[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.22"]
[Round "4"]
[White "Viswanadha, Kesav"]
[Black "Weiss, Allen J"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1873"]
[BlackElo "2183"]
[PlyCount "86"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. exd6 e6 7. Nxd4 Bxd6 8. Bd3 a6 9. 0-0 0-0 10. Bc2 Bf4 11. Qd3 g6 12. Bd2 e5 13. Nf3 Bf5 14. Qe2 Bxc2 15. Bxf4 Nxf4 16. Qxc2 Nc6 17. Na3 Qd3 18. Rad1 Qxc2 19. Nxc2 Rad8 20. g3 Nd3 21. b3 Rd7 22. Rd2 Rc8 23. Nfe1 Rcd8 24. Nxd3 Rxd3 25. Rxd3 Rxd3 26. c4 Rd2 27. Rc1 e4 28. a3 Ne5 29. Ne3 Rxf2 30. Kxf2 Nd3+ 31. Kf1 Nxc1 32. b4 f5 33. Ke1 Kf7 34. Kd2 Nd3 35. Ng2 Ne5 36. Kc3 Nf3 37. h4 Kf6 38. a4 h6 39. a5 g5 40. hxg5+ hxg5 41. b5 Ke5 42. c5 Nd4 43. b6 Nc6 0-1

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.22"]
[Round "5"]
[White "Weiss, Allen J"]
[Black "Bryant, John Daniel"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2183"]
[BlackElo "2418"]
[PlyCount "144"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. c4 exd5 4. cxd5 d6 5. Nf3 g6 6. Nc3 Nf6 7. Bf4 a6 8. Nd2 b5 9. a4 b4 10. Nce4 Nxe4 11. Nxe4 f5 12. Ng5 Bg7 13. Rb1 h6 14. Ne6 Bxe6 15. dxe6 d5 16. g3 Nc6 17. Bg2 Ne7 18. h4 Qb6 19. 0-0 0-0 20. a5 Qxe6 21. Qc1 Rac8 22. Bxh6 c4 23. Rd1 Rc5 24. Bxg7 Kxg7 25. Qd2 Rb5 26. Qd4+ Qf6 27. Qa7 Rf7 28. Qa8 Qd6 29. Rbc1 f4 30. g4 Qc5 31. Qxa6 Rf6 32. Qa8 Rf8 33. Qa6 Rf6 34. Qa8 Rf8 35. Qa6 Rxa5 36. Qe6 Rf6 37. Qe5 Qd6 38. Qg5 Rc5 39. Rd4 Rf8 40. Rcd1 c3 41. bxc3 bxc3 42. Rc1 c2 43. Be4 Nc6 44. Rxd5 Rxd5 45. Qxd5 Qxd5 46. Bxd5 Nd4 47. Kg2 Rc8 48. Be4 Rc3 49. g5 Rb3 50. Rxc2 Nxc2 51. Bxc2 Ra3 52. Bd3 Ra8 53. Kf3 Rf8 54. Be4 Rf7 55. Kg4 Rf8 56. h5 gxh5+ 57. Kxh5 Re8 58. Bd3 Rb8 59. Kg4 Rb4 60. Kf3 Ra4 61. Be4 Ra2 62. Kxf4 Rxe2 63. Kf3 Ra2 64. Kg3 Ra3+ 65. Kg4 Ra4 66. f3 Rb4 67. Kf5 Rb5+ 68. Kf4 Rb4 69. Kf5 Rb5+ 70. Kf4 Rb4 71. Ke3 Rb3+ 72. Kd4 Rxf3 1/2-1/2

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.20"]
[Round "1"]
[White "Weiss, Allen J"]
[Black "Yang, Darwin"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2183"]
[BlackElo "2416"]
[PlyCount "74"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 0-0-0 14. a4 c5 15. d5 b4 16. Ne2 Ne5 17. a5 Qb5 18. 0-0 Bxd5 19. Qa4 Qxa4 20. Rxa4 Nf3+ 21. Bxf3 Bxf3 22. Nf4 Bd6 23. Ng2 Be5 24. Be3 Rd5 25. a6 Bxg2 26. Kxg2 Bxb2 27. Rb1 c3 28. h4 Kc7 29. Kf3 Kc6 30. Ke2 Kb5 31. Ra2 b3 32. Raxb2 cxb2 33. Rxb2 c4 34. Bxa7 Kb4 35. Be3 c3 36. Rb1 c2 37. Rb2 Re5 0-1

[Event "North American op 20th"]
[Site "Las Vegas"]
[Date "2010.12.29"]
[Round "7"]
[White "De Guzman, Ricardo"]
[Black "Weiss, Allen J"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2387"]
[BlackElo "2155"]
[PlyCount "127"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5 6. Nge2 Nge7 7. b3 0-0 8. 0-0 d6 9. Bb2 Be6 10. Rc1 Rb8 11. a3 f5 12. d3 Bf7 13. Qd2 Kh8 14. Rb1 d5 15. cxd5 Nxd5 16. Rfd1 Nde7 17. Ba1 b5 18. Qc2 Qa5 19. a4 Nb4 20. Qc1 a6 21. Rd2 Rfd8 22. Qd1 Rd7 23. Na2 Nxa2 24. Rxa2 e4 25. Bxg7+ Kxg7 26. d4 Nc6 27. Qc1 Nb4 28. Qxc5 Rd5 29. Qc3 Kg8 30. Raa1 Rdd8 31. g4 bxa4 32. bxa4 Rdc8 33. Qe1 Bc4 34. Nf4 Qb6 35. gxf5 gxf5 36. Kh1 a5 37. Bf1 Bf7 38. Bb5 Qf6 39. Rc1 Kh8 40. Rxc8+ Rxc8 41. Rc1 Rg8 42. Qe2 Qg5 43. f3 Nd5 44. Nxd5 Bxd5 45. f4 Qxf4 46. Bc6 Qd6 47. Bxd5 Qxd5 48. Qa6 Rf8 49. Qh6 Qg8 50. Qd6 Qf7 51. Rc7 Qf6 52. Qd7 Qg6 53. Qd5 f4 54. Qe5+ Qf6 55. Qxe4 Qg6 56. Qe5+ Qf6 57. exf4 Qxe5 58. fxe5 Kg8 59. e6 Rd8 60. e7 Rb8 61. d5 Kf7 62. d6 Ke6 63. Rc6 Kd7 64. Ra6 1-0

[Event "North American op 20th"]
[Site "Las Vegas"]
[Date "2010.12.29"]
[Round "6"]
[White "Weiss, Allen J"]
[Black "Ris, Robert"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2155"]
[BlackElo "2423"]
[PlyCount "238"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Bxf6 Nxf6 8. cxd5 Nxd5 9. Qd2 Bb4 10. Rc1 0-0 11. Bd3 c5 12. 0-0 cxd4 13. Nxd4 Nxc3 14. bxc3 Be7 15. Rb1 Qc7 16. Nb5 Qc5 17. Nd4 Rd8 18. Qc2 g6 19. Be4 e5 20. Rb5 Qc7 21. Nf3 Bf6 22. Rfb1 Rb8 23. h3 b6 24. c4 Be6 25. Rc1 a6 26. Rbb1 Be7 27. Qb2 Bd6 28. Ng5 Qe7 29. Nxe6 Qxe6 30. Qe2 Bc5 31. Bd5 Qe7 32. e4 Rd6 33. Rc3 Rf6 34. Rf3 Rxf3 35. Qxf3 Rd8 36. Qe2 Rd6 37. Rb3 Rf6 38. Rf3 Kg7 39. Rxf6 Qxf6 40. Bb7 a5 41. a4 Qf4 42. Bd5 f6 43. Bc6 h5 44. Bd5 g5 45. Be6 Kg6 46. Bd7 Qc1+ 47. Kh2 Qf4+ 48. g3 Qxf2+ 49. Qxf2 Bxf2 50. Kg2 Be1 51. g4 h4 52. Kf1 Bb4 53. Be6 Kg7 54. Ke2 Kf8 55. Kd3 Ke7 56. Bf5 Kd6 57. Bc8 Kc5 58. Bd7 Be1 59. Bb5 Kb4 60. Bc6 Bf2 61. Bb5 Kb3 62. Ke2 Bc5 63. Kd3 Kb2 64. Kd2 Bb4+ 65. Kd3 Kc1 66. Ke2 Kc2 67. Kf3 Kd2 68. Bc6 Bc5 69. Bb5 Ke1 70. Kg2 Ke2 71. Bc6 Ke3 72. Bd5 Kd2 73. Kf3 Ke1 74. Kg2 Ke2 75. Bc6 Kd3 76. Bd5 Kc3 77. Kf3 Kb3 78. Bc6 Kc2 79. Bb7 Kd1 80. Bc6 Ke1 81. Kg2 Ke2 82. Bb7 Ke3 83. Bc6 Bd4 84. Bd5 b5 85. cxb5 Bb6 86. Bc6 Kd3 87. Kf3 Kc3 88. Ke2 Kb3 89. Kd3 Kxa4 90. Kc4 Ka3 91. Kd5 Kb4 92. Ke6 a4 93. Kxf6 a3 94. Bd5 Bd8+ 95. Kxe5 Kxb5 96. Kd6 Kb6 97. Kd7 Bc7 98. Ba2 Bf4 99. Ke6 Kc5 100. Kf5 Kd4 101. e5 Bxe5 102. Kxg5 Bg3 103. Kf5 Kc5 104. g5 Kd6 105. Kf6 Be5+ 106. Kf5 Bc3 107. Kg4 Ke7 108. Kxh4 Kf8 109. g6 Kg7 110. Kg5 Bb2 111. Kf5 Bc3 112. h4 Bb2 113. h5 Bc3 114. Kg5 Bf6+ 115. Kg4 Bc3 116. Bc4 Bb2 117. Ba2 Bc1 118. Kf5 Bd2 119. Ke6 Bc3 1/2-1/2

[Event "North American op 20th"]
[Site "Las Vegas"]
[Date "2010.12.28"]
[Round "5"]
[White "Coleman, Teddy"]
[Black "Weiss, Allen J"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2282"]
[BlackElo "2155"]
[PlyCount "60"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nd7 5. Nge2 e5 6. f3 Ne7 7. Bg5 f6 8. Bh4 0-0 9. Qd2 a6 10. d5 Rf7 11. Nc1 Qf8 12. Nd3 Bh6 13. Qe2 c5 14. Bf2 f5 15. g3 fxe4 16. fxe4 Nf6 17. h3 Bd7 18. Bg2 b5 19. cxb5 axb5 20. 0-0 b4 21. Nd1 Bb5 22. b3 Nexd5 23. exd5 e4 24. N1b2 exd3 25. Nxd3 Re8 26. Qc2 Ne4 27. Bxe4 Rxe4 28. Kg2 Qa8 29. Rad1 Qxd5 30. Kh2 Qe6 0-1

[Event "North American op 20th"]
[Site "Las Vegas"]
[Date "2010.12.27"]
[Round "3"]
[White "Ravichandran, Siddharth"]
[Black "Weiss, Allen J"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2463"]
[BlackElo "2155"]
[PlyCount "197"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. d3 Nc6 5. Be2 Qc7 6. Bg5 Be7 7. Nbd2 d5 8. Qc2 Bd7 9. a3 Rc8 10. 0-0 0-0 11. Rfe1 d4 12. Rac1 e5 13. cxd4 cxd4 14. b4 Qb8 15. Qb2 Rfe8 16. Bd1 Be6 17. Bb3 Bxb3 18. Qxb3 Nd7 19. Rc2 h6 20. Bh4 Bxh4 21. Nxh4 Ne7 22. Rec1 Rxc2 23. Rxc2 g6 24. Nhf3 Rc8 25. g3 Rxc2 26. Qxc2 Qc8 27. Qc4 Qc6 28. Qxc6 Nxc6 29. Nc4 f6 30. Nh4 Nf8 31. Kf1 b5 32. Nd6 a6 33. Ke2 Kg7 34. Ne8+ Kf7 35. Nc7 Nb8 36. f4 Ke7 37. Nd5+ Kf7 38. Kd2 Nbd7 39. Kc2 h5 40. Nc7 Nb8 41. fxe5 fxe5 42. Nf3 Ke7 43. Nd5+ Kd6 44. Ng5 Nc6 45. Kb3 Kd7 46. Kc2 Ne7 47. Nf6+ Kd6 48. Kd2 Nc6 49. Nd5 Nd7 50. Ke2 a5 51. bxa5 Nxa5 52. Kd2 Nb3+ 53. Kc2 Nbc5 54. Nf3 Nf8 55. Nh4 Nce6 56. Kb3 Nc5+ 57. Kc2 Nce6 58. Nf3 Nd7 59. h3 Nec5 60. Ng5 Nf8 61. Kd2 Nb3+ 62. Kd1 Nd7 63. Nb4 Nbc5 64. Kc2 Nf8 65. Nf7+ Ke6 66. Nd8+ Kd6 67. Ndc6 Nfe6 68. Na7 Nc7 69. h4 N5a6 70. Nxa6 Nxa6 71. Nxb5+ Kc6 72. a4 Kc5 73. Na3 Nb4+ 74. Kd2 Nc6 75. Nc4 Kb4 76. a5 Kb5 77. Ke2 Ka6 78. Kf3 Kb5 79. g4 Ka6 80. gxh5 gxh5 81. Ke2 Kb5 82. Kd2 Ka6 83. Nd6 Kxa5 84. Nf5 Kb4 85. Kc2 Kc5 86. Ng7 Ne7 87. Kd2 Ng6 88. Nf5 Nf4 89. Kc2 Ng6 90. Kd1 Nf4 91. Kd2 Ng6 92. Kc2 Nf4 93. Nh6 Ng6 94. Nf7 Kc6 95. Kb3 Kd7 96. Kc4 Ke7 97. Nh6 Nxh4 98. Kd5 Kf6 99. Kd6 1-0

[Event "North American op 20th"]
[Site "Las Vegas"]
[Date "2010.12.27"]
[Round "2"]
[White "Weiss, Allen J"]
[Black "Wang, Philip Xiao"]
[Result "1/2-1/2"]
[ECO "A86"]
[WhiteElo "2155"]
[BlackElo "2317"]
[PlyCount "110"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nh3 d6 6. d5 Na6 7. Nf4 e5 8. dxe6 c6 9. Nc3 Nc5 10. Be3 Nxe6 11. Qd2 Ng4 12. Nxe6 Bxe6 13. Bd4 Ne5 14. b3 Qe7 15. f4 c5 16. Bg1 Nc6 17. Rd1 0-0 18. Bf2 Rad8 19. 0-0 Kh8 20. Rfe1 Rfe8 21. Nb5 Bf8 22. e4 fxe4 23. Rxe4 Qf7 24. Rde1 a6 25. Nc7 Qxc7 26. Rxe6 Rxe6 27. Rxe6 Bg7 28. Qe1 Qd7 29. Kf1 Rf8 30. Bd5 g5 31. Qe4 Bf6 32. Bxc6 bxc6 33. f5 d5 34. Qf3 Be7 35. Qe2 Rf7 36. Qe5+ Kg8 37. g4 dxc4 38. f6 Qd1+ 39. Kg2 Qxg4+ 40. Bg3 Bf8 41. h3 Qd4 42. Qxg5+ Kh8 43. bxc4 Qxc4 44. Re8 Qxa2+ 45. Bf2 Qd5+ 46. Qxd5 cxd5 47. Bxc5 Kg8 48. Be7 a5 49. Kf3 a4 50. Kf4 a3 51. Bxa3 Rxf6+ 52. Ke5 Kg7 53. Rxf8 Rxf8 54. Bxf8+ Kxf8 55. Kxd5 Kf7 1/2-1/2

[Event "US Open-110"]
[Site "Indianapolis"]
[Date "2009.08.04"]
[Round "4"]
[White "Weiss, Allen J"]
[Black "Ruan, Gordon J"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2160"]
[PlyCount "50"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be2 Nc6 9. Be3 Bg4 10. e5 0-0 11. 0-0 cxd4 12. cxd4 Qd7 13. Qd2 Rfd8 14. Rfd1 Rac8 15. Rac1 a6 16. a4 a5 17. h3 Bxf3 18. Bxf3 Nb4 19. Rxc8 Qxc8 20. Qc1 Qc2 21. Qxc2 Nxc2 22. Rd2 Nxe3 23. fxe3 Bxe5 24. Bxb7 Bd6 25. Rc2 Rb8 1/2-1/2

