[Event "London Classic op U1600 8th"]
[White "Clarkson, George"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2016.12.11"]
[ECO "B22"]
[WhiteElo "1352"]
[BlackElo "1546"]
[PlyCount "87"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 e6 5. Bc4 Nb6 6. Bb3 cxd4 7. cxd4 d5 8. Nf3 Bb4+ 9. Bd2 Nc6 10. Bxb4 Nxb4 11. a3 Nc6 12. 0-0 0-0 13. Qd3 f5 14. exf6 Qxf6 15. Bc2 g6 16. Nbd2 Nd7 17. Rfe1 Rf7 18. Re3 Nf8 19. Ba4 Bd7 20. Nb3 Nxd4 21. Qxd4 Qxd4 22. Nbxd4 Bxa4 23. Nxe6 Nxe6 24. Rxe6 Rc8 25. Rd6 Bb3 26. Nd4 Bc4 27. b3 Bd3 28. Rxd5 Rcf8 29. Ne6 Re8 30. Rxd3 Rxe6 31. Rad1 Re2 32. f3 Rc7 33. Rd8+ Kf7 34. R1d7+ Re7 35. Rxc7 Rxc7 36. Rd3 Ke6 37. Kf2 h5 38. f4 Kf5 39. Kf3 b6 40. h3 a5 41. Rd5+ Ke6 42. Ke4 Rc2 43. g4 Re2+ 44. Kd3 1/2-1/2

[Event "London Classic op U1600 8th"]
[White "Oyama, Harunobu"]
[Black "Benjamin, Christopher"]
[Site "London"]
[Round "4"]
[Result "1-0"]
[Date "2016.12.11"]
[ECO "C45"]
[WhiteElo "1546"]
[PlyCount "95"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Bg5 Be7 8. 0-0-0 0-0 9. f4 c5 10. Qf2 Ng4 11. Qg3 Bxg5 12. fxg5 Qxg5+ 13. Kb1 Qe7 14. Be2 Nf6 15. Bf3 Rd8 16. Rd2 b5 17. Rhd1 b4 18. e5 bxc3 19. exf6 Qxf6 20. Rxd6 Be6 21. Bxa8 Rxa8 22. Qxc3 Qe7 23. Qa5 h6 24. Rd8+ Rxd8 25. Qxd8+ Qxd8 26. Rxd8+ Kh7 27. Ra8 c4 28. Rxa7 g5 29. b4 Bd5 30. g3 Kg6 31. b5 Kf5 32. b6 Kg4 33. b7 Bxb7 34. Rxb7 f5 35. Rd7 f4 36. Rd4 Kf3 37. gxf4 gxf4 38. Kc1 Ke3 39. Rxc4 f3 40. Rc6 f2 41. Rf6 Ke2 42. a4 h5 43. a5 h4 44. a6 Kf1 45. a7 Kg1 46. Rxf2 h3 47. Rf3 Kxh2 48. a8Q 1-0

[Event "London Classic op U1600 8th"]
[White "Oyama, Harunobu"]
[Black "Johnson, Elizabeth"]
[Site "London"]
[Round "2"]
[Result "1-0"]
[Date "2016.12.10"]
[ECO "B13"]
[WhiteElo "1546"]
[BlackElo "1354"]
[PlyCount "159"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 e6 7. Nf3 Bd6 8. Ne5 Bxe5 9. dxe5 Nd7 10. Qe2 a6 11. Nd2 Nc5 12. Bc2 d4 13. Ne4 Nxe4 14. Qxe4 dxc3 15. bxc3 Qa5 16. 0-0 Bd7 17. Qe3 0-0 18. Qh3 g6 19. Bh6 Rfe8 20. f4 Qc5+ 21. Kh1 Na5 22. Qh4 Qe7 23. Bg5 Qf8 24. Rf3 h5 25. Be4 Bc6 26. Bxc6 Nxc6 27. Bf6 Ne7 28. g4 Nd5 29. gxh5 Nxf6 30. Qxf6 Qe7 31. Qxe7 Rxe7 32. hxg6 fxg6 33. Rg1 Rg7 34. Rd3 Rc8 35. Rgd1 Rgc7 36. Rd8+ Rxd8 37. Rxd8+ Kf7 38. Rd3 Ke7 39. Kg2 Rc4 40. Kg3 Ra4 41. Rd2 Ra3 42. Rc2 b5 43. Kg4 Ra4 44. Kg5 Kf7 45. h4 Rc4 46. Rd2 Rc7 47. Rd6 Rxc3 48. Rxa6 Rg3+ 49. Kh6 Rg4 50. Ra7+ Ke8 51. Rb7 Rxh4+ 52. Kg5 Rh2 53. Rxb5 Rxa2 54. Kxg6 Ra4 55. Kf6 Ra6 56. Rb8+ Kd7 57. Rb7+ Kc6 58. Re7 Kd5 59. Rd7+ Ke4 60. Rd6 Ra7 61. Kxe6 Kxf4 62. Kf6 Ke4 63. e6 Ra1 64. e7 Ra8 65. Re6+ Kd5 66. e8Q Rxe8 67. Rxe8 Kd4 68. Re5 Kd3 69. Kf5 Kd4 70. Kf4 Kd3 71. Re4 Kc3 72. Ke5 Kd3 73. Rh4 Kc3 74. Kd5 Kb3 75. Kc5 Ka3 76. Kb5 Kb2 77. Rh3 Kb1 78. Kc4 Ka1 79. Kb3 Kb1 80. Rh1# 1-0

[Event "London Classic op U1600 8th"]
[White "Stoyanov, Boris1"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "3"]
[Result "1-0"]
[Date "2016.12.10"]
[ECO "E97"]
[WhiteElo "1367"]
[BlackElo "1546"]
[PlyCount "61"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. Be3 e5 8. d5 Ne7 9. 0-0 Ng4 10. Qd2 Nxe3 11. Qxe3 f5 12. Qg5 h6 13. Qd2 f4 14. Qc2 g5 15. Qb3 Ng6 16. h3 h5 17. Kh2 g4 18. Ng1 Qg5 19. g3 h4 20. Nb5 hxg3+ 21. fxg3 fxg3+ 22. Qxg3 Qd2 23. Rxf8+ Bxf8 24. Qf2 Nf4 25. Rf1 Bd7 26. Nxc7 Rc8 27. Ne6 Bxe6 28. dxe6 Rxc4 29. Bxc4 Qxf2+ 30. Rxf2 Be7 31. hxg4 1-0

[Event "London Classic CSC U120 op 7th"]
[White "Selvarattinam, Gengadharan"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "4"]
[Result "0-1"]
[Date "2015.12.06"]
[ECO "B45"]
[WhiteElo "1740"]
[BlackElo "114"]
[PlyCount "86"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e6 7. Bg5 Be7 8. e5 Nd5 9. Bxe7 Qxe7 10. Ne4 0-0 11. Nd6 f6 12. Nxc8 Raxc8 13. exf6 Rxf6 14. Qd2 Rcf8 15. f3 Qb4 16. c4 Qxd2+ 17. Kxd2 Nb6 18. b4 Rf4 19. Kc3 Ra8 20. a4 a5 21. b5 c5 22. Be2 d5 23. g3 Rd4 24. cxd5 exd5 25. Rhd1 Nxa4+ 26. Kb3 Rb4+ 27. Kc2 Nb6 28. Ra3 c4 29. Rb1 Rxb1 30. Kxb1 a4 31. Re3 Kf7 32. Bd1 Ra5 33. Ka2 Rxb5 34. Ra3 Ra5 35. Kb2 d4 36. Kc2 Rb5 37. Kc1 Rb4 38. Kc2 Rb3 39. Ra1 Kf6 40. Kc1 Rb4 41. f4 Kf5 42. Kd2 Rb2+ 43. Bc2+ d3 0-1

[Event "London Classic CSC U120 op 7th"]
[White "Oyama, Harunobu"]
[Black "Saidmurodov, Shahjahon"]
[Site "London"]
[Round "3"]
[Result "1-0"]
[Date "2015.12.05"]
[ECO "B23"]
[WhiteElo "114"]
[BlackElo "95"]
[PlyCount "49"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Bg4 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 e6 8. Qe1 Be7 9. d3 Nf6 10. e5 Nd5 11. Ne4 0-0 12. exd6 Bxd6 13. Nxd6 Qxd6 14. Ne5 f5 15. b3 Nb6 16. Qa5 Qd4+ 17. Kh1 Qxa1 18. Qxb6 Qxa2 19. Qxc5 Rac8 20. Qc3 Rfd8 21. Bb2 Rd6 22. Ra1 Qxa1+ 23. Bxa1 c5 24. Nxg4 fxg4 25. Qxg7# 1-0

[Event "London Classic CSC U120 op 7th"]
[White "Panchev, Theodore"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "2"]
[Result "0-1"]
[Date "2015.12.05"]
[ECO "B30"]
[WhiteElo "76"]
[BlackElo "114"]
[PlyCount "94"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d3 Bg7 5. Be3 Nd4 6. Bxd4 cxd4 7. Nd5 a6 8. Be2 a5 9. 0-0 e6 10. Nf4 Ne7 11. Qd2 0-0 12. e5 Nc6 13. Rfe1 Bxe5 14. Nxe5 Nxe5 15. Bf3 Nxf3+ 16. gxf3 Qg5+ 17. Kf1 e5 18. Qe2 Qxf4 19. Qxe5 Qxe5 20. Rxe5 b6 21. Ke2 Bb7 22. Kd2 Bc6 23. Rg1 Rae8 24. Rgg5 h6 25. Rxe8 hxg5 26. Rxf8+ Kxf8 27. Ke2 Kg7 28. Kf1 Bxf3 29. h3 Kh6 30. Kg1 Kh5 31. Kh2 Kh4 32. c3 dxc3 33. bxc3 b5 34. a3 Be2 35. d4 Bf3 36. d5 Bxd5 37. Kg1 Kxh3 38. Kf1 Bc4+ 39. Kg1 f5 40. Kh1 g4 41. Kg1 f4 42. Kh1 f3 43. Kg1 g5 44. Kh1 g3 45. Kg1 g4 46. Kh1 gxf2 47. a4 f1Q# 0-1

[Event "Hampstead op U2200 11-B"]
[White "Gee Grant, Aimee"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "5"]
[Result "1-0"]
[Date "2013.12.01"]
[ECO "D00"]
[WhiteElo "1034"]
[BlackElo "1558"]
[PlyCount "61"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bd3 0-0 6. e4 c6 7. e5 Ne8 8. Bg5 h6 9. Bf4 Bg4 10. h3 Bxf3 11. Qxf3 f6 12. Bxg6 fxe5 13. dxe5 Bxe5 14. Qg4 Bxc3+ 15. bxc3 Nf6 16. Qe6+ Kg7 17. Bd3 Qd7 18. Qe3 Rh8 19. Qg3+ Kf8 20. 0-0 Na6 21. Qf3 Nc5 22. Be5 Nce4 23. Bxe4 dxe4 24. Qf4 Qe6 25. Rae1 Kf7 26. Rxe4 Qxa2 27. Bxf6 exf6 28. Qc7+ Kg6 29. Rg4+ Kh5 30. Qf4 Qe6 31. Qg3 1-0

[Event "Hampstead op U2200 11-B"]
[White "Oyama, Harunobu"]
[Black "Sloan, Cecil"]
[Site "Hampstead"]
[Round "4"]
[Result "0-1"]
[Date "2013.12.01"]
[ECO "B23"]
[WhiteElo "1558"]
[BlackElo "1683"]
[PlyCount "34"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bc4 d6 7. 0-0 Nf6 8. e5 Nxf3+ 9. Qxf3 dxe5 10. fxe5 Qd4+ 11. Rf2 Qxc4 12. exf6 Bxf6 13. d3 Qg4 14. Nd5 Qxf3 15. Rxf3 Be5 16. Bh6 Be6 17. Re1 Bxd5 0-1

[Event "Hampstead op U2200 11-B"]
[White "Anbakumar, Hajane"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "2"]
[Result "1-0"]
[Date "2013.11.30"]
[ECO "E60"]
[WhiteElo "1651"]
[BlackElo "1558"]
[PlyCount "87"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 Na6 7. a3 Rb8 8. Nc3 Bd7 9. Qc2 c5 10. Rd1 cxd4 11. Nxd4 Nc5 12. b4 Ne6 13. Nxe6 Bxe6 14. c5 Bf5 15. Qb3 Be6 16. Qc2 d5 17. Bb2 Qc8 18. Nxd5 Bxd5 19. Bxd5 Nxd5 20. Bxg7 Rd8 21. Be5 Ra8 22. Rd3 Qe6 23. Qb2 f6 24. Bd4 Qg4 25. f3 Qh3 26. Bf2 Kg7 27. e4 Nc7 28. Rad1 Rxd3 29. Rxd3 g5 30. Qd2 Ne6 31. Rd7 Re8 32. Qd3 h5 33. Qf1 Qxf1+ 34. Kxf1 Nd8 35. f4 Kf7 36. f5 Rh8 37. b5 Ke8 38. Rc7 h4 39. g4 Rf8 40. c6 bxc6 41. bxc6 e5 42. Bxa7 Rf7 43. Rxf7 Kxf7 44. c7 1-0

[Event "Hampstead op U2200 11-B"]
[White "Oyama, Harunobu"]
[Black "Millward, David J"]
[Site "Hampstead"]
[Round "1"]
[Result "0-1"]
[Date "2013.11.30"]
[ECO "B01"]
[WhiteElo "1558"]
[BlackElo "1921"]
[PlyCount "116"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd8 5. Nc3 c6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 Nbd7 9. d5 cxd5 10. cxd5 exd5 11. Nxd5 Bd6 12. Nxf6+ Nxf6 13. Bb5+ Kf8 14. Qb3 Be6 15. Bc4 Bxc4 16. Qxc4 Rc8 17. Qb3 Qc7 18. Bd2 h6 19. Rac1 Qd7 20. Rxc8+ Qxc8 21. Rc1 Qd7 22. Bb4 Bxb4 23. Qxb4+ Kg8 24. Qb3 Kh7 25. Rd1 Qc7 26. Qd3+ Kg8 27. Qd6 Qxd6 28. Rxd6 Kh7 29. Kf1 Rc8 30. Nd4 Rc1+ 31. Ke2 Rb1 32. Nb3 Rxb2+ 33. Rd2 Rb1 34. Nc5 Rb5 35. Nd7 Nxd7 36. Rxd7 Kg6 37. g3 Kf6 38. Kd1 Ke6 39. Rd2 Rd5 40. h4 b5 41. Kc2 Rxd2+ 42. Kxd2 Kd5 43. Kc3 a5 44. a3 h5 45. f3 f5 46. Kd3 g6 47. Kc3 Kc5 48. Kd3 b4 49. axb4+ axb4 50. Ke3 b3 51. Kf4 b2 52. Kg5 b1Q 53. Kxg6 Qd1 54. Kxh5 Qxf3+ 55. Kh6 Qxg3 56. h5 Kd6 57. Kh7 Ke6 58. h6 Kf7 0-1

[Event "Hampstead op U2200 10"]
[White "Lovell, William Pm"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "5"]
[Result "0-1"]
[Date "2013.10.27"]
[ECO "B23"]
[WhiteElo "1503"]
[BlackElo "1552"]
[PlyCount "134"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. Qe1 0-0 8. d3 d5 9. Bb3 Nd4 10. Nxd4 cxd4 11. Nd1 dxe4 12. dxe4 Bd7 13. Qh4 Nc6 14. Qh3 e5 15. f5 Na5 16. Bh6 Nxb3 17. Bxg7 Kxg7 18. axb3 f6 19. Qg3 Qb6 20. Kh1 Qc6 21. Qd3 gxf5 22. exf5 Kh8 23. c3 Rg8 24. Rf2 Rg5 25. cxd4 exd4 26. Qxd4 Bxf5 27. Ne3 Rag8 28. Rg1 Be4 29. Qxf6+ Qxf6 30. Rxf6 Rb5 31. Rf4 Re8 32. Ng4 Bc6 33. b4 Re2 34. Rf8+ Kg7 35. Rc8 Rxb4 36. Rc7+ Kg6 37. Rc8 Rbxb2 38. Rg8+ Kf7 39. Nh6+ Ke6 40. Rg7 a5 41. Rg3 a4 42. Ng8 a3 43. Rxa3 Bxg2+ 44. Rxg2 Rxg2 45. Re3+ Kf7 46. Nh6+ Kf6 47. Rf3+ Ke6 48. Re3+ Kd5 49. Nf7 Rxh2+ 50. Kg1 Rbg2+ 51. Kf1 Ra2 52. Kg1 Rhd2 53. Kf1 Rf2+ 54. Ke1 Rxf7 55. Rd3+ Kc4 56. Rh3 Rg7 57. Rh4+ Kd3 58. Rh3+ Ke4 59. Rh4+ Kf3 60. Rh3+ Rg3 61. Rxg3+ Kxg3 62. Kd1 h5 63. Kc1 h4 64. Kb1 Rg2 65. Kc1 h3 66. Kd1 h2 67. Ke1 h1R# 0-1

[Event "Hampstead op U2200 10"]
[White "Oyama, Harunobu"]
[Black "Miu, Marinel"]
[Site "Hampstead"]
[Round "4"]
[Result "0-1"]
[Date "2013.10.27"]
[ECO "C00"]
[WhiteElo "1552"]
[BlackElo "1706"]
[PlyCount "54"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d6 3. f4 Qh4+ 4. g3 Qd8 5. Nf3 a6 6. d4 d5 7. Bd3 Nf6 8. e5 Ng8 9. 0-0 Ne7 10. Nh4 g6 11. Qg4 Nf5 12. Nxf5 gxf5 13. Qh5 c5 14. Be3 Nc6 15. Nd1 cxd4 16. Bd2 Qb6 17. Kh1 Ne7 18. c4 dxc3 19. Bxc3 d4 20. Bd2 Bd7 21. b3 Nd5 22. Nb2 Bc6 23. Kg1 Ne3 24. Bxe3 dxe3 25. Nc4 Qd4 26. Qe2 Qd5 27. Be4 Qxe4 0-1

[Event "Hampstead op U2200 10"]
[White "Oliveri, Claudio"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "1"]
[Result "1-0"]
[Date "2013.10.26"]
[ECO "B30"]
[WhiteElo "1810"]
[BlackElo "1552"]
[PlyCount "83"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. b3 a6 6. Bxc6 Nxc6 7. Bb2 d5 8. exd5 Qxd5 9. Nc3 Qh5 10. Ne4 Qh6 11. d4 cxd4 12. Nxd4 Be7 13. Nxc6 bxc6 14. Nd6+ Kf8 15. c4 Rb8 16. Rc1 Bb7 17. Nxb7 Rxb7 18. Qf3 Bd6 19. h3 Qf4 20. Qxf4 Bxf4 21. Rcd1 Bc7 22. g3 Rb8 23. Rd7 Rc8 24. Rfd1 Rg8 25. Rxc7 Rxc7 26. Rd8+ Ke7 27. Rxg8 g6 28. Rh8 Kd6 29. f3 Kc5 30. Ba3+ Kb6 31. Bd6 Rd7 32. c5+ Kb7 33. Re8 h5 34. Re7 Kc8 35. Rxd7 Kxd7 36. Kf2 f6 37. Ke3 Kc8 38. g4 hxg4 39. hxg4 Kd7 40. Ke4 f5+ 41. gxf5 gxf5+ 42. Ke5 1-0

[Event "Hampstead op U2200 10"]
[White "Oyama, Harunobu"]
[Black "Reed, Liam"]
[Site "Hampstead"]
[Round "3"]
[Result "1-0"]
[Date "2013.10.26"]
[ECO "B07"]
[WhiteElo "1552"]
[BlackElo "1447"]
[PlyCount "79"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 0-0 6. h4 h5 7. f3 Nc6 8. g4 e5 9. gxh5 Nxh5 10. d5 Ne7 11. Qd2 f5 12. Bh6 f4 13. Bxg7 Kxg7 14. 0-0-0 Ng3 15. Rh2 Rh8 16. Bc4 Bd7 17. Nge2 Nh5 18. Bb5 Bxb5 19. Nxb5 a6 20. Nbc3 b5 21. Ng1 Qd7 22. Nh3 b4 23. Ne2 a5 24. Ng5 Rhb8 25. Ne6+ Kf6 26. Rg1 a4 27. N2xf4 Nxf4 28. Nxf4 exf4 29. Qxf4+ Kg7 30. h5 Rf8 31. Qg5 Qe8 32. Rgh1 Rh8 33. f4 Qf7 34. f5 Nxf5 35. exf5 Qxf5 36. h6+ Kf7 37. Qe3 Qxd5 38. Rf1+ Kg8 39. Rg1 Qf7 40. Rf2 1-0

[Event "Hampstead op U2200 10"]
[White "Sonnis, Steve"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "2"]
[Result "1-0"]
[Date "2013.10.26"]
[ECO "B21"]
[WhiteElo "1700"]
[BlackElo "1552"]
[PlyCount "97"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. Nc3 d4 6. Nce2 Nf6 7. d3 e6 8. Nf3 Nc6 9. 0-0 Be7 10. a3 Qc7 11. Qe1 0-0-0 12. Bd2 h6 13. b4 Ng4 14. b5 Nb8 15. Qg3 f5 16. e5 h5 17. Nh4 c4 18. Ng6 h4 19. Qf3 Rh6 20. Nxe7+ Qxe7 21. dxc4 Qc5 22. Qd3 h3 23. g3 Ne3 24. Bxe3 dxe3 25. Qc3 Rd2 26. Rfe1 a6 27. a4 Nc6 28. Kf1 Nb4 29. Rec1 a5 30. Ke1 g5 31. Ra3 gxf4 32. gxf4 Rg6 33. Qxe3 Qxe3 34. Rxe3 Rxc2 35. Rxh3 Rg2 36. Rxc2 Nxc2+ 37. Kf1 Rg4 38. Rc3 Nb4 39. Rg3 Nc2 40. Rxg4 Ne3+ 41. Kf2 Nxg4+ 42. Kg3 Kc7 43. Nd4 Kd7 44. Nc2 b6 45. h3 Nh6 46. Kh4 Ke7 47. Kg5 Nf7+ 48. Kg6 Nh8+ 49. Kg7 1-0

[Event "Hampstead op U2200 07"]
[White "Klingher, Dominic"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "5"]
[Result "1-0"]
[Date "2013.07.21"]
[ECO "A37"]
[WhiteElo "1642"]
[BlackElo "1598"]
[PlyCount "53"]
[EventDate "2013.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. c4 e6 6. d3 Nge7 7. Nc3 0-0 8. Bf4 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Rc1 Qb6 12. Bd6 Re8 13. Bxc5 Qxb2 14. Rc2 Qf6 15. Nd2 Nd4 16. Bxd4 Qxd4 17. Nb3 Qe5 18. e3 Rb8 19. d4 Qg5 20. Rc5 Be6 21. e4 Bf8 22. Ra5 b6 23. Rxa7 dxe4 24. Bxe4 Bxb3 25. Qxb3 Rxe4 26. Qxf7+ Kh8 27. Qxh7# 1-0

[Event "Hampstead op U2200 07"]
[White "Oyama, Harunobu"]
[Black "Gergelova, Monika"]
[Site "Hampstead"]
[Round "4"]
[Result "1-0"]
[Date "2013.07.21"]
[ECO "C46"]
[WhiteElo "1598"]
[BlackElo "1297"]
[PlyCount "71"]
[EventDate "2013.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Qf6 5. Nf3 Nge7 6. Be2 d6 7. 0-0 Bg4 8. d3 h6 9. Be3 Nd4 10. Nxd4 Bxe2 11. Ndxe2 0-0 12. Bxc5 dxc5 13. Qc1 c6 14. Qf4 Qe6 15. Qg3 f5 16. Qh3 Qd6 17. exf5 Nxf5 18. Rae1 Rae8 19. Ng3 Nd4 20. Rxe8 Rxe8 21. Nce4 Qd5 22. Re1 Qf7 23. Qh5 Qf8 24. Qg6 Re6 25. Qg4 Qf7 26. Nh5 Rg6 27. Qc8+ Kh7 28. Nd6 Rxd6 29. Re8 Qxh5 30. Rh8+ Kg6 31. Qe8+ Kg5 32. Qe5+ Kg6 33. Qxd6+ Kg5 34. Qe5+ Nf5 35. f3 Kg6 36. Rf8 1-0

[Event "Hampstead op U2200 07"]
[White "Breindel, Jake"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "3"]
[Result "1-0"]
[Date "2013.07.20"]
[ECO "B35"]
[WhiteElo "1786"]
[BlackElo "1598"]
[PlyCount "131"]
[EventDate "2013.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Qh5 11. Qxh5 Nxh5 12. Rad1 Na5 13. Nd5 Nxb3 14. Nxe7+ Kh8 15. axb3 Bd7 16. f3 Rfe8 17. Nd5 Rac8 18. c3 Nf6 19. Nxf6 Bxf6 20. Ne2 Rc6 21. Bxa7 Be6 22. Bd4 Bxd4+ 23. Nxd4 Rb6 24. Nxe6 Rxe6 25. b4 Kg7 26. Rd5 Kf6 27. Kf2 Ke7 28. Re1 Kd7 29. e5 Kc6 30. Rxd6+ Rxd6 31. exd6 Kxd6 32. Rd1+ Kc6 33. Rd8 f5 34. Rf8 Kb5 35. Ke3 Kc4 36. Rf7 h5 37. Rd7 Kb3 38. Rd2 Ra6 39. Kf4 b5 40. Kg5 Ra2 41. Kxg6 Rxb2 42. Rxb2+ Kxb2 43. g4 fxg4 44. fxg4 hxg4 45. hxg4 Kxc3 46. Kf6 Kxb4 47. g5 Kc3 48. g6 b4 49. g7 b3 50. g8Q b2 51. Qc8+ Kd2 52. Qd7+ Kc1 53. Qc6+ Kd2 54. Qd5+ Kc1 55. Qc4+ Kd2 56. Qb3 Kc1 57. Qc3+ Kb1 58. Ke5 Ka2 59. Qc2 Ka1 60. Qa4+ Kb1 61. Qb3 Kc1 62. Qc3+ Kb1 63. Kd4 Ka2 64. Qc2 Ka1 65. Qa4+ Kb1 66. Kc3 1-0

[Event "Hampstead op U2200 07"]
[White "Landau, Jonathan"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "2"]
[Result "1-0"]
[Date "2013.07.20"]
[ECO "B32"]
[WhiteElo "1922"]
[BlackElo "1598"]
[PlyCount "105"]
[EventDate "2013.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. exd5 Qxd5 6. Be3 e6 7. Be2 Nf6 8. 0-0 Be7 9. Bf3 Qd7 10. Nxc6 bxc6 11. Nc3 0-0 12. Qe2 Nd5 13. Rfd1 Nxc3 14. bxc3 Qc7 15. Qc4 Bb7 16. Rab1 Rfd8 17. Rxd8+ Bxd8 18. g3 Be7 19. Bf4 Qc8 20. Qd3 Ba6 21. Qe4 Qe8 22. Qxc6 Qxc6 23. Bxc6 Rc8 24. Bb7 Bxb7 25. Rxb7 Bc5 26. Rc7 Rxc7 27. Bxc7 Kf8 28. Be5 g6 29. Bd4 Bb6 30. Bxb6 axb6 31. Kf1 Ke7 32. Ke2 Kd6 33. Kd3 Kc5 34. f4 f5 35. a4 Kd5 36. c4+ Kc5 37. Kc3 h6 38. h4 h5 39. Kb3 Kd4 40. Kb4 Ke3 41. Kb5 Kf3 42. c5 bxc5 43. a5 Kxg3 44. a6 Kxf4 45. a7 Kg4 46. a8Q Kxh4 47. Qh1+ Kg5 48. Qg2+ Kf6 49. Kxc5 g5 50. Kd6 g4 51. Qe2 f4 52. Qe5+ Kg6 53. Qxf4 1-0

[Event "Hampstead op U2200 07"]
[White "Oyama, Harunobu"]
[Black "Allison, Conrad"]
[Site "Hampstead"]
[Round "1"]
[Result "1/2-1/2"]
[Date "2013.07.20"]
[ECO "C47"]
[WhiteElo "1598"]
[BlackElo "1885"]
[PlyCount "150"]
[EventDate "2013.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. Rae1 Re8 13. Bxf6 Bxf6 14. Qh5 g6 15. Rxe8+ Qxe8 16. Qf3 Bg7 17. Na4 Rb8 18. b3 Qe7 19. Qg3 Rb4 20. c3 Rb7 21. Ba6 Rc7 22. Nc5 Bxa6 23. Nxa6 Rc8 24. Qd3 Re8 25. Rd1 Qe2 26. Nb4 Qxd3 27. Nxd3 Bxc3 28. Kf1 Kf8 29. Rc1 d4 30. Nc5 Rc8 31. Ke2 Re8+ 32. Kd3 Re1 33. Rxe1 Bxe1 34. f3 Bf2 35. Kc4 Ke7 36. Ne4 Bg1 37. h3 f5 38. Ng3 Bf2 39. Ne2 c5 40. Nc1 Bg3 41. Kxc5 Be5 42. Kc6 a5 43. Nd3 Ke6 44. Nc5+ Ke7 45. Kd5 Bf6 46. Kc4 Bg7 47. Kb5 Kd6 48. Nd3 g5 49. Kxa5 Kd5 50. Kb5 g4 51. hxg4 fxg4 52. Nb4+ Ke5 53. fxg4 Ke4 54. Kc4 Bf8 55. Nd3 Bd6 56. b4 Bc7 57. a4 Ke3 58. a5 Bd8 59. a6 Bb6 60. b5 Ba7 61. Nb4 Ke4 62. Nd3 Ke3 63. Nb4 Ke4 64. Nd5 d3 65. Nc3+ Ke3 66. Kb4 d2 67. Ka5 Bd4 68. Nd1+ Ke2 69. b6 Kxd1 70. a7 Bxb6+ 71. Kxb6 Ke1 72. a8Q d1Q 73. Qe4+ Kf2 74. Qxh7 Qxg4 75. Qc2+ Kg1 1/2-1/2

[Event "Sunningdale e2e4 op U1800 05"]
[White "Brent, Derek"]
[Black "Oyama, Harunobu"]
[Site "Sunningdale"]
[Round "6"]
[Result "0-1"]
[Date "2013.05.27"]
[ECO "B22"]
[WhiteElo "1402"]
[BlackElo "1605"]
[PlyCount "28"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Na3 cxd4 7. Nb5 0-0-0 8. cxd4 e5 9. Nd2 exd4 10. Bc4 Qxg2 11. Rf1 Re8+ 12. Be2 Bd3 13. Qb3 Bxe2 14. Qxf7 Bh5+ 0-1

[Event "Sunningdale e2e4 op U1800 05"]
[White "Oyama, Harunobu"]
[Black "Covey, Jason"]
[Site "Sunningdale"]
[Round "7"]
[Result "0-1"]
[Date "2013.05.27"]
[ECO "B44"]
[WhiteElo "1605"]
[PlyCount "88"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Be3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Nxc6 bxc6 9. Bd3 c5 10. c3 Be7 11. 0-0 0-0 12. Qh5 g6 13. Qg4 Nb6 14. b3 Kh8 15. Nd2 c4 16. Bc2 f6 17. exf6 Bxf6 18. Bd4 Bxd4+ 19. cxd4 e5 20. f5 Bxf5 21. Bxf5 gxf5 22. Rxf5 Rxf5 23. Qxf5 exd4 24. Qe5+ Kg8 25. Qxd4 Rc8 26. Rd1 c3 27. Ne4 c2 28. Nf6+ Qxf6 29. Qg4+ Kf7 30. Rc1 d4 31. Qh5+ Kg7 32. Qg4+ Qg6 33. Qxd4+ Kg8 34. a4 Qg5 35. Qb2 Qd2 36. h3 Nd5 37. Kh2 Rc3 38. b4 Ne3 39. Rxc2 Rxc2 40. Qb3+ Kf8 41. Kg3 Qxg2+ 42. Kf4 Rc4+ 43. Ke5 Qd5+ 44. Kf6 Rc6# 0-1

[Event "Sunningdale e2e4 op U1800 05"]
[White "Oyama, Harunobu"]
[Black "Cox, Marian"]
[Site "Sunningdale"]
[Round "5"]
[Result "0-1"]
[Date "2013.05.26"]
[ECO "B07"]
[WhiteElo "1605"]
[BlackElo "1481"]
[PlyCount "112"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. d4 c6 4. Be2 e6 5. f4 Be7 6. Nf3 Nbd7 7. e5 dxe5 8. fxe5 Nd5 9. 0-0 Qc7 10. Qe1 0-0 11. Qg3 f5 12. Ng5 Bxg5 13. Bxg5 Rf7 14. Bh6 g6 15. h4 Nf8 16. h5 Qd8 17. hxg6 Nxg6 18. Bh5 Nde7 19. Ne2 b6 20. c3 Ba6 21. Nf4 Bxf1 22. Rxf1 Qe8 23. Nxe6 Rc8 24. Nf4 Kh8 25. Nxg6+ Nxg6 26. Bxg6 Qg8 27. e6 Rf6 28. Qe5 Qxg6 29. Bf4 Kg8 30. Rf3 Rxe6 31. Rg3 Rxe5 32. Bxe5 Qxg3 33. Bxg3 Re8 34. Be5 h5 35. g3 b5 36. a3 Kh7 37. Kf2 Rg8 38. Kf3 Rg4 39. Ke3 Re4+ 40. Kd2 Kg6 41. b3 a6 42. a4 h4 43. gxh4 Rxh4 44. axb5 axb5 45. c4 bxc4 46. bxc4 Re4 47. Kc3 f4 48. Kb4 f3 49. Bg3 Rxd4 50. Bf2 Re4 51. Kc5 Re6 52. Kb6 Kf5 53. c5 Ke4 54. Kc7 Kd3 55. Kd7 Rg6 56. Bh4 Ke2 0-1

[Event "Sunningdale e2e4 op U1800 05"]
[White "Richardson, Paul"]
[Black "Oyama, Harunobu"]
[Site "Sunningdale"]
[Round "4"]
[Result "1/2-1/2"]
[Date "2013.05.26"]
[ECO "E90"]
[WhiteElo "1518"]
[BlackElo "1605"]
[PlyCount "69"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 Nfd7 7. Bd3 Nc6 8. Be3 e5 9. d5 Ne7 10. g4 b6 11. Qd2 Nc5 12. b4 Nxd3+ 13. Qxd3 Bd7 14. b5 Qc8 15. Nd2 a6 16. a4 axb5 17. cxb5 Qb7 18. Qc2 Ra7 19. f3 Rfa8 20. Kf2 Qc8 21. Bg5 f6 22. Bh4 g5 23. Bg3 Qf8 24. h4 Ng6 25. h5 Nf4 26. Nc4 Qc8 27. Ne3 h6 28. Ra2 Ra5 29. Rha1 Qb7 30. Kg1 Rf8 31. Kh2 Raa8 32. Rc1 Rfc8 33. Ra3 Ra5 34. Be1 Rca8 35. Ra2 1/2-1/2

[Event "Sunningdale e2e4 op U1800 05"]
[White "Bullock, Lee"]
[Black "Oyama, Harunobu"]
[Site "Sunningdale"]
[Round "2"]
[Result "0-1"]
[Date "2013.05.25"]
[ECO "B21"]
[WhiteElo "1449"]
[BlackElo "1605"]
[PlyCount "52"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Bf4 a6 7. a4 Nf6 8. Nf3 Bb4 9. Bg5 Qc7 10. Bxf6 gxf6 11. Rc1 Qf4 12. Bd3 Ne5 13. Nxe5 Qxe5 14. 0-0 Rg8 15. f4 Qd4+ 16. Kh1 b6 17. Qf3 Bb7 18. Rfd1 Bxc3 19. Rxc3 Qxa4 20. Rdc1 f5 21. Qh5 Bxe4 22. Bxe4 Qxe4 23. Rc8+ Rxc8 24. Rxc8+ Ke7 25. Qh4+ Kd6 26. Rxg8 Qb1+ 0-1

[Event "Sunningdale e2e4 op U1800 05"]
[White "Oyama, Harunobu"]
[Black "Anilkumar, Anantha P"]
[Site "Sunningdale"]
[Round "3"]
[Result "0-1"]
[Date "2013.05.25"]
[ECO "B23"]
[WhiteElo "1605"]
[BlackElo "1342"]
[PlyCount "77"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bc4 e6 7. 0-0 Ne7 8. d3 d5 9. exd5 0-0 10. dxe6 Bxe6 11. Bxe6 fxe6 12. Ne4 Nd5 13. Nxc5 Qc8 14. Ne4 Nxc2 15. Rb1 Nce3 16. Bxe3 Nxe3 17. Qb3 Nxf1 18. Rxf1 Rxf4 19. Re1 Qc6 20. Neg5 Qb6+ 21. Qxb6 axb6 22. Nxe6 Rb4 23. Nxg7 Kxg7 24. Re7+ Kh6 25. a3 Rxb2 26. g4 g5 27. Re6+ Kg7 28. Nxg5 Rxa3 29. Re1 Rxd3 30. Ne6+ Kf6 31. g5+ Kf5 32. Nf8 Kxg5 33. Nxh7+ Kf4 34. Nf6 Rdd2 35. Rf1+ Ke5 36. Ng4+ Kd4 37. Rf2 b5 38. Rxd2+ Rxd2 39. h4 0-1

[Event "Sunningdale e2e4 op U1800 05"]
[White "Oyama, Harunobu"]
[Black "Zhang, Harvey Y"]
[Site "Sunningdale"]
[Round "1"]
[Result "0-1"]
[Date "2013.05.25"]
[ECO "B01"]
[WhiteElo "1605"]
[BlackElo "1313"]
[PlyCount "94"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd6 5. Nc3 c6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 Be7 9. c5 Qc7 10. g3 Bh3 11. Bf4 Qc8 12. Re1 0-0 13. Ng5 Bf5 14. Bf3 h6 15. Nge4 Nd5 16. Nd6 Bxd6 17. Bxd6 Rd8 18. Nxd5 cxd5 19. b4 Na6 20. Qb3 Bh7 21. Qb2 b6 22. Be2 bxc5 23. dxc5 Bg6 24. Qa3 Nc7 25. Qa5 Rd7 26. Bxc7 Qxc7 27. Qxc7 Rxc7 28. Rec1 f6 29. Ba6 Be8 30. b5 Bd7 31. a4 Bc8 32. Bxc8 Raxc8 33. Re1 Kf7 34. c6 e5 35. Rad1 Ke6 36. f4 Rb8 37. fxe5 fxe5 38. Rd4 a6 39. Rb4 Rxc6 40. bxc6 Rxb4 41. Rc1 Rc4 42. Rxc4 dxc4 43. c7 Kd7 44. c8Q+ Kxc8 45. Kf2 Kd7 46. Ke3 Kd6 47. Ke4 Kc5 0-1

[Event "Hampstead op U2200 04"]
[White "Jina, Taran"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "4"]
[Result "1-0"]
[Date "2013.04.21"]
[ECO "C02"]
[WhiteElo "1684"]
[BlackElo "1598"]
[PlyCount "74"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Nxc6 bxc6 6. e5 e6 7. Be3 Ba6 8. Bd3 c5 9. 0-0 Bxd3 10. Qxd3 c4 11. Qe2 Nh6 12. Nd2 Nf5 13. Qf3 Nxe3 14. fxe3 Qc7 15. c3 Bc5 16. Nxc4 0-0 17. Nd2 Qxe5 18. Rae1 Rab8 19. Nb3 Bd6 20. g3 Qg5 21. Kg2 Rbc8 22. Re2 Rc4 23. Ref2 f6 24. Nd4 Kf7 25. Rd1 h5 26. Kh1 Qg4 27. Rd3 Qxf3+ 28. Nxf3 Ke7 29. Nh4 Kf7 30. Kg2 Re4 31. Nf3 Ke7 32. Nd4 Kd7 33. Nb3 Ra4 34. Nc1 Re4 35. b3 Rc8 36. Ne2 Ke7 37. Nf4 Rh8 1-0

[Event "Hampstead op U2200 04"]
[White "Oyama, Harunobu"]
[Black "Cohen, Meytal"]
[Site "Hampstead"]
[Round "5"]
[Result "1-0"]
[Date "2013.04.21"]
[ECO "C46"]
[WhiteElo "1598"]
[BlackElo "1346"]
[PlyCount "65"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bb4 6. dxe5 Qe7 7. Qd4 Bc5 8. Qc4 Qxe5 9. Nd5 Qd6 10. g3 b6 11. Bf4 Qc6 12. Qb3 d6 13. Bb5 Qxb5 14. Qxb5+ Kd8 15. Qc6 Ne7 16. Qxa8 Nxd5 17. Qxd5 Re8 18. f3 Be6 19. Qg5+ Kd7 20. 0-0-0 g6 21. a3 Bh3 22. b4 Bf2 23. Rd2 Bxg3 24. hxg3 Be6 25. Qb5+ Kc8 26. Qxe8+ Kb7 27. b5 Bc4 28. Qc6+ Kb8 29. Rxh7 Be6 30. Rh8+ Bc8 31. Rxd6 g5 32. Rdd8 gxf4 33. Rxc8# 1-0

[Event "Hampstead op U2200 04"]
[White "Herschmann, Heinz"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "2"]
[Result "1-0"]
[Date "2013.04.20"]
[ECO "B34"]
[WhiteElo "1362"]
[BlackElo "1598"]
[PlyCount "74"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Nxc6 bxc6 8. Bd3 0-0 9. 0-0 d5 10. exd5 cxd5 11. Ne2 Ng4 12. Bf4 e5 13. Bg3 e4 14. Bb5 Bxb2 15. Rb1 Be5 16. Bc6 Be6 17. Bxa8 Qxa8 18. Bxe5 Nxe5 19. Nd4 Bc8 20. Re1 Ba6 21. f3 f5 22. f4 Nc4 23. Ne6 Rf6 24. Nc7 Qd8 25. Nxa6 Rxa6 26. Rb5 d4 27. Rb4 Qd5 28. Qe2 d3 29. cxd3 exd3 30. Qe8+ Kg7 31. Qe7+ Kh6 32. Qg5+ Kg7 33. Re7+ Qf7 34. Rxf7+ Kxf7 35. Rb7+ Ke6 36. Qe7+ Kd5 37. Rb5+ Kd4 1-0

[Event "Hampstead op U2200 04"]
[White "Oyama, Harunobu"]
[Black "Hung, Jake"]
[Site "Hampstead"]
[Round "3"]
[Result "1-0"]
[Date "2013.04.20"]
[ECO "B13"]
[WhiteElo "1598"]
[BlackElo "1675"]
[PlyCount "103"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 a6 7. Nd2 e6 8. Ngf3 Bd6 9. Ne5 0-0 10. 0-0 Bd7 11. Ndf3 Qc7 12. Qc2 Rfc8 13. Qe2 b5 14. Nxd7 Qxd7 15. Ne5 Qc7 16. a3 Na5 17. Rae1 Nc4 18. Bg5 Qe7 19. Ng4 a5 20. Nxf6+ gxf6 21. Qh5 Kf8 22. Qxh7 Ke8 23. Qh8+ Kd7 24. Qxf6 Qxf6 25. Bxf6 Nd2 26. Bxb5+ Kc7 27. Re3 Nxf1 28. Kxf1 Bxh2 29. g3 a4 30. Kg2 Bxg3 31. Rxg3 Kb6 32. Bd3 Kc6 33. Be7 Re8 34. Bb4 f6 35. Rg6 Rg8 36. Kf3 Rxg6 37. Bxg6 Rh8 38. Ke2 Kd7 39. Bd3 Kc6 40. c4 Rh3 41. cxd5+ Kxd5 42. Bc3 e5 43. dxe5 fxe5 44. f3 Rh2+ 45. Ke3 Rh4 46. Be4+ Ke6 47. Kd3 Rh8 48. Kc4 Rb8 49. Kc5 Rb3 50. Bd5+ Kf5 51. Bxb3 axb3 52. Kd5 1-0

[Event "Hampstead op U2200 04"]
[White "Oyama, Harunobu"]
[Black "Landau, Jonathan"]
[Site "Hampstead"]
[Round "1"]
[Result "0-1"]
[Date "2013.04.20"]
[ECO "C47"]
[WhiteElo "1598"]
[BlackElo "2026"]
[PlyCount "66"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+ 9. Qe2 Qxe2+ 10. Kxe2 cxd5 11. Bg5 c6 12. Bxf6 gxf6 13. Na4 Bg4+ 14. f3 Bh5 15. c3 Bd6 16. Bf5 Bg6 17. Bh3 f5 18. Kf2 0-0 19. Rad1 Rfe8 20. c4 Rad8 21. cxd5 cxd5 22. g3 f4 23. g4 Bc2 24. Rd4 Be5 25. Rhd1 Bxd4+ 26. Rxd4 Bxa4 27. Rxa4 d4 28. Bf1 d3 29. Re4 Rxe4 30. fxe4 d2 31. Be2 d1Q 32. Bxd1 Rxd1 33. Ke2 Rh1 0-1

[Event "Hampstead op U2200 02"]
[White "Cork, David J"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "4"]
[Result "0-1"]
[Date "2013.02.17"]
[ECO "B32"]
[WhiteElo "1846"]
[BlackElo "1584"]
[PlyCount "92"]
[EventDate "2013.02.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Bb5 dxe4 6. Nxc6 Qxd1+ 7. Kxd1 a6 8. Ba4 Bd7 9. Nc3 Bxc6 10. Bxc6+ bxc6 11. Nxe4 e5 12. Be3 f5 13. Nc3 f4 14. Bb6 Rb8 15. Bc7 Rxb2 16. Bxe5 Nf6 17. Nd5 Rb7 18. Nxf6+ gxf6 19. Bxf4 Rd7+ 20. Ke2 Bg7 21. Rad1 Rb7 22. Rb1 Rb5 23. Rxb5 axb5 24. Kd3 Kd7 25. Re1 Ra8 26. Ra1 f5 27. c3 Ra3 28. Bd2 c5 29. Kc2 b4 30. Kb2 Bxc3+ 31. Bxc3 Rxc3 32. a4 c4 33. a5 Kc7 34. a6 Rb3+ 35. Kc2 Kb8 36. Ra5 Ka7 37. Rxf5 Kxa6 38. g4 Rc3+ 39. Kd2 Rd3+ 40. Kc2 b3+ 41. Kc1 Rc3+ 42. Kb1 Rc2 43. h4 c3 44. Rf3 Kb5 45. h5 Kb4 46. g5 Rd2 0-1

[Event "Hampstead op U2200 02"]
[White "Oyama, Harunobu"]
[Black "Garland Hoff, Florian"]
[Site "Hampstead"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2013.02.17"]
[ECO "C47"]
[WhiteElo "1584"]
[BlackElo "1658"]
[PlyCount "45"]
[EventDate "2013.02.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d5 9. exd5 cxd5 10. Bg5 Be6 11. Qf3 Be7 12. Rfe1 h6 13. Bh4 g5 14. Bg3 Bg4 15. Qe3 Re8 16. Qd4 c5 17. Qa4 c4 18. Be2 Bd7 19. Qa6 Bc8 20. Qa4 Bd7 21. Qa6 Bc8 22. Qc6 Bd7 23. Qa6 1/2-1/2

[Event "Hampstead op U2200 02"]
[White "Oyama, Harunobu"]
[Black "Denney, Simon C"]
[Site "Hampstead"]
[Round "2"]
[Result "1/2-1/2"]
[Date "2013.02.16"]
[ECO "C01"]
[WhiteElo "1584"]
[BlackElo "1674"]
[PlyCount "121"]
[EventDate "2013.02.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 b6 5. f3 exf3 6. Ngxf3 Bb7 7. c3 Nf6 8. Qc2 Nbd7 9. Bd3 c5 10. Bg5 Qc7 11. 0-0 Bd6 12. Rae1 0-0-0 13. Nc4 Rdg8 14. Nxd6+ Qxd6 15. Qa4 a5 16. Ne5 Nxe5 17. dxe5 Qxd3 18. exf6 gxf6 19. Rd1 Rxg5 20. Rf2 b5 21. Rxd3 bxa4 22. Rh3 Rhg8 23. g3 Rd8 24. Rxf6 Rd1+ 25. Kf2 Rg7 26. Ke3 Rb1 27. Rf2 Kd7 28. a3 Rd1 29. Rh4 f5 30. Rxa4 Rg4 31. Rxg4 fxg4 32. Rf7+ Kc6 33. Rf2 Rd7 34. Kf4 Rf7+ 35. Ke3 Rxf2 36. Kxf2 Kd5 37. Ke3 Kc4 38. b4 cxb4 39. cxb4 a4 40. Kf4 Bf3 41. Ke5 Kb3 42. Kxe6 Kxa3 43. b5 Kb3 44. Kf5 a3 45. b6 a2 46. b7 Bxb7 47. Kxg4 a1Q 48. h4 Qe5 49. Kh3 Qf5+ 50. Kh2 Qg4 51. h5 Qf3 52. Kh3 Bc8+ 53. Kh2 Qxh5+ 54. Kg2 Qg4 55. Kf2 h5 56. Ke3 h4 57. gxh4 Qxh4 58. Kf3 Bb7+ 59. Ke3 Kc3 60. Ke2 Qf4 61. Ke1 1/2-1/2

[Event "Hampstead op U2200 02"]
[White "Pink, Joshua"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "1"]
[Result "1-0"]
[Date "2013.02.16"]
[ECO "B30"]
[WhiteElo "1808"]
[BlackElo "1584"]
[PlyCount "79"]
[EventDate "2013.02.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 g6 8. d4 cxd4 9. Nxd4 Bg7 10. Bg5 Bb7 11. f4 Qb6 12. f5 Bxd4+ 13. cxd4 Qxd4+ 14. Rf2 Qxb2 15. Nd2 f6 16. fxe6 fxg5 17. Nc4 Qd4 18. Nd6+ Kd8 19. Nxb7+ Kc7 20. Qxd4 Nxd4 21. Nc5 Nxe6 22. Nxe6+ dxe6 23. Rf7 Rae8 24. Bb3 Kd6 25. e5+ Kc5 26. Rc1+ Kb4 27. Bxe6 Nf5 28. Bxf5 gxf5 29. Rxf5 g4 30. Kf2 Re6 31. Re1 Rc8 32. Re2 Rc5 33. Kg3 Rc4 34. Rf6 Rcc6 35. Rxe6 Rxe6 36. Kxg4 Kc5 37. Kf5 Re8 38. Rd2 b4 39. Kf6 a5 40. e6 1-0

[Event "Hampstead op U2200 02"]
[White "Price, Andrew"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "3"]
[Result "1-0"]
[Date "2013.02.16"]
[ECO "A48"]
[WhiteElo "1874"]
[BlackElo "1584"]
[PlyCount "56"]
[EventDate "2013.02.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 h6 5. Bf4 d6 6. h3 Nfd7 7. c3 Nc6 8. e3 e5 9. Bh2 0-0 10. Be2 f5 11. dxe5 Ndxe5 12. Nd4 Bd7 13. Qb3+ Kh8 14. 0-0 g5 15. N2f3 Nxf3+ 16. Bxf3 Nxd4 17. cxd4 g4 18. hxg4 fxg4 19. Be4 Rb8 20. Rac1 Bf5 21. Bxf5 Rxf5 22. Qe6 Rb5 23. b3 h5 24. Qf7 Rc8 25. d5 Rxd5 26. Qxd5 h4 27. Qh5+ Kg8 28. Qxg4 Qe7 1-0

[Event "Hampstead U2200 op 2nd"]
[White "Oyama, Harunobu"]
[Black "Byrne, Ken J"]
[Site "Hampstead"]
[Round "5"]
[Result "1-0"]
[Date "2012.11.25"]
[ECO "B07"]
[WhiteElo "1602"]
[PlyCount "51"]
[EventDate "2012.11.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 0-0 6. h4 e5 7. d5 c6 8. h5 h6 9. Qd2 Kh7 10. hxg6+ fxg6 11. Bxh6 Ng4 12. Bxg4 Bxg4 13. Bg5+ Bh5 14. Bxd8 Rxd8 15. g4 Bh6 16. Qe2 Bxg4 17. Qxg4 Rh8 18. Qg5 Kg7 19. Qe7+ Kg8 20. Nf3 Na6 21. Ng5 Rf8 22. 0-0-0 Nc5 23. Rdg1 Bxg5+ 24. Qxg5 Rxh1 25. Qxg6+ Kh8 26. Rxh1# 1-0

[Event "Hampstead U2200 op 2nd"]
[White "Georgiev, Ivan1"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "4"]
[Result "1-0"]
[Date "2012.11.24"]
[ECO "B34"]
[WhiteElo "1764"]
[BlackElo "1602"]
[PlyCount "45"]
[EventDate "2012.11.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 e6 7. Be2 Nge7 8. 0-0 0-0 9. Bg5 f6 10. Bh4 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 exd5 14. Bf3 Be6 15. Nc5 Bf5 16. Bxd5+ Kh8 17. c3 Rad8 18. Rad1 Bc2 19. Rd2 Bf5 20. Nxb7 Bh6 21. Nxd8 Rxd8 22. Bxf6+ Bg7 23. Bxd8 1-0

[Event "Hampstead U2200 op 2nd"]
[White "Giles, Yasmin"]
[Black "Oyama, Harunobu"]
[Site "Hampstead"]
[Round "2"]
[Result "1-0"]
[Date "2012.11.24"]
[ECO "B23"]
[WhiteElo "1827"]
[BlackElo "1602"]
[PlyCount "121"]
[EventDate "2012.11.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 Qb6 8. Nc3 e6 9. Kh1 Ne7 10. d3 0-0 11. Qe1 d5 12. Qg3 f5 13. e5 d4 14. Nb1 Bd7 15. Na3 Nd5 16. Qf2 Bb5 17. Nxb5 Qxb5 18. Qh4 Qd7 19. Qf2 Bh6 20. Qg3 Qg7 21. Bd2 Kf7 22. Rfd1 Rg8 23. Rac1 Ne3 24. Bxe3 dxe3 25. Re1 g5 26. fxg5 Bxg5 27. Nxg5+ Qxg5 28. Qxg5 Rxg5 29. Rxe3 Rag8 30. Re2 f4 31. Rf1 Rf5 32. Re4 Rg4 33. Rf3 Ke7 34. Kg1 Rfg5 35. Re2 Kd7 36. Kf1 Kc6 37. h3 Rh4 38. Re4 Rf5 39. c4 a5 40. a4 b6 41. Kf2 h6 42. Kf1 Kd7 43. g4 Rf7 44. Kg2 h5 45. Rexf4 Rg7 46. Rf7+ Rxf7 47. Rxf7+ Ke8 48. Rf4 hxg4 49. Rxg4 Rh5 50. Re4 Kf7 51. h4 Kg6 52. Kg3 Kf5 53. Rg4 Kxe5 54. Rg5+ Rxg5+ 55. hxg5 Kf5 56. Kh4 Kg6 57. Kg4 Kg7 58. Kh5 Kh7 59. g6+ Kg7 60. Kg5 Kg8 61. Kf6 1-0

[Event "Hampstead U2200 op 2nd"]
[White "Oyama, Harunobu"]
[Black "Herschmann, Heinz"]
[Site "Hampstead"]
[Round "3"]
[Result "1-0"]
[Date "2012.11.24"]
[ECO "C41"]
[WhiteElo "1602"]
[PlyCount "77"]
[EventDate "2012.11.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bd3 Bd7 7. Qf3 Nc6 8. Nf5 Bxf5 9. Qxf5 Ne5 10. Bb5+ c6 11. Ba4 0-0 12. Be3 a5 13. Bb3 b5 14. a3 a4 15. Ba2 g6 16. Qh3 Qd7 17. Qxd7 Nexd7 18. 0-0-0 Ne5 19. h3 Kg7 20. f4 Ned7 21. g4 Kg8 22. f5 Kg7 23. g5 Nh5 24. f6+ Ndxf6 25. gxf6+ Nxf6 26. Bd4 Kg8 27. Bxf6 Bxf6 28. Rxd6 Bxc3 29. bxc3 c5 30. Bd5 Rad8 31. Rb6 Rb8 32. Rf6 b4 33. Rhf1 b3 34. cxb3 axb3 35. Kb2 Kg7 36. Rxf7+ Rxf7 37. Rxf7+ Kh6 38. Rc7 Rb6 39. Rxc5 1-0

[Event "Hampstead U2200 op 2nd"]
[White "Oyama, Harunobu"]
[Black "Rogers, Timothy"]
[Site "Hampstead"]
[Round "1"]
[Result "0-1"]
[Date "2012.11.24"]
[ECO "B10"]
[WhiteElo "1602"]
[BlackElo "1986"]
[PlyCount "66"]
[EventDate "2012.11.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Nf6 5. Bg2 Bd6 6. Ngf3 Bg4 7. h3 Bxf3 8. Qxf3 0-0 9. Nb3 Nbd7 10. Bd2 a5 11. a4 Re8 12. 0-0 h6 13. Qe2 b6 14. f4 dxe4 15. f5 exd3 16. Qxd3 Qc7 17. g4 Nc5 18. Qe3 Rad8 19. Kh1 Nxb3 20. Qxb3 Bc5 21. Be3 Bxe3 22. Qxe3 e4 23. Rad1 c5 24. Rxd8 Rxd8 25. Bxe4 Qe5 26. Re1 Re8 27. Qb3 Nxe4 28. Kg2 Qf4 29. Qe3 Qxe3 30. Rxe3 Kf8 31. Rb3 Rb8 32. Re3 Nd6 33. Kf3 Nc4 0-1

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Mallon, Gunnar"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "6"]
[Result "1-0"]
[Date "2012.06.05"]
[ECO "A25"]
[WhiteElo "1553"]
[BlackElo "1629"]
[PlyCount "117"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Nc6 4. g3 Bc5 5. Bg2 d6 6. h3 Be6 7. d3 Qd7 8. Nge2 h5 9. Be3 Bxe3 10. fxe3 Nh7 11. Qb3 Rb8 12. d4 exd4 13. exd4 Na5 14. Qb5 Nxc4 15. Qxh5 Ne3 16. d5 Nc2+ 17. Kd2 Nxa1 18. Rxa1 Ke7 19. dxe6 fxe6 20. Qg6 Rbf8 21. Qxg7+ Kd8 22. Qxd7+ Kxd7 23. Ke3 Ng5 24. h4 Nf7 25. Rf1 Ne5 26. Rxf8 Rxf8 27. b3 Ng4+ 28. Kd3 Rf2 29. Bh3 Rf3+ 30. Kd2 Ne5 31. Bxe6+ Kxe6 32. Nd4+ Kd7 33. Nxf3 Nxf3+ 34. Ke3 Ne5 35. Kf4 c6 36. Kf5 Ke7 37. g4 Kf7 38. h5 Kg7 39. g5 Nf7 40. h6+ Nxh6+ 41. gxh6+ Kxh6 42. Ke6 d5 43. exd5 cxd5 44. Kxd5 Kg6 45. Nb5 a5 46. Nd6 b6 47. Kc6 a4 48. b4 Kf6 49. Kxb6 Ke6 50. Nc4 Kd5 51. Na3 Kd4 52. Kb5 Kc3 53. Kxa4 Kb2 54. b5 Kxa2 55. b6 Kb2 56. b7 Ka1 57. b8Q Ka2 58. Qb3+ Ka1 59. Qb1# 1-0

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Oyama, Harunobu"]
[Black "Yusuf, Nudhara"]
[Site "London"]
[Round "5"]
[Result "1-0"]
[Date "2012.06.04"]
[ECO "B23"]
[WhiteElo "1629"]
[PlyCount "151"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e5 4. Bxc6 bxc6 5. d3 d6 6. f4 exf4 7. Bxf4 d5 8. Nf3 Bg4 9. 0-0 Nf6 10. e5 Nd7 11. h3 Bh5 12. Qe1 Be7 13. e6 Nf6 14. exf7+ Bxf7 15. Ne5 Rc8 16. Nxf7 Kxf7 17. Be5 Re8 18. Qf2 Kg8 19. Bxf6 Bxf6 20. Qxc5 a6 21. Rae1 Qc7 22. Na4 Rxe1 23. Rxe1 Qg3 24. Re2 Be5 25. Qe7 Qh2+ 26. Kf1 Qf4+ 27. Rf2 Qc1+ 28. Ke2 Qxc2+ 29. Ke3 Bd4+ 30. Kxd4 Qxf2+ 31. Kc3 Qf6+ 32. Qxf6 gxf6 33. Nc5 a5 34. Kd2 Re8 35. Nb3 Rb8 36. Kc2 Re8 37. Kd2 a4 38. Nc5 a3 39. bxa3 Ra8 40. a4 Kf7 41. d4 Rb8 42. Kc2 Rb4 43. Kc3 Rc4+ 44. Kd3 Rb4 45. Kc3 Rb8 46. a5 Ra8 47. a6 Ke7 48. Kb4 Kd6 49. Ka5 Kc7 50. g4 Ra7 51. Ne6+ Kb8 52. Kb6 Ra8 53. Nc5 Ra7 54. Kxc6 Rc7+ 55. Kd6 Ra7 56. Ke6 Kc7 57. Kxf6 Kb6 58. g5 Rc7 59. h4 Kb5 60. h5 Kc4 61. g6 hxg6 62. hxg6 Kxd4 63. Ne6+ Kc3 64. Nxc7 d4 65. Nd5+ Kd2 66. Nf4 Ke3 67. Kf5 d3 68. Nxd3 Kxd3 69. a7 Kc2 70. a8Q Kb1 71. g7 Ka1 72. g8Q Kb1 73. Qb3+ Kc1 74. Qc8+ Kd2 75. Qcc2+ Ke1 76. Qbb1# 1-0

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Sanitt, Leo"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "4"]
[Result "0-1"]
[Date "2012.06.04"]
[ECO "B23"]
[WhiteElo "1118"]
[BlackElo "1629"]
[PlyCount "122"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 e6 5. Nf3 Bg7 6. 0-0 Nge7 7. d3 d5 8. exd5 exd5 9. Bb5 0-0 10. Ne2 c4 11. dxc4 Qb6+ 12. Kh1 a6 13. cxd5 Qxb5 14. dxc6 Nxc6 15. Re1 Bg4 16. Qd3 Qxd3 17. cxd3 Bxf3 18. gxf3 Nd4 19. Nxd4 Bxd4 20. Re4 Rfd8 21. Rb1 Rac8 22. Be3 Bxe3 23. Rxe3 Rc2 24. a3 Rd2 25. Kg1 R8xd3 26. Rxd3 Rxd3 27. Kg2 Rb3 28. Kg3 f5 29. h4 h5 30. Kf2 Kf7 31. Ke2 Ke6 32. Kf2 Kd5 33. Rd1+ Kc5 34. Rc1+ Kb5 35. Rc2 Rd3 36. Ke2 Rd4 37. Ke3 Rd1 38. Kf2 Ka4 39. Rc4+ Kb5 40. Rb4+ Kc6 41. Rc4+ Kd5 42. Rb4 b5 43. Kg2 Rd4 44. Kf2 Rxb4 45. axb4 Kc4 46. Ke3 Kxb4 47. Kd4 Kb3 48. Ke5 Kxb2 49. Kf6 a5 50. Kxg6 a4 51. Kxf5 a3 52. Ke6 a2 53. f5 a1Q 54. f6 Qe1+ 55. Kf7 Qxh4 56. Kg7 Qg5+ 57. Kf7 Qd5+ 58. Kg7 Qxf3 59. f7 h4 60. Kh8 h3 61. Kh7 Qxf7+ 0-1

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Oyama, Harunobu"]
[Black "McDonald, Angus"]
[Site "London"]
[Round "3"]
[Result "0-1"]
[Date "2012.06.03"]
[ECO "B34"]
[WhiteElo "1629"]
[PlyCount "112"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be2 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Qb6 7. Nb3 Qc7 8. Nc3 Bxc3+ 9. bxc3 e5 10. Qd2 d6 11. 0-0-0 Nf6 12. f3 Ke7 13. h4 Be6 14. Bg5 Rad8 15. Bxf6+ Kxf6 16. Qg5+ Kg7 17. h5 h6 18. Qg3 g5 19. Qf2 a5 20. a4 Rc8 21. f4 exf4 22. Nd4 Ne5 23. Nxe6+ fxe6 24. Qd4 Qxc3 25. Qxc3 Rxc3 26. Rxd6 Rhc8 27. Bb5 Rxc2+ 28. Kb1 Kf6 29. Rb6 R8c7 30. Rd1 Rxg2 31. Rdd6 Re7 32. Rd8 f3 33. Rh8 Kg7 34. Rb8 f2 35. R8xb7 Rxb7 36. Rxb7+ Kf6 37. Rh7 Nf7 38. e5+ Nxe5 39. Rxh6+ Kf5 40. Rh8 Ng4 41. Rf8+ Ke5 42. Kc1 Ne3 43. Rf3 Nf5 44. Kd1 g4 45. Rc3 Rg1+ 46. Bf1 Rxf1+ 47. Ke2 Rh1 48. Kxf2 Rxh5 49. Rc5+ Kd6 50. Rxa5 g3+ 51. Kg1 Rh2 52. Ra6+ Ke5 53. Ra5+ Kf4 54. Rb5 Ne3 55. Rb4+ Kf3 56. Rb1 Ra2 0-1

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Sanitt, Ethan"]
[Black "Oyama, Harunobu"]
[Site "London"]
[Round "2"]
[Result "1/2-1/2"]
[Date "2012.06.03"]
[ECO "B34"]
[WhiteElo "1382"]
[BlackElo "1629"]
[PlyCount "87"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bb5 Bg7 7. Bxc6 bxc6 8. e5 Ng8 9. Bf4 f6 10. Nf3 Qa5 11. Qd4 Ba6 12. 0-0-0 Bc8 13. Rhe1 Qb6 14. Ne4 fxe5 15. Bxe5 Qxd4 16. Bxd4 Bxd4 17. Rxd4 Kf8 18. Neg5 h6 19. Ne4 Kg7 20. Ne5 d5 21. Nc5 Bf5 22. g4 Bc8 23. Nxc6 Bxg4 24. Rxg4 Rc8 25. Ne6+ Kh7 26. Ne5 g5 27. Nf7 Nf6 28. Ra4 Rhg8 29. Rxa7 Kg6 30. Rxe7 Ng4 31. f3 Kf6 32. Ra7 Nxh2 33. Nd6 Rc6 34. Rh1 Rxd6 35. Rxh2 Rxe6 36. Rxh6+ Rg6 37. Rxg6+ Kxg6 38. b4 Re3 39. Ra5 Rxf3 40. Rxd5 g4 41. b5 g3 42. Rd8 Kf7 43. Rd7+ Kf6 44. Rd6+ 1/2-1/2

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Oyama, Harunobu"]
[Black "Bullen, Alex"]
[Site "London"]
[Round "1"]
[Result "0-1"]
[Date "2012.06.02"]
[ECO "B10"]
[WhiteElo "1629"]
[BlackElo "1787"]
[PlyCount "74"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 Nbd7 7. 0-0 0-0 8. Re1 dxe4 9. Nxe4 Nxe4 10. dxe4 Nf6 11. Qd3 Qe7 12. Nh4 Rd8 13. Qe2 Be6 14. Nf5 Bxf5 15. exf5 Nd7 16. Bd2 Re8 17. Bc3 Nb6 18. Qe4 Nd5 19. Bd2 Rad8 20. Qa4 Bc5 21. Rad1 f6 22. c4 Nb4 23. Be4 Nd3 24. Bxd3 Rxd3 25. Be3 Rdd8 26. a3 a6 27. b4 Bxe3 28. Rxd8 Bxf2+ 29. Kxf2 Rxd8 30. Ke3 Qd7 31. Qc2 Qd4+ 32. Ke2 Qg4+ 33. Kf2 Rd4 34. Kg2 e4 35. Rf1 e3 36. Qc1 Rd2+ 37. Kg1 Qe2 0-1

[Event "London e2e4 Diamond Jubilee op-B"]
[White "Oyama, Harunobu"]
[Black "Pitkeathly, Hamish"]
[Site "London"]
[Round "7"]
[Result "1-0"]
[Date "2012.05.06"]
[ECO "B23"]
[WhiteElo "1629"]
[BlackElo "1470"]
[PlyCount "63"]
[EventDate "2012.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Qc7 4. d3 h6 5. f4 a6 6. Bxc6 Qxc6 7. Nf3 b5 8. 0-0 Bb7 9. Ne5 Qf6 10. Nd5 Bxd5 11. exd5 d6 12. Nc6 Kd7 13. c4 e6 14. a4 b4 15. a5 Ne7 16. Qa4 Kc7 17. Nxe7 Bxe7 18. Qc6+ Kb8 19. Be3 Qxb2 20. Rfb1 Qc3 21. Ra4 g6 22. Kh1 exd5 23. Bd4 Qd2 24. Bxh8 dxc4 25. Qe8+ Kb7 26. Qxe7+ Kc6 27. Qe4+ Kc7 28. Qxa8 Qc2 29. Qa7+ Kc6 30. Qxa6+ Kd5 31. Qxc4+ Qxc4 32. dxc4+ 1-0

