[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Ahmadi, K."]
[Black "Oka, M."]
[Result "1-0"]
[ECO "E84"]
[PlyCount "59"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Bh6 b5 10. h4 e5 11. Bxg7 Kxg7 12. d5 Na5 13. Ng3 bxc4 14. h5 Rh8 15. h6+ Kf8 16. 0-0-0 Ke7 17. Be2 Nd7 18. Rdf1 Nb6 19. f4 f6 20. fxe5 dxe5 21. Rxf6 Kxf6 22. Rf1+ Ke7 23. Qg5+ Kd6 24. Rf6+ Be6 25. Rxe6+ Kd7 26. Qg4 c6 27. d6 c5 28. Nd5 Kc6 29. d7+ Kxd7 30. Rxb6+ 1-0

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Hilliard, John"]
[Black "Oka, M."]
[Result "0-1"]
[ECO "D00"]
[PlyCount "66"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 d5 4. e3 Nbd7 5. Bd3 Be7 6. f4 c5 7. c3 b6 8. Ngf3 Bb7 9. Bxf6 gxf6 10. Qe2 Qc7 11. Ba6 0-0-0 12. 0-0-0 c4 13. Bxb7+ Kxb7 14. e4 Rhe8 15. g3 b5 16. Kb1 Nb6 17. Rhe1 h6 18. Nf1 a5 19. Qc2 b4 20. Ne3 bxc3 21. bxc3 Ba3 22. Ka1 Qc6 23. Rb1 Ka6 24. Nd2 Rb8 25. Ng4 Na4 26. exd5 exd5 27. Rxe8 Rxb1+ 28. Kxb1 Qxe8 29. Nf2 Qb5+ 30. Nb3 cxb3 31. axb3 Bf8 32. Ka2 Nb6 33. Nd3 a4 0-1

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Oka, M."]
[Black "Ferido, D."]
[Result "1-0"]
[ECO "B51"]
[PlyCount "109"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 e6 8. d4 cxd4 9. cxd4 b5 10. Bb3 Na5 11. e5 Nxb3 12. Qxb3 Nd5 13. exd6 Bc6 14. Ne5 Qxd6 15. Qf3 Ra7 16. Nc3 Nb4 17. Nxc6 Qxc6 18. d5 Qb7 19. Qe4 Be7 20. dxe6 0-0 21. exf7+ Rxf7 22. Qxb7 Rxb7 23. Re2 Rd7 24. Be3 Rd8 25. a3 Nc6 26. Rae1 Bf6 27. Bc5 Rfd7 28. f3 Kf7 29. Ne4 Nd4 30. Bxd4 Bxd4+ 31. Kf1 Bb6 32. Rc1 Bc7 33. h3 Bf4 34. Rc6 a5 35. Rc5 Rd1+ 36. Kf2 R8d5 37. Rec2 Bb8 38. Rc8 Be5 39. Ke2 Rg1 40. Kf2 Rdd1 41. Re2 Rgf1+ 42. Ke3 h6 43. Rcc2 b4 44. axb4 axb4 45. Rcd2 g5 46. Kd3 Rc1 47. Rc2 Rfd1+ 48. Kc4 Bxb2 49. Kxb4 Rb1 50. Rxb2 Rbc1 51. Rbc2 Rb1+ 52. Kc4 Rb8 53. Red2 Rc8+ 54. Kd3 Rd8+ 55. Ke2 1-0

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Oka, M."]
[Black "Grey, Peter G"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "67"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Nc6 7. Bc2 Be7 8. 0-0 cxd4 9. cxd4 0-0 10. Nc3 Qd6 11. a3 Rd8 12. Be3 e5 13. Nb5 Qb8 14. Qe2 a6 15. dxe5 Ng4 16. Nbd4 Ncxe5 17. h3 Nxf3+ 18. Nxf3 Nxe3 19. Qxe3 Bf6 20. Ng5 Bxg5 21. Qxg5 Be6 22. Rad1 Qc7 23. Qh4 g6 24. Qf6 Bd5 25. Rc1 Qd6 26. Qg5 Kg7 27. Rfd1 h6 28. Qe3 Qf6 29. Qd4 Bc6 30. Qb4 Rxd1+ 31. Rxd1 Rd8 32. Rxd8 Qxd8 33. Be4 Qf6 34. Bxc6 1/2-1/2

