 16. Qxd5 Rad8 17. Qe4 Qc6 18. Qc2 Qf6 19. Bg3 Nc6 20. Qe4 Nh6 21. a4
Nd4 22. Nxd4 Qxd4 23. Qxd4 Bxd4 24. axb5 axb5 25. b4 Nf5 26. Bc7 Ra8 27. Bxb5
Ra2 28. Ba5 Ra8 29. Bd7 R2xa5 30. bxa5 Be5 31. Bxf5 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "10"]
[White "Van den Berg, Ad"]
[Black "Keene, Raymond"]
[Result "0-1"]
[PlyCount "56"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. a4
b6 9. Bb5+ Bd7 10. Bd3 Nbc6 11. O-O h6 12. Re1 O-O 13. h4 f5 14. Ba3 Na5 15. h5
Rf7 16. Nh4 Bxa4 17. g4 Raf8 18. Bc1 Be8 19. g5 hxg5 20. Bxg5 cxd4 21. cxd4 Qc3
22. Ng6 Nec6 23. h6 gxh6 24. Bxh6 Rh7 25. Nxf8 Rxh6 26. Nxe6 Bh5 27. Qc1 Rg6+
28. Kf1 Nb3 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Jakobsen, Ole"]
[Black "Sosonko, Gennady"]
[Result "1/2-1/2"]
[PlyCount "24"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. O-O Nge7 7. e3 O-O 8. d4
cxd4 9. Nxd4 Nxd4 10. exd4 d5 11. cxd5 Nxd5 12. Nxd5 exd5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Jansa, Vlastimil"]
[Black "Hecht, Hans-Joachim"]
[Result "1/2-1/2"]
[PlyCount "18"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. exd5 exd5 6. Bb5 Be7 7. Ne5 Bd7 8.
O-O O-O 9. Bg5 h6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Keene, Raymond"]
[Black "Kovacevic, Vladimir"]
[Result "1-0"]
[PlyCount "49"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. g3 Bxf3 5. exf3 Ngf6 6. f4 e6 7. Bg2 Be7 8.
O-O O-O 9. d3 a5 10. a4 c6 11. Nd2 b5 12. Qe2 bxa4 13. Rxa4 Nb6 14. Ra2 a4 15.
Rfa1 axb3 16. Rxa8 Nxa8 17. Nxb3 Nb6 18. f5 exf5 19. Nd4 Qd7 20. Bh3 g6 21.
Bxf5 gxf5 22. Ra7 Qxa7 23. Nxc6 Qd7 24. Nxe7+ Kg7 25. Qh5 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Romanishin, Oleg M"]
[Black "Bellin, Robert"]
[Result "1/2-1/2"]
[PlyCount "55"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O e6 6. Nc3 Nge7 7. b3 O-O 8. Bb2
d6 9. a3 Rb8 10. Rb1 b6 11. e3 d5 12. cxd5 exd5 13. d4 cxd4 14. Nxd4 Nxd4 15.
exd4 Bf5 16. Rc1 Bh6 17. Ra1 Qd7 18. Re1 Rfe8 19. Bc1 Bg7 20. Bf4 Rbc8 21. Rc1
Be6 22. Qd3 Nc6 23. Nb5 Bf8 24. b4 Bf5 25. Qf1 Rxe1 26. Qxe1 Bd3 27. Nc3 Bc4
28. Qd2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Scholl, Eddy"]
[Black "Hartoch, Rob"]
[Result "1/2-1/2"]
[PlyCount "39"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3
Be7 9. Be2 O-O 10. O-O Rb8 11. Bf4 b6 12. Rc1 Ne5 13. Kh1 Qc7 14. f3 Bd7 15.
Qd2 Rfd8 16. Rfd1 Qb7 17. Qe1 Bc6 18. Qf1 Ng6 19. Be3 Nh5 20. Nc2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1973.??.??"]
[Round "11"]
[White "Torre, Eugenio"]
[Black "Van den Berg, Ad"]
[Result "1/2-1/2"]
[PlyCount "34"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. c3 d5 8. e5 Ne8
9. d4 Bg4 10. Be3 cxd4 11. cxd4 Qd7 12. Nc3 f6 13. exf6 Bxf6 14. Qd2 Bxf3 15.
Bxf3 e6 16. Bg4 Ng7 17. Ne2 Nf5 1/2-1/2

