[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.05.14"]
[Round "10"]
[White "Koenigsberg, Andrew"]
[Black "Chong, Chor Yuen"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1965"]
[BlackElo "2075"]
[PlyCount "104"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 0-0 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4 8. Nf4 d6 9. 0-0 Nd7 10. Be3 Ne5 11. Qd5 Nf6 12. Qd2 Nfg4 13. Bd4 Qg5 14. Rad1 c6 15. h3 Nh6 16. Nh5 Qxd2 17. Rxd2 Nf5 18. f4 Nxd4 19. Rxd4 Nd7 20. Rf2 d5 21. c4 Nb6 22. cxd5 Nxd5 23. Bc4 Nb6 24. Bd3 c5 25. Re4 Bd7 26. Rfe2 c4 27. Rxe8+ Rxe8 28. Rxe8+ Bxe8 29. Be4 f5 30. Bf3 Bxh5 31. Bxh5 Na4 32. Bf3 b5 33. b3 cxb3 34. axb3 Nc5 35. Kf2 Kf7 36. Ke3 Ke6 37. Kd4 Kd6 38. Bd5 a5 39. Bg8 a4 40. bxa4 bxa4 41. Bxh7 Ne6+ 42. Kc4 Nxf4 43. Bxf5 Nxg2 44. Kb4 Ne3 45. Bd3 Ke5 46. Kxa4 Kf4 47. c4 Kg3 48. c5 Kxh3 49. Bc4 Nxc4 50. Kb4 Ne5 51. Kc3 Kg3 52. Kd4 Kf4 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.05.12"]
[Round "11"]
[White "Lee TH, Bryan"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1961"]
[BlackElo "1965"]
[PlyCount "110"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. Nf3 Bg7 9. Bd2 0-0 10. Qe2 Qc7 11. h3 Nbd7 12. g4 Re8 13. Kf1 b5 14. a3 Nxe4 15. Bxe4 d5 16. Qf2 dxe4 17. Re1 Bb7 18. Rxe4 Rxe4 19. Nxe4 Bxb2 20. c3 c5 21. Ng3 Qd6 22. Be3 Qd1+ 23. Kg2 Bxf3+ 24. Qxf3 Qxf3+ 25. Kxf3 Bxa3 26. Ne4 Nb6 27. Rb1 a6 28. Nxc5 Nc4 29. Ne4 Rd8 30. Bd4 f5 31. gxf5 gxf5 32. Rg1+ Kf8 33. Ng5 Rd7 34. Ne6+ Ke7 35. Ng7 Rd5 36. Nh5 b4 37. Rg7+ Kf8 38. Rc7 Rb5 39. cxb4 Nd2+ 40. Ke2 Bxb4 41. Rxh7 Ne4 42. Ra7 a5 43. Ng7 Be7 44. Be5 Ng3+ 45. Kf2 Bc5+ 46. Kxg3 Bxa7 47. Nxf5 Rxe5 48. fxe5 a4 49. e6 a3 50. e7+ Kf7 51. e8Q+ Kxe8 52. Nd6+ Kf8 53. Nb5 a2 54. Nxa7 a1Q 55. Nc6 Qc3+ 0-1

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.05.07"]
[Round "9"]
[White "Garceran Nieuwenburg, David"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1965"]
[PlyCount "194"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Nf3 Bf5 8. d3 Nf6 9. Nbd2 e6 10. Nh4 Nbd7 11. Nxf5 exf5 12. d4 Bd6 13. e3 0-0 14. Bd3 g6 15. 0-0 Qc7 16. g3 b5 17. Bb2 Nb6 18. Kg2 Qe7 19. Qc2 Ra8 20. Nb3 h5 21. Bc1 h4 22. f3 hxg3 23. hxg3 Nh5 24. f4 Kg7 25. Na5 Rc8 26. Rh1 Nf6 27. Kf3 Ne4 28. Qh2 Kf6 29. Qh4+ Ke6 30. Qxe7+ Bxe7 31. Bxe4 fxe4+ 32. Ke2 Nc4 33. Nxc4 bxc4 34. Bd2 Ra8 35. g4 Ra2 36. Rb1 Kd7 37. Kd1 Kc7 38. g5 Kb6 39. Kc1 Kb5 40. Rb2 Ra1+ 41. Rb1 Ra8 42. Kb2 Rh8 43. Ra1 Kb6 44. Kc2 Bd6 45. Rf1 Rh2 46. Kc1 Kb5 47. Kc2 Rg2 48. Kc1 Ka4 49. Kc2 Rh2 50. Ra1+ Kb5 51. Rf1 Rg2 52. Re1 Be7 53. Rh1 Bd6 54. Rf1 Kb6 55. Kd1 Rh2 56. Kc1 Be7 57. Rg1 Kc7 58. Kd1 Kd7 59. Re1 Ke6 60. Re2 Rxe2 61. Kxe2 Kf5 62. Kf2 Kg4 63. Kg2 f6 64. gxf6 Bxf6 65. Be1 Be7 66. Bd2 Bh4 67. Bc1 Be1 68. Bb2 Kf5 69. Kf1 Bh4 70. Bc1 Kg4 71. Kg2 Bg3 72. Bd2 Bh4 73. Bc1 Be1 74. Bb2 Kh4 75. Kf1 Bg3 76. Kg2 Kg4 77. Bc1 Bh4 78. Bd2 g5 79. fxg5 Bxg5 80. Be1 Bh4 81. Bd2 Be7 82. Be1 Bh4 83. Bd2 Bg3 84. Bc1 Be1 85. Bb2 Kf5 86. Kf1 Bg3 87. Bc1 Ke6 88. Bd2 Kd7 89. Kg2 Bd6 90. Kh3 Kc7 91. Kg4 Kb6 92. Kf5 Kb5 93. Ke6 Bg3 94. Kd7 Bh4 95. Kd6 Kb6 96. Kd7 Bg3 97. Kc8 Ka6 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.04.30"]
[Round "8"]
[White "Koenigsberg, Andrew"]
[Black "Or, David Man Tat"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1965"]
[PlyCount "92"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. Nge2 a6 6. 0-0 Qc7 7. a4 Be7 8. d3 0-0 9. f4 d6 10. Kh1 Bd7 11. Be3 Rfe8 12. h3 Bf8 13. g4 d5 14. Bg1 dxe4 15. dxe4 Red8 16. Qe1 Nb4 17. Rc1 Bc6 18. g5 Ne8 19. Bh2 Qe7 20. Rg1 g6 21. e5 Bxg2+ 22. Rxg2 Qd7 23. Ng3 Qc6 24. Nge4 Rd4 25. Bg1 Rd7 26. h4 Rad8 27. h5 Nd5 28. hxg6 fxg6 29. Nxd5 Rxd5 30. Qg3 Be7 31. Qf3 c4 32. Re1 Ng7 33. Nc3 Rd2 34. Qxc6 bxc6 35. Rxd2 Rxd2 36. Re2 Rxe2 37. Nxe2 Nf5 38. Kg2 h5 39. gxh6 Kh7 40. Kf3 Kxh6 41. Nd4 Nxd4+ 42. Bxd4 Kh5 43. Be3 Bd8 44. Bd2 Bb6 45. b3 cxb3 46. cxb3 Ba7 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.04.23"]
[Round "7"]
[White "Koenigsberg, Andrew"]
[Black "Muniz Pardino, Alberto"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1965"]
[BlackElo "2127"]
[PlyCount "83"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Na6 5. Bc4 Nxc5 6. Nge2 d6 7. Be3 Be6 8. Bxe6 Nxe6 9. 0-0 Nf6 10. h3 0-0 11. f4 Qa5 12. Rb1 Rfd8 13. f5 Nc7 14. b4 Qa3 15. b5 Qa5 16. b6 axb6 17. Bxb6 Qe5 18. Bd4 Qa5 19. Rxb7 Rdb8 20. Qb1 Rxb7 21. Qxb7 Nd7 22. Bxg7 Kxg7 23. Qb2 Ne5 24. Qc1 Qc5+ 25. Kh2 Ra3 26. Qf4 f6 27. Qd2 Nc4 28. Qc1 g5 29. Rf3 Nb5 30. Qe1 Qe5+ 31. Qg3 Nxc3 32. Qxe5 Nxe5 33. Rxc3 Rxa2 34. Nd4 Ra8 35. Rc7 Kf7 36. Ne6 h5 37. Kg3 h4+ 38. Kf2 Rg8 39. Rc3 Ra8 40. Rc7 Re8 41. Rc3 Ra8 42. Rc7 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.04.12"]
[Round "6"]
[White "Tsang, Hon Ki"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2071"]
[BlackElo "1965"]
[PlyCount "103"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. 0-0 Qb6 9. Be2 Bg7 10. Kh1 0-0 11. Nb3 a5 12. Qxd6 a4 13. Qc5 Nfd7 14. Qxb6 Nxb6 15. Nc5 Bd4 16. Nd3 a3 17. Nd1 Nc4 18. c3 Bb6 19. b3 Nd6 20. N1f2 f5 21. e5 Nb5 22. Bd2 Rd8 23. Rfd1 Be6 24. Nh3 h6 25. Ng1 Nd7 26. Nf3 Nf8 27. Nb4 Nc7 28. c4 Bc5 29. Nc2 Be7 30. Bb4 Bxb4 31. Nxb4 Nd7 32. Nc2 Re8 33. Nfd4 Nc5 34. Bf3 Re7 35. Kg1 Bf7 36. g3 N7e6 37. Nxe6 Nxe6 38. Nd4 Nc5 39. Kf2 Kf8 40. Ke3 Bg8 41. Kd2 Ke8 42. Kc3 Bh7 43. Kb4 Nd7 44. Nc2 g5 45. Rd6 g4 46. Bg2 h5 47. Rad1 Bg8 48. Rh6 Bf7 49. Rdd6 Nf8 50. Nd4 Rc7 51. Nxf5 c5+ 52. Kc3 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.04.02"]
[Round "5"]
[White "Koenigsberg, Andrew"]
[Black "Chan, Chak Man"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1965"]
[BlackElo "1843"]
[PlyCount "49"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bg5 f6 7. Bh4 e5 8. dxe5 Nxe5 9. Rd1 Nbc6 10. f4 Nf7 11. Bc4 0-0 12. Nf3 Qe7 13. 0-0 Be6 14. Nd5 Qd7 15. Bb3 Nfd8 16. f5 Bf7 17. fxg6 hxg6 18. Bxf6 Ne6 19. Bxg7 Kxg7 20. Qc3+ Kh6 21. Ne5 Nxe5 22. Nf6 Nf3+ 23. Rxf3 Qc6 24. Rh3+ Kg5 25. Nh7+ 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.03.26"]
[Round "4"]
[White "Scott, Ian"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1697"]
[BlackElo "1965"]
[PlyCount "59"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. a4 e6 7. Be2 d5 8. exd5 exd5 9. 0-0 Bd6 10. Ne5 Bxe2 11. Qxe2 0-0 12. Bg5 Re8 13. f4 Nbd7 14. Qd3 Qc7 15. Nxd7 Nxd7 16. Qf3 Qb6 17. Qd3 a5 18. Kh1 Qc7 19. Qf3 f6 20. Bh4 Re7 21. f5 Rae8 22. Bf2 Nb6 23. b3 Bf4 24. Rae1 Rxe1 25. Rxe1 Rxe1+ 26. Bxe1 Nc8 27. Qe2 Qe7 28. Qxe7 Nxe7 29. g4 h5 30. Ne2 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.03.19"]
[Round "3"]
[White "Koenigsberg, Andrew"]
[Black "Qian, Kun Arthas"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1965"]
[BlackElo "2012"]
[PlyCount "47"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 dxc4 5. Bxc4 g6 6. Nf3 Qe7+ 7. Be3 Bg7 8. 0-0 Nf6 9. Re1 0-0 10. Nc3 Bg4 11. h3 Bxf3 12. Qxf3 Qb4 13. Bb3 Nbd7 14. g4 c6 15. g5 Ne8 16. Ne4 Rd8 17. Rad1 a5 18. Bd2 Qb5 19. a4 Qb6 20. Nc5 Bxd4 21. Rxe8 Qxc5 22. Qxf7+ Kh8 23. Rxd8 Rxd8 24. Be3 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.03.12"]
[Round "2"]
[White "Luk, Luen Wah"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2215"]
[BlackElo "1965"]
[PlyCount "62"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Qb3 Qb6 7. Nh4 Qxb3 8. axb3 Bc2 9. cxd5 exd5 10. Nf3 Bxb3 11. Bd3 b5 12. Ne5 Nfd7 13. f4 Nxe5 14. fxe5 Nd7 15. Ra6 Nb6 16. e4 Bb4 17. Bd2 0-0 18. exd5 Bxc3 19. bxc3 Bxd5 20. 0-0 f6 21. exf6 Rxf6 22. Rfa1 Na4 23. c4 bxc4 24. Bxc4 Bxc4 25. R6xa4 Bb5 26. R4a3 Re8 27. Rxa7 Re2 28. Bb4 h5 29. Be1 Rg6 30. g3 Rf6 31. R7a2 Rf1+ 0-1

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2012.03.05"]
[Round "1"]
[White "Koenigsberg, Andrew"]
[Black "Lo, Cheuk Wai"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1965"]
[BlackElo "1797"]
[PlyCount "101"]
[EventDate "2012.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 0-0 10. 0-0-0 a6 11. Kb1 Bxd4 12. Bxd4 b5 13. h4 b4 14. Na4 Qa5 15. b3 Bb7 16. h5 Nxd4 17. Qxd4 Rac8 18. Bd3 Bc6 19. Nb2 Bb5 20. h6 g6 21. Rd2 Nc5 22. g4 Rc6 23. f5 Rfc8 24. fxe6 fxe6 25. Rf2 Qc7 26. Qf4 Bxd3 27. cxd3 Qe7 28. Rhf1 a5 29. Rc2 Nd7 30. Rxc6 Rxc6 31. d4 Qf8 32. Nd3 Qxf4 33. Nxf4 Nf8 34. Rf3 Rc7 35. Kb2 Rf7 36. Rf2 Rc7 37. Ne2 Nd7 38. g5 Rc8 39. Nc1 Rc3 40. a3 Rc8 41. axb4 axb4 42. Nd3 Rb8 43. Rc2 Kf7 44. Rc7 Ke8 45. Nc5 Nf8 46. Rg7 Rb6 47. Nb7 Rc6 48. Nc5 Rb6 49. Rg8 Rc6 50. Ka2 Rb6 51. Rxf8+ 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.02.27"]
[Round "9.6"]
[White "Koenigsberg, Andrew"]
[Black "Galicia, Eugenio Jr"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1965"]
[BlackElo "1701"]
[PlyCount "63"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 Nc6 6. c4 Nf6 7. d5 Ne5 8. f4 Ng6 9. h4 h5 10. Qc2 e6 11. dxe6 Bb4+ 12. Nc3 Bc6 13. Nf3 Ne4 14. f5 Nf8 15. exf7+ Kxf7 16. Ne5+ Kg8 17. Nxc6 Bxc3+ 18. bxc3 Qf6 19. Qxe4 Qxc3+ 20. Kf2 Qxa1 21. Ne7+ Kf7 22. Ng6 Kg8 23. Qd5+ Kh7 24. Bxh5 Qxa2+ 25. Kg1 c6 26. Qe4 Qa1 27. Kh2 Qf6 28. Ne7 Rg8 29. Rf1 Rd8 30. Bg6+ Kh8 31. Qg4 Nh7 32. Qh5 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.02.20"]
[Round "8.3"]
[White "Kuan, Julian"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1810"]
[BlackElo "1965"]
[PlyCount "75"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7 8. Bxc6 dxc6 9. Nxe5 Bf5 10. 0-0 Bxc2 11. d3 0-0-0 12. Re1 Rhf8 13. Qxc2 Bb4 14. Re2 Rde8 15. Nf3 h6 16. Rxe8+ Rxe8 17. Be3 g5 18. d4 Bd6 19. Ne5 Bxe5 20. dxe5 Qxe5 21. Rd1 Qe6 22. Qa4 a6 23. h3 Rd8 24. Rxd8+ Kxd8 25. Qd4+ Ke7 26. b3 Qg6 27. Qe5+ Kd7 28. Kh2 b6 29. g4 Kd8 30. Bd4 Qd3 31. Qf6+ Ke8 32. Qxc6+ Kd8 33. Qf6+ Ke8 34. Qe6+ Kf8 35. Qxh6+ Kf7 36. Qf6+ Ke8 37. Qe6+ Kf8 38. Qf5+ 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.02.13"]
[Round "7.6"]
[White "Koenigsberg, Andrew"]
[Black "Lo, Cheuk Wai"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1965"]
[BlackElo "1797"]
[PlyCount "63"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Bb4+ 5. Nc3 Nf6 6. Bd3 0-0 7. Nge2 dxc4 8. Bxc4 Nbd7 9. Qd3 Nb6 10. Bb3 Bg4 11. 0-0 Qd7 12. Bc2 Bh5 13. Nf4 Bg6 14. Nxg6 hxg6 15. Be3 Rad8 16. Rad1 Nfd5 17. Bg5 Be7 18. Qg3 Bxg5 19. Qxg5 Qe7 20. Qg3 Qb4 21. Bb3 Nxc3 22. bxc3 Qd6 23. Rde1 Rde8 24. Rxe8 Rxe8 25. Qf3 Re7 26. Qxb7 c5 27. dxc5 Qxc5 28. Qf3 a5 29. g3 a4 30. Bxa4 Nxa4 31. Qa8+ Kh7 32. Qxa4 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.01.30"]
[Round "5.6"]
[White "Lo, Billy"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1953"]
[BlackElo "1965"]
[PlyCount "77"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Qe2 d5 7. Nxe5 dxe4 8. Nxc6 bxc6 9. Bxc6+ Bd7 10. Bxa8 Qxa8 11. 0-0 Qd5 12. d3 Bc5 13. dxe4 Nxe4 14. Be3 Bd6 15. c4 Qe5 16. f4 Qe7 17. Bxa7 0-0 18. Rae1 Bc6 19. Bd4 Qh4 20. Rf3 Bxf4 21. Rh3 Qd8 22. Qd3 Be5 23. Bxe5 Qg5 24. Bg3 Qc5+ 25. Qe3 Qf5 26. Rh4 Re8 27. Qf3 Qc5+ 28. Bf2 Qg5 29. Qh5 Qd2 30. Qxh7+ Kf7 31. Qf5+ Kg8 32. Rhxe4 Bxe4 33. Rxe4 Qc1+ 34. Be1 Rf8 35. Qd5+ Kh7 36. Qd2 Qb1 37. Re3 Kg8 38. Qd5+ Kh7 39. Qd3+ 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.01.19"]
[Round "4.2"]
[White "Lee, TH Bryan"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1961"]
[BlackElo "1965"]
[PlyCount "114"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Bxc6 bxc6 8. Nxe5 0-0 9. Bg5 Qe8 10. Bxf6 Rxf6 11. Nd3 Bd4 12. c3 Bb6 13. Nd2 Ba6 14. c4 Rb8 15. Qc2 Qh5 16. Rac1 Rbf8 17. c5 Rh6 18. h3 Rg6 19. Kh1 Ba5 20. b4 Bxb4 21. Nxb4 Bxf1 22. Nxf1 Kh8 23. Ng3 Qg5 24. Nd3 h5 25. Rg1 Re6 26. Ne1 Qh4 27. Qe2 g6 28. Nf3 Qf4 29. h4 Rfe8 30. Rd1 d5 31. Qb2+ Kg8 32. exd5 cxd5 33. Rxd5 Re1+ 34. Kh2 R1e4 35. Rd7 R4e7 36. Rd4 Qf6 37. Qb3+ Kg7 38. Qd3 Rf8 39. Qd2 Rfe8 40. Rf4 Qe6 41. Qd4+ Kg8 42. Rf6 Qg4 43. Qd5+ Kg7 44. Ra6 Rd7 45. Qc6 Ree7 46. Qf6+ Kh7 47. Rxa7 Re8 48. Ng5+ Kg8 49. Qxg6+ Kf8 50. Qf6+ Kg8 51. Nf3 Rg7 52. Ra6 Kh7 53. Qh6+ Kg8 54. Qxh5 Qc8 55. Rh6 Kf8 56. Rh8+ Rg8 57. Qh6+ Kf7 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.01.16"]
[Round "3.4"]
[White "Koenigsberg, Andrew"]
[Black "Wong, Enoch Yat Long"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "1965"]
[BlackElo "1757"]
[PlyCount "73"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d5 6. Bxd5 Nf6 7. Nc3 Nxd5 8. Nxd5 Nc6 9. Qb3 Na5 10. Qa4+ c6 11. Rd1 Bd7 12. Ne3 c5 13. Rxd7 Qxd7 14. Qxa5 Qd3 15. Nf3 Qb1+ 16. Nd1 Qxe4+ 17. Kd2 Rd8+ 18. Kc1 Qc4+ 19. Kb1 Qd3+ 20. Ka1 f6 21. Re1+ Be7 22. Nc3 Qd7 23. Qxc5 b6 24. Qe3 Kf7 25. Qf4 Kg8 26. Qc4+ Kf8 27. Qe4 Bc5 28. Qc2 Qg4 29. Ne4 Be7 30. Qc7 Qd7 31. Qf4 Kg8 32. Ng3 Bd6 33. Qc4+ Qf7 34. Qd3 Bc7 35. Qf5 Kf8 36. Ba3+ Bd6 37. Bxd6+ 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.01.12"]
[Round "2.9"]
[White "Koenigsberg, Andrew"]
[Black "Scott, Ian"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1965"]
[BlackElo "1697"]
[PlyCount "83"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 Bb4+ 8. Nc3 Bxf3 9. Bxf3 Qc4 10. Bxc6+ bxc6 11. Qe2+ Qxe2+ 12. Kxe2 0-0-0 13. Be3 Ne7 14. Rhd1 Rd7 15. Rd3 Rhd8 16. Rad1 Nf5 17. g4 Nd6 18. Na4 Nb5 19. a3 Be7 20. Nc5 Rd5 21. a4 Nd6 22. Rc1 Ne8 23. Rdc3 Bxc5 24. Rxc5 Rxc5 25. Rxc5 Rd6 26. Re5 Nf6 27. Re7 Rd7 28. Rxd7 Kxd7 29. h3 Nd5 30. Kd3 Kd6 31. Kc4 a6 32. a5 f6 33. Bd2 g5 34. f3 h6 35. b3 Ne7 36. Bb4+ Kd7 37. Bxe7 Kxe7 38. Kc5 Kd7 39. b4 Ke6 40. Kxc6 f5 41. b5 fxg4 42. fxg4 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2012.01.09"]
[Round "1.4"]
[White "Limbu, Chandra Singh"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "C63"]
[BlackElo "1965"]
[PlyCount "65"]
[EventDate "2012.01.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7 8. Bxc6 dxc6 9. Qxe5 Bg4 10. Qxf6 Bxf6 11. 0-0 0-0 12. d3 Bxf3 13. gxf3 Rad8 14. Be3 Rd5 15. Rab1 Be7 16. f4 Bd6 17. Rfe1 Rdf5 18. Re2 h5 19. Rbe1 h4 20. h3 R8f7 21. Bd2 Bxf4 22. Bxf4 Rxf4 23. Rf1 Kh7 24. Re4 Rxe4 25. dxe4 g5 26. Rd1 Kg6 27. Kg2 Kf6 28. f3 Ke5 29. Kf2 Rf6 30. Ke3 Rd6 31. Rg1 Rg6 32. Rd1 Rd6 33. Rg1 1/2-1/2

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2011.10.05"]
[Round "7"]
[White "Koenigsberg, Andrew"]
[Black "Lai, Cyrus Ho Yeung"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1947"]
[BlackElo "1811"]
[PlyCount "107"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. 0-0 Nf6 8. h3 Bd7 9. Qe2 e6 10. Rd1 Qb8 11. Bf4 Ne5 12. Bb3 Be7 13. Rac1 0-0 14. Bg3 Nxf3+ 15. Qxf3 Bc6 16. Bc2 Rd8 17. Rd2 b5 18. Qe2 b4 19. Nd1 Qb7 20. f3 Nh5 21. Qf2 Nxg3 22. Qxg3 Rac8 23. Ne3 Qb6 24. Re1 d5 25. Kh1 b3 26. Bxb3 Bb4 27. Rde2 Bxe1 28. Rxe1 dxe4 29. f4 Bd5 30. Bd1 f5 31. b3 Qd4 32. Bh5 Rc3 33. Qg5 Qf6 34. Qg3 Bc6 35. Qf2 Bb5 36. Nd1 Rcd3 37. Qb6 Qh6 38. Be2 Rd2 39. Nc3 Bxe2 40. Nxe2 Qf6 41. Qxa6 Rd1 42. Qa5 Rxe1+ 43. Qxe1 e5 44. Qc1 Qd6 45. Qc4+ Qd5 46. fxe5 Qxc4 47. bxc4 Rd2 48. Nc3 Rc2 49. Nd5 Kf7 50. Kg1 Rxc4 51. Ne3 Rc1+ 52. Kf2 Ke6 53. g4 g6 54. Kg3 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2011.10.02"]
[Round "3"]
[White "Koenigsberg, Andrew"]
[Black "Levine, Seth"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1947"]
[BlackElo "1785"]
[PlyCount "47"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 d6 7. Qd2 Nf6 8. Bh6 0-0 9. Bxg7 Kxg7 10. Nge2 Qa5 11. Nd5 Qxd2+ 12. Kxd2 Rb8 13. Nec3 e6 14. Ne3 b5 15. f4 Bb7 16. Rhf1 Nd4 17. Rf2 Ba8 18. Raf1 Rbd8 19. Ncd1 b4 20. f5 exf5 21. c3 Nb5 22. exf5 Bxg2 23. Rxg2 Nc7 24. h3 1/2-1/2

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2011.10.02"]
[Round "5"]
[White "Koenigsberg, Andrew"]
[Black "Muniz Pardino, Alberto"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1947"]
[BlackElo "2107"]
[PlyCount "90"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 a5 8. Qe2 c6 9. Rd1 Qc7 10. Ba2 b6 11. Bg5 h6 12. Bc1 Ba6 13. Qe3 Rac8 14. Nh4 exd4 15. Rxd4 d5 16. exd5 Bc5 17. d6 Bxd6 18. Rxd6 Rce8 19. Re6 Rxe6 20. Bxe6 Re8 21. Qd4 fxe6 22. Be3 c5 23. Qd1 Bb7 24. Nb5 Qc6 25. Nd6 Rf8 26. Nxb7 Qxb7 27. Ng6 Re8 28. Qd3 Nd5 29. Bd2 Qc7 30. c4 Nb4 31. Bxb4 cxb4 32. b3 Nc5 33. Qb1 Qd6 34. h4 e5 35. h5 e4 36. Ra2 Rd8 37. Rb2 Qf6 38. Re2 Qg5 39. Rxe4 Nxe4 40. Qxe4 Rd1+ 41. Kh2 Qxh5+ 42. Nh4 Rd8 43. Qe6+ Kh8 44. g3 Re8 45. Qxb6 Qe2 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2011.10.02"]
[Round "6"]
[White "Scott, Ian"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1654"]
[BlackElo "1947"]
[PlyCount "66"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Qd3 d6 8. Qc4 Qe7 9. Bg5 Be6 10. Qa4 0-0 11. Bxc6 bxc6 12. b4 Bb6 13. Qxc6 Qf7 14. Bxf6 Qxf6 15. Nbd2 Bg4 16. Qd5+ Kh8 17. Qd3 Qh6 18. a4 a5 19. b5 Rf4 20. Ra3 Raf8 21. Qe2 Qh5 22. Rb1 R8f6 23. Rd3 Be6 24. Rc3 Rh4 25. Nf1 Rg6 26. Qd2 Rxe4 27. Ng3 Qg4 28. Kf1 Rxa4 29. h3 Qf4 30. Qxf4 Rxf4 31. Ne2 Rb4 32. Rxb4 axb4 33. Rd3 e4 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2011.10.01"]
[Round "1"]
[White "Koenigsberg, Andrew"]
[Black "Woods, John Philip"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1947"]
[PlyCount "65"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. 0-0 d6 8. Qe2 Be7 9. Rd1 Qc7 10. Be3 Nf6 11. Rac1 0-0 12. Bb3 b5 13. Nd5 Qb7 14. Rxc6 exd5 15. Qc2 Bd7 16. Rc7 Qb8 17. Bxd5 Nxd5 18. exd5 Rd8 19. Rc1 Bf8 20. Ng5 g6 21. Qe4 Bf5 22. Qh4 h6 23. Nxf7 Rd7 24. Nxh6+ Bxh6 25. Rxd7 Bxd7 26. Bxh6 Qe8 27. Qf4 Qf7 28. Qxd6 Re8 29. Be3 Bf5 30. Rc7 Rxe3 31. fxe3 Qe8 32. Qe7 Qf8 33. Qh7# 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.06.20"]
[Round "10"]
[White "Qian, Kun Arthas"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2147"]
[BlackElo "1947"]
[PlyCount "75"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. Nbd2 Bg4 7. g3 Qd7 8. Bg2 f6 9. exf6 Nxf6 10. 0-0 Be7 11. b3 Rd8 12. Bb2 0-0 13. Re1 Bh3 14. e3 dxe3 15. Rxe3 Bc5 16. Re2 Bxg2 17. Kxg2 Ng4 18. Qf1 Bxf2 19. Qc1 Bd4 20. Nxd4 Nxd4 21. Bxd4 Qc6+ 22. Kg1 Rxd4 23. Qc3 Rfd8 24. Rf1 Rd3 25. Qxa5 Ne3 26. Rff2 Ng4 27. Rf4 b6 28. Qf5 Nf6 29. Rff2 h6 30. Nf3 Rd1+ 31. Kg2 R1d3 32. Kh3 Rxb3 33. Re6 Qxc4 34. Ne5 Qd5 35. Rxf6 gxf6 36. Qg6+ Kf8 37. Rxf6+ Ke7 38. Qg7+ 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.06.13"]
[Round "9"]
[White "Lai, Cyrus Ho Yeung"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1783"]
[BlackElo "1947"]
[PlyCount "86"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Nxe5 Nxe5 6. dxe5 c6 7. Nc3 cxb5 8. Nxe4 d5 9. exd6 Nf6 10. 0-0 Nxe4 11. Qh5+ g6 12. Qe5+ Kf7 13. Qxh8 Nf6 14. Bh6 Bf5 15. Qxf8+ Qxf8 16. Bxf8 Rxf8 17. Rfe1 Re8 18. f3 Rxe1+ 19. Rxe1 Be6 20. Re5 a6 21. Kf2 Ne8 22. Rc5 h5 23. d7 Bxd7 24. Ke3 Kf6 25. Rd5 Bc6 26. Rd4 Ke5 27. g4 Bxf3 28. gxh5 gxh5 29. Rd7 Bc6 30. Rh7 Nf6 31. Rh8 b4 32. Kd2 Ke4 33. c3 bxc3+ 34. Kxc3 Nd5+ 35. Kd2 Nf4 36. a3 Kf3 37. Rf8 Kg4 38. Ke3 Ng2+ 39. Kf2 Kh3 40. Rh8 h4 41. Kg1 Ne1 42. Rd8 Nf3+ 43. Kf2 Kxh2 0-1

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.05.30"]
[Round "8"]
[White "Koenigsberg, Andrew"]
[Black "Tsang, Hon Ki"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "1947"]
[BlackElo "2079"]
[PlyCount "95"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 d5 5. Bxd5 cxb2 6. Bxb2 Nf6 7. Nc3 Nxd5 8. Nxd5 c6 9. Nf6+ gxf6 10. Qxd8+ Kxd8 11. Bxf6+ Kc7 12. Bxh8 Bb4+ 13. Ke2 Nd7 14. Rb1 a5 15. Bd4 c5 16. Be3 b6 17. Bf4+ Kc6 18. Nf3 Ba6+ 19. Ke3 Re8 20. Rhd1 c4 21. Rxb4 axb4 22. Rd6+ Kc7 23. Re6+ Kd8 24. Bc7+ Kxc7 25. Rxe8 c3 26. Nd4 Bc4 27. Nc2 Nf6 28. Re7+ Kd6 29. Rb7 Kc6 30. Ra7 Ng4+ 31. Kd4 b3 32. axb3 Bxb3 33. Nb4+ Kd6 34. Kxc3 Be6 35. f4 Nxh2 36. f5 Bc8 37. Rxf7 Ng4 38. Kd4 Bd7 39. e5+ Nxe5 40. Rf6+ Ke7 41. Kxe5 h5 42. Rxb6 h4 43. Rh6 h3 44. Rxh3 Be8 45. Rh7+ Kd8 46. Kd6 Kc8 47. Rh8 Kb8 48. f6 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.05.23"]
[Round "7"]
[White "Scott, Ian"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "1590"]
[BlackElo "1947"]
[PlyCount "141"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Qe2 fxe4 5. Qxe4 Nf6 6. Qe2 Be7 7. Nc3 Nd4 8. Nxd4 exd4 9. Ne4 0-0 10. 0-0 c6 11. Ba4 d5 12. Ng3 Bd6 13. d3 Ng4 14. h3 Nxf2 15. Rxf2 Bxg3 16. Rxf8+ Qxf8 17. Bd2 Bd7 18. Rf1 Qd6 19. c3 Qg6 20. Kh1 Bd6 21. Rf3 Rc8 22. Qf1 dxc3 23. bxc3 Rf8 24. Bd1 Rxf3 25. Qxf3 Bf5 26. Be2 Qg3 27. Qxg3 Bxg3 28. d4 Kf7 29. Kg1 Kf6 30. Kf1 g6 31. Be3 h5 32. Bd2 Be4 33. Be3 Kf5 34. Bd2 Bb1 35. a3 Ke4 36. Bd1 Bd3+ 37. Be2 b6 38. Bc1 c5 39. dxc5 bxc5 40. a4 a5 41. Bd2 c4 42. Bg5 Be5 43. Bd2 Bxe2+ 44. Kxe2 Bf4 45. Be1 Be3 46. Bg3 Bb6 47. Be1 Bc7 48. Bf2 g5 49. Be1 g4 50. hxg4 hxg4 51. Bf2 Be5 52. Be1 g3 53. Bd2 Bf4 54. Be1 Bd6 55. Bd2 Bf4 56. Be1 Bb8 57. Bd2 Bc7 58. Be1 d4 59. cxd4 Kxd4 60. Kd2 Bd6 61. Kc2 Bc7 62. Bd2 Kc5 63. Be1 Kd4 64. Bd2 Kc5 65. Be1 Kd5 66. Bd2 Kd4 67. Be1 Ke3 68. Kc3 Ke2 69. Bxg3 Bxg3 70. Kxc4 Kf2 71. Kb5 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.05.16"]
[Round "6"]
[White "Koenigsberg, Andrew"]
[Black "Dew, Brian"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1947"]
[BlackElo "2222"]
[PlyCount "106"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 b5 7. Qd2 b4 8. Nd1 d6 9. Ne2 Nd4 10. c3 Nxe2 11. Qxe2 bxc3 12. bxc3 Ba6 13. 0-0 Qc7 14. f4 Nf6 15. e5 Nd7 16. Nf2 0-0 17. e6 fxe6 18. Qg4 Rf5 19. Bd2 Kh8 20. Rab1 Rbf8 21. Rfe1 e5 22. Ne4 Nf6 23. Nxf6 R5xf6 24. fxe5 dxe5 25. Qa4 Qd6 26. Bg5 R6f7 27. Be4 Bxd3 28. Rbd1 c4 29. Qxa7 Qe6 30. Bxd3 cxd3 31. Qe3 Qxa2 32. Rxd3 Rf2 33. Rd2 Rxd2 34. Qxd2 Qxd2 35. Bxd2 Rc8 36. Re4 Kg8 37. Kf2 Kf7 38. Ke2 Ke6 39. Kd3 Rd8+ 40. Kc2 Kd5 41. Rh4 h5 42. Ra4 e4 43. Be3 Rc8 44. Ra5+ Ke6 45. Ra6+ Kf5 46. Ra7 Rxc3+ 47. Kd2 Rd3+ 48. Ke2 Bf6 49. Ra5+ Ke6 50. Ra6+ Kf7 51. Ra4 Rb3 52. Rxe4 Rb2+ 53. Kf3 Rxh2 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.05.09"]
[Round "5"]
[White "Luk, Luen Wah"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2270"]
[BlackElo "1947"]
[PlyCount "90"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Bb4 9. Qe2 Bg4 10. Rd1 Rc8 11. h3 Bxf3 12. Qxf3 0-0 13. e4 e5 14. Bg5 exd4 15. Rxd4 Ne5 16. Qe3 Qe7 17. Bxf6 gxf6 18. Be2 Kh8 19. Qh6 Rg8 20. Kf1 Rg6 21. Qd2 Bc5 22. f4 Bxd4 23. Qxd4 Rd8 24. Qxa7 Nd3 25. Qb6 Nxf4 26. Bf3 Rdg8 27. Qf2 Qb4 28. Rd1 Qc4+ 29. Be2 Nxe2 30. Nxe2 Qxe4 31. Nf4 Rg5 32. Qd4 Qe7 33. g4 Re8 34. Rd2 Qe1+ 35. Kg2 Rge5 36. Rf2 c5 37. Qd6 Qe4+ 38. Kg3 Qe3+ 39. Kg2 R5e6 40. Nxe6 Qxe6 41. Qxc5 Rc8 42. Qd4 Kg8 43. Rd2 Re8 44. Rf2 Qe4+ 45. Qxe4 Rxe4 1/2-1/2

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.04.11"]
[Round "4"]
[White "Koenigsberg, Andrew"]
[Black "Borigas, Edgardo"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1947"]
[BlackElo "2013"]
[PlyCount "85"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. Qd2 Ng4 8. Nge2 0-0 9. 0-0 Nxe3 10. fxe3 Bh6 11. Nd5 Ne5 12. Rae1 Bg7 13. b3 Rb8 14. Rd1 Bg4 15. h3 Bxe2 16. Qxe2 e6 17. Nf4 Qa5 18. c4 Nc6 19. h4 b5 20. h5 g5 21. Qg4 h6 22. Nxe6 Ne5 23. Qf5 fxe6 24. Qxe6+ Nf7 25. Bh3 d5 26. Qg6 Rb6 27. Be6 Rxe6 28. Qxe6 d4 29. exd4 cxd4 30. Rf5 Qc7 31. Kg2 bxc4 32. bxc4 Qd6 33. Qxd6 Nxd6 34. Rxf8+ Kxf8 35. Rb1 Ke7 36. c5 Ne8 37. Rb7+ Kf6 38. Rxa7 Bf8 39. Ra8 Kf7 40. Rc8 Nf6 41. a4 Nd7 42. c6 Ne5 43. Rxf8+ 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.04.04"]
[Round "3"]
[White "Lai, Robin"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1892"]
[BlackElo "1947"]
[PlyCount "89"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 c6 4. Nf3 Bf5 5. 0-0 h6 6. Nbd2 e6 7. c4 Be7 8. Qb3 Qb6 9. Qxb6 axb6 10. Ne5 Na6 11. Ndf3 Ne4 12. cxd5 exd5 13. Be3 Nd6 14. a3 0-0 15. g4 Be6 16. h3 Rfe8 17. Rac1 f6 18. Nd3 Nc4 19. Nd2 Bf7 20. Nxc4 dxc4 21. Ne1 Nc7 22. Nf3 Bd6 23. Nd2 b5 24. Ne4 Bf8 25. Rcd1 Nd5 26. Bd2 Bg6 27. Ng3 Rad8 28. e4 Nc7 29. Bc3 Ne6 30. f4 Bf7 31. e5 Rd7 32. f5 Nxd4 33. e6 Bxe6 34. fxe6 Rxe6 35. Bxd4 Rxd4 36. Rxd4 Bc5 37. Rfd1 Re3 38. Nf5 Rd3 39. R1xd3 cxd3 40. Kf1 Bxd4 41. Nxd4 Kf7 42. Ke1 Ke7 43. Kd2 Kd6 44. Kxd3 Ke5 45. Nf5 1-0

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.03.28"]
[Round "2"]
[White "Koenigsberg, Andrew"]
[Black "Or, David Man Tat"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1947"]
[BlackElo "2147"]
[PlyCount "102"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bg5 h6 7. Bh4 Nd7 8. f4 c5 9. Be2 cxd4 10. Nd5 Ndf6 11. Qxd4 0-0 12. Nxf6+ Nxf6 13. c3 Ng4 14. Qd2 Qc7 15. h3 Nf6 16. Bd3 b5 17. Bxf6 Bxf6 18. Bxb5 Rb8 19. Qe2 a6 20. Bc4 Be6 21. Bb3 Bxb3 22. axb3 Rxb3 23. Kf1 Rfb8 24. Ra2 Qc5 25. Nf3 g5 26. e5 dxe5 27. fxe5 Bg7 28. g4 Qd5 29. Rh2 Rxb2 30. Rxb2 Rxb2 31. Qxb2 Qxf3+ 32. Rf2 Qxh3+ 33. Rg2 Bxe5 34. Qe2 Qxc3 35. Qxa6 Qc1+ 36. Ke2 Bf4 37. Qd3 Qb2+ 38. Kf1 Qc1+ 39. Ke2 e5 40. Kf3 Qh1 41. Qe2 h5 42. gxh5 Qxh5+ 43. Rg4 Qh3+ 44. Ke4 Qc3 45. Qb5 Qd4+ 46. Kf5 Kg7 47. Rg2 e4 48. Kg4 e3 49. Kh5 Qf6 50. Kg4 Be5 51. Qd3 Qf4+ 0-1

[Event "Hong Kong-ch"]
[Site "Hong Kong"]
[Date "2011.03.21"]
[Round "1"]
[White "Chong, Chor Yuen"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2051"]
[BlackElo "1947"]
[PlyCount "58"]
[EventDate "2011.03.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 0-0 12. Rd1 Rc8 13. e4 e5 14. dxe5 Nxe5 15. Qf5 Qa5 16. Ba2 Bxc3 17. bxc3 Qxc3 18. Bf4 Rce8 19. Rab1 b6 20. Bg5 Ng6 21. Bxf6 Qxf6 22. Qxf6 gxf6 23. Rd7 Re7 24. Rxe7 Nxe7 25. Rd1 Ra8 26. Rd7 Kf8 27. Rd6 Kg7 28. Rd7 Kf8 29. Rd6 Kg7 1/2-1/2

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.03.07"]
[Round "8"]
[White "Koenigsberg, Andrew"]
[Black "Borigas, Edgardo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1947"]
[BlackElo "2013"]
[PlyCount "47"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 c6 6. Bd3 Be7 7. Nge2 0-0 8. 0-0 Bg4 9. f3 Bh5 10. Nf4 Bg6 11. Bxg6 hxg6 12. cxd5 g5 13. dxc6 Nxc6 14. Nfe2 Ne8 15. Be3 Qd7 16. Qb3 Nd6 17. Rad1 b6 18. Rfe1 Rad8 19. Nd5 g4 20. fxg4 Bh4 21. Rf1 Qxg4 22. Qc2 Qd7 23. g3 Be7 24. Qxc6 1-0

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.02.28"]
[Round "7"]
[White "Galicia, Eugenio Jr"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1697"]
[BlackElo "1947"]
[PlyCount "22"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. d6 Qxd6 7. Nxf7 Qc6 8. c3 Qxg2 9. cxd4 Qxh1+ 10. Ke2 Bg4+ 11. Kd3 Qe4+ 0-1

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.02.21"]
[Round "6"]
[White "Masters, Christopher"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1761"]
[BlackElo "1947"]
[PlyCount "40"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. d3 d5 7. Nxf6+ Qxf6 8. Qe2 Bd6 9. Bg5 Qf5 10. h4 0-0 11. c3 Qg4 12. Rg1 h6 13. Be3 Ne7 14. 0-0-0 a6 15. d4 axb5 16. dxe5 Bxe5 17. Bc5 Qf4+ 18. Kb1 Bf5+ 19. Ka1 Bd6 20. Rd4 Be4 0-1

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.02.14"]
[Round "5"]
[White "Koenigsberg, Andrew"]
[Black "Lo, Billy"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1947"]
[BlackElo "2096"]
[PlyCount "92"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Qd2 Ne7 8. Nd1 Qb6 9. c3 Ndc6 10. Ne2 d5 11. Bh6 Bxh6 12. Qxh6 d4 13. 0-0 e5 14. Qg7 Rf8 15. Qxh7 Bg4 16. f3 c4 17. fxg4 cxd3 18. Nc1 dxc3+ 19. Rf2 c2 20. Nxd3 0-0-0 21. Bf1 Nb4 22. Rc1 Nec6 23. Nxb4 cxd1Q 24. Rxd1 Rxd1 25. Nd5 Qd4 26. Qg7 Rd8 27. Qxf7 Rxd5 28. exd5 Nd8 29. Qxg6 Qxd5 30. h4 Qc5 31. Kg2 Qd5+ 32. Kh2 Kb8 33. Qf6 e4 34. Bg2 Qd7 35. Qe5+ Ka8 36. Qxe4 Ne6 37. Rf6 Nd8 38. Rf8 Qb5 39. Qe7 Qb6 40. Kh3 a6 41. Bxb7+ Kb8 42. Bg2 Rd6 43. g5 Kc8 44. Rg8 Rd7 45. Qe4 Kc7 46. g6 Rd4 1/2-1/2

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.01.31"]
[Round "4"]
[White "Tse, Yue Tung"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C63"]
[BlackElo "1947"]
[PlyCount "50"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Nc3 Bb4 7. Bg5 Bxc3+ 8. bxc3 d6 9. 0-0 0-0 10. Bc4+ Kh8 11. Rb1 Qe8 12. Bxf6 Rxf6 13. Qd5 Ne7 14. Qd3 Ng6 15. g3 Qf8 16. Ng5 h6 17. Nf7+ Kh7 18. h4 Be6 19. Ng5+ hxg5 20. Bxe6 Rxe6 21. hxg5 Qe7 22. f4 exf4 23. gxf4 Nxf4 24. Rxf4 Qxg5+ 25. Kh1 Rh6+ 0-1

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.01.24"]
[Round "3"]
[White "Koenigsberg, Andrew"]
[Black "Qian, Kun Arthas"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1947"]
[PlyCount "58"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Be6 6. Qb3 Qc7 7. cxd5 cxd5 8. Nf3 Nc6 9. Nb5 Qd7 10. Bf4 Bb4+ 11. Kd1 Rc8 12. Ne5 Qe7 13. a3 Ba5 14. Qg3 Nf6 15. Nxc6 Bg4+ 16. f3 Rxc6 17. fxg4 Ne4 18. Qe3 g5 19. Be5 f6 20. Nxa7 Re6 21. Bb5+ Kf7 22. Rf1 Bb6 23. Qb3 Bxa7 24. Qxd5 Rd8 25. Bc4 Rxd5 26. Bxd5 Kg7 27. Bxe6 Qxe6 28. Bg3 Bxd4 29. Kc2 Qc4+ 0-1

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.01.17"]
[Round "2"]
[White "Chan, Kwai Keong"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1861"]
[BlackElo "1947"]
[PlyCount "123"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 Nxh5 6. e4 fxe4 7. Rxh5 gxh5 8. Qxh5+ Kf8 9. Bh6 Qe8 10. Qxe8+ Kxe8 11. Bxg7 Rg8 12. Bh6 Nc6 13. 0-0-0 d6 14. Nxe4 Bf5 15. Ng3 Bg4 16. Be2 Bxe2 17. N1xe2 Kd7 18. Be3 Raf8 19. b3 a5 20. a3 e5 21. Rh1 Rf7 22. Rh2 a4 23. b4 exd4 24. Bxd4 Nxd4 25. Nxd4 Rxf2 26. Rxh7+ Kc8 27. Ndf5 Kb8 28. c5 dxc5 29. bxc5 Rxg2 30. Re7 R2xg3 31. Nxg3 Rxg3 32. Kb2 Rb3+ 33. Ka2 Rc3 34. Re4 Rc2+ 35. Kb1 Rxc5 36. Rxa4 c6 37. Rh4 Rc3 38. Kb2 Re3 39. Rh7 Ka7 40. Rg7 Ka6 41. Rh7 b5 42. Rh6 Kb6 43. Rg6 Kc5 44. Rg5+ Kd4 45. Rg4+ Re4 46. Rg8 Kc4 47. Rg2 Kc5 48. Rc2+ Rc4 49. Rh2 Rd4 50. Rc2+ Kd5 51. Rh2 Rd3 52. Rh4 Rd4 53. Rh2 c5 54. Rg2 Kc4 55. Rc2+ Kd5 56. Rg2 Kc6 57. Rh2 Kb6 58. Rh8 Ka5 59. Ra8+ Kb6 60. Rh8 Kc6 61. Rh2 Kd5 62. Rg2 1/2-1/2

[Event "Hong Kong-ch qual"]
[Site "Hong Kong"]
[Date "2011.01.10"]
[Round "1"]
[White "Koenigsberg, Andrew"]
[Black "Chan, Gloria"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "1947"]
[PlyCount "50"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 Nf6 3. dxe5 Ke7 4. Bg5 Ke8 5. exf6 gxf6 6. Qd4 Bg7 7. Nf3 Nc6 8. Qc3 Rg8 9. Bh4 Qe7 10. Nbd2 d6 11. 0-0-0 Be6 12. Bb5 Kf8 13. Bxc6 bxc6 14. Qxc6 Rb8 15. Nd4 Bxa2 16. Qa6 Qe5 17. Qxa7 Ke7 18. Nc6+ Ke6 19. Qxa2+ Kd7 20. Nxe5+ fxe5 21. Qa4+ c6 22. Qa7+ Kc8 23. Nc4 Bf8 24. Qxf7 Rxg2 25. Rxd6 Ra8 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.03"]
[Round "6"]
[White "Koenigsberg, Andrew"]
[Black "Kuan, Ying Fatt"]
[Result "1-0"]
[ECO "C21"]
[PlyCount "107"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Bb4+ 6. Nc3 Nf6 7. Nf3 0-0 8. Be2 Qa5 9. Bd2 Nd5 10. Rc1 c6 11. 0-0 Nxc3 12. bxc3 Ba3 13. Rb1 Qc7 14. Qb3 Bd6 15. Bd3 Nd7 16. Bg5 b5 17. Rbe1 Nf6 18. Bxf6 gxf6 19. Bb1 f5 20. Ne5 Kh8 21. Bd3 f6 22. Nf3 Rg8 23. Re6 Bxe6 24. Qxe6 Rae8 25. Qxf6+ Qg7 26. Qxg7+ Rxg7 27. Bxf5 Re2 28. Ra1 Rge7 29. Kf1 Rb2 30. Bd3 h6 31. Nh4 Rf7 32. Nf5 Bf4 33. Re1 Rf8 34. Re7 Rxa2 35. Nh4 Bg5 36. Rh7+ Kg8 37. Nf3 Rf7 38. Rxf7 Kxf7 39. Ne5+ Ke6 40. Nxc6 Ra1+ 41. Ke2 a6 42. g3 Rc1 43. h4 Bf6 44. Kd2 Ra1 45. Nb4 Be7 46. Nc2 Ra2 47. Kc1 b4 48. Bc4+ Kf5 49. Bxa2 bxc3 50. Ne3+ Kg6 51. Kc2 Bb4 52. Kb3 Kg7 53. Nc2 Bd6 54. Kxc3 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.03"]
[Round "7"]
[White "Lo, Billy"]
[Black "Koenigsberg, Andrew"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2105"]
[PlyCount "117"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Nc3 Nxd4 6. Qxd4 Nc6 7. Qd1 Bc5 8. Qh5 Qe7 9. Bf4 Bb4 10. Qf3 Bxc3+ 11. bxc3 d5 12. Bb5 Bf5 13. e5 Be4 14. Qe2 0-0 15. Bxc6 bxc6 16. 0-0 Qc5 17. Qd2 Rfe8 18. Be3 Qc4 19. f3 Bg6 20. f4 Be4 21. Qd4 Qxd4 22. Bxd4 Bxc2 23. Rf2 Be4 24. Rb2 a6 25. Rd1 Reb8 26. Rdd2 Kf8 27. a4 Ke8 28. Kf2 Kd7 29. Ke3 Kc8 30. g4 g6 31. h4 a5 32. Bc5 Rxb2 33. Rxb2 Rb8 34. Rxb8+ Kxb8 35. Kd2 h5 36. g5 Kc8 37. Ba7 Kd7 38. Bb8 c5 39. Ba7 Kc6 40. Kc1 Bf5 41. Kb2 Bd7 42. Ka3 Be8 43. Kb3 Bd7 44. Ka3 Be6 45. Kb2 Bc8 46. Ka3 d4 47. cxd4 Kd5 48. Bxc5 Ke4 49. Be7 Kxf4 50. Bd8 Ke4 51. Bxc7 Kxd4 52. Bxa5 Kxe5 53. Bc3+ Kd5 54. Kb4 Kc6 55. Kc4 Kb6 56. Kd4 Bd7 57. a5+ Ka6 58. Ke5 Be6 59. Kf6 1/2-1/2

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.02"]
[Round "4"]
[White "Koenigsberg, Andrew"]
[Black "Yip, Ronald Kwun Ching"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "1656"]
[PlyCount "71"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. Bd3 Bb7 8. Nge2 e5 9. a4 exd4 10. Bxd4 b4 11. Nd1 c5 12. Be3 Qc7 13. Bb5 Bc6 14. c4 bxc3 15. Ndxc3 a6 16. Bc4 Ne5 17. Ba2 Rb8 18. 0-0 Qb7 19. h3 Qb4 20. Bg5 Ned7 21. Qf4 Be7 22. Qh4 0-0 23. Bh6 Rfe8 24. Qg3 Qb6 25. Nf4 c4+ 26. Kh2 Qxb2 27. Rfc1 Qb4 28. Nce2 Ne5 29. Nd4 Qc5 30. Nf5 Bd7 31. Nxe7+ Rxe7 32. Bg5 Nxe4 33. fxe4 Ree8 34. Nd5 Kf8 35. Qh4 h5 36. Bh6+ 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.02"]
[Round "5"]
[White "Qian, Kun Arthas"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "103"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e3 0-0 6. Bd3 d6 7. 0-0 c6 8. Re1 Na6 9. e4 fxe4 10. Nxe4 c5 11. d5 Nh5 12. Neg5 Qe8 13. Nxh7 Kxh7 14. Nh4 Bf5 15. Nxf5 gxf5 16. Bg5 Qg6 17. Bxe7 Nf4 18. Qf3 Nxd3 19. Qxd3 Rfe8 20. Re6 Qf7 21. Rae1 Nc7 22. Qh3+ Kg8 23. R6e3 f4 24. Re4 Be5 25. Bg5 Bxb2 26. f3 Be5 27. Qg4 Qg7 28. h4 Rf8 29. h5 Rae8 30. Kh2 Kh7 31. Kh3 Rg8 32. Qf5+ Kh8 33. Rxe5 Ref8 34. h6 Qxe5 35. Rxe5 Rxf5 36. Rxf5 Ne8 37. Bxf4 Kh7 38. g4 Kg6 39. Rg5+ Kf7 40. Rxg8 Kxg8 41. g5 Kh7 42. Kh4 Kg6 43. Bd2 b5 44. cxb5 Nc7 45. f4 Nxd5 46. f5+ Kh7 47. g6+ Kh8 48. Kh5 Nf6+ 49. Kh4 Ne4 50. f6 Nxd2 51. f7 Nf3+ 52. Kg3 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.01"]
[Round "3"]
[White "Hatibie, Taufan Ariq H"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "48"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 g6 3. h4 Nf6 4. h5 Nxh5 5. Rxh5 gxh5 6. e4 Bg7 7. Ng5 0-0 8. Qxh5 h6 9. Nh3 Qe8 10. Qh4 fxe4 11. Bxh6 Bxh6 12. Qxh6 Qf7 13. Qg5+ Kh8 14. Qe5+ Qf6 15. Qh5+ Kg7 16. Nc3 Qf5 17. Qh4 d5 18. Qxe7+ Rf7 19. Qh4 Qg4 20. Qd8 e3 21. f3 Qg3+ 22. Ke2 Bxh3 23. gxh3 Qf2+ 24. Kd3 Qd2# 0-1

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.10.01"]
[Round "2"]
[White "Koenigsberg, Andrew"]
[Black "Chong, Chor Yuen"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "2063"]
[PlyCount "132"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nf6 6. Nc3 Bb4 7. Nf3 0-0 8. Be2 Ne4 9. Bd2 Bxc3 10. bxc3 Nxd2 11. Qxd2 Nc6 12. Rb1 a6 13. 0-0 b6 14. Qf4 Bf5 15. Rb2 Qd7 16. Rd1 Rfe8 17. Nh4 Bg6 18. Bf3 Rad8 19. Nxg6 hxg6 20. h4 Re7 21. Qg5 Rde8 22. Rbb1 Nd8 23. Qd2 Qf5 24. Re1 Qf6 25. h5 gxh5 26. Bxh5 Ne6 27. Bg4 Qg6 28. Bxe6 Rxe6 29. Rbc1 Qg4 30. Rxe6 Qxe6 31. Qf4 c6 32. Qc7 b5 33. Qa5 Qh6 34. Rf1 Re6 35. Qxa6 Qh5 36. Qc8+ Kh7 37. f3 Rh6 38. Qg4 Qh2+ 39. Kf2 Re6 40. Qh3+ Qxh3 41. gxh3 Kg6 42. a4 bxa4 43. Ra1 c5 44. Rxa4 cxd4 45. Rxd4 Rc6 46. c4 Kf5 47. Ke3 Re6+ 48. Re4 Rc6 49. Rd4 Ra6 50. Rd5+ Ke6 51. Ke4 Ra1 52. Rg5 g6 53. Rb5 Rc1 54. Rb6+ Kd7 55. Rb7+ Ke6 56. Rb6+ Kd7 57. Kd5 Rd1+ 58. Ke5 Re1+ 59. Kf6 Re3 60. Rb7+ Kc6 61. Rxf7 Rxf3+ 62. Kxg6 Rxh3 63. Rf4 Kc5 64. Kf5 Rc3 65. Ke5 Rxc4 66. Rxc4+ Kxc4 1/2-1/2

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2010.09.30"]
[Round "1"]
[White "Lai, Ming Fai David"]
[Black "Koenigsberg, Andrew"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "52"]
[EventDate "2010.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "HKG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nf5 d6 6. Bc4 Bxf5 7. exf5 Bxf2+ 8. Kxf2 Qh4+ 9. g3 Qxc4 10. b3 Qc5+ 11. Be3 Qxf5+ 12. Kg2 Qe4+ 13. Kh3 Nge7 14. Re1 h5 15. Bf4 Qf5+ 16. Kg2 0-0-0 17. Nc3 h4 18. Kf3 hxg3 19. hxg3 g5 20. Rg1 gxf4 21. gxf4 Rh3+ 22. Rg3 Rxg3+ 23. Kxg3 Rg8+ 24. Kf3 Qh3+ 25. Ke2 Rg2+ 26. Kf1 Qh1# 0-1

[Event "World op-B 27th"]
[Site "Philadelphia"]
[Date "1999.07.02"]
[Round "2"]
[White "Gittrich, Dennis"]
[Black "Koenigsberg, Andrew"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1841"]
[BlackElo "1970"]
[PlyCount "21"]
[EventDate "1999.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. e3 g6 6. Qd4 Qxd4 7. exd4 Kf7 8. Bc4+ Kg7 9. Nd5 Nc6 10. Nc7 Rb8 11. Ne8# 1-0

[Event "World op-U1800"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "2"]
[White "Koenigsberg, Andrew"]
[Black "Saegusu, T."]
[Result "1-0"]
[ECO "B21"]
[PlyCount "59"]
[EventDate "1995.06.??"]
[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 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 Nf6 6. Bc4 e6 7. 0-0 Bb4 8. Bf4 Bxc3 9. bxc3 0-0 10. Bd6 Re8 11. Qe2 Qa5 12. Rac1 a6 13. Rfd1 b5 14. Bb3 Bb7 15. e5 Nh5 16. Bc2 Ne7 17. Ng5 g6 18. Nxh7 Kxh7 19. Qxh5+ Kg7 20. Qg5 Ng8 21. Rd4 Qd8 22. Qg3 Nh6 23. Rf4 Rg8 24. Rf6 Qe8 25. Re1 Nf5 26. Bxf5 exf5 27. Rxf5 Qe6 28. Rh5 Qxa2 29. Qg5 f5 30. Qf6# 1-0

