[Event "National op"]
[Site "Las Vegas"]
[Date "1997.??.??"]
[Round "1"]
[White "Yamanaka, Keith"]
[Black "Perdomo, Carlos Andres"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2040"]
[BlackElo "2380"]
[PlyCount "77"]
[EventDate "1997.08.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 b6 3. g3 Bb7 4. Nc3 Nf6 5. Bg2 c5 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 a6 10. e4 d6 11. f3 0-0 12. Be3 Qc7 13. Rc1 Nbd7 14. Qe2 Qb7 15. Rfd1 Rfc8 16. g4 Rc7 17. g5 Ne8 18. h4 Rac8 19. h5 Rxc4 20. g6 Nf8 21. gxf7+ Kxf7 22. f4 b5 23. a3 b4 24. axb4 Rxb4 25. b3 Bf6 26. f5 Rxc3 27. Rxc3 Qxe4+ 28. Qf3 Qxf3+ 29. Kxf3 e5 30. Nc6 e4+ 31. Kf4 Bxc3 32. Nxb4 Bxb4 33. Bd2 Bxd2+ 34. Rxd2 Nd7 35. b4 Ndf6 36. h6 gxh6 37. Rh2 Nc7 38. Ra2 Ncd5+ 39. Kg3 0-1

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "4"]
[White "Bartron, Paul"]
[Black "Yamanaka, Keith"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "135"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4 Bf5 5. f3 exf3 6. Nxf3 e6 7. 0-0 Be7 8. Be3 Nd7 9. Qe2 Ngf6 10. Rad1 Nb6 11. Bb3 Bg4 12. h3 Bxf3 13. Qxf3 0-0 14. Ne2 Nbd5 15. Bc1 b5 16. c3 Qc7 17. Bc2 c5 18. g4 cxd4 19. g5 Ne8 20. Nxd4 Bc5 21. Kg2 Bxd4 22. Rxd4 g6 23. Be4 Rd8 24. Bxd5 Rxd5 25. Rxd5 exd5 26. Qxd5 Qe7 27. Qxb5 Qe4+ 28. Kg1 Nd6 29. Qd7 Nf5 30. Qd1 Ng3 31. Qf3 Qxf3 32. Rxf3 Ne2+ 33. Kf2 Nxc1 34. Ke3 Nxa2 35. Kd2 Rc8 36. Rf4 Rc5 37. Ra4 Rd5+ 38. Kc2 Nxc3 39. bxc3 Rxg5 40. Rxa7 Rh5 41. c4 Rxh3 42. c5 Re3 43. c6 Re5 44. c7 Rc5+ 45. Kd3 Kg7 46. Kd4 Rc1 47. Kd5 h5 48. Kd6 h4 49. Ra5 Rxc7 50. Kxc7 Kf6 51. Kd6 g5 52. Re5 h3 53. Kd5 h2 54. Re1 g4 55. Ke4 Kg5 56. Rh1 f5+ 57. Ke3 f4+ 58. Ke2 g3 59. Kf3 Kf5 60. Ra1 Kf6 61. Ra6+ Kg5 62. Ra1 Kh4 63. Kxf4 g2 64. Ra8 Kh5 65. Kf5 Kh6 66. Kf6 Kh7 67. Ra7+ Kg8 68. Ra8+ 1/2-1/2

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "2"]
[White "Emigh, Donald C"]
[Black "Yamanaka, Keith"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "66"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. e3 Nf6 4. Bb2 Nc6 5. Bb5 Bd7 6. 0-0 e6 7. d3 a6 8. Bxc6 Bxc6 9. Ne5 Qc7 10. Nd2 0-0-0 11. a3 h5 12. b4 Ng4 13. Nxg4 hxg4 14. f4 gxf3 15. Nxf3 d4 16. e4 cxb4 17. Qe2 bxa3 18. Bxa3 Bxa3 19. Rxa3 f5 20. Re1 fxe4 21. dxe4 g5 22. e5 Bb5 23. Qf2 Qc5 24. Raa1 g4 25. Nd2 Rhf8 26. Nb3 Qb6 27. Qd2 d3+ 28. Kh1 Rf2 29. Qc3+ Qc6 30. Qxc6+ bxc6 31. Rg1 dxc2 32. Rac1 Rxg2 33. Rxg2 Rd1+ 0-1

[Event "Washington Class-ch Master/Expert"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "1"]
[White "Frenkel, Filipp"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2205"]
[PlyCount "67"]
[EventDate "1995.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bd7 5. h4 Na6 6. h5 e6 7. c3 c5 8. f4 cxd4 9. cxd4 Qb6 10. Nc3 f6 11. Nf3 Nh6 12. Nh4 fxe5 13. fxe5 Be7 14. g5 Qd8 15. Rg1 Qb6 16. a3 0-0-0 17. b4 Nc7 18. Be3 Rdf8 19. Bd3 Nf5 20. Nxf5 exf5 21. Qf3 f4 22. Bf2 Qe6 23. Rc1 Kb8 24. Kd2 Qh3 25. Be2 Qf5 26. Rc2 g6 27. h6 Qf7 28. Bd3 Qe6 29. Bf1 a5 30. Rb2 Rf7 31. bxa5 Bxa3 32. Rb6 Qf5 33. a6 Bc6 34. Bh3 1-0

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "8"]
[White "Prothero, Jerry"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "61"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bf4 Nf6 4. e3 Be7 5. h3 Nbd7 6. Nbd2 c6 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Nd5 10. Nd6+ Bxd6 11. Bxd6 c5 12. Bb5 Ne7 13. 0-0 a6 14. Bxd7+ Bxd7 15. dxc5 Nf5 16. Ne5 Nxd6 17. Qxd6 Bb5 18. Qxd8+ Rxd8 19. c4 Bd7 20. cxb6 f6 21. Nxd7 Kxd7 22. b4 Kc6 23. c5 Rd4 24. Rfd1 Rxb4 25. Rac1 Rc8 26. Rd6+ Kb7 27. Rxe6 Rd8 28. c6+ Kc8 29. b7+ Kc7 30. Re7+ Kd6 31. Rxg7 1-0

[Event "Washington Class-ch Master/Expert"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "6"]
[White "Schemm, Michael"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "105"]
[EventDate "1995.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 d6 7. e4 fxe4 8. dxe4 e5 9. h3 Qe8 10. c3 a5 11. Nh4 Nc6 12. Nc4 Kh8 13. Nf5 Ng8 14. Nce3 g6 15. Nxe7 Ncxe7 16. Ng4 Be6 17. f4 Bc4 18. Rf2 Rd8 19. Be3 Nf6 20. b3 Be6 21. Nh6 Neg8 22. f5 Bc8 23. Qe2 Nh5 24. Kh2 Nxh6 25. Bxh6 gxf5 26. Bxf8 f4 27. g4 Ng3 28. Qc4 Qxf8 29. Qxc7 h5 30. gxh5 Rd7 31. Qb6 Rh7 32. Rd1 Rh6 33. Rfd2 f3 34. Bxf3 Qxf3 35. Qd8+ Kh7 36. Qc7+ Kh8 37. Qxc8+ Kh7 38. Qxb7+ Kh8 39. Qc8+ Kh7 40. Qg4 Nf1+ 41. Rxf1 Qxf1 42. Qf5+ Qxf5 43. exf5 Rf6 44. Kg3 Kg7 45. Kg4 Kf7 46. a4 Ke7 47. Rd5 Rf8 48. Rxa5 Rg8+ 49. Kf3 Rc8 50. c4 Rg8 51. Ke4 Rg3 52. Ra7+ Kf6 53. Rd7 1-0

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "6"]
[White "Sloan, Carl J"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "105"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. c4 e5 3. Nf3 d6 4. Nc3 Nf6 5. d4 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. Rb1 a6 9. Re1 Re8 10. b4 Bf8 11. Bf1 h6 12. a4 a5 13. b5 exd4 14. Nxd4 Qc7 15. Bf4 Nc5 16. Qc2 Nfd7 17. Bg3 Ne6 18. Nf5 g6 19. Ne3 Bg7 20. Qd2 Be5 21. Ng4 h5 22. Nxe5 dxe5 23. Rbd1 Kg7 24. Bh4 f6 25. f3 Ndc5 26. Bf2 Rd8 27. Qb2 Nd4 28. Qa3 Nce6 29. Qa2 Bd7 30. Ne2 Nxe2+ 31. Qxe2 c5 32. Be3 Nd4 33. Qf2 Be6 34. f4 Bf7 35. fxe5 fxe5 36. Bg5 Rd6 37. Qg3 Re8 38. Rd2 Qd7 39. Rf2 Qg4 40. Qe3 Qd7 41. h3 Kg8 42. Bd3 Ne6 43. Be2 Nxg5 44. Qxg5 Qe7 45. Qe3 b6 46. Ref1 Rf8 47. Qg3 Kh7 48. Rf3 Rdd8 49. Rf6 Rd6 50. R6f2 Rdd8 51. Bxh5 gxh5 52. Rf6 Rd6 53. Qg5 1-0

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "3"]
[White "Yamanaka, Keith"]
[Black "Baxter, Brent Lee"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "118"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Bd6 7. 0-0 Nbd7 8. d3 0-0 9. Nbd2 Bg6 10. Re1 e5 11. cxd5 cxd5 12. Nh4 Re8 13. Nxg6 hxg6 14. e3 Nc5 15. Bf1 e4 16. dxe4 dxe4 17. Nc4 Bc7 18. b4 Ne6 19. Bg2 Qe7 20. Bxf6 gxf6 21. Bxe4 Qxb4 22. Qb3 Qxb3 23. axb3 Nc5 24. Bf3 Nxb3 25. Rab1 Na5 26. Bxb7 Nxc4 27. Bxa8 Rxa8 28. Rec1 Nd2 29. Rb2 Ba5 30. Rc6 Rd8 31. Rb7 Bb6 32. Rxf6 Rf8 33. Rf4 Nb3 34. h4 Nc5 35. Re7 Ne6 36. Rg4 Ng7 37. Re5 Re8 38. Rd5 Re6 39. h5 Kh7 40. hxg6+ fxg6 41. Kg2 Nf5 42. e4 Nd6 43. Rh4+ Kg7 44. f3 Nf7 45. Rd7 Kf8 46. Rh7 Re7 47. Rxe7 Kxe7 48. f4 a5 49. Kf3 a4 50. Rg7 a3 51. Rg8 Nd8 52. Rh8 a2 53. Rh1 Bd4 54. g4 a1Q 55. Rxa1 Bxa1 56. g5 Ke6 57. f5+ gxf5 58. exf5+ Kxf5 59. g6 Kxg6 1/2-1/2

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "7"]
[White "Yamanaka, Keith"]
[Black "Fleury, Matthew"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "73"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. Rb1 Ne8 9. a3 a5 10. d3 Nc7 11. Bd2 Ne6 12. Nb5 Ned4 13. Nbxd4 Nxd4 14. Nxd4 Bxd4 15. Bc3 e5 16. Bxd4 cxd4 17. b4 axb4 18. axb4 Be6 19. Ra1 Qb6 20. Qb3 Ra7 21. Ra4 Rfa8 22. Rfa1 Kf8 23. R1a3 Ke7 24. Qa2 Rxa4 25. Rxa4 Rxa4 26. Qxa4 Bd7 27. Qa3 Qa6 28. Qxa6 bxa6 29. Kf1 Kd8 30. f4 f6 31. Ke2 Kc7 32. Kf3 Kb6 33. g4 a5 34. bxa5+ Kxa5 35. f5 g5 36. Ke2 Kb4 37. Kd2 1/2-1/2

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "9"]
[White "Yamanaka, Keith"]
[Black "McCready, Philip"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "26"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. e3 f5 6. Nge2 Nf6 7. d3 0-0 8. b4 Kh8 9. 0-0 g5 10. Bd2 Nc6 11. b5 Ne7 12. a4 a5 13. bxa6 Rxa6 1/2-1/2

[Event "Washington Class-ch Master/Expert"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "5"]
[White "Yamanaka, Keith"]
[Black "Reyes, Edgardo"]
[Result "0-1"]
[ECO "A12"]
[BlackElo "2065"]
[PlyCount "60"]
[EventDate "1995.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 5. Bg2 e6 6. d3 Nbd7 7. Bb2 Bb4+ 8. Nbd2 a5 9. 0-0 0-0 10. a3 Bd6 11. Qc2 Re8 12. e4 dxe4 13. Nxe4 Nxe4 14. dxe4 Qc7 15. e5 Bf8 16. Ng5 Bf5 17. Be4 h6 18. Bxf5 hxg5 19. Bh7+ Kh8 20. Rad1 Nxe5 21. Bxe5 Qxe5 22. Rd7 Re7 23. Rfd1 g6 24. Rxe7 Bxe7 25. Rd7 Qf6 26. Bxg6 fxg6 27. Rxb7 Bxa3 28. Qd3 Bc5 29. Qf1 g4 30. h3 Rf8 0-1

[Event "Washington State-ch Premier"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "5"]
[White "Yamanaka, Keith"]
[Black "Russell, Corey J"]
[Result "1/2-1/2"]
[ECO "E92"]
[BlackElo "2275"]
[PlyCount "114"]
[EventDate "1995.02.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Na6 14. 0-0-0 Nc7 15. Bb3 Be6 16. Bxe6 Nxe6 17. Be3 f6 18. Rd7 b6 19. Rhd1 Bf8 20. Rb7 Rec8+ 21. Kb1 Rd8 22. Rxd8 Nxd8 23. Rd7 Ne6 24. Ne1 Bc5 25. Rd3 Bxe3 26. Rxe3 Rc8 27. Rc3 Rxc3 28. bxc3 Nf4 29. Kc2 Kf7 30. Kd2 Ke7 31. g3 Ne6 32. Nc2 Ng5 33. Ke3 a5 34. f4 Nf7 35. h4 Kd6 36. Kd3 Kc5 37. Ne3 exf4 38. gxf4 Nd6 39. Ng4 f5 40. Nf6 fxe4+ 41. Nxe4+ Nxe4 42. Kxe4 Kc4 43. h5 b5 44. hxg6 hxg6 45. Ke5 Kxc3 46. Kf6 b4 47. Kxg6 a4 48. f5 b3 49. axb3 axb3 50. f6 b2 51. f7 b1Q+ 52. Kg7 Qg1+ 53. Kh8 Qd4+ 54. Kg8 Qg4+ 55. Kh8 Qf5 56. Kg8 Qg6+ 57. Kh8 Qxf7 1/2-1/2

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "4"]
[White "Bartron, Paul"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "71"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4 Bf5 5. f3 exf3 6. Nxf3 e6 7. 0-0 Be7 8. Ne5 Bg6 9. Be3 Bf6 10. Nxg6 hxg6 11. Qf3 Qc7 12. h3 Nd7 13. Rad1 Nb6 14. Bb3 0-0-0 15. Bf4 Qe7 16. Ne2 Nd5 17. Bh2 Nh6 18. c4 Nc7 19. Kh1 Nf5 20. Bg1 e5 21. d5 e4 22. Qf2 Bh4 23. Qxa7 Ng3+ 24. Nxg3 Bxg3 25. dxc6 bxc6 26. c5 e3 27. Rxd8+ Qxd8 28. Rxf7 Re8 29. Bc4 Re7 30. Ba6+ Kd7 31. Rf3 Bf2 32. Bxf2 exf2 33. Rd3+ Ke6 34. Rxd8 Nb5 35. Qxe7+ Kxe7 36. Bxb5 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "8"]
[White "Baxter, Brent Lee"]
[Black "Yamanaka, Keith"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "97"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. f4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bb5 Qb6 9. c4 a6 10. Bxc6+ Qxc6 11. d3 Be7 12. Nd2 0-0 13. g4 Rfd8 14. g5 Ne8 15. Rd1 Rac8 16. h4 b5 17. g6 fxg6 18. h5 dxc4 19. hxg6 Rxd3 20. gxh7+ Kh8 21. Qxc6 Rxc6 22. Nf3 Rxd1+ 23. Kxd1 Bf6 24. Bxf6 gxf6 25. Nh4 Rd6+ 26. Ke2 Kxh7 27. Nf5+ Kg6 28. Nxd6 Nxd6 29. bxc4 Nxc4 30. e4 Nd6 31. Kd3 f5 32. Rg1+ Kf7 33. exf5 exf5 34. Rg5 Ke6 35. Rg8 a5 36. Rb8 a4 37. a3 Kd5 38. Rd8 Kc6 39. Rf8 Kc7 40. Kc2 Kd7 41. Kc3 Ke6 42. Rb8 Kd7 43. Rf8 Kc7 44. Kd3 Kb6 45. Kc3 Nc4 46. Rf6+ Kc7 47. Rxf5 Kd6 48. Rf6+ Kd7 49. Rf5 1/2-1/2

[Event "Seattle op"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "7"]
[White "Fleury, Matthew"]
[Black "Yamanaka, Keith"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h5 7. Bd3 Bxd3 8. Qxd3 hxg4 9. fxg4 e6 10. Bg5 Qb6 11. Nc3 c5 12. Nge2 Nc6 13. Rf1 cxd4 14. Nb5 Nxe5 15. Qxd4 Qxb5 16. Qxe5 Qb4+ 17. c3 Qd6 18. Qe3 Be7 19. Bf4 Qa6 20. Kd2 Nf6 21. g5 Ne4+ 22. Kc2 Rxh4 23. Rh1 Rxh1 24. Rxh1 0-0-0 25. Ng3 Qxa2 26. Nxe4 Qa4+ 27. Kb1 Qxe4+ 28. Qxe4 dxe4 29. Rh7 Rg8 30. Kc2 Kd8 31. Kd2 f5 32. gxf6 gxf6 33. Ke3 Rg2 0-1

[Event "Seattle op"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "5"]
[White "Franett, Michael"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "79"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. g3 Bb4+ 5. Nbd2 0-0 6. Bg2 Nbd7 7. 0-0 c6 8. Qc2 b6 9. e4 Bb7 10. a3 Be7 11. b4 dxe4 12. Nxe4 c5 13. Nxf6+ Bxf6 14. bxc5 bxc5 15. Rb1 Rb8 16. d5 Ba6 17. Rxb8 Qxb8 18. dxe6 fxe6 19. Bh3 Qd6 20. Rd1 Qc6 21. Qe2 Re8 22. Bg2 Nb6 23. Ne5 Qa4 24. Bc6 Bxc4 25. Qh5 g6 26. Bxa4 gxh5 27. Bxe8 Bxe5 28. Be3 Bb3 29. Re1 Bd4 30. Bxd4 cxd4 31. Bb5 Nc4 32. Bxc4 Bxc4 33. Re4 e5 34. Rxe5 d3 35. Re8+ Kf7 36. Rd8 Ke6 37. f4 Bd5 38. Kf2 Bc4 39. Ke3 Kf5 40. Rd4 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "1"]
[White "Hinrichsen, Greg"]
[Black "Yamanaka, Keith"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "47"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. Ne5 Bh5 11. Qc2 Bd6 12. Bg3 Qc7 13. Ndf3 Bg6 14. Nxg6 hxg6 15. Bxd6 Qxd6 16. Qe2 Qf4 17. g3 Qg4 18. Ne5 Qh3 19. Nxc6 bxc6 20. 0-0-0 Qh5 21. Qc2 Qf3 22. h4 g5 23. Be2 Qe4 24. Bd3 1/2-1/2

[Event "Seattle op"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "1"]
[White "Pupols, Viktors"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2270"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 e6 5. d3 Be7 6. Nbd2 0-0 7. e4 Nc6 8. Re1 b5 9. a4 bxa4 10. Rxa4 Bd7 11. Ra1 Qc7 12. Nf1 dxe4 13. dxe4 Rfd8 14. c3 Na5 15. Qc2 Bb5 16. e5 Nd5 17. Bg5 Rab8 18. N1d2 h6 19. Bxe7 Nxe7 20. c4 Bc6 21. Ra3 Nf5 22. b3 Nd4 23. Nxd4 Rxd4 24. Nf3 Rd7 25. Qc3 Bxf3 26. Qxf3 Qb6 27. Re3 Nxc4 28. bxc4 Qb1+ 29. Bf1 Rd1 30. Rxa7 Rxf1+ 31. Kg2 Rg1+ 32. Kh3 Qf1+ 33. Kg4 h5+ 34. Kg5 Rf8 35. Re4 Rg2 36. Rf4 Rxh2 37. Raxf7 Rxf7 38. Rxf7 Qc1+ 39. Qf4 Qb1 40. Qf3 Kh7 41. Rxg7+ Kxg7 42. Qf6+ Kg8 43. Qxe6+ Kf8 44. Qc8+ Kg7 45. Qd7+ Kg8 46. Qe8+ Kg7 47. Qe7+ Kg8 48. Kh6 Qb6+ 49. e6 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "2"]
[White "Reyes, Edgardo"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "53"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 Bxc3 7. bxc3 d6 8. d3 Bd7 9. Rb1 b6 10. e4 Qc8 11. Bg5 Nh5 12. Nh4 f6 13. Be3 g6 14. f4 Bg4 15. Bf3 Bxf3 16. Qxf3 Ng7 17. f5 g5 18. Ng2 Qe8 19. Rb2 Nh5 20. Bc1 Kh8 21. Ne3 Na5 22. Rg2 Ng7 23. h4 h6 24. hxg5 fxg5 25. f6 Ne6 26. f7 Qd7 27. Qh5 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "6"]
[White "Villegas Rodriguez, Luis"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "31"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ndf6 6. Ng5 g6 7. N1f3 Bg4 8. c3 Bg7 9. Qb3 Qd5 10. Bc4 Bxf3 11. Bxd5 Bxd5 12. Qxb7 Rd8 13. 0-0 Nh6 14. c4 Rd7 15. Qc8+ Rd8 16. Qa6 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "5"]
[White "Yamanaka, Keith"]
[Black "Akin, Marc"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "98"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d6 4. Nc3 c6 5. d3 Be7 6. Nf3 0-0 7. 0-0 Nbd7 8. Bd2 Re8 9. b4 d5 10. cxd5 cxd5 11. Qb3 d4 12. Ng5 Rf8 13. Nce4 h6 14. Nxf6+ Nxf6 15. Ne4 Nxe4 16. Bxe4 Be6 17. Qb2 Qb6 18. Rfc1 Rac8 19. a4 a5 20. b5 Bc5 21. Rc2 Rc7 22. Rac1 Rfc8 23. Qb1 Bh3 24. Bg2 Bxg2 25. Kxg2 Qa7 26. b6 Qxb6 27. Rxc5 Qxb1 28. Rxc7 Qb3 29. Rxc8+ Kh7 30. Bxa5 Qd5+ 31. Kg1 Qxa5 32. R8c4 b5 33. axb5 Qxb5 34. Rc5 Qb2 35. R1c2 Qa1+ 36. Rc1 Qa2 37. R1c2 Qe6 38. Rc6 Qg4 39. Rc7 f5 40. f3 Qg5 41. Kf1 e4 42. dxe4 fxe4 43. fxe4 Qe5 44. Rd7 Qxe4 45. Rcc7 Qh1+ 46. Kf2 Qxh2+ 47. Kf3 Qh5+ 48. Kf2 Qf5+ 49. Ke1 Qb1+ 1/2-1/2

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "7"]
[White "Yamanaka, Keith"]
[Black "Arganian, David G"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "76"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 c6 6. Bg5 Be7 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. Bh6 Bf8 12. Bg5 Be7 13. Bh6 Ng4 14. Bg7 Rg8 15. Be5 Ngxe5 16. Nxe5 Nxe5 17. dxe5 Qc7 18. f4 0-0-0 19. 0-0-0 f6 20. Qd4 fxe5 21. Qxa7 b5 22. Qxc7+ Kxc7 23. g3 Bc5 24. Rde1 Ra8 25. a3 b4 26. axb4 Bxb4 27. fxe5 Rge8 28. Ref1 Rxe5 29. Rf7+ Kb6 30. Kd2 Rae8 31. Rxh7 Rxe3 32. Kc2 Bxc3 33. bxc3 Re2+ 34. Kb1 Rb8 35. Rg7 Kc5+ 36. Ka1 Kc4 37. Rxg6 Ra8+ 38. Kb1 Kb3 0-1

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "9"]
[White "Yamanaka, Keith"]
[Black "Marshall, Daniel E"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "177"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. Nf3 Bb4 5. Qb3 Na6 6. Be2 Ne7 7. 0-0 0-0 8. d3 d5 9. exd5 exd5 10. Bg5 d4 11. Nb5 Bc5 12. Qa4 Re8 13. Rfe1 h6 14. Bd2 Nf5 15. b4 Bf8 16. g4 Nh4 17. Nbxd4 Rxe2 18. Rxe2 Nxf3+ 19. Nxf3 Bxf3 20. Re3 Qd4 21. Rxf3 Qxa1+ 22. Kg2 Qb2 23. Qd7 Qxd2 24. Qxf7+ Kh8 25. h4 Qxb4 26. g5 Qe7 27. Qg6 Qd6 28. Qf7 Kh7 29. Rf6 Qxf6 30. gxf6 Rd8 31. h5 Kh8 32. Qe6 Nc5 33. Qe5 Bd6 34. fxg7+ Kg8 35. Qf6 Rd7 36. Qxh6 Rxg7+ 37. Kf1 Nxd3 38. Qe6+ Kh8 39. Qe8+ Rg8 40. Qe3 Nf4 41. Qd4+ Kh7 42. Qe3 Rf8 43. Qe4+ Kh6 44. Ke1 Nxh5 45. f3 Nf4 46. Qc6 Nd3+ 47. Ke2 Nc5 48. Qd5 Kg6 49. Qd4 Rf6 50. Qd5 Re6+ 51. Kf2 a5 52. Qd4 Re5 53. Qg4+ Kf7 54. f4 Ne4+ 55. Kf3 Nf6 56. Qh3 Re4 57. f5 Rxc4 58. Ke2 Re4+ 59. Kd1 a4 60. Qg2 Rg4 61. Qe2 Re4 62. Qg2 Ng4 63. Kc1 Ba3+ 64. Kd2 Bb4+ 65. Kd3 Rf4 66. Qd5+ Kf6 67. Qe6+ Kg5 68. Qg6+ Kh4 69. Qh7+ Kg3 70. Qxc7 Bc5 71. Ke2 Bd4 72. Qb8 Be5 73. Qxb6 Rf2+ 74. Kd3 Rxa2 75. Qg1+ Kf4 76. Qc1+ Kxf5 77. Qc8+ Kf6 78. Qf8+ Ke6 79. Qg8+ Kd6 80. Qxa2 Nf6 81. Qxa4 Ke6 82. Qb5 Kf5 83. Ke3 Ng4+ 84. Kf3 Nf6 85. Qc4 Kg6 86. Qe6 Bd4 87. Qd6 Bb2 88. Kg3 Kf7 89. Qc7+ 1-0

[Event "Washington State-chB"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "3"]
[White "Yamanaka, Keith"]
[Black "Neff, Elliott"]
[Result "1/2-1/2"]
[ECO "D74"]
[PlyCount "107"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. g3 0-0 6. Bg2 dxc4 7. Qa4 Nfd7 8. Qxc4 Nb6 9. Qd3 Nc6 10. Bf4 Nb4 11. Qd1 c6 12. 0-0 Be6 13. a3 N4d5 14. Be5 f6 15. Nxd5 Nxd5 16. e4 fxe5 17. exd5 Bxd5 18. Nxe5 Bxg2 19. Kxg2 Qd5+ 20. Kg1 Rad8 21. Qg4 Bxe5 22. dxe5 Qxe5 23. Rae1 Qf6 24. Re6 Qf7 25. Qe2 Rd7 26. Re1 Qf3 27. Qxf3 Rxf3 28. Rxe7 Rxe7 29. Rxe7 Rb3 30. Re2 Kf7 31. Kg2 c5 32. Kh3 h5 33. Kh4 Kf6 34. f4 c4 35. Rc2 b5 36. h3 a6 37. a4 c3 38. bxc3 bxa4 39. Rd2 Ke6 40. Rd4 Kf6 41. Rxa4 Rxc3 42. g4 Kf7 43. Rxa6 Rf3 44. Kg5 Rxh3 45. Ra7+ Ke6 46. gxh5 gxh5 47. Ra6+ Kf7 48. Ra7+ Ke6 49. f5+ Ke5 50. Ra5+ Kd6 51. f6 Ke6 52. Ra6+ Kf7 53. Ra7+ Kf8 54. Ra8+ 1/2-1/2

[Event "Seattle op"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "3"]
[White "Yamanaka, Keith"]
[Black "Zick, David"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 Nc6 3. Bg2 e5 4. a3 d5 5. cxd5 Nxd5 6. d3 Be6 7. Nf3 Be7 8. Nc3 0-0 9. Bd2 f5 10. 0-0 Nb6 11. b4 a6 12. Rc1 g5 13. Na4 e4 14. Rxc6 bxc6 15. Ne5 Bf6 16. Nc5 Bd5 17. dxe4 fxe4 18. Ng4 Re8 19. Qc1 Nc4 20. Nxf6+ Qxf6 21. Bxg5 Qb2 22. Qf4 Rf8 23. Qh4 Qxe2 24. Bf6 Rf7 25. Bh3 Rxf6 26. Qxf6 Qh5 27. Be6+ Bxe6 28. Qxe6+ Qf7 29. Qxe4 Re8 30. Qg4+ Kh8 31. Rd1 Ne5 32. Qf4 Qh5 33. g4 Rg8 1-0

[Event "NWC op 10"]
[Site "Seattle"]
[Date "1993.??.??"]
[Round "?"]
[White "Yamanaka, Keith"]
[Black "Marshall, Daniel E"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "98"]
[EventDate "1993.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. cxd5 exd5 4. d4 Bd6 5. Nc3 c6 6. Bg5 Qb6 7. Qc1 Bf5 8. e3 Nd7 9. Bh4 Ngf6 10. Bg3 Bxg3 11. hxg3 h6 12. Be2 Ne4 13. 0-0 0-0 14. a3 Ndf6 15. Nd2 Rac8 16. Ndxe4 dxe4 17. Qd2 Rfe8 18. b4 Qd8 19. Rfe1 h5 20. f3 g6 21. fxe4 Nxe4 22. Nxe4 Bxe4 23. Bf3 Qg5 24. Qf2 Re6 25. Rac1 Rce8 26. Bxe4 Rxe4 27. Rc5 f5 28. Rc3 Rg4 29. b5 cxb5 30. Qa2+ Kg7 31. Rc7+ Re7 32. Rc8 Rf7 33. Qe6 Re4 34. Qd6 Rxe3 35. Rxe3 Qxe3+ 36. Kh2 f4 37. Qd8 fxg3+ 38. Kh3 Qe6+ 39. Kxg3 Qe3+ 40. Kh2 Qf4+ 41. Kg1 Kh6 42. d5 h4 43. Qh8+ Rh7 44. Qc3 Qd6 45. Qd2+ g5 46. Qd3 Qg3 47. Qe4 h3 48. Qe6+ Kh5 49. Qe8+ Kh6 1/2-1/2

[Event "NWC op 09"]
[Site "Seattle"]
[Date "1993.??.??"]
[Round "?"]
[White "Yamanaka, Keith"]
[Black "Pupols, Viktors"]
[Result "0-1"]
[ECO "D55"]
[BlackElo "2270"]
[PlyCount "88"]
[EventDate "1993.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 exd5 5. d4 Be7 6. Bg5 h6 7. Bxf6 Bxf6 8. Qc2 0-0 9. e3 Nc6 10. a3 Re8 11. Be2 Ne7 12. 0-0 Bf5 13. Bd3 Bxd3 14. Qxd3 c6 15. Rac1 Nc8 16. e4 dxe4 17. Nxe4 Nb6 18. Rfd1 Nd5 19. Nxf6+ Qxf6 20. Qb3 Re7 21. Ne5 Rd8 22. Qg3 Nf4 23. Kf1 Ne6 24. Qf3 Qxf3 25. Nxf3 Red7 26. Rc4 c5 27. Rd2 cxd4 28. Ne5 Rd5 29. Nd3 g5 30. g3 g4 31. Nf4 Nxf4 32. gxf4 Kg7 33. f3 h5 34. fxg4 hxg4 35. Rg2 Kf6 36. Rxg4 Kf5 37. h3 Ke4 38. Ke2 f5 39. Rg7 R8d7 40. Rc7 Rxg7 41. Rxg7 Rb5 42. b4 a5 43. Re7+ Kxf4 44. bxa5 Re5+ 0-1

[Event "NWC September op"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Pendergast, Michael J"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "80"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Bf5 4. c4 e6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nd7 8. b4 b6 9. Nc3 bxc5 10. bxc5 e5 11. b4 exd4 12. exd4 Ngf6 13. b5 Nxc5 14. dxc5 Bxc5 15. bxc6 0-0 16. Ba6 Rfe8+ 17. Ne2 Bc8 18. Bd3 Re6 19. c7 Rc6 20. Bf4 Nh5 21. 0-0 Nxf4 22. Nxf4 Rxc7 23. Nxd5 Rd7 24. Bc4 Bb7 25. Ne3 Bxf3 26. gxf3 a5 27. Rfd1 Rc7 28. Bb5 Kf8 29. Rd7 Rxd7 30. Bxd7 Ra7 31. Bb5 Bxe3 32. fxe3 Ke7 33. Ba4 Kd6 34. Rc1 Rb7 35. Rc6+ Kd5 36. Ra6 Rb1+ 37. Kf2 Rb2+ 38. Kg3 Rd2 39. Rxa5+ Kd6 40. Ra7 Ra2 1-0

[Event "NWC August op"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Yamanaka, Keith"]
[Black "Dubisch, Ralph"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "2300"]
[PlyCount "22"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 h5 7. Be3 h4 8. gxh4 Nd4 9. Qd2 Rxh4 10. Bxd4 cxd4 11. Nd5 e6 0-1

[Event "NWC August op"]
[Site "Seattle"]
[Date "1989.??.??"]
[Round "?"]
[White "Yamanaka, Keith"]
[Black "Dubisch, Ralph"]
[Result "0-1"]
[ECO "E85"]
[BlackElo "2270"]
[PlyCount "52"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. dxe5 dxe5 8. Bc5 Re8 9. Nb5 Nfd7 10. Ba3 Bh6 11. Ne2 Nc6 12. h4 a6 13. h5 axb5 14. hxg6 Qg5 15. gxf7+ Kxf7 16. cxb5 Nd4 17. Nxd4 exd4 18. Bc4+ Kg6 19. Qxd4 Bg7 20. Qd2 Qxd2+ 21. Kxd2 Ne5 22. Be2 h5 23. f4 Ng4 24. Bxg4 Bxg4 25. Ke3 Ra4 26. e5 Bh6 0-1

[Event "Oregon op"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kiplinger, William"]
[Black "Yamanaka, Keith"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "64"]
[EventDate "1987.09.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. 0-0 Be7 9. c3 0-0 10. Qe2 b6 11. Rd1 Qc7 12. Ne5 Bd6 13. f4 Bb7 14. Ne4 Nxe4 15. Bxe4 Bxe4 16. Qxe4 cxd4 17. Nxd7 Qxd7 18. cxd4 Rfd8 19. Be3 Bf8 20. Rd2 Rac8 21. Rad1 Qd5 22. Qb1 g6 23. a3 Bg7 24. Qd3 Rc4 25. b3 Rc7 26. Rc2 Rdc8 27. Rxc7 Rxc7 28. Bc1 Qc6 29. Bb2 Qc2 30. Rd2 Qxd3 31. Rxd3 Rc2 32. Bc3 Rxc3 0-1

[Event "Christmas Congress"]
[Site "Everett"]
[Date "1986.12.??"]
[Round "?"]
[White "Eschbach, Ralph"]
[Black "Yamanaka, Keith"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "105"]
[EventDate "1986.12.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Be7 6. c4 c6 7. Nbd2 0-0 8. Nh4 Bg4 9. h3 Bh5 10. Nhf3 Nbd7 11. g4 Bg6 12. Nh4 Be4 13. f3 Bg6 14. Nxg6 fxg6 15. e4 e5 16. cxd5 cxd5 17. exd5 exd4 18. Qb3 Qb6 19. Qxb6 Nxb6 20. Nb3 Nfxd5 21. Nxd4 Bc5 22. Rd1 Nf4 23. Kh1 Nxg2 24. Kxg2 Rad8 25. Be3 Nd5 26. Bg5 Nf4+ 27. Bxf4 Bxd4 28. Kg3 Bxb2 29. Rxd8 Bxa1 30. Rd7 g5 31. Bxg5 h6 32. Bf4 Rf7 33. Rd8+ Kh7 34. Be3 a6 35. h4 Rc7 36. a4 b5 37. axb5 axb5 38. Rb8 Rc5 39. Ra8 Be5+ 40. f4 Rc3 41. fxe5 Rxe3+ 42. Kf4 Re1 43. Kf5 g6+ 44. Kf6 Rf1+ 45. Ke7 Kg7 46. e6 Rd1 47. Rd8 Ra1 48. Rd7 Ra6 49. g5 hxg5 50. hxg5 Ra8 51. Kd6+ Kf8 52. Rb7 b4 53. Rxb4 1-0

[Event "NWC August op"]
[Site "Seattle"]
[Date "1986.??.??"]
[Round "?"]
[White "Gruenenwald, Evi"]
[Black "Yamanaka, Keith"]
[Result "0-1"]
[ECO "D38"]
[PlyCount "62"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bh4 Bb4 7. e3 g5 8. Bg3 Ne4 9. Rc1 h5 10. cxd5 exd5 11. Bxb8 Rxb8 12. Bd3 g4 13. Nd2 f5 14. Qe2 Qa5 15. 0-0 Bxc3 16. bxc3 Nxc3 17. Qe1 Ne4 18. Rc2 Be6 19. f3 Nxd2 20. Rxd2 Kd7 21. e4 fxe4 22. fxe4 Rbf8 23. e5 Rxf1+ 24. Bxf1 Rf8 25. Qe3 Qb4 26. Bd3 Qc3 27. Rd1 h4 28. Rc1 Qa3 29. Rc2 h3 30. gxh3 Rf3 31. Qh6 Qxd3 0-1

