[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.26"]
[Round "13"]
[White "Gilden, Lawrence C"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "84"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 a6 6. a4 Qc7 7. d4 e6 8. Be3 Be7 9. Nc4 Nbd7 10. d5 exd5 11. Nxd5 Nxd5 12. Qxd5 0-0 13. Bd3 Nf6 14. Qf3 Bg4 15. Qg3 Qxg3 16. hxg3 h6 17. f3 Be6 18. Nb6 Rad8 19. Kf2 Nd5 20. Nxd5 Bxd5 21. g4 Rde8 22. Rad1 Bc6 23. b3 b5 24. axb5 axb5 25. Ra1 Ra8 26. Rxa8 Rxa8 27. Rh5 Bd6 28. g5 hxg5 29. Rxg5 Be7 30. Re5 Bd6 31. Rh5 g6 32. Rg5 Be7 33. Rg4 Kg7 34. Be4 Rc8 35. Bxc6 Rxc6 36. Re4 Kf8 37. c4 b4 38. Re5 f6 39. Rd5 Kf7 40. Rd7 Ke6 41. Ra7 f5 42. Ke2 Bf6 1/2-1/2

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.23"]
[Round "12"]
[White "Byrne, Donald"]
[Black "Kane, George Francis"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "78"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. c4 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. d3 e6 6. Bd2 Nge7 7. a3 d5 8. cxd5 exd5 9. Nh3 d4 10. Ne4 h6 11. Nf4 b6 12. b4 cxb4 13. axb4 b5 14. 0-0 0-0 15. Qb3 Rb8 16. Rfc1 Rb6 17. h4 Bb7 18. Ra2 Ba8 19. h5 g5 20. Ng6 Re8 21. f4 g4 22. Rc5 Qd7 23. Rac2 Nc8 24. Nh4 N8e7 25. f5 Ne5 26. Rc7 Qd8 27. f6 Bxf6 28. Rxa7 Bxh4 29. gxh4 Bd5 30. Qa3 N7c6 31. Ra6 Rxa6 32. Qxa6 Qxh4 33. Nf6+ Qxf6 34. Bxd5 g3 35. Be1 Qh4 36. e4 Nf3+ 37. Kf1 Nce5 38. Bxg3 Qh1+ 39. Ke2 Ng1+ 0-1

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.22"]
[Round "11"]
[White "Karklins, Andrew"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "71"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. 0-0 Bc5 8. Nb3 Ba7 9. Bg5 d6 10. Bxf6 gxf6 11. Qf3 Nd7 12. Rad1 h5 13. Be2 Ke7 14. Nd4 Qc5 15. Kh1 Ne5 16. Qh3 Bd7 17. f4 Nc6 18. Nb3 Qb6 19. Qh4 Bb8 20. f5 Rf8 21. fxe6 fxe6 22. Rxf6 Rxf6 23. Rf1 Kd8 24. Qxf6+ Kc7 25. Bc4 Nd8 26. e5 Ba7 27. exd6+ Kc8 28. Ne4 Qe3 29. Bd3 b5 30. Qc3+ Bc6 31. Na5 Bd4 32. Qe1 Qxe1 33. Rxe1 Bxb2 34. Nxc6 Nxc6 35. Nc5 e5 36. Be4 1-0

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.21"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "25"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 e5 2. c4 d6 3. Bg2 f5 4. Nc3 Nf6 5. d3 g6 6. Nf3 Bg7 7. 0-0 0-0 8. Bd2 c6 9. Rc1 Qe7 10. b4 a6 11. a4 Kh8 12. a5 Be6 13. c5 1/2-1/2

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.19"]
[Round "9"]
[White "Evans, Larry Melvyn"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "92"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. f4 Nc6 10. Nxc6 bxc6 11. e5 Ne8 12. Ne4 d6 13. exd6 Nxd6 14. Nxd6 Bxd6 15. Be3 Bb7 16. c4 Qe7 17. Qf3 Bc5 18. Qf2 Bxe3 19. Qxe3 c5 20. Bxb7 Qxb7 21. b3 Qc6 22. f5 exf5 23. Rxf5 Rac8 24. Rd1 g6 25. Rfd5 Rfe8 26. Qf2 Re6 27. Rd7 Rf6 28. Qe3 Re6 29. Qf4 Rf6 30. R1d6 Rxf4 31. Rxc6 Rxc6 32. gxf4 Rf6 33. Rd5 Rxf4 34. Rxc5 Rd4 35. Ra5 Rd6 36. c5 Rc6 37. Kf2 f5 38. Ke3 Kf7 39. b4 Ke7 40. a4 g5 41. Kd4 f4 42. b5 f3 43. bxc6 f2 44. c7 f1Q 45. c8Q Qf4+ 46. Kd5 Qf3+ 1/2-1/2

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.18"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Grefe, John Alan"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "66"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 e5 4. Nc3 d6 5. e3 Nc6 6. Nge2 Nge7 7. d3 0-0 8. 0-0 Bf5 9. Nd5 Nxd5 10. cxd5 Ne7 11. d4 Qd7 12. dxe5 Bxe5 13. Re1 Bh3 14. Bh1 c5 15. Nf4 g5 16. Nxh3 Qxh3 17. Bg2 Qf5 18. f4 gxf4 19. gxf4 Bg7 20. e4 Qd7 21. a4 f5 22. e5 Ng6 23. e6 Qe7 24. Ra3 Bd4+ 25. Kh1 Rae8 26. Qh5 Qf6 27. Rh3 Re7 28. b3 Rg7 29. Rf1 Kh8 30. Rff3 Rfg8 31. Qg5 Qf8 32. Be3 Ne5 33. Bxd4 cxd4 0-1

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.17"]
[Round "7"]
[White "Kavalek, Lubomir"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "199"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 Nc6 8. Be3 Nxd4 9. Bxd4 Bd6 10. Bd3 b6 11. Qe2 Be5 12. Bxe5 Qxe5 13. 0-0 g5 14. Na4 Rb8 15. b4 Rg8 16. c5 b5 17. Nb6 Bb7 18. a4 Bc6 19. axb5 axb5 20. Ra5 Qd4 21. Bxb5 Qxb4 22. Rfa1 Bxb5 23. Rxb5 Qxe4 24. Nd5 Qxd5 25. Rxb8+ Ke7 26. Rxg8 Nxg8 27. Qb5 Nf6 28. Qb4 Qe4 29. Qa3 Qc6 30. f3 Nd5 31. Rc1 h5 32. g3 g4 33. fxg4 hxg4 34. Qd3 f5 35. Qd4 Nf6 36. Rd1 Qd5 37. Qxd5 Nxd5 38. Kf2 Kd8 39. Ra1 Kc7 40. Ra6 Nf6 41. Ke3 Ne4 42. Kd4 Nd2 43. Ra2 Nf3+ 44. Kc4 Kc6 45. Re2 Ng5 46. Kb4 Nf3 47. Ra2 Ne5 48. Ra6+ Kb7 49. Kb5 Nc6 50. Ra2 Nd4+ 51. Kc4 Nc6 52. Rf2 Ne5+ 53. Kb5 Kc7 54. Ra2 Nc6 55. Ra4 Kb7 56. Ra3 Ne5 57. Re3 Nc6 58. Kc4 Na5+ 59. Kb4 Nc6+ 60. Kc3 Kc7 61. Re2 Kc8 62. Kd3 Kc7 63. Re1 Nb4+ 64. Kc4 Nc6 65. Kc3 Kc8 66. Kd3 Nb4+ 67. Kd2 Kc7 68. Ra1 Nc6 69. Ke3 Ne5 70. Rd1 Nc4+ 71. Kd4 Na5 72. Rd3 Nc6+ 73. Ke3 Ne5 74. Rd1 Nc4+ 75. Kd4 Na5 76. Kc3 Nc6 77. Re1 Kc8 78. Kd2 Kc7 79. Re3 Kc8 80. Rc3 Kc7 81. Ke3 Nb4 82. Rc4 Nc6 83. Kf4 Na5 84. Rc3 Nc6 85. Rb3 Na5 86. Rb5 Nb7 87. Ke5 Kc6 88. Rb6+ Kc7 89. Rxb7+ Kxb7 90. Kd6 Kc8 91. c6 dxc6 92. Kxe6 Kc7 93. Kxf5 Kb6 94. Kxg4 Kb5 95. Kf3 Kb4 96. Ke2 Ka3 97. h4 c5 98. h5 c4 99. h6 c3 100. h7 1-0

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.15"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "143"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 c5 2. c4 g6 3. Nc3 Bg7 4. Bg2 Nc6 5. d3 d6 6. Bd2 e5 7. a3 Nge7 8. Rb1 a5 9. e3 0-0 10. Nge2 Be6 11. Nd5 Rb8 12. Nec3 Bd7 13. 0-0 Nxd5 14. Nxd5 b5 15. b4 axb4 16. axb4 Nxb4 17. Nxb4 cxb4 18. Bxb4 Bf5 19. cxb5 Rxb5 20. Qa4 Rb8 21. Qa3 Qb6 22. h3 Rfc8 23. Bxd6 Qxb1 24. Rxb1 Rxb1+ 25. Kh2 h5 26. Bc5 Be6 27. d4 exd4 28. exd4 Rd1 29. Bb7 Rd8 30. Qa5 Bf6 31. Bf3 Rb1 32. Kg2 Kh7 33. g4 hxg4 34. hxg4 Rb2 35. Kg3 Bxd4 36. Qxd8 Bxc5 37. Qh4+ Kg7 38. Qg5 Bxf2+ 39. Kh3 Bd4 40. Qf4 Bf6 41. Qe4 Kh7 42. Qf4 Bd8 43. Qd4 Rb3 44. Kg2 Bb6 45. Qe5 Ba7 46. Qh2+ Kg8 47. Qe5 Bb8 48. Qd4 Kh7 49. Kf2 Ra3 50. Qe4 Kh6 51. Qb4 Ra2+ 52. Kf1 Ba7 53. Qf4+ Kh7 54. Qe4 Bc5 55. Be2 Rb2 56. Bf3 Bb6 57. Be2 Rb3 58. Bf3 Ra3 59. Qb7 Kh6 60. Bd5 Ra1+ 61. Kg2 Rg1+ 62. Kh2 Bxd5 63. Qxd5 Rxg4 64. Qxf7 Bd4 65. Qf8+ Kh5 66. Qf3 Kh4 67. Qh3+ Kg5 68. Qd3 Be5+ 69. Kh3 Rh4+ 70. Kg2 Rh2+ 71. Kg1 Bf4 72. Qd8+ 1/2-1/2

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.13"]
[Round "4"]
[White "Browne, Walter Shawn"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "83"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 a5 10. a4 Bd7 11. Bb3 Qc8 12. Ndb5 Ne5 13. Qe2 Be6 14. Nd5 Bxd5 15. exd5 Ned7 16. 0-0-0 Re8 17. Rd3 b6 18. Kb1 Nc5 19. Bxc5 bxc5 20. Re3 Bf8 21. g4 Qb7 22. g5 c4 23. Bxc4 Nxd5 24. Bxd5 Qxd5 25. Nc7 Qxg5 26. Nxe8 Rxe8 27. Rb3 Bg7 28. Rb5 Qf4 29. Rxa5 Bf6 30. Qe4 Qd2 31. Ra8 Rxa8 32. Qxa8+ Kg7 33. Qe4 e6 34. Qd3 Qf4 35. a5 Bd4 36. c3 Ba7 37. b4 d5 38. Kb2 h5 39. b5 Qa4 40. b6 Qxa5 41. bxa7 Qb6+ 42. Kc2 1-0

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.11"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Martz, William E"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "81"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bg4 4. b3 Nd7 5. Bb2 Ngf6 6. 0-0 e6 7. d3 Bd6 8. c4 0-0 9. Nc3 Qe7 10. h3 Bxf3 11. Bxf3 Ba3 12. Qc1 Bxb2 13. Qxb2 d4 14. Nb1 e5 15. b4 c5 16. bxc5 Nxc5 17. Nd2 Rad8 18. Qa3 b6 19. Nb3 Rc8 20. Bg2 Rc7 21. Rab1 Rd8 22. Nxc5 Rxc5 23. Rb5 Rdc8 24. Rfb1 Kf8 25. Qa6 R8c7 26. Rxc5 Rxc5 27. Rb5 Rxb5 28. cxb5 Qc7 29. Bb7 Qb8 30. Qa3+ Kg8 31. Qe7 Qe8 32. Qc7 Qxb5 33. Bc6 Qb1+ 34. Kg2 h6 35. Qxa7 Qc2 36. Bb5 Qc5 37. Bc4 Qc6+ 38. Kh2 Nd7 39. a4 Qf6 40. f4 Nf8 41. Qb8 1/2-1/2

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.10"]
[Round "2"]
[White "Mednis, Edmar John"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B39"]
[PlyCount "81"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 Qa5 11. Bd3 d6 12. 0-0 0-0 13. Bb1 Bd7 14. f4 Nc5 15. Nd5 Qd8 16. e5 Bc6 17. Nc3 a5 18. Rf2 Qb8 19. exd6 exd6 20. Bd4 Qd8 21. Bxg7 Kxg7 22. f5 Qg5 23. Qd4+ Kg8 24. Rcf1 Rad8 25. Nd5 Bxd5 26. Qxd5 Qe3 27. fxg6 hxg6 28. Bxg6 Kg7 29. Bc2 f5 30. Qf3 Qxf3 31. Rxf3 Rde8 32. Bxf5 Re2 33. R3f2 Rxf2 34. Rxf2 Re8 35. g4 Re1+ 36. Kg2 Na4 37. h4 Ra1 38. g5 Rxa2 39. h5 Rxb2 40. h6+ Kh8 41. Rxb2 1-0

[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.09.09"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "44"]
[EventDate "1973.09.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Nc3 Bb4 4. Bg2 0-0 5. Qc2 Nc6 6. Nf3 Re8 7. 0-0 e4 8. Ng5 Nd4 9. Qd1 Bxc3 10. bxc3 Nc6 11. f3 exf3 12. Nxf3 Qe7 13. e3 d6 14. Nd4 Ne5 15. d3 c6 16. e4 h6 17. h3 d5 18. exd5 cxd5 19. cxd5 Qc5 20. Rb1 Bd7 21. Qb3 Nxd3 22. Ba3 Qc8 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.10"]
[Round "15"]
[White "Byrne, Donald"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "40"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 c5 2. c4 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 Nf6 6. Rb1 0-0 7. a3 a5 8. Bd2 e6 9. Nh3 b6 10. 0-0 Bb7 11. Nf4 Qb8 12. Na4 Ra6 13. b4 axb4 14. axb4 Qa8 15. b5 Rxa4 16. bxc6 Bxc6 17. Bxc6 Qxc6 18. Rxb6 Qxb6 19. Qxa4 Qb2 20. Qa5 d6 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.08"]
[Round "14"]
[White "Suttles, Duncan"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "118"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. d3 c5 4. c4 Nc6 5. Nc3 e6 6. Bd2 Nge7 7. Qc1 h6 8. h4 b6 9. Nh3 Bb7 10. 0-0 d6 11. a3 Qd7 12. b4 Nd4 13. Rb1 Bxg2 14. Kxg2 Rc8 15. bxc5 dxc5 16. Ng1 Nef5 17. Rd1 f6 18. a4 g5 19. hxg5 hxg5 20. a5 Qc6+ 21. e4 Nd6 22. axb6 axb6 23. f3 0-0 24. Be3 Nf7 25. g4 Rfd8 26. Qb2 Ne5 27. Rd2 Rb8 28. Bf2 Rb7 29. Bg3 Ng6 30. Qc1 Bf8 31. Nb5 Nxb5 32. cxb5 Qe8 33. Qc3 Qf7 34. Nh3 Bd6 35. Bxd6 Rxd6 36. Rh1 Rd4 37. Ra2 Ra7 38. Ra6 Qd7 39. Rha1 Rb7 40. Ra8+ Kf7 41. Nf2 Nf4+ 42. Kf1 Qxb5 43. Rh8 Kg6 44. Qa3 Rb4 45. Kg1 Rb1+ 46. Kh2 Qb2 47. Qxb2 Rxb2 48. Kg1 e5 49. Kf1 b5 50. Rg8+ Rg7 51. Rb8 b4 52. Nd1 Re2 53. Raa8 Rh7 54. Rg8+ Rg7 55. Rgb8 Rh7 56. Rg8+ Kf7 57. Rgf8+ Ke6 58. Rfe8+ Kf7 59. Rf8+ Ke6 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.05"]
[Round "13"]
[White "Byrne, Donald"]
[Black "Campos Lopez, Mario"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "61"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e5 6. e3 Nge7 7. Nge2 0-0 8. 0-0 Rb8 9. b3 d6 10. Bb2 a6 11. Qd2 Bh6 12. Rad1 Nd4 13. f4 Nxe2+ 14. Qxe2 Be6 15. Ne4 f5 16. Ng5 Bc8 17. Nf3 exf4 18. exf4 Re8 19. d4 Nc6 20. Qd2 Bg7 21. dxc5 dxc5 22. Qf2 Qa5 23. Bxg7 Kxg7 24. Qb2+ Nd4 25. Nxd4 cxd4 26. Rxd4 Kh6 27. Rd5 Qb6+ 28. c5 Qc7 29. h3 Bd7 30. Qf6 Re6 31. Qf7 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.04"]
[Round "12"]
[White "Larsen, Bent"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "79"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8. Be2 0-0 9. 0-0 c5 10. Qc2 Qc7 11. d3 b6 12. a4 Bb7 13. Nd2 Bc6 14. Bb2 e6 15. d4 a6 16. Bf3 Bb7 17. d5 exd5 18. exd5 Ne5 19. c4 b5 20. Be2 Nxc4 21. Nxc4 bxc4 22. Bxg7 Kxg7 23. d6 Qd7 24. Rfd1 Rfe8 25. Bxc4 Kg8 26. Qc3 Rad8 27. Qf6 Bxg2 28. Ra3 Ba8 29. Rg3 Rf8 30. Rxg6+ hxg6 31. Qxg6+ Kh8 32. Qh6+ Kg8 33. Rd3 Qg4+ 34. Rg3 Qxg3+ 35. fxg3 Be4 36. Qg5+ Kh7 37. Qh4+ Kg7 38. Qxe4 Rxd6 39. Qe5+ Rf6 40. g4 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.03"]
[Round "11"]
[White "Byrne, Donald"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "56"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. 0-0 Rb8 8. Nd2 Nf6 9. c4 0-0 10. Qa4 Qb6 11. Nb3 c5 12. Nd2 Bb7 13. Bxb7 Rxb7 14. Qc2 Qe6 15. Re1 Qh3 16. Rb1 Ng4 17. Nf1 Rb6 18. f3 Nxh2 19. Nxh2 Qxg3+ 20. Kf1 Qxh2 21. Qe4 Bf6 22. Qg4 Bh4 23. Be3 f5 24. Qg1 Qh3+ 25. Qg2 Qxg2+ 26. Kxg2 Bxe1 27. Rxe1 Rxb2 28. Bxc5 Rxa2 0-1

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.01"]
[Round "10"]
[White "Saidy, Anthony Fred"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "D90"]
[PlyCount "144"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Nc6 6. Bf4 0-0 7. e3 dxc4 8. Bxc4 Nh5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nxg3 12. hxg3 Bf5 13. d5 Nb8 14. Qb3 Nd7 15. Nd4 Bg6 16. Qxb7 Ne5 17. Qa6 Qb8 18. Bb5 Rd8 19. 0-0 Rd6 20. Qa3 g4 21. Rfd1 a6 22. Be2 h5 23. Rac1 Bf6 24. Nb3 Kg7 25. Nc5 Qh8 26. N5e4 h4 27. Nxd6 cxd6 28. Rd4 Qh6 29. gxh4 Nf3+ 30. Bxf3 Bxd4 31. Bxg4 Bxe3 32. Rf1 Bc5 33. Qa4 Qxh4 34. Bh3 Qg5 35. Ne4 Qxd5 36. Nxc5 Qxc5 37. b4 Qd4 38. Rd1 Qe5 39. Qc6 Be4 40. Qb6 Rh8 41. Qe3 Bc6 42. Qxe5+ dxe5 43. Rc1 Bb5 44. Rc7 Rh4 45. a3 Kf6 46. Bc8 Rd4 47. Ra7 Rd1+ 48. Kh2 Ra1 49. Bd7 Bxd7 50. Rxd7 Rxa3 51. Rb7 e4 52. b5 axb5 53. Rxb5 e5 54. Rb1 Kg5 55. Rb6 Ra2 56. Kg1 Ra1+ 57. Kh2 Rf1 58. Rb2 Kf4 59. Re2 f5 60. Ra2 e3 61. fxe3+ Kxe3 62. Ra3+ Kf4 63. Rb3 e4 64. Ra3 Rd1 65. Ra4 Rd2 66. Kg1 Kg3 67. Ra3+ Rd3 68. Ra1 f4 69. Kf1 Rd2 70. Ra8 Rf2+ 71. Kg1 Rxg2+ 72. Kh1 Rd2 0-1

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.30"]
[Round "9"]
[White "Byrne, Donald"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "39"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c5 3. Bg2 Nf6 4. 0-0 Nc6 5. d4 e6 6. c4 cxd4 7. Nxd4 Be7 8. cxd5 exd5 9. Nc3 0-0 10. b3 Bg4 11. h3 Be6 12. Bb2 Qd7 13. Kh2 Rfd8 14. Rc1 Rac8 15. Qd3 Nxd4 16. Qxd4 Bc5 17. Qf4 Bd6 18. Qd4 Bc5 19. Qf4 Bd6 20. Qd4 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.29"]
[Round "8"]
[White "Keres, Paul"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "65"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 c5 9. 0-0 cxd4 10. exd4 Nc6 11. d5 Na5 12. Bg5 h6 13. Be3 Bg4 14. h3 Bxf3 15. Qxf3 Nbc4 16. Bc1 Nxb3 17. axb3 Nd6 18. Re1 Re8 19. Be3 b6 20. Bf4 Qd7 21. Ra4 Rac8 22. g4 a5 23. Be5 Rc5 24. Rf4 Bxe5 25. Rxe5 b5 26. Qe3 Qc7 27. Rf3 b4 28. Ne2 a4 29. Qxh6 a3 30. bxa3 bxa3 31. Rg5 a2 32. Rxf7 a1Q+ 33. Kg2 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.27"]
[Round "7"]
[White "Byrne, Donald"]
[Black "Kaplan, Julio P"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "40"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 Nf6 4. Nc3 0-0 5. e4 c5 6. Nge2 Nc6 7. d3 d6 8. 0-0 Rb8 9. h3 a6 10. a4 Ne8 11. Be3 Nc7 12. d4 cxd4 13. Nxd4 Nxd4 14. Bxd4 Ne6 15. Bxg7 Kxg7 16. Nd5 a5 17. f4 Nc5 18. Kh2 Bd7 19. b3 Bc6 20. Rb1 Kg8 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.26"]
[Round "6"]
[White "Karpov, Anatoly"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "81"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 a5 10. a4 Nxd4 11. Bxd4 Be6 12. Bb5 Rc8 13. 0-0-0 Nd7 14. Bxg7 Kxg7 15. f4 Nf6 16. Rhe1 Qc7 17. Qd4 Rfd8 18. Rd2 d5 19. exd5 Bxd5 20. Qe5 e6 21. Red1 b6 22. Ba6 h5 23. Bxc8 Rxc8 24. h3 Qxe5 25. fxe5 Ne4 26. Nxe4 Bxe4 27. Re2 Bd5 28. Rd4 Rc5 29. h4 f5 30. exf6+ Kxf6 31. Rf4+ Kg7 32. Re5 Rc7 33. g3 Rc6 34. Kd2 Rc7 35. b3 Rd7 36. Ke3 Re7 37. g4 hxg4 38. Rxg4 Kf6 39. Reg5 Rh7 40. Rxg6+ Ke5 41. R6g5+ 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.24"]
[Round "5"]
[White "Byrne, Donald"]
[Black "Evans, Larry Melvyn"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "65"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e6 6. Bd2 Nge7 7. a3 d5 8. cxd5 exd5 9. Nh3 0-0 10. Nf4 Rb8 11. 0-0 d4 12. Ne4 b6 13. b4 cxb4 14. axb4 a6 15. b5 axb5 16. Qb3 h6 17. Rfb1 Kh7 18. Be1 f5 19. Nd2 b4 20. Ne6 Bxe6 21. Qxe6 Rf6 22. Qb3 Bf8 23. Nf1 Nc8 24. Bxc6 Rxc6 25. Bxb4 Bg7 26. Rc1 Na7 27. Qf7 Rxc1 28. Rxc1 Nb5 29. Rc6 Qg5 30. Nd2 Ra8 31. Nf3 Qh5 32. Rxb6 Nc3 33. Nxd4 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.23"]
[Round "4"]
[White "Smith, Kenneth Ray"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "68"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nge7 8. Bg5 a6 9. Qe2 h6 10. Bh4 Qa5 11. Bg3 Ng6 12. Qd2 Nge5 13. Nxe5 dxe5 14. a3 Be7 15. b4 Qd8 16. Qa2 b5 17. Bb3 0-0 18. Qb2 Bb7 19. Ne2 Bf6 20. f3 Qc7 21. Rac1 Rfd8 22. Kh1 Rd3 23. Nd4 Qd7 24. Nxc6 Bxc6 25. Rc5 Be7 26. Rcc1 Bg5 27. Rcd1 Rd8 28. h4 Bf6 29. Bxe5 Bxe5 30. Qxe5 Qe7 31. Qb2 Qxh4+ 32. Kg1 Qg5 33. Qc2 Rd2 34. Rxd2 Rxd2 0-1

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.21"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "64"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Nc3 Bb4 4. Bg2 0-0 5. e4 Nc6 6. Nge2 Bc5 7. 0-0 d6 8. d3 a6 9. h3 Rb8 10. a3 b5 11. b4 Ba7 12. Nd5 Nxd5 13. cxd5 Ne7 14. d4 f5 15. dxe5 dxe5 16. Qb3 Kh8 17. Be3 Bxe3 18. fxe3 fxe4 19. Nc3 Bb7 20. Rxf8+ Qxf8 21. Bxe4 Ng8 22. Bg2 Nf6 23. e4 Qd6 24. Kh2 h6 25. Qb2 Rf8 26. Qe2 Qb6 27. Rf1 Bc8 28. Rf3 Bd7 29. Nd1 Re8 30. Nf2 a5 31. Qb2 axb4 32. axb4 Qd6 1/2-1/2

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.20"]
[Round "2"]
[White "Gligoric, Svetozar"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "77"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bh4 c5 7. e3 cxd4 8. exd4 Nc6 9. cxd5 Nxc3 10. bxc3 Qxd5 11. Be2 e5 12. dxe5 Qa5 13. 0-0 0-0 14. Qb3 Nxe5 15. Nd4 Bg4 16. Bxg4 Nxg4 17. Qxb7 Qxc3 18. Nc6 Qc4 19. Rac1 Qa4 20. Bg3 Nf6 21. Nb8 Qe4 22. Rc6 Raxb8 23. Bxb8 Ng4 24. Bg3 Bd4 25. Rc7 Qe2 26. Qf3 Qe6 27. Rc6 Ne5 28. Bxe5 Qxe5 29. g3 h5 30. Rfc1 Kg7 31. Rc8 Rxc8 32. Rxc8 Qe1+ 33. Kg2 Qa5 34. Qe4 Bf6 35. Qc4 Qb6 36. Rc7 Qb2 37. Qxf7+ Kh6 38. Rc6 Kg5 39. h4+ 1-0

[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.19"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "44"]
[EventDate "1972.11.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bg4 4. b3 Nd7 5. Bb2 e6 6. 0-0 Ngf6 7. d3 Be7 8. c4 0-0 9. Nc3 a6 10. Rc1 Re8 11. Rc2 Bf8 12. Qa1 e5 13. cxd5 cxd5 14. Rfc1 e4 15. dxe4 dxe4 16. Nd4 Nb6 17. h3 Bd7 18. e3 Qe7 19. Nde2 Bc6 20. Nd4 Bd7 21. Nde2 Bc6 22. Nd4 Bd7 1/2-1/2

[Event "Novi Sad"]
[Site "Novi Sad"]
[Date "1972.??.??"]
[Round "?"]
[White "Byrne, Donald"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "83"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 c5 2. c4 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Nf3 e5 7. 0-0 Nge7 8. Rb1 0-0 9. a3 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Nc4 Rb8 15. f4 Nd5 16. fxe5 Nxe5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Nxe5 Bxe5 20. Bf4 Rfe8 21. Rf2 Rbc8 22. Bxe5 Rxe5 23. Qd2 c4 24. Rc1 Rd8 25. Rc3 Qe6 26. Qc2 cxd3 27. Rxd3 Re8 28. Qd2 Rc5 29. Rd8 h5 30. Rxe8+ Qxe8 31. Rf4 Re5 32. Kf2 Qe6 33. Qd8+ Kh7 34. Qd3 Qb6+ 35. Qd4 Qxd4+ 36. Rxd4 Rb5 37. b4 axb4 38. axb4 Kg7 39. Ke3 Kf6 40. Kd3 Ke6 41. Re4+ Kd6 42. Rf4 1/2-1/2

[Event "Novi Sad"]
[Site "Novi Sad"]
[Date "1972.??.??"]
[Round "?"]
[White "Byrne, Donald"]
[Black "Lengyel, Levente"]
[Result "0-1"]
[ECO "A12"]
[PlyCount "68"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bg4 4. b3 e6 5. Bb2 Nf6 6. 0-0 Be7 7. d3 0-0 8. c4 Nbd7 9. Nc3 Bd6 10. Qd2 Bxf3 11. Bxf3 d4 12. Ne4 Nxe4 13. Bxe4 Qb6 14. Rab1 a5 15. Qg5 Nf6 16. Bg2 e5 17. Bc1 Nd7 18. Qf5 Nc5 19. a3 Qc7 20. h4 g6 21. Qh3 Ne6 22. h5 Qe7 23. hxg6 hxg6 24. Ra1 f5 25. Bf3 Rf7 26. Qh6 Qf6 27. Kg2 Rh7 28. Qd2 Nc5 29. Rb1 e4 30. dxe4 fxe4 31. Bg4 Qh8 32. Rg1 Rh2+ 33. Kf1 Rxf2+ 34. Ke1 Qh2 0-1

[Event "Novi Sad"]
[Site "Novi Sad"]
[Date "1972.??.??"]
[Round "?"]
[White "Minev, Nikolay Nikolaev"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "101"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 Nc6 7. Rc1 Bg4 8. cxd5 Nxd5 9. h3 Nxc3 10. bxc3 Bf5 11. Be2 e5 12. 0-0 a6 13. Qb3 Rb8 14. Rfd1 e4 15. Nh2 Re8 16. c4 h5 17. Kh1 Ne7 18. Bc3 c6 19. Qc2 b5 20. Rb1 Bd7 21. a4 Qc7 22. Bb4 bxa4 23. Bc5 Nf5 24. Qxa4 a5 25. Nf1 Bf6 26. Kg1 Bh4 27. Qc2 Ra8 28. Bb6 Qd6 29. Ra1 Qf6 30. g3 Bg5 31. Rxa5 Rxa5 32. Bxa5 h4 33. g4 Ng7 34. Bc3 Qe7 35. Rb1 Bc8 36. d5 cxd5 37. cxd5 Bf6 38. Bxf6 Qxf6 39. Rb8 Bd7 40. Rxe8+ Nxe8 41. Qxe4 Qd6 42. Qd4 g5 43. Nd2 f5 44. gxf5 Bxf5 45. Bg4 Bxg4 46. Qxg4 Qxd5 47. Nf3 Kf8 48. Nxg5 Nd6 49. Qxh4 Qd1+ 50. Kh2 Qe2 51. Qh6+ 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.23"]
[Round "15"]
[White "Barcza, Gedeon"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D77"]
[PlyCount "103"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8 11. e3 a5 12. Rc1 Rd8 13. Qe2 a4 14. Nfd2 Bxg2 15. Kxg2 Qe6 16. Nf3 Ne4 17. Rfd1 Qd5 18. Kg1 Qh5 19. Kg2 Qd5 20. Kg1 Qh5 21. Kg2 axb3 22. axb3 Qd5 23. Kg1 Qh5 24. Ra1 Ng5 25. Kg2 Rxa1 26. Bxa1 Ra8 27. Ng1 Qxe2 28. Nxe2 Ne4 29. Bb2 Nb4 30. Nc3 Nxc3 31. Bxc3 Nd5 32. Be1 f5 33. Kf3 Ra2 34. e4 fxe4+ 35. Kxe4 e6 36. Ne3 Re2 37. Kd3 Nxe3 38. fxe3 Rxh2 39. Ra1 Rb2 40. Kc3 Re2 41. Kd3 Rb2 42. Kc3 Rg2 43. Ra8+ Bf8 44. Rc8 h5 45. Kd3 Rb2 46. b4 c6 47. e4 g5 48. Rb8 Rb1 49. Ke2 Rb2+ 50. Kd3 Rb1 51. Ke2 Rb2+ 52. Kd3 1/2-1/2

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.22"]
[Round "14"]
[White "Byrne, Donald"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "23"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 d6 6. e4 Nf6 7. Nge2 0-0 8. 0-0 Rb8 9. h3 a6 10. a4 Ne8 11. Be3 Nd4 12. Rb1 1/2-1/2

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.21"]
[Round "13"]
[White "Janosevic, Dragoljub"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B35"]
[PlyCount "64"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. 0-0 d6 10. h3 Bd7 11. f4 Rac8 12. Qd3 Nxd4 13. Bxd4 Bc6 14. Rae1 Nd7 15. Bxg7 Kxg7 16. Rf2 Qc5 17. Qg3 b5 18. e5 dxe5 19. fxe5 Nb6 20. Ne4 Bxe4 21. Rxe4 Rcd8 22. Kh2 Nc4 23. c3 Rd5 24. Bxc4 bxc4 25. Qf4 Qa5 26. Rxc4 Rxe5 27. b4 g5 28. Qd4 Qd5 29. Rc7 Qxd4 30. cxd4 Rd5 31. a3 a5 32. Rc5 Rfd8 1/2-1/2

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.19"]
[Round "12"]
[White "Byrne, Donald"]
[Black "Tesic, R."]
[Result "1-0"]
[ECO "A36"]
[PlyCount "80"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 c5 4. Nc3 Nc6 5. e4 d6 6. d3 Bg7 7. Nge2 0-0 8. 0-0 Bd7 9. h3 h6 10. Be3 Kh7 11. d4 cxd4 12. Nxd4 Qc8 13. Nxc6 Bxc6 14. Qe2 b6 15. Nd5 Qb7 16. Rfd1 Rfd8 17. Bd4 Nh5 18. Nb4 Rac8 19. Rac1 e5 20. Nxc6 Qxc6 21. Be3 Nf6 22. f3 Nh5 23. Kh2 f5 24. exf5 gxf5 25. Qd3 e4 26. fxe4 Be5 27. exf5 Qe8 28. Bf2 Qg8 29. Rg1 Qg5 30. Rce1 Nf6 31. b3 h5 32. Bd5 Rc7 33. Be3 Qh4 34. Bf4 Bxf4 35. gxf4 Ng4+ 36. Rxg4 hxg4 37. f6+ Kh8 38. f7 Qxe1 39. Qd4+ Kh7 40. Be4+ Qxe4 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.18"]
[Round "11"]
[White "Damjanovic, Mato"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "90"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. c4 d6 7. Nc3 Nh6 8. Be2 0-0 9. Nxc6 bxc6 10. Qd2 Ng4 11. Bxg4 Bxg4 12. Bd4 Bxd4 13. Qxd4 Qb6 14. Qd2 Be6 15. b3 f5 16. exf5 Bxf5 17. 0-0 Rad8 18. Rfe1 e5 19. Re3 Rd7 20. Rd1 Bg4 21. f3 Be6 22. Qf2 Qd8 23. Re2 g5 24. Qg3 h5 25. Ne4 g4 26. h4 Bf5 27. Ng5 Re8 28. Kh2 Qf6 29. fxg4 Bxg4 30. Rf2 Qg7 31. Rdf1 e4 32. Rf6 e3 33. Rxd6 e2 34. Re1 a5 35. c5 Rxd6 36. cxd6 Qd4 37. Nf3 Qd1 38. Ng1 Kh7 39. Nxe2 Qd2 40. d7 Qxd7 41. Nf4 Rxe1 42. Qxe1 Qf5 43. Qe7+ Kg8 44. Kg3 Qb5 45. Qf6 c5 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.17"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Baretic, Dragoljub"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "79"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Nge7 7. 0-0 0-0 8. Rb1 Be6 9. Nd5 Qd7 10. d3 Nf5 11. b4 Nh6 12. d4 Nd8 13. dxe5 dxe5 14. e4 f5 15. exf5 Nxf5 16. c5 c6 17. Ndc3 Nd4 18. Be3 Bg4 19. Rb2 Qf5 20. Bxd4 exd4 21. Ne4 d3 22. Qb3+ Kh8 23. N2c3 Ne6 24. f3 Bd4+ 25. Kh1 Bh3 26. Rd2 Rad8 27. Rxd3 Ng5 28. Qd1 Bxg2+ 29. Kxg2 Bf6 30. Nd6 Qh3+ 31. Kg1 Qd7 32. f4 Ne6 33. Nce4 Bg7 34. Qd2 Nc7 35. Nf7+ Rxf7 36. Rxd7 Rfxd7 37. Nd6 Nb5 38. Rd1 Kg8 39. Qe2 Nd4 40. Qc4+ 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.15"]
[Round "9"]
[White "Benko, Pal C"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "80"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c5 6. Bg2 Nc6 7. 0-0 Rb8 8. Nc3 a6 9. d4 d6 10. dxc5 dxc5 11. Na4 Nd7 12. Bxg7 Kxg7 13. Qd2 e6 14. Rfd1 Qe7 15. Ng5 Nd4 16. Ne4 b6 17. e3 Nf5 18. Rac1 f6 19. Nd6 Nxd6 20. Qxd6 Qxd6 21. Rxd6 Kf7 22. Rcd1 Ke7 23. Rc6 Rd8 24. Rc7 Rf8 25. Bc6 Rd8 26. f4 f5 27. Kf2 h6 28. Rd2 Ke8 29. e4 Ke7 30. e5 g5 31. h3 gxf4 32. gxf4 h5 33. Kg3 Rg8+ 34. Kh4 Kd8 35. Ra7 Rg7 36. Kxh5 Ke8 37. Kh6 Re7 38. Kg6 Kf8 39. Bxd7 Rg7+ 40. Kf6 Rf7+ 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.14"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Paoli, Enrico"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "109"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 Rb8 9. h3 a6 10. a4 e5 11. Be3 Nd4 12. Rb1 Bd7 13. b4 b6 14. f4 Bh6 15. Qd2 Qe7 16. b5 axb5 17. axb5 Ra8 18. f5 Bxe3+ 19. Qxe3 Ra3 20. g4 gxf5 21. exf5 Kh8 22. Ra1 Rxa1 23. Rxa1 Nc2 24. Qc1 Nxa1 25. Qxa1 Rg8 26. Qc1 Qf8 27. Kf2 Qg7 28. Bf3 Bc8 29. Na4 Nd7 30. Ng3 f6 31. Bd5 Rd8 32. Ne4 Qe7 33. Qh6 Rf8 34. Ke2 Qg7 35. Qxg7+ Kxg7 36. Nxd6 Rd8 37. Ke3 Kf8 38. Be6 Ke7 39. Nxc8+ Rxc8 40. Bxd7 Ra8 41. Nxb6 Rb8 42. Nd5+ Kxd7 43. Nxf6+ Kd6 44. Nxh7 Rh8 45. Ng5 Ke7 46. Ke4 Kf6 47. Nf3 Rxh3 48. g5+ Ke7 49. Nxe5 Kd6 50. Ng6 Rh1 51. f6 Ke6 52. Nf4+ Kf7 53. Kf5 Rf1 54. g6+ Kg8 55. b6 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.13"]
[Round "7"]
[White "Ciric, Dragoljub M"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B35"]
[PlyCount "34"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. 0-0 d6 10. h3 Bd7 11. f4 Rfc8 12. a3 Nxd4 13. Bxd4 Bc6 14. Qd3 Nd7 15. Bxg7 Kxg7 16. Kh2 Qc5 17. Rae1 b5 1/2-1/2

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.11"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Deze, Anton"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "79"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. e3 e5 7. Nge2 Nge7 8. a3 0-0 9. Rb1 a5 10. 0-0 Rb8 11. b3 Be6 12. Nd5 b5 13. Bb2 Qd7 14. Qd2 b4 15. Nxe7+ Nxe7 16. axb4 axb4 17. d4 Qc7 18. d5 Bd7 19. f4 exf4 20. Bxg7 Kxg7 21. gxf4 Nf5 22. e4 Nh6 23. f5 f6 24. Rf3 Nf7 25. Rg3 g5 26. h4 h6 27. Nf4 Ne5 28. Rf1 Kf7 29. hxg5 hxg5 30. Ne6 Bxe6 31. fxe6+ Kg7 32. Bh3 Qe7 33. Rf5 Rh8 34. Rxe5 fxe5 35. Rxg5+ Kf8 36. Bg4 Ke8 37. Bh5+ Kd8 38. Qg2 Rb7 39. Bf7 Ra7 40. Rg8+ 0-1

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.10"]
[Round "5"]
[White "Matanovic, Aleksandar"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "75"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 a5 10. Bb3 Nxd4 11. Bxd4 Bd7 12. a4 Be6 13. 0-0-0 Qd7 14. Kb1 Rfc8 15. h4 Bxb3 16. cxb3 Qe6 17. Ka2 h6 18. Nb5 d5 19. e5 Nd7 20. Rhe1 Qf5 21. Qe3 Nb8 22. Bc3 Nc6 23. Rxd5 Rd8 24. g4 Qc8 25. Rxd8+ Nxd8 26. h5 Ra6 27. hxg6 fxg6 28. Qd3 Kh7 29. f4 Nc6 30. f5 Nb4+ 31. Bxb4 axb4 32. Qe4 Qd7 33. Kb1 Rc6 34. Nd4 Rc5 35. Ne6 Ra5 36. Qxb4 Rd5 37. Ka2 Kh8 38. Nf4 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.09"]
[Round "4"]
[White "Byrne, Donald"]
[Black "Masic, Ljubomir"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "87"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 e6 5. Bg2 b5 6. 0-0 Be7 7. d3 0-0 8. Nbd2 Nbd7 9. Bb2 Qb6 10. Rc1 bxc4 11. dxc4 Bb7 12. Qc2 c5 13. cxd5 exd5 14. Nh4 Rfe8 15. Rfe1 Bf8 16. e4 d4 17. Nc4 Qa6 18. f3 Rad8 19. Qd2 g6 20. Bf1 Qe6 21. Ng2 Nh5 22. Rcd1 Qf6 23. Qf2 Bh6 24. b4 Bf8 25. Na5 Ba8 26. Nb3 Ne5 27. f4 Ng4 28. Qe2 Nxh2 29. Kxh2 Rxe4 30. Qd3 Rxe1 31. Rxe1 Bxg2 32. Bxg2 Nxf4 33. Qf3 Nh5 34. Qxf6 Nxf6 35. bxc5 Ng4+ 36. Kg1 d3 37. c6 d2 38. Rd1 Bh6 39. Ba3 Be3+ 40. Kf1 Nf2 41. c7 Re8 42. Be7 Ra8 43. Rxd2 Bxd2 44. Kxf2 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.07"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "29"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. b4 Bg7 4. Bb2 0-0 5. e3 d6 6. Na3 e5 7. fxe5 Ng4 8. Nc4 b5 9. Na5 a6 10. Be2 c5 11. a3 dxe5 12. 0-0 Qc7 13. g3 c4 14. Qe1 h5 15. Ng5 1/2-1/2

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.06"]
[Round "2"]
[White "Byrne, Donald"]
[Black "Csom, Istvan"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "75"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Nbd7 5. d3 Be7 6. 0-0 0-0 7. Nc3 c6 8. Qc2 Re8 9. b3 Bf8 10. Bb2 b6 11. Rfd1 Bb7 12. d4 Qc7 13. Rac1 Rac8 14. e4 dxc4 15. bxc4 e5 16. dxe5 Ng4 17. e6 Rxe6 18. Bh3 h5 19. Ne2 Rce8 20. Nf4 Rh6 21. Bg2 h4 22. Nd4 hxg3 23. hxg3 Rh7 24. Qe2 Ndf6 25. Nf5 Bc8 26. Qd3 g6 27. Nd6 Rd8 28. Nb5 Rxd3 29. Nxc7 Rd7 30. Rxd7 Nxd7 31. Rd1 Nge5 32. Bxe5 Nxe5 33. Rd8 Bg4 34. Ne8 Rh8 35. Nf6+ Kg7 36. Nxg4 Nxg4 37. Rd7 Kf6 38. Nd3 1-0

[Event "Boris Kostic Memorial-01"]
[Site "Vrsac"]
[Date "1969.09.05"]
[Round "1"]
[White "Matulovic, Milan"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "104"]
[EventDate "1969.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bf4 Be6 9. 0-0-0+ Ke8 10. a4 h5 11. Be2 Bh6 12. Bxh6 Rxh6 13. f4 Rh8 14. Bf3 Ng4 15. Rd2 Rd8 16. e5 Rxd2 17. Kxd2 Nh6 18. a5 Kd7 19. Na4 Kc7 20. Nc5 Rd8+ 21. Kc3 Bd5 22. Bxd5 Rxd5 23. b4 Nf5 24. Re1 Nd4 25. Ne4 Ne6 26. g3 b6 27. axb6+ axb6 28. Ra1 Kb7 29. Rf1 c5 30. bxc5 Nxc5 31. Ng5 f6 32. Nf3 Nd7 33. exf6 exf6 34. Re1 g5 35. fxg5 fxg5 36. Re7 Kc8 37. Nd4 g4 38. Ne6 Ne5 39. Rc7+ Kb8 40. Rh7 Nf3 41. Nf4 Rc5+ 42. Kd3 Nxh2 43. Rxh5 Rxh5 44. Nxh5 Kc7 45. Ke4 Kd6 46. Kf4 Kd5 47. Nf6+ Kd4 48. Nxg4 Nf1 49. Kf3 b5 50. Kf2 Nxg3 51. Kxg3 Kc3 52. Ne3 b4 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "7"]
[White "Benko, Pal C"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "89"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. d4 Bg7 5. e3 0-0 6. Be2 dxc4 7. Bxc4 Nfd7 8. b4 e5 9. Bb2 Nc6 10. Nd5 exd4 11. Nxd4 Nde5 12. Bb3 Bg4 13. f3 Nxd4 14. Bxd4 Qh4+ 15. Kf1 Bf5 16. Qe1 Qd8 17. Qc3 Re8 18. e4 Bd7 19. Rd1 Bb5+ 20. Kf2 c6 21. Nf4 Qf6 22. g3 Rad8 23. Bxe5 Qxe5 24. Qxe5 Bxe5 25. Ke3 Bc3 26. a4 Ba6 27. b5 cxb5 28. axb5 Bxb5 29. Nd5 Rc8 30. Rc1 Red8 31. Rhd1 Rxd5 32. Bxd5 Ba6 33. Bb3 b5 34. Rc2 b4 35. Rd7 Bc4 36. Bxc4 Rxc4 37. Rxa7 Bd4+ 38. Kd3 Rxc2 39. Ra8+ Kg7 40. Kxc2 Bg1 41. h3 Bh2 42. g4 Be5 43. Kb3 Bc3 44. Ra7 Kf6 45. Kc4 1-0

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "115"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5 4. Nc3 g6 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. 0-0 c5 9. Ba3 Qc7 10. Rc1 Bg4 11. d4 Nd7 12. Bb5 Bh6 13. Rb1 Nf6 14. h3 Bc8 15. Re1 b6 16. d5 Rd8 17. c4 Bd7 18. Bxd7 Nxd7 19. Bb2 e5 20. d6 Qc6 21. Nxe5 Nxe5 22. Bxe5 Bf8 23. Qf3 f5 24. Qf4 Bxd6 25. exf5 Bxe5 26. Rxe5 Rd4 27. Qh6 Qf6 28. Rbe1 Qf8 29. Qg5 Rd6 30. Re7 Rad8 31. Qh4 h6 32. fxg6 Rxg6 33. Qe4 Rg7 34. Rxg7+ Qxg7 35. Re3 Kh8 36. Rg3 Qf7 37. Rg6 Qf8 38. Qe6 Rd1+ 39. Kh2 Qf4+ 40. Rg3 Rd8 41. Qg6 Qf8 42. f4 Rd4 43. f5 Rd6 44. Qg4 Rf6 45. Rf3 Qd6+ 46. Qg3 Kh7 47. h4 Qxg3+ 48. Kxg3 Rd6 49. Kg4 Rd4+ 50. Kh5 Rxc4 51. Re3 Rf4 52. g4 b5 53. Re5 Ra4 54. g5 hxg5 55. hxg5 Rxa2 56. Re7+ Kg8 57. Kg6 Kf8 58. f6 1-0

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "2"]
[White "Burger, Karl"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D90"]
[PlyCount "41"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 0-0 7. Rc1 Nb6 8. e3 N8d7 9. Be2 e5 10. 0-0 c6 11. b4 Re8 12. a4 e4 13. Ne1 Nf6 14. b5 Bd7 15. a5 Nbd5 16. Nxd5 cxd5 17. Qb3 Bg4 18. Bxg4 Nxg4 19. h3 Nf6 20. Nc2 Qd7 21. Na3 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Addison, William G"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "57"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bg2 e6 6. 0-0 Be7 7. Bb2 0-0 8. d3 h6 9. Nc3 Bh7 10. Qd2 Nbd7 11. Rfc1 a5 12. cxd5 exd5 13. Nd4 Re8 14. Bh3 Bf8 15. Na4 Bb4 16. Qd1 Qe7 17. Rc2 Ba3 18. Bxa3 Qxa3 19. Qc1 Qd6 20. Qf4 Qe5 21. Qxe5 Nxe5 22. a3 Ra7 23. Rac1 Rd8 24. Nb2 Kf8 25. Nd1 Ke7 26. f4 Ned7 27. Rxc6 bxc6 28. Nxc6+ Kd6 29. Nxa7 1-0

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "68"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. d3 a6 6. a4 d6 7. e4 Nf6 8. Nge2 Bd7 9. h3 0-0 10. Be3 e5 11. 0-0 Rb8 12. Rb1 Ne8 13. Nd5 b5 14. axb5 axb5 15. b4 cxb4 16. Nxb4 Nxb4 17. Rxb4 bxc4 18. Rxc4 Be6 19. Rc1 Qd7 20. Kh2 f5 21. f4 Nf6 22. Qd2 Kh8 23. Rc2 Bb3 24. Rb2 Be6 25. Rxb8 Rxb8 26. Rc1 h5 27. exf5 Bxf5 28. Nc3 Rc8 29. Ne4 Rxc1 30. Qxc1 Nd5 31. fxe5 Nxe3 32. Qxe3 dxe5 33. h4 Qd4 34. Qxd4 exd4 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "5"]
[White "Byrne, Donald"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "26"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nc3 Nf6 5. d3 Be7 6. e3 0-0 7. Nge2 Qe8 8. 0-0 Kh8 9. Nd5 Bd8 10. Nec3 d6 11. b3 Nxd5 12. Nxd5 Ne7 13. Nxe7 Bxe7 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "34"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. d3 c5 9. e3 Nc6 10. Qe2 Rc8 11. Rd1 Qc7 12. Nc3 Rfd8 13. Rac1 Qb8 14. cxd5 Nxd5 15. Nxd5 Rxd5 16. d4 cxd4 17. Nxd4 Nxd4 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Saidy, Anthony Fred"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "80"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. 0-0 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7 11. Qc2 Bb7 12. Nd2 c5 13. Nc4 0-0 14. Rd1 h6 15. Bf4 Qd7 16. Rac1 Rac8 17. Ne3 d4 18. Qf5 Bxg2 19. Qxd7 Nxd7 20. Kxg2 Rfe8 21. Nf5 Nb6 22. Kf1 Bf8 23. e3 dxe3 24. Bxe3 Re6 25. b3 Rf6 26. g4 h5 27. h3 hxg4 28. hxg4 Rfc6 29. Rd2 g6 30. Nh6+ Bxh6 31. Bxh6 c4 32. bxc4 Nxc4 33. Rd7 Nd2+ 34. Bxd2 Rxc1+ 35. Bxc1 Rxc1+ 36. Kg2 a5 37. Rd5 a4 38. Rd4 a3 39. Rd3 Rc4 40. Rxa3 Rxg4+ 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Zuckerman, Bernard"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "111"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 Rb8 8. d3 d6 9. a4 a6 10. h3 Ne8 11. Be3 Nd4 12. Rb1 Nc7 13. b4 Nxe2+ 14. Nxe2 cxb4 15. Bb6 Bd7 16. Rxb4 e5 17. Nc3 Qc8 18. a5 Ne6 19. Nd5 Re8 20. Rb1 Ra8 21. Be3 Rb8 22. Ba7 Bc6 23. Bxb8 Qxb8 24. f4 exf4 25. gxf4 Qd8 26. f5 Nd4 27. f6 Bf8 28. Qd2 h5 29. Qf2 Ne6 30. Qb6 Qd7 31. Qe3 Kh7 32. d4 Bh6 33. Qc3 Bxd5 34. cxd5 Nf4 35. Rbe1 Qd8 36. e5 dxe5 37. dxe5 Nxg2 38. Kxg2 Qxd5+ 39. Qf3 Qxa5 40. Qxb7 Qa2+ 41. Rf2 Qe6 42. Rf3 Bf8 43. Qb3 Bd6 44. Qxe6 Rxe6 45. exd6 Rxe1 46. Rd3 Re8 47. d7 Rd8 48. Kf3 g5 49. Ke4 Kg6 50. Ke5 g4 51. hxg4 hxg4 52. Rd4 Kg5 53. Kd6 g3 54. Rd3 Kf4 55. Ke7 g2 56. Rd1 1-0

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "9"]
[White "Byrne, Robert Eugene"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B38"]
[PlyCount "129"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 d6 7. Be2 Nh6 8. Nc3 0-0 9. 0-0 f5 10. exf5 gxf5 11. f4 Bd7 12. Qd2 Ng4 13. Bxg4 fxg4 14. Rad1 Nxd4 15. Bxd4 Bxd4+ 16. Qxd4 Bc6 17. Nd5 Rf7 18. Ne3 h5 19. c5 Qc7 20. cxd6 Qxd6 21. Qc4 Qh6 22. Nd5 Re8 23. Rde1 Bxd5 24. Qxd5 e6 25. Qb5 Ref8 26. Re5 h4 27. Rg5+ Rg7 28. Rxg7+ Qxg7 29. Qc4 Qf7 30. Re1 Qxf4 31. Qxe6+ Kg7 32. Qe7+ Rf7 33. Qxh4 Qd4+ 34. Kh1 Qc4 35. h3 Rf1+ 36. Rxf1 Qxf1+ 37. Kh2 gxh3 38. Qxh3 Qb1 39. Qd7+ Kg6 40. Qd6+ Kg5 41. Qd2+ Kg4 42. Qe2+ Kg5 43. Qe7+ Kg4 44. Qg7+ Kf4 45. a3 b6 46. g3+ Kf3 47. Qf6+ Kg4 48. Qh4+ Kf3 49. Qf4+ Ke2 50. Kg2 Qa2 51. Qe5+ Kd1 52. g4 Qc4 53. Kg3 b5 54. g5 Qd3+ 55. Kf4 a5 56. Qc3 Qd6+ 57. Kf5 b4 58. axb4 axb4 59. Qe5 Qd7+ 60. Ke4 Kc2 61. Qc5+ Kb1 62. Qf5 Qb7+ 63. Qd5 Qa7 64. Qf5 Qb7+ 65. Qd5 1/2-1/2

[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "4"]
[White "Reshevsky, Samuel Herman"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D76"]
[PlyCount "46"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. d4 0-0 7. e4 Nb6 8. Nc3 Nc6 9. d5 Na5 10. 0-0 c6 11. Bg5 h6 12. Bf4 Nac4 13. Qb3 e5 14. Bc1 cxd5 15. exd5 Nd6 16. Be3 Nbc4 17. Bc5 Bg4 18. Rfe1 Re8 19. Nb5 b6 20. Bxd6 Nxd6 21. Rac1 Nxb5 22. Qxb5 Rc8 23. Nd2 Qd7 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.14"]
[Round "17"]
[White "Byrne, Donald"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "38"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. b3 Bg4 4. Ne5 Bf5 5. cxd5 cxd5 6. e3 Nd7 7. Qf3 Nxe5 8. Qxf5 Nc6 9. Nc3 e6 10. Qb1 Nf6 11. Be2 Bd6 12. 0-0 h5 13. f4 Ng4 14. g3 f5 15. Nb5 Be7 16. Bb2 Bf6 17. h3 Bxb2 18. Qxb2 Nf6 19. Nd4 Qd6 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.12"]
[Round "16"]
[White "Spassky, Boris Vasilievich"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D88"]
[PlyCount "78"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 cxd4 9. cxd4 Nc6 10. Be3 0-0 11. 0-0 b6 12. Rc1 Bb7 13. Bb5 Na5 14. d5 e6 15. dxe6 fxe6 16. Nf4 Qg5 17. Qd7 Rf7 18. Nxe6 Qe5 19. Bd4 Qxd4 20. Qxd4 Bxd4 21. Nxd4 Bxe4 22. Rfd1 Bb7 23. Ne6 Re7 24. Bd7 Be4 25. g4 Kh8 26. Rd4 Bc6 27. Rc3 Bb7 28. f4 Rb8 29. f5 gxf5 30. gxf5 Rf7 31. Bc8 h6 32. Rd8+ Kh7 33. Nf8+ Kg7 34. Rg3+ Kf6 35. Re8 Bxc8 36. Rc3 Bxf5 37. Rxb8 Rg7+ 38. Kf2 Be4 39. Ke3 Re7 1-0

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.11"]
[Round "15"]
[White "Byrne, Donald"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "A86"]
[PlyCount "144"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nc6 4. Bg2 f5 5. e3 Nf6 6. d4 0-0 7. Nge2 d6 8. b3 Bd7 9. Bb2 Rb8 10. Rc1 a6 11. Rc2 b5 12. cxb5 axb5 13. 0-0 Nb4 14. Rd2 e6 15. a3 Nbd5 16. Nxd5 exd5 17. Nf4 c6 18. Nd3 Qb6 19. Rc2 Rbc8 20. Qe2 Qb7 21. Rfc1 Rfe8 22. Qe1 Bf8 23. Bf1 Ne4 24. Bg2 Be7 25. Re2 Ra8 26. f3 Nf6 27. Qc3 Bf8 28. Rce1 Qb6 29. Kh1 Qa5 30. b4 Qc7 31. Nf2 Bg7 32. Qc2 Qb6 33. Kg1 Re7 34. Kh1 Rae8 35. Qc3 Qa6 36. Qb3 Be6 37. Qc2 Bh6 38. Qc3 Bc8 39. Qb3 Nd7 40. e4 Nb6 41. e5 dxe5 42. dxe5 Qa4 43. Qxa4 bxa4 44. f4 Ba6 45. Rc2 Nc4 46. Bc1 Bf8 47. Nd1 Ra7 48. Ne3 Rc8 49. Bf1 Nb6 50. Bxa6 Rxa6 51. Bb2 c5 52. Rec1 d4 53. Nf1 d3 54. Rc3 c4 55. Nd2 Ra7 56. Nxc4 Rxc4 57. Rxc4 d2 58. Rc6 dxc1Q+ 59. Bxc1 Nd5 60. Kg2 Kf7 61. Kf3 Rc7 62. Rxc7+ Nxc7 63. Ke3 Ke6 64. Kd4 Kd7 65. Kc4 Kc6 66. Bb2 Be7 67. Bc1 h5 68. Be3 Nb5 69. Bc1 Bd8 70. Bb2 Bb6 71. e6 Nd6+ 72. Kd3 Bd8 0-1

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.10"]
[Round "14"]
[White "Benko, Pal C"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "80"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 0-0 5. d3 c6 6. e3 a5 7. b5 cxb5 8. cxb5 a4 9. Na3 d5 10. Be2 Bg4 11. 0-0 Qd6 12. Qd2 Nbd7 13. h3 Bxf3 14. Bxf3 Rfc8 15. Rac1 Nb6 16. Rxc8+ Rxc8 17. Rc1 Rxc1+ 18. Qxc1 e5 19. Qc3 Nfd7 20. Bd1 Bf8 21. d4 f6 22. Be2 Qb4 23. Qc1 Bd6 24. Nc2 Qa5 25. Na3 Qb4 26. Nb1 Nc4 27. Bxc4 Qxc4 28. Qxc4 dxc4 29. Kf1 Kf7 30. dxe5 fxe5 31. Nc3 Nb6 32. Ne4 Ke7 33. Ke2 Nd5 34. Kd2 h6 35. g3 Bb4+ 36. Kc2 Nc7 37. b6 Nd5 38. Bxe5 Nxb6 39. Nc3 a3 40. Bd4 Nc8 1-0

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.09"]
[Round "13"]
[White "Byrne, Donald"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "40"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. Nf3 Nge7 7. 0-0 0-0 8. Bd2 d5 9. cxd5 Nxd5 10. Rc1 b6 11. a3 Bb7 12. Nxd5 Qxd5 13. Bc3 Nd4 14. Ne1 Qd7 15. e3 Bxg2 16. Nxg2 Nc6 17. Bxg7 Kxg7 18. Qa4 Rac8 19. b4 Ne5 20. Qxd7 Nxd7 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.07"]
[Round "12"]
[White "Visier Segovia, Fernando"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D83"]
[PlyCount "43"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 Be6 7. Qb3 b6 8. Nf3 c6 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. Bc4 Bxf3 12. gxf3 Nd7 13. Be2 e5 14. dxe5 Bxe5 15. Bxe5 Nxe5 16. f4 Nd7 17. h4 Nc5 18. Qc4 Qd5 19. Qxd5 cxd5 20. b4 Ne6 21. Bf3 Rad8 22. h5 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.06"]
[Round "11"]
[White "Byrne, Donald"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "112"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. d3 Nc6 6. Rb1 Nf6 7. Nf3 0-0 8. 0-0 Bd7 9. b4 Qc8 10. b5 Nd4 11. Bg5 Re8 12. a4 Ne6 13. Bc1 Nc5 14. Nd2 Bh3 15. Nb3 Bxg2 16. Kxg2 Nxb3 17. Rxb3 c6 18. bxc6 bxc6 19. Ba3 Rd8 20. Qd2 Rd7 21. Rfb1 h5 22. Qb2 Rd8 23. Rb7 e4 24. Qc2 exd3 25. exd3 Rd7 26. Qb3 d5 27. Rb8 Rxb8 28. Qxb8 Qd8 29. cxd5 Nxd5 30. Ne4 Nb6 31. Qxd8+ Rxd8 32. a5 Na4 33. Be7 Ra8 34. Rb7 Nc3 35. Bc5 Nb5 36. Ng5 Bf8 37. Be3 f6 38. Ne6 g5 39. Nd4 Nd6 40. Rc7 a6 41. Nxc6 Nf7 42. d4 Kg7 43. h3 Kg6 44. d5 g4 45. hxg4 hxg4 46. Bf4 Re8 47. Kf1 Bc5 48. Rd7 Ng5 49. Bxg5 Kxg5 50. Nd8 Bb4 51. Ne6+ Kh6 52. Ra7 Bxa5 53. Rxa6 Bc3 54. Nc7 Re1+ 55. Kg2 Rd1 56. Rc6 Be5 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.05"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D77"]
[PlyCount "95"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. Nf3 Bg7 5. 0-0 0-0 6. d4 dxc4 7. Qa4 Nc6 8. Rd1 Bg4 9. Nc3 Nd7 10. Qxc4 Nb6 11. Qc5 Bxf3 12. Bxf3 Nxd4 13. Bxb7 Na4 14. Qc4 Nxc3 15. bxc3 Nf3+ 16. Bxf3 Qxd1+ 17. Kg2 Rac8 18. Qc5 Qc2 19. Be3 Qxc3 20. Rc1 Qxc5 21. Bxc5 a5 22. Bxe7 Rfe8 23. Bb7 Rxe7 24. Bxc8 Rxe2 25. Ba6 Rd2 26. Rxc7 Bd4 27. Bc4 Rxf2+ 28. Kh1 h5 29. Rd7 Bc5 30. Rc7 Bb4 31. Kg1 Rf5 32. Kg2 Kg7 33. Be6 Rf6 34. Bb3 Ba3 35. Rc2 Bb4 36. Rf2 Rxf2+ 37. Kxf2 f5 38. h3 Kf6 39. Kf3 Kg5 40. Bf7 Be1 41. Be8 h4 42. gxh4+ Bxh4 43. a4 Kf6 44. Kg2 Be1 45. Kf3 Bb4 46. Kg2 g5 47. Kf3 Ke5 48. Bd7 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.04"]
[Round "9"]
[White "Byrne, Donald"]
[Black "Diez del Corral, Jesus"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "96"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 Bd7 9. h3 Ne8 10. Be3 Nd4 11. Rb1 a5 12. Qc1 Bc6 13. Bh6 f5 14. Bxg7 Nxg7 15. f4 fxe4 16. dxe4 e5 17. Qd2 Qe7 18. Rbe1 Nh5 19. Kh2 exf4 20. gxf4 Qh4 21. Nxd4 Qg3+ 22. Kg1 cxd4 23. Ne2 Qe3+ 24. Qxe3 dxe3 25. f5 Rae8 26. fxg6 Rxf1+ 27. Kxf1 hxg6 28. Nc3 Rf8+ 29. Kg1 Rf2 30. b3 Nf4 31. Bf1 Rf3 32. h4 Ne6 33. Bg2 Rg3 34. Kh2 Rg4 35. Kh3 Rf4 36. Rxe3 Rf2 37. Kg3 Rc2 38. Bf3 Nd4 39. Rd3 Nxf3 40. Kxf3 Kf7 41. a3 Ke6 42. Nb5 Bxb5 43. cxb5 Rh2 44. Kg3 Re2 45. Kf3 Rh2 46. Kg3 Re2 47. Kf4 Rh2 48. Kg4 Re2 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.02"]
[Round "8"]
[White "Matanovic, Aleksandar"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "50"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 a5 10. Bb3 Nxd4 11. Bxd4 Bd7 12. a4 Be6 13. 0-0-0 Qd7 14. Kb1 Rfc8 15. g4 Bxb3 16. cxb3 Qe6 17. Ka2 Nd7 18. Bxg7 Kxg7 19. h4 h6 20. g5 h5 21. Rhe1 Ne5 22. Re3 Rc5 23. Nb5 Qc8 24. Kb1 Nc6 25. Rc3 b6 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.12.01"]
[Round "7"]
[White "Byrne, Donald"]
[Black "Westerinen, Heikki MJ"]
[Result "0-1"]
[ECO "A24"]
[PlyCount "70"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 Nbd7 8. d3 Nc5 9. h3 Ne6 10. f4 exf4 11. gxf4 Nh5 12. Be3 f5 13. Qd2 c6 14. Rf2 Qh4 15. Raf1 g5 16. exf5 Nexf4 17. Nxf4 gxf4 18. Bxf4 Rxf5 19. Be3 Ng3 20. Rxf5 Nxf5 21. Bf2 Qh5 22. Re1 Bd7 23. Re4 Kh8 24. Ne2 Rg8 25. Rg4 Re8 26. Re4 Rf8 27. d4 Bf6 28. Rg4 Ng7 29. Ng3 Qf7 30. Rf4 Ne6 31. Rf5 Ng5 32. Rf4 Bxh3 33. Qe2 Ne6 34. Rxf6 Qxf6 35. Bxh3 Nf4 0-1

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.30"]
[Round "6"]
[White "Medina Garcia, Antonio Angel"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "52"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. f4 Nge7 8. Nf3 Nd4 9. 0-0 0-0 10. Qd2 Rb8 11. g4 d5 12. Ng5 h6 13. Nh3 dxe4 14. dxe4 f5 15. Nf2 b6 16. Kh1 Bb7 17. Rg1 fxe4 18. Ncxe4 Nd5 19. Rac1 Qc7 20. Nd3 c4 21. Ne5 Bxe5 22. fxe5 Nf3 23. Bxf3 Rxf3 24. Bd4 Re8 25. Be3 Qxe5 26. Qd4 Qxe4 0-1

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.29"]
[Round "5"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "61"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. Qc2 Rb8 9. d3 b6 10. Nf3 Bb7 11. 0-0 0-0 12. Rd1 c5 13. e4 Ne5 14. Ne1 Nc6 15. f4 Qd7 16. Nf3 Rfd8 17. Bb2 Rbc8 18. Qf2 Rc7 19. Rd2 Na5 20. Re1 Qa4 21. Ba1 Rcd7 22. Bf1 Ba6 23. Qe3 Qa3 24. e5 e6 25. g4 Qa4 26. c4 Bh6 27. Rf2 b5 28. Nd2 bxc4 29. Ne4 cxd3 30. Nf6+ Kh8 31. Qh3 1-0

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.27"]
[Round "4"]
[White "Byrne, Donald"]
[Black "Toran Albero, Roman"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "87"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. e4 Nc6 6. Nge2 0-0 7. 0-0 d6 8. d3 Rb8 9. h3 Ne8 10. Be3 Nc7 11. d4 cxd4 12. Nxd4 Ne6 13. Nde2 a6 14. a4 Nc5 15. Rb1 a5 16. f4 b6 17. b3 Bb7 18. Rb2 Ba8 19. Rd2 Qc8 20. Nb5 Nb4 21. Nec3 f5 22. Nd5 Rf7 23. exf5 gxf5 24. Kh2 Bxd5 25. cxd5 Qd7 26. Bd4 Rbf8 27. Re1 Nba6 28. Re3 Nc7 29. Bxg7 Rxg7 30. Nd4 Ne4 31. Bxe4 fxe4 32. Rxe4 Nxd5 33. Ne6 Nc3 34. Qe1 Nxe4 35. Qxe4 Rgf7 36. Nxf8 Rxf8 37. Rd5 e5 38. fxe5 Rf2+ 39. Kg1 Qf7 40. Rd1 Rf3 41. Qg4+ Kh8 42. Qc8+ Kg7 43. Qg4+ Kf8 44. Re1 1-0

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.26"]
[Round "3"]
[White "Lehmann, Heinz"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B74"]
[PlyCount "40"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. 0-0 0-0 9. Nb3 Be6 10. f4 Qc8 11. Kh1 Rd8 12. Bg1 Bg4 13. Nd5 Bxe2 14. Qxe2 Nxd5 15. exd5 Nb4 16. c4 b5 17. cxb5 Nxd5 18. Nd4 Bxd4 19. Bxd4 Qf5 20. Rac1 e6 1/2-1/2

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.25"]
[Round "2"]
[White "Byrne, Donald"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "80"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. e4 d6 6. Nge2 c6 7. 0-0 a6 8. d4 Nbd7 9. h3 Rb8 10. d5 c5 11. a4 Ne8 12. f4 Nc7 13. Qd3 Nf6 14. Bd2 Bd7 15. a5 b6 16. axb6 Rxb6 17. Qc2 Qb8 18. Nd1 Nfe8 19. Bc3 Bxc3 20. Nexc3 Rb4 21. Qe2 e5 22. f5 Nf6 23. Rf2 Kh8 24. Kh2 g5 25. Ne3 Rg8 26. Bf3 Rb6 27. Kh1 Kg7 28. h4 h6 29. Rg1 Kf8 30. Ng4 Nxg4 31. Bxg4 Ne8 32. f6 Bxg4 33. Qxg4 Rg6 34. Rgf1 gxh4 35. Qxh4 Rxb2 36. g4 Rxf2 37. Rxf2 Qb3 38. Rf3 Kg8 39. g5 hxg5 40. Qg4 Nxf6 0-1

[Event "Palma de Mallorca Gran Torneo-04"]
[Site "Palma de Mallorca"]
[Date "1968.11.24"]
[Round "1"]
[White "Calvo Minguez, Ricardo"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "139"]
[EventDate "1968.11.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 0-0 8. 0-0 Rb8 9. Be3 b6 10. Bf2 d5 11. e5 Nf5 12. g4 Nfd4 13. Nxd4 Nxd4 14. Bxd4 cxd4 15. Nb5 f6 16. Qe2 Bd7 17. Nxd4 fxe5 18. fxe5 Qg5 19. Rae1 Rxf1+ 20. Bxf1 Rf8 21. h3 h5 22. Bg2 hxg4 23. Qxg4 Qxg4 24. hxg4 Rf4 25. Nf3 Rxg4 26. Kf2 Bh6 27. Bh3 Rf4 28. Rg1 Kg7 29. Ke2 a5 30. b3 b5 31. c3 Kf7 32. Rg4 Rxg4 33. Bxg4 Bf4 34. d4 Ke7 35. Ne1 Bh6 36. Nd3 Bc8 37. Nc5 Kf7 38. b4 axb4 39. cxb4 Bc1 40. Kd3 Ke7 41. Be2 Bb2 42. Nb3 Bd7 43. Kc2 Ba3 44. Kc3 Be8 45. Nc5 Bc1 46. Nb7 Be3 47. Nd6 Bf2 48. a3 g5 49. Nxe8 Kxe8 50. Bxb5+ Kd8 51. Be2 Kc7 52. Bg4 Kd7 53. b5 Be1+ 54. Kb3 Bf2 55. Kb4 Bxd4 56. Ka5 Bxe5 57. a4 Kd6 58. Ka6 Kc5 59. a5 Kb4 60. Bxe6 d4 61. b6 d3 62. Bf5 d2 63. Bg4 Bf4 64. b7 Bc7 65. Bd1 Kc5 66. Ka7 Kb5 67. a6 Ka5 68. b8Q Bxb8+ 69. Kb7 Kb5 70. Bg4 1-0

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.11.06"]
[Round "13"]
[White "Byrne, Donald"]
[Black "Hennings, Artur"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "82"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "German Dem Rep"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "DDR"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bg4 5. Bb2 Nbd7 6. Be2 e6 7. 0-0 Bd6 8. Nc3 0-0 9. Rc1 Re8 10. cxd5 Bxf3 11. Bxf3 exd5 12. Qc2 Qe7 13. g3 Ba3 14. Bxa3 Qxa3 15. d4 Nb6 16. Rfe1 Rad8 17. Bg2 h6 18. Re2 Re7 19. Nb1 Qd6 20. Qc5 Qxc5 21. Rxc5 Ne4 22. Rc1 Nc8 23. Rb2 Ncd6 24. Na3 a5 25. Nb1 Ra8 26. a4 g6 27. Na3 h5 28. Nc2 Ne8 29. Ne1 Nc7 30. Nd3 Na6 31. b4 axb4 32. Bxe4 dxe4 33. Nxb4 Nc7 34. Ra1 Ra5 35. Kf1 Rd7 36. Ke1 Ne6 37. Nc2 c5 38. dxc5 Nxc5 39. Rb5 Rxb5 40. axb5 Rd3 41. Nd4 Nb3 1/2-1/2

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.11.05"]
[Round "12"]
[White "Grabczewski, Romuald"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "40"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "United States"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. Bb3 Bd7 10. h4 a5 11. a4 Nxd4 12. Bxd4 Be6 13. Nd5 Bxd5 14. Bxd5 Nxd5 15. exd5 Bxd4 16. Qxd4 Qc7 17. 0-0-0 Rac8 18. c3 Qc4 19. h5 Qxd4 20. Rxd4 Rc5 1/2-1/2

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.11.04"]
[Round "11"]
[White "Byrne, Donald"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "63"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "YUG"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. Nf3 d5 11. d4 e6 12. 0-0 Nge7 13. Bf4 Rb6 14. Qd3 0-0 15. Rfc1 Ba6 16. Nd1 Nf5 17. Ne3 Nd6 18. Bxd6 Qxd6 19. Qd2 Rc8 20. Nc2 Bb7 21. Nce1 Ra6 22. e3 Rca8 23. Nd3 Ra2 24. Rc2 Ra1 25. Qc1 Rxb1 26. Qxb1 Ra4 27. Rb2 Qb8 28. Nc5 Ra7 29. Ra2 Bf8 30. Rxa7 Qxa7 31. Bf1 Bxc5 32. dxc5 1/2-1/2

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "9"]
[White "Augustin, Josef"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "108"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "United States"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3 Nd4 9. 0-0 Bd7 10. a3 Rc8 11. Rab1 b6 12. Nh4 Ne7 13. f4 0-0 14. Qf2 f5 15. Rbe1 b5 16. Nd1 Qa4 17. c3 Nc2 18. Re2 Nxe3 19. Qxe3 fxe4 20. Bxe4 d5 21. Bg2 g5 22. Nf3 gxf4 23. gxf4 Qxf4 24. Qxf4 Rxf4 25. Ne5 Rxf1+ 26. Bxf1 Bxe5 27. Rxe5 Ng6 28. Rg5 Kf7 29. Rg2 e5 30. b4 c4 31. d4 e4 32. Ne3 Be6 33. Ra2 a5 34. a4 axb4 35. cxb4 bxa4 36. Rxa4 Rb8 37. Nc2 Nf4 38. Ra7+ Kg6 39. Ra6 Kg5 40. Kf2 h5 41. Ke3 Bg4 42. Bxc4 Bd1 43. Bb3 Rc8 44. h4+ Kg4 45. Ba4 Rc3+ 46. Kd2 Rd3+ 47. Kc1 Kxh4 48. b5 e3 49. Nxe3 Bxa4 50. Nf5+ Kg5 51. Rxa4 Kxf5 52. Kc2 Rg3 53. b6 Rg8 54. b7 Rb8 0-1

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.10.30"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Smyslov, Vassily V"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "56"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "URS"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bg4 4. 0-0 Nd7 5. d3 e6 6. Nbd2 Bd6 7. e4 Ne7 8. Qe2 0-0 9. h3 Bh5 10. Re1 Kh8 11. d4 Rc8 12. c4 c5 13. cxd5 exd5 14. e5 Bb8 15. e6 fxe6 16. Qxe6 Re8 17. dxc5 Nxc5 18. Qe2 Nc6 19. Qf1 Qf6 20. a4 Rxe1 21. Nxe1 Nd4 22. Bxd5 Ne2+ 23. Kh2 Qe5 24. Bg2 Nxg3 25. fxg3 Qxg3+ 26. Kg1 Qh2+ 27. Kf2 Bg3+ 28. Ke3 Bxe1 0-1

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.10.29"]
[Round "5"]
[White "Kolarov, Atanas Stefanov"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "D77"]
[PlyCount "102"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "United States"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Nc4 Nc6 10. Ba3 cxd4 11. cxd4 Be6 12. Nce5 Bd5 13. Nxc6 Bxc6 14. e3 Re8 15. Ne5 Bxg2 16. Kxg2 Qd5+ 17. Qf3 Rac8 18. Rfb1 Rc7 19. Nd3 Rec8 20. Rb3 b6 21. Rab1 e6 22. R1b2 h5 23. Qxd5 Nxd5 24. Kf3 Rc4 25. Bb4 g5 26. Bd2 f5 27. Ke2 Ra4 28. Nb4 Nf6 29. Rc3 Rxc3 30. Bxc3 Ne4 31. Be1 Bf8 32. Nd3 Rc4 33. f3 Nf6 34. Ne5 Rc7 35. Kd1 Bd6 36. Nd3 Nd5 37. Bd2 g4 38. e4 Nc3+ 39. Bxc3 Rxc3 40. Kd2 Rc4 41. exf5 exf5 42. fxg4 hxg4 43. Ke3 Kf7 44. Ne1 Ke6 45. Kd3 Rxd4+ 46. Kxd4 Be5+ 47. Kc4 Bxb2 48. Nd3 Ba3 49. Kb5 Kd5 50. h3 Ke4 51. hxg4 fxg4 0-1

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "4"]
[White "Byrne, Donald"]
[Black "Bandal, Rosendo"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "79"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Philippines"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "PHI"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 Nf6 6. e4 d6 7. Nge2 Bd7 8. h3 a6 9. Be3 e5 10. f4 Nd4 11. 0-0 h5 12. Qd2 Qc8 13. fxe5 dxe5 14. Bg5 Nxe2+ 15. Nxe2 Nh7 16. Bh6 0-0 17. Kh2 Be6 18. Nc3 Qd8 19. Nd5 Bxh6 20. Qxh6 Bxd5 21. exd5 Qg5 22. Qxg5 Nxg5 23. Rf6 Rad8 24. Re1 Rd7 25. Rxe5 Kg7 26. Rb6 f6 27. Re2 Nf7 28. b4 cxb4 29. Rxb4 Rc8 30. Re6 Ne5 31. Reb6 Nxd3 32. Rxb7 Rcc7 33. Rxc7 Rxc7 34. d6 Ra7 35. Rb8 Rd7 36. Rb6 a5 37. Rc6 f5 38. Rc7 Ne5 39. Bc6 Rf7 40. Be8 1-0

[Event "Olympiad-18 Final A"]
[Site "Lugano"]
[Date "1968.10.26"]
[Round "2"]
[White "Byrne, Donald"]
[Black "Pfleger, Helmut"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "103"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "GER"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 g6 4. c4 dxc4 5. Qa4+ Nbd7 6. Qxc4 Bg7 7. 0-0 0-0 8. Qc2 e5 9. Nc3 c6 10. d3 Re8 11. Be3 Nb6 12. Rad1 Qe7 13. a4 Bf8 14. a5 Nbd5 15. Bg5 h6 16. Bd2 Bd7 17. Qa4 b5 18. Qa1 Rac8 19. Ne4 Bg7 20. Qc1 Kh7 21. Nc5 Bf8 22. b4 Bg4 23. e4 Nc7 24. Qb2 Ne6 25. Be3 Qc7 26. Nxe6 Rxe6 27. Rd2 a6 28. Ne1 g5 29. h3 Bh5 30. f4 gxf4 31. gxf4 exf4 32. Rxf4 Nd5 33. Rh4 Nxe3 34. Rxh5 Qg3 35. Nc2 Rg6 36. Nxe3 Qxe3+ 37. Rf2 Bg7 38. e5 Rd8 39. Qe2 Qd4 40. Kh1 Qxb4 41. Be4 Kg8 42. Rhf5 Rd7 43. R5f4 Rd4 44. Rxf7 Rg3 45. e6 Rd8 46. e7 Re8 47. Bxc6 Rxh3+ 48. Kg2 Rg3+ 49. Kxg3 Qd6+ 50. R2f4 Qxc6 51. Qg4 Qc3 52. Rf8+ 1-0

[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.24"]
[Round "7"]
[White "Zorigt, Damdzinhav"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "93"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Mongolia"]
[BlackTeam "United States"]
[WhiteTeamCountry "MGL"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 0-0 8. Be3 Nc6 9. Qd2 a5 10. 0-0 a4 11. a3 Bd7 12. Rad1 Qc8 13. Qe2 Ra5 14. Rd2 Ne5 15. Ba2 Rc5 16. Ndb5 Nc4 17. Bxc4 Rxc4 18. Na7 Qc7 19. Ncb5 Bxb5 20. Nxb5 Qc6 21. b3 axb3 22. cxb3 Rc1 23. Rxc1 Qxc1+ 24. Rd1 Qc8 25. Rc1 Qe6 26. Nd4 Qd7 27. Qb5 Rc8 28. Qxd7 Rxc1+ 29. Bxc1 Nxd7 30. Be3 Nc5 31. b4 Bxd4 32. Bxd4 Na4 33. Kf2 e5 34. Ba7 Kf8 35. Ke2 Ke7 36. Kd3 b5 37. g4 f6 38. h4 Ke6 39. h5 gxh5 40. gxh5 d5 41. Be3 Nb2+ 42. Kc2 Nc4 43. Bc1 f5 44. exd5+ Kxd5 45. Kb3 Kd4 46. a4 bxa4+ 47. Kxa4 1/2-1/2

[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.23"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Robles, Juan"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "51"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "VEN"]

1. g3 e5 2. c4 Nc6 3. Bg2 d6 4. Nc3 g6 5. d3 Bg7 6. e4 Nge7 7. Nge2 Bd7 8. 0-0 0-0 9. Nd5 Nxd5 10. cxd5 Ne7 11. Be3 c5 12. dxc6 Bxc6 13. Qb3 d5 14. Bc5 dxe4 15. dxe4 Re8 16. Qa3 Nc8 17. Rfd1 Qc7 18. Rac1 Nb6 19. Nc3 Nd7 20. Bd6 Qb6 21. Bh3 Rad8 22. Nd5 Bxd5 23. Bc7 Bxe4 24. Bxb6 Nxb6 25. Rxd8 Rxd8 26. Qxa7 1-0

[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Byrne, Donald"]
[Black "Shaw, Terrey Ian"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "75"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Australia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "AUS"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e6 6. Nf3 Nge7 7. 0-0 0-0 8. Bd2 Rb8 9. Qc1 Re8 10. Ne4 d6 11. Bg5 f5 12. Nf6+ Bxf6 13. Bxf6 Kf7 14. Bc3 Ng8 15. Ng5+ Ke7 16. Nxh7 Kd7 17. f4 Qe7 18. Ng5 Kc7 19. e4 Nd4 20. Qd2 Bd7 21. Bxd4 cxd4 22. exf5 gxf5 23. Qa5+ Kc8 24. Qxa7 e5 25. Rae1 Nf6 26. c5 Ng4 27. cxd6 Qxd6 28. Nf7 Qc7 29. fxe5 Nxe5 30. Nxe5 Rxe5 31. Qxd4 Rxe1 32. Rxe1 Ra8 33. Qh8+ Qd8 34. Rc1+ Bc6 35. Qxd8+ Kxd8 36. Bxc6 bxc6 37. a3 Rb8 38. b4 1-0

[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Niedermayr, Horst"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "81"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "United States"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Bd2 Rb8 10. Rb1 b5 11. a3 a5 12. a4 b4 13. Nb5 Nd4 14. c4 e5 15. Nfxd4 exd4 16. g4 f5 17. exf5 gxf5 18. g5 Bb7 19. Bxb7 Rxb7 20. Qf3 Rd7 21. b3 d5 22. Rbe1 dxc4 23. bxc4 Ng6 24. Kf2 Qa8 25. Re6 Qxf3+ 26. Kxf3 Ra8 27. Rfe1 Bf8 28. Kg3 Re7 29. Rxe7 Bxe7 30. h4 h5 31. Nc7 Rb8 32. Bc1 Kf7 33. Nb5 Rb6 34. Nc7 Bd8 35. Nb5 Re6 36. Rxe6 Kxe6 37. Bb2 Kd7 38. Bc1 Bc7 39. Bd2 Bd8 40. Bc1 Ke6 41. Bd2 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.23"]
[Round "13"]
[White "Byrne, Donald"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "62"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. d3 e6 6. Nf3 Nge7 7. 0-0 0-0 8. Bf4 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Be3 b6 12. d4 c4 13. b3 b5 14. a4 Na5 15. Nd2 c3 16. b4 Nc6 17. axb5 Nxd4 18. Bxd4 Bxd4 19. Nb3 Bf6 20. Qxd5 Rb8 21. Rxa7 Qxd5 22. Bxd5 Rxb5 23. Nc5 Bf5 24. e4 Bh3 25. Rc1 Rxb4 26. Rc7 Be5 27. Rxf7 Rxf7 28. Nd3 Bd6 29. Nxb4 Bxb4 30. Rb1 Bc5 31. Rb7 c2 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.21"]
[Round "12"]
[White "Jovanovac, I."]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "64"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 a6 8. a3 Nge7 9. Bg5 h6 10. Bh4 Qc7 11. Rc1 Ng6 12. Bg3 Bd7 13. Qe2 Be7 14. b4 0-0 15. Rfd1 Rfd8 16. Ba2 Nge5 17. Bxe5 dxe5 18. Nd5 exd5 19. exd5 Bf6 20. Qc4 Be8 21. dxc6 Bxc6 22. Re1 Qe7 23. Qe2 e4 24. Nd2 Bb2 25. Rc5 g6 26. a4 a5 27. Rc2 Bg7 28. b5 Bd5 29. Bxd5 Rxd5 30. Nxe4 Re5 31. Qc4 Qb4 32. f4 Qxe1+ 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.20"]
[Round "11"]
[White "Byrne, Donald"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "99"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 Bf5 4. c4 e6 5. 0-0 c6 6. Qb3 Qc8 7. d4 Be7 8. Nc3 h6 9. Bf4 dxc4 10. Qxc4 Nbd7 11. Qb3 0-0 12. Rac1 Nd5 13. Bd2 a5 14. Rfe1 Nxc3 15. bxc3 a4 16. Qb2 Be4 17. c4 c5 18. Bc3 cxd4 19. Bxd4 Bf6 20. Red1 Ra5 21. Qb4 Qc7 22. Ne5 Bxe5 23. Bxe4 Bxd4 24. Rxd4 Nc5 25. Bf3 a3 26. Rb1 Rc8 27. Qd2 Rca8 28. Bxb7 Nxb7 29. Rd7 Qxc4 30. Rbxb7 Rd5 31. Rxd5 exd5 32. Rd7 Re8 33. e3 Rb8 34. Qxd5 Rb1+ 35. Kg2 Qf1+ 36. Kf3 Qh1+ 37. Kg4 Qxd5 38. Rxd5 Rb2 39. Ra5 Rxf2 40. Rxa3 Rxh2 41. Kf3 h5 42. e4 h4 43. Ra8+ Kh7 44. gxh4 Rxh4 45. Ra7 f6 46. a4 Kh6 47. Ra6 Kh5 48. Ra8 Rh3+ 49. Kf4 Kg6 50. e5 1/2-1/2

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.19"]
[Round "10"]
[White "Bertok, Mario"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "D76"]
[PlyCount "102"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 0-0 7. 0-0 Nc6 8. e4 Nb6 9. d5 Na5 10. Nc3 c6 11. Re1 h6 12. Bf4 Nac4 13. Qb3 e5 14. Bc1 Re8 15. Nd2 cxd5 16. exd5 Nd6 17. a4 Nf5 18. a5 Nd4 19. Qd1 Bf5 20. Nde4 Nc4 21. a6 b6 22. b3 Na5 23. Rb1 Rc8 24. b4 Nc4 25. Be3 Kh8 26. Bxd4 exd4 27. Nb5 Ne3 28. fxe3 Bxe4 29. Bxe4 Rxe4 30. Qd3 f5 31. d6 dxe3 32. d7 Rcc4 33. Rbd1 Kh7 34. Qd5 Rxb4 35. Nd6 e2 36. Rd3 Rbd4 37. Nb7 Rxd5 38. Rxd5 Rd4 39. Nxd8 Rxd5 40. Nc6 Rxd7 41. Rxe2 Rc7 42. Re6 b5 43. Kf1 Bf8 44. Ke2 Kg7 45. h4 b4 46. Kd3 b3 47. h5 gxh5 48. Nxa7 Rxa7 49. Rb6 Bc5 50. Rxb3 Rxa6 51. Rb5 Rc6 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.17"]
[Round "9"]
[White "Byrne, Donald"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "37"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 Nf6 6. e4 0-0 7. Nge2 d6 8. 0-0 Ne8 9. Be3 Nc7 10. d4 cxd4 11. Nxd4 Ne6 12. Nde2 Ne5 13. b3 Ng4 14. Bd2 Nd4 15. h3 Nxe2+ 16. Qxe2 Ne5 17. Rac1 Nc6 18. Be3 Qa5 19. Qd2 1/2-1/2

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.16"]
[Round "8"]
[White "Wade, Robert Graham"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "127"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. h4 h5 9. Qd2 0-0 10. f3 Nxd4 11. Bxd4 Qa5 12. 0-0-0 Be6 13. Kb1 Rfc8 14. a3 Rab8 15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Rxd2 Bxd4 18. Rxd4 Kg7 19. f4 b5 20. Re1 a5 21. Bd3 Rc7 22. e5 d5 23. Rf1 b4 24. axb4 Rxb4 25. Rxb4 axb4 26. g3 Rc5 27. Rd1 Bd7 28. Rd2 f6 29. exf6+ Kxf6 30. Re2 Bf5 31. Bxf5 gxf5 32. Ka2 Rc4 33. Kb3 Re4 34. Rd2 Ke6 35. Rd1 Kd6 36. Ra1 e6 37. Ra6+ Kc5 38. Ra5+ Kb6 39. Ra8 Re3+ 40. Kxb4 Rxg3 41. Rd8 Kc6 42. c4 dxc4 43. Kxc4 Rg4 44. Rd4 Rxh4 45. b4 Rh1 46. b5+ Kc7 47. Rd3 h4 48. Kc5 h3 49. Rc3 Kb7 50. b6 h2 51. Rc2 Rd1 52. Rxh2 Rd5+ 53. Kc4 Kxb6 54. Rh6 Rd6 55. Rh7 Rd1 56. Rh2 Kc6 57. Rf2 Kd6 58. Re2 Rf1 59. Rd2+ Ke7 60. Rd4 Rf3 61. Kc5 e5 62. Rd5 Rxf4 63. Rxe5+ Kf6 64. Re1 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.15"]
[Round "7"]
[White "Robatsch, Karl"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "35"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 a5 10. a4 Nxd4 11. Bxd4 Be6 12. Bb5 Bd7 13. Bxd7 Qxd7 14. 0-0 Ra6 15. Rad1 Rc8 16. Nb5 Ne8 17. Bxg7 Nxg7 18. b3 1/2-1/2

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.13"]
[Round "6"]
[White "Byrne, Donald"]
[Black "Nikolic, Emil"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "61"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 c5 3. c4 g6 4. Nc3 Bg7 5. e4 Nc6 6. Nge2 0-0 7. 0-0 d6 8. d3 Rb8 9. h3 a6 10. a4 Ne8 11. Be3 Nd4 12. Rb1 Bd7 13. b4 Nxe2+ 14. Nxe2 cxb4 15. Rxb4 b5 16. axb5 axb5 17. cxb5 Rxb5 18. Rxb5 Bxb5 19. Qb3 Bd7 20. Rc1 Nf6 21. d4 Qa5 22. d5 Qb5 23. Qxb5 Bxb5 24. Nd4 Bd7 25. Rc7 Rc8 26. Ra7 Kf8 27. Nc6 Ke8 28. g4 h6 29. Bf1 Nxe4 30. Ba6 Rxc6 31. Ra8+ 1-0

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.12"]
[Round "5"]
[White "Matanovic, Aleksandar"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "75"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 a5 10. 0-0 a4 11. a3 Nxd4 12. Bxd4 Be6 13. Bxe6 fxe6 14. b3 Qa5 15. Rfd1 axb3 16. cxb3 Rac8 17. b4 Qh5 18. Ne2 Qb5 19. a4 Qc4 20. Rac1 Qb3 21. a5 Rfd8 22. Bb6 Re8 23. Nd4 Qa4 24. Nxe6 Bh8 25. Nc7 Rf8 26. Nd5 Qd7 27. Qa2 Nxd5 28. Rxc8 Qxc8 29. Qxd5+ Rf7 30. b5 Be5 31. Qa2 Kg7 32. a6 bxa6 33. bxa6 Rf8 34. a7 Qb7 35. Bf2 Ra8 36. Rb1 Qc7 37. g3 g5 38. Qa6 1-0

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.11"]
[Round "4"]
[White "Byrne, Donald"]
[Black "Matov, M."]
[Result "1-0"]
[ECO "C00"]
[PlyCount "80"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 e6 3. Nf3 Be7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 dxe4 9. dxe4 e5 10. c3 Qc7 11. Qc2 Re8 12. Nf1 h6 13. Nh4 Nh7 14. Nf5 Bxf5 15. exf5 Nf6 16. Bd2 Bf8 17. Re2 Rad8 18. Rae1 Nd7 19. Qa4 Nf6 20. h3 Qd7 21. Bxc6 bxc6 22. Rxe5 Rxe5 23. Rxe5 Bd6 24. Re3 Qxf5 25. Qxc6 Qxh3 26. Rd3 Qd7 27. Qf3 Qg4 28. Qxg4 Nxg4 29. Bf4 Bc7 30. Rxd8+ Bxd8 31. Nd2 Nf6 32. Bd6 Nd7 33. a4 f6 34. Nb3 Nb6 35. Nxc5 Nc4 36. Nb7 Bb6 37. b4 a5 38. Bc5 Bc7 39. bxa5 Bxa5 40. Nxa5 Nxa5 1-0

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.09"]
[Round "3"]
[White "Minic, Dragoljub"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "130"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. Qd2 a5 10. a4 Nxd4 11. Bxd4 Be6 12. Bxe6 fxe6 13. 0-0 Nd7 14. Rfd1 Rc8 15. Ra3 Bxd4+ 16. Qxd4 Rc5 17. Rb3 Qc8 18. Qf2 b6 19. Qh4 Rf7 20. Kh1 Qc6 21. Qf2 Rc4 22. Qe2 Rf8 23. Rb5 Kg7 24. h3 Rc5 25. Qd2 h6 26. Qd4+ Kh7 27. Rxc5 Qxc5 28. Qxc5 bxc5 29. Nb5 Nb6 30. b3 e5 31. Kg1 Kg7 32. Kf2 Kf6 33. Ke3 Rc8 34. g3 g5 35. Rd2 Ke6 36. Rh2 c4 37. h4 cxb3 38. cxb3 Nd7 39. hxg5 hxg5 40. Rh6+ Nf6 41. Kd2 g4 42. fxg4 Kd7 43. Nc3 Rg8 44. Rh4 Kc6 45. Kd3 Kc5 46. Nb1 Nxg4 47. Nd2 Nf6 48. Rh3 Kb4 49. Ke2 Rc8 50. Rh6 Rc2 51. Kd1 Kc3 52. Rh2 Kd3 53. g4 Ra2 54. Rh3+ Kd4 55. g5 Nxe4 56. Nxe4 Kxe4 57. Rg3 Rh2 58. g6 Rh8 59. g7 Rg8 60. Kc2 Kd4 61. Rd3+ Kc5 62. Rc3+ Kb6 63. Rg3 d5 64. Rg6+ Kc5 65. Kc3 e6 0-1

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.08"]
[Round "2"]
[White "Byrne, Donald"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "101"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Bg4 3. Bg2 c6 4. c4 e6 5. 0-0 Nf6 6. b3 Bd6 7. Ba3 Bxa3 8. Nxa3 0-0 9. Nc2 Nbd7 10. d3 a5 11. cxd5 cxd5 12. Qd2 Qb6 13. Rfc1 Rfc8 14. Ne3 Bxf3 15. Bxf3 Ne5 16. Bg2 Nc6 17. Nc2 Rc7 18. e4 Rd8 19. Qe3 d4 20. Qd2 Rdc8 21. Na3 Qb4 22. Qxb4 Nxb4 23. Rxc7 Rxc7 24. Nb5 Rc2 25. Nxd4 Rxa2 26. Rc1 g5 27. Bf1 Ng4 28. Be2 Ne5 29. Rc5 Nbxd3 30. Bxd3 Nxd3 31. Rxg5+ Kf8 32. f4 a4 33. bxa4 Rxa4 34. Nf3 Rxe4 35. Rh5 Re3 36. Kg2 Re2+ 37. Kh3 Nf2+ 38. Kh4 Ne4 39. Kh3 Rf2 40. Nd4 Rd2 41. Nf3 Rd5 42. Rxh7 Kg8 43. Rh4 b5 44. Rg4+ Kf8 45. Rh4 Kg7 46. Rg4+ Kf8 47. Rh4 Nf6 48. Rh8+ Ng8 49. Rh7 Rd7 50. Rh5 f5 51. Ng5 1/2-1/2

[Event "Vinkovci"]
[Site "Vinkovci"]
[Date "1968.09.07"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Byrne, Donald"]
[Result "1-0"]
[ECO "D82"]
[PlyCount "79"]
[EventDate "1968.09.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qa4+ Nc6 6. e4 Nh5 7. cxd5 Nxf4 8. dxc6 0-0 9. 0-0-0 bxc6 10. g3 Ne6 11. Nge2 Bd7 12. Qc4 Qb8 13. Bg2 Qb6 14. Rd2 Rab8 15. e5 a5 16. a3 Rfd8 17. f4 c5 18. d5 Nd4 19. Nxd4 cxd4 20. Qxd4 Qb3 21. Bf1 c5 22. Qc4 Qb6 23. Bd3 f6 24. e6 Be8 25. g4 Bh6 26. h4 Qb3 27. Qe4 c4 28. Bb1 Bg7 29. Rh3 Qb6 30. Qe3 Qc7 31. f5 Rb3 32. h5 Rdb8 33. Ba2 R3b6 34. hxg6 hxg6 35. Rhh2 Qe5 36. Qxe5 fxe5 37. Ne4 Ba4 38. d6 exd6 39. Rxd6 Rxd6 40. Nxd6 1-0

[Event "USA-ch 1966/67 Rosenwald Trophy"]
[Site "New York"]
[Date "1967.01.01"]
[Round "11"]
[White "Zuckerman, Bernard"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "94"]
[EventDate "1966.12.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 Bg7 8. Bc4 0-0 9. Bb3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. h4 a5 13. a4 bxa4 14. Nxa4 Be6 15. Bxe6 fxe6 16. 0-0 Qc7 17. Ra3 Nxe4 18. fxe4 Rxf1+ 19. Kxf1 Qc4+ 20. Qd3 Qxd4 21. Qxd4 Bxd4 22. Rb3 Rf8+ 23. Ke2 Rf2+ 24. Kd3 Be5 25. Rb5 Rxg2 26. Rxa5 Rg3+ 27. Kc4 Re3 28. Rxe5 dxe5 29. Nc5 Re2 30. Kd3 Rh2 31. b4 Kf7 32. Nd7 Rxh4 33. Nxe5+ Ke8 34. c4 Rh3+ 35. Kd4 Rb3 36. b5 g5 37. Kc5 h5 38. Kc6 g4 39. b6 g3 40. b7 h4 41. Nd7 g2 42. Nb6 Rxb6+ 43. Kxb6 g1Q+ 44. c5 Kd7 45. b8Q Qb1+ 46. Ka7 Qxb8+ 47. Kxb8 Kc6 0-1

[Event "USA-ch 1966/67 Rosenwald Trophy"]
[Site "New York"]
[Date "1966.12.29"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Byrne, Robert Eugene"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "83"]
[EventDate "1966.12.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e6 6. Nf3 Nge7 7. 0-0 0-0 8. Bf4 d6 9. Qc1 b6 10. Rb1 Bb7 11. a3 Qd7 12. b4 Rad8 13. Re1 f5 14. Nb5 e5 15. Bh6 f4 16. Bxg7 Kxg7 17. bxc5 dxc5 18. Qb2 Qf5 19. Nxe5 Nxe5 20. Bxb7 Rf6 21. Nc3 fxg3 22. fxg3 Qf2+ 23. Kh1 Ng4 24. Bg2 Nf5 25. Ne4 Qe3 26. Rf1 Qh6 27. h3 Rd4 28. Rf3 Re6 29. Rbf1 Ne5 30. Rxf5 gxf5 31. Rxf5 Qe3 32. Kh2 h6 33. a4 Kg6 34. Rf4 Rd7 35. Nc3 Nf7 36. Be4+ Kg7 37. Bf5 Rd4 38. Bxe6 Rxf4 39. Ne4+ Kf8 40. gxf4 Qxf4+ 41. Kg2 Ne5 42. Qd2 1-0

