CANBASE Event USA-op (1981)

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "2"] [White "Biyiasas, Peter"] [Black "Roloff, Richard"] [Result "1-0"] [WhiteElo "2527"] [BlackElo "2383"] [ECO "C49"] [EventDate "1981.12.??"] [PlyCount "45"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211914736"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bxc6 Bxc3 8. Bxb7 Bxb2 9. Rb1 Bxb7 10. Rxb2 Bc6 11. Bg5 h6 12. Bh4 Rb8 13. Rxb8 Qxb8 14. Bxf6 gxf6 15. Nh4 Bd7 16. f4 Qb6+ 17. Kh1 Kg7 18. h3 Rh8 19. fxe5 fxe5 20. Qh5 Be6 21. Nf5+ Kf8 22. Nxh6 Rh7 23. Qg5 1-0

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "3"] [White "Abbott, William"] [Black "Biyiasas, Peter"] [Result "0-1"] [WhiteElo "2140"] [BlackElo "2527"] [ECO "C69"] [EventDate "1981.12.??"] [PlyCount "72"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211922951"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 c5 9. Ne2 Bd7 10. Nbc3 O-O-O 11. Be3 Bd6 12. Rad1 Ne7 13. Nf4 b6 14. f3 Be5 15. Nfe2 Rhe8 16. f4 Bd6 17. Ng3 Bc6 18. Rde1 Ng6 19. Nf5 Bf8 20. Bc1 b5 21. Ng3 c4 22. Kf2 Bb4 23. Re2 Bc5+ 24. Be3 Bd6 25. Kf3 Ne7 26. Kf2 b4 27. Nb1 c3 28. Rd1 Bb5 29. Ree1 cxb2 30. Nd2 Ng6 31. Kf3 c5 32. Nf5 Bf8 33. Nb1 a5 34. a3 Ba4 35. axb4 Rxd1 36. Rxd1 Bxc2 0-1

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "4"] [White "Biyiasas, Peter"] [Black "Weissbein, Thomas"] [Result "1-0"] [WhiteElo "2527"] [BlackElo "2241"] [ECO "A26"] [EventDate "1981.12.??"] [PlyCount "101"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211922979"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 d6 2. Nc3 g6 3. g3 Bg7 4. Bg2 e5 5. Nge2 Nc6 6. O-O Nge7 7. d3 Be6 8. Nd5 O-O 9. c4 Nd4 10. Nxd4 exd4 11. f4 Nc6 12. Bd2 f5 13. b4 fxe4 14. Bxe4 Qd7 15. b5 Nd8 16. Nb4 Bf5 17. Bd5+ Be6 18. Bh1 Bg4 19. Bf3 Bxf3 20. Qxf3 c5 21. Nd5 Ne6 22. Rae1 Rae8 23. Qg4 Qf7 24. Qf3 Kh8 25. a4 Nd8 26. Ba5 b6 27. Bd2 Nb7 28. Qg4 Na5 29. Bxa5 bxa5 30. Qf3 Re6 31. Rxe6 Qxe6 32. Qf2 Qf5 33. Qe2 h5 34. Kg2 Bf6 35. Re1 Kg7 36. h3 Kf7 37. Qf3 Qd7 38. g4 hxg4 39. hxg4 Rh8 40. Rh1 Rxh1 41. Kxh1 Qe6 42. Qd1 Bh4 43. Kg2 g5 44. Qf3 Kg7 45. Qd1 gxf4 46. Nxf4 Qe3 47. Nh5+ Kg8 48. Qf3 Bg5 49. Qxe3 dxe3 50. Ng3 Bh4 51. Kf3 1-0

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "7"] [White "Gurevich, Dmitry"] [Black "Biyiasas, Peter"] [Result "1-0"] [WhiteElo "2466"] [BlackElo "2527"] [ECO "E61"] [EventDate "1981.12.??"] [PlyCount "75"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211923100"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Be2 h6 8. Bh4 g5 9. Bg3 Nh5 10. Qc2 e6 11. Nd2 Nxg3 12. hxg3 f5 13. g4 Nf6 14. O-O-O Nxg4 15. Bxg4 fxg4 16. Nde4 Bd7 17. Rh2 Qe8 18. Nxg5 Rf5 19. Nge4 Qf7 20. f3 Rh5 21. Rxh5 Qxh5 22. Ng3 Qg5 23. f4 Qh4 24. Nce4 Qe7 25. Qe2 Qf7 26. Qxg4 e5 27. Nf6+ Qxf6 28. Qxd7 exd4 29. Nh5 Qf7 30. Qxf7+ Kxf7 31. Nxg7 Kxg7 32. Rxd4 Kf6 33. Kd1 Rg8 34. Rd2 Kf5 35. Ke1 h5 36. Kf2 h4 37. Rd5+ Ke4 38. Rh5 1-0

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "8"] [White "Biyiasas, Peter"] [Black "Algeo, Tom"] [Result "1-0"] [WhiteElo "2627"] [BlackElo "2248"] [ECO "A04"] [EventDate "1981.12.??"] [PlyCount "82"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211923131"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. Nc3 O-O 8. Be3 Nd4 9. Qd2 d6 10. Bh6 e5 11. Bxg7 Kxg7 12. Nh4 f6 13. f4 Rb8 14. fxe5 dxe5 15. Rf2 Be6 16. Nd1 Qd7 17. Ne3 Rbd8 18. b3 b5 19. c3 Ndc6 20. Rd1 b4 21. c4 Nd4 22. Rdf1 g5 23. Nf3 Nxf3+ 24. Rxf3 g4 25. R3f2 Qxd3 26. Qc1 Qd6 27. Nd5 Ng8 28. Nxf6 Qd4 29. Kh1 Kg6 30. Nxg4 Rxf2 31. Nxf2 Qd2 32. Qa1 Qd4 33. Qb1 Rf8 34. Qe1 Nh6 35. Qe2 a5 36. Bf3 Qc3 37. Nd1 Qd4 38. Ne3 a4 39. bxa4 Bc8 40. Kg2 Bb7 41. Nf5 Ba6 1-0

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "9"] [White "Whitehead, Paul"] [Black "Biyiasas, Peter"] [Result "1/2-1/2"] [WhiteElo "2403"] [BlackElo "2527"] [ECO "C91"] [EventDate "1981.12.??"] [PlyCount "78"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211923195"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 d5 11. exd5 Nxd5 12. dxe5 Nxe3 13. Rxe3 Bc5 14. Re1 Qe7 15. Nbd2 Rad8 16. Qc2 Bh5 17. Qe4 Na5 18. Bd1 Bg6 19. Qf4 Bb6 20. b4 Nc6 21. a4 Rd3 22. Rc1 Nd8 23. axb5 Ne6 24. Qg3 Rfd8 25. Nc4 axb5 26. Nxb6 cxb6 27. Be2 R3d5 28. Nh4 Qc7 29. f4 Bd3 30. Bf3 R5d7 31. f5 Nf8 32. f6 Bg6 33. Nxg6 hxg6 34. Qh4 Ne6 35. fxg7 Nxg7 36. Bg4 Qc4 37. Qh3 Re7 38. Be2 Qf4 39. Bxb5 Rxe5 1/2-1/2

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "11"] [White "Kastner, Jeffrey"] [Black "Biyiasas, Peter"] [Result "0-1"] [WhiteElo "2344"] [BlackElo "2527"] [ECO "A49"] [EventDate "1981.12.??"] [PlyCount "148"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211931432"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nbd7 7. O-O e5 8. dxe5 Ng4 9. Nc3 dxe5 10. Nd2 Nh6 11. Nc4 f6 12. a4 Nf7 13. a5 a6 14. Qd5 f5 15. e4 f4 16. Ba3 Re8 17. Rad1 Qg5 18. Qd3 Nf6 19. Nd5 Nxd5 20. exd5 Bf5 21. Be4 Rad8 22. d6 cxd6 23. Bxf5 gxf5 24. Nxd6 Nxd6 25. Bxd6 Kh8 26. Qf3 fxg3 27. hxg3 f4 28. Kg2 fxg3 29. fxg3 Qg6 30. Bb4 Qxc2+ 31. Kh1 Qg6 32. Rxd8 Rxd8 33. Be7 e4 34. Qf5 Qxf5 35. Rxf5 e3 36. Kg2 e2 37. Bb4 Rd3 38. Kf2 Rxb3 39. Bd2 Bc3 40. Bxc3+ Rxc3 41. Rf7 Rxg3 42. Rxb7 Re3 43. Ke1 Re5 44. Rb6 Rxa5 45. Kxe2 Kg7 46. Kf3 Rf5+ 47. Kg2 Rf6 48. Rb7+ Kg6 49. Ra7 h6 50. Ra8 Kf5 51. Kf3 h5 52. Kg3 Kg5 53. Rg8+ Rg6 54. Ra8 Kh6+ 55. Kf4 Rf6+ 56. Kg3 Kg5 57. Rg8+ Rg6 58. Ra8 h4+ 59. Kh3 Rh6 60. Rf8 Rf6 61. Rg8+ Kf4 62. Rg4+ Kf3 63. Rxh4 a5 64. Kh2 Ra6 65. Ra4 Kf2 66. Kh3 Ke3 67. Kg2 Kd3 68. Kf2 Kc3 69. Ke2 Kb3 70. Ra1 a4 71. Rb1+ Kc2 72. Rb8 a3 73. Rc8+ Kb3 74. Rb8+ Ka4 0-1

[Event "USA-op"] [Site "Palo Alto USA"] [Date "1981.??.??"] [Round "12"] [White "Biyiasas, Peter"] [Black "Meyer, John"] [Result "1/2-1/2"] [WhiteElo "2527"] [BlackElo "2417"] [ECO "B52"] [EventDate "1981.12.??"] [PlyCount "47"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "2129405211931459"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.18"] [SourceVersion "1"] [SourceVersionDate "1999.11.18"] [SourceQuality "1"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O e6 6. c3 Nf6 7. Qe2 Nc6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Be3 Be7 12. Ne1 h6 13. Nd3 O-O 14. f3 Ng5 15. Nd2 f6 16. exf6 Bxf6 17. Nb3 Rae8 18. Qd2 Nf7 19. Nbc5 Qc8 20. Nb3 Nd6 21. Bf2 Nc4 22. Qe2 a5 23. a4 Qc7 24. Qc2 1/2-1/2