[Event "Greenhills op"]
[Site "Greenhills"]
[Date "1997.??.??"]
[Round "4"]
[White "Biron, Roberto"]
[Black "Datu, Idelfonso"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "100"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PHI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Nb3 Be6 9. Be3 b6 10. N1d2 0-0-0 11. a4 a5 12. Nc1 Ne7 13. Nd3 f6 14. Nf4 Bf7 15. 0-0-0 Nc6 16. Nb1 Bd6 17. Nc3 Rhe8 18. f3 Nd4 19. Kb1 c6 20. Nce2 g5 21. Bxd4 cxd4 22. Nd3 c5 23. Nf2 h5 24. h4 Bc4 25. Nd3 Rg8 26. b3 Bf7 27. hxg5 Rxg5 28. g4 hxg4 29. f4 Rgg8 30. Rh6 Rg6 31. Rdh1 Re8 32. Ng3 Bc7 33. Kc1 Kb7 34. Kd1 Reg8 35. Rh7 R8g7 36. Rxg7 Rxg7 37. Rh6 Rg6 38. Rh1 c4 39. bxc4 Bxc4 40. Ne2 g3 41. Rh4 g2 42. Ng1 Rg3 43. Kd2 Bxd3 44. cxd3 b5 45. axb5 a4 46. e5 fxe5 47. fxe5 Bxe5 48. Re4 Re3 49. Rg4 a3 50. Kc2 Re1 0-1

[Event "Greenhills op"]
[Site "Greenhills"]
[Date "1997.??.??"]
[Round "6"]
[White "Biron, Roberto"]
[Black "De Guzman, Ricardo"]
[Result "0-1"]
[ECO "C99"]
[BlackElo "2400"]
[PlyCount "162"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PHI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. a3 Bd7 15. b4 Rac8 16. Bd3 exd4 17. Bb2 Ne5 18. Bb1 d3 19. Nxe5 dxe5 20. Nf3 Bd6 21. Bxd3 Bc6 22. Rc1 Qe7 23. Qc2 Bd7 24. Qd2 Nh5 25. Bf1 Bc6 26. Red1 Bb8 27. Qc2 Bb7 28. Qb1 Nf6 29. Re1 Nd7 30. Qa1 Rxc1 31. Qxc1 Rc8 32. Qa1 f6 33. Nh4 Nb6 34. Qd1 Qe6 35. Nf5 g6 36. Nh6+ Kg7 37. Ng4 h5 38. Nh2 Qd6 39. Qe2 Na4 40. Ba1 Ba7 41. g4 hxg4 42. Nxg4 Rd8 43. Qf3 Bc8 44. Rd1 Bd4 45. Ne3 Qe6 46. Qg3 Qb6 47. Nd5 Qd6 48. Bxd4 exd4 49. Qxd6 Rxd6 50. Rxd4 Nc3 51. Bd3 Bxh3 52. f3 Kf7 53. a4 Nxa4 54. Kf2 Be6 55. Ke3 Bxd5 56. Rxd5 Ke6 57. Kd4 Nb6 58. Rxd6+ Kxd6 59. f4 Nd7 60. Bf1 g5 61. fxg5 fxg5 62. Bh3 Ne5 63. Bc8 Nc6+ 64. Kc3 a5 65. bxa5 Nxa5 66. Ba6 Kc5 67. Kd3 Nc4 68. Bc8 Ne5+ 69. Ke3 Kc4 70. Ba6 Kc5 71. Bc8 b4 72. Be6 Nc4+ 73. Kd3 Ne5+ 74. Ke3 g4 75. Kf4 Kd4 76. Bd5 Kc3 77. Kxe5 g3 78. Kd6 g2 79. e5 g1Q 80. Bc6 Qg3 81. Kd7 Kc4 0-1

