[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2012.06.15"]
[Round "1"]
[White "Bachmann, Axel"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2566"]
[BlackElo "2242"]
[PlyCount "71"]
[EventDate "2012.06.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. h3 e5 8. Nde2 Be7 9. g4 Be6 10. Bg2 Rc8 11. Ng3 0-0 12. g5 Ne8 13. h4 Na5 14. Nd5 Bxd5 15. exd5 f5 16. gxf6 Bxf6 17. Ne4 Nc4 18. Bc1 b5 19. Bh3 Rc7 20. b3 Nb6 21. Be3 Rb7 22. Qd3 Qe7 23. c4 bxc4 24. bxc4 Nd7 25. Qa3 Kh8 26. Qxa6 Nb8 27. Qa3 Bxh4 28. c5 Ra7 29. Qd3 Ra4 30. Be6 dxc5 31. Nxc5 e4 32. Qe2 Ra3 33. Nb3 Qf6 34. Rc1 Bg5 35. Qh5 Bh6 36. Bd4 1-0

[Event "King's Island op 10th"]
[Site "King's Island"]
[Date "2001.11.11"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Pappu, Anath"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2247"]
[PlyCount "195"]
[EventDate "2001.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Be2 h6 7. 0-0 Bd6 8. a3 0-0 9. b4 a6 10. Bb2 Nbd7 11. Rc1 Qe7 12. Qb3 Ne4 13. Rfd1 Rac8 14. Nxe4 Bxe4 15. c5 Bc7 16. Ne5 f6 17. Nxd7 Qxd7 18. f3 Bh7 19. a4 Rfe8 20. b5 axb5 21. axb5 e5 22. dxe5 Bxe5 23. e4 Bxb2 24. Qxb2 Qe7 25. bxc6 bxc6 26. Ba6 Ra8 27. Qb7 Ra7 28. Qxc6 dxe4 29. Bb5 Rb8 30. Rd7 Rxd7 31. Qxd7 Qe5 32. Bc6 exf3 33. Qd5+ Qxd5 34. Bxd5+ Kf8 35. Bxf3 Ke7 36. Kf2 Rb3 37. Ra1 Rc3 38. Ra7+ Ke6 39. Rxg7 Bd3 40. Rc7 Bc4 41. Rh7 Bb5 42. Rc7 Bc4 43. Rc6+ Ke5 44. Rc8 Be6 45. Rc7 Kf4 46. Re7 Rc2+ 47. Ke1 Ke5 48. c6 h5 49. Bxh5 Kd6 50. Rg7 Rxc6 51. Kf2 Ke5 52. Bf3 Rc2+ 53. Kg3 Rc3 54. h4 Bd5 55. h5 Bxf3 56. gxf3 Kf5 57. Ra7 Rc5 58. h6 Kg6 59. h7 Rh5 60. Kg4 Rg5+ 61. Kf4 Rf5+ 62. Ke4 Re5+ 63. Kd4 Rh5 64. f4 Rxh7 65. f5+ Kh6 66. Ra2 Kg5 67. Rg2+ Kxf5 68. Rf2+ Ke6 69. Ke4 Rh4+ 70. Kf3 Ra4 71. Rb2 Kf5 72. Rb5+ Kg6 73. Rb2 Ra5 74. Rg2+ Kf5 75. Rb2 Ra3+ 76. Kf2 Kf4 77. Rb4+ Kg5 78. Rb2 f5 79. Kg2 Kg4 80. Kf2 Rh3 81. Rb4+ f4 82. Kg2 Rg3+ 83. Kf2 Rc3 84. Rb2 Rh3 85. Kg2 f3+ 86. Kg1 Kg3 87. Rg2+ Kf4 88. Ra2 Rh6 89. Ra8 Rg6+ 90. Kf1 Kg3 91. Rb8 Rg5 92. Rf8 Re5 93. Rg8+ Kf4 94. Rf8+ Ke3 95. Ra8 Re7 96. Rb8 Re4 97. Ra8 Re5 98. Rb8 1/2-1/2

[Event "World op 28th"]
[Site "Philadelphia"]
[Date "2000.07.30"]
[Round "3"]
[White "Redman, Timothy P"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "E07"]
[BlackElo "2265"]
[PlyCount "32"]
[EventDate "2000.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. g3 c6 5. Bg2 Nbd7 6. Nf3 dxc4 7. 0-0 Be7 8. e4 0-0 9. Qe2 b5 10. a4 b4 11. Na2 a5 12. Rd1 Nb6 13. Ne5 Bb7 14. Be3 Nxa4 15. Nxc4 Ba6 16. Qc2 Bxc4 0-1

[Event "World op 28th"]
[Site "Philadelphia"]
[Date "2000.07.29"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Ippolito, Dean"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2265"]
[BlackElo "2373"]
[PlyCount "120"]
[EventDate "2000.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 Bb7 10. a4 b4 11. Ne4 c5 12. Nxf6+ Qxf6 13. Be2 Be7 14. b3 cxd4 15. Bb2 e5 16. exd4 e4 17. Ne5 Rd8 18. Qc2 Nxe5 19. dxe5 Qg6 20. Bc4 0-0 21. Rad1 Rd3 22. Qe2 Bc5 23. Kh1 Rfd8 24. Bc1 Bd5 25. Bxd5 R8xd5 26. Bf4 Qf5 27. Bg3 h5 28. h4 Rxd1 29. Rxd1 Rxd1+ 30. Qxd1 Bxf2 31. e6 fxe6 32. Bxf2 Qxf2 33. Qxh5 Qf5 34. Qe2 a5 35. Kg1 Qc5+ 36. Kh2 Qd5 37. Qe3 Qd6+ 38. g3 Qd3 39. Qb6 Qe2+ 40. Kh3 Qf1+ 41. Kh2 Qf5 42. Qe3 Qf3 43. Qb6 e3 44. Qxe6+ Kh7 45. h5 Qxh5+ 46. Kg2 Qe2+ 47. Kh3 Qf1+ 48. Kg4 Qf2 49. Qe8 g6 50. Qe7+ Kh6 51. Qh4+ Kg7 52. Qe7+ Qf7 53. Qxf7+ Kxf7 54. Kf3 Kf6 55. Kxe3 Kf5 56. Kd4 g5 57. Kc5 Ke4 58. Kb5 Kd4 59. Kxa5 Kc3 60. Kb6 Kxb3 0-1

[Event "World op 24th"]
[Site "Philadelphia"]
[Date "1996.??.??"]
[Round "?"]
[White "Benjamin, Richard"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B85"]
[BlackElo "2290"]
[PlyCount "58"]
[EventDate "1996.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Kh1 Qc7 9. f4 Nc6 10. Be3 0-0 11. Qe1 Bd7 12. Qg3 b5 13. a3 Nxd4 14. Bxd4 Bc6 15. Bf3 Ne8 16. Rae1 Rd8 17. e5 dxe5 18. Bxe5 Qb7 19. Ne4 Qc8 20. Bc3 Bxe4 21. Bxe4 Bf6 22. Qh3 h6 23. Bxf6 Nxf6 24. Bd3 Rd5 25. Re5 Rfd8 26. Rfe1 Qc5 27. Qf3 Qd4 28. b3 Rxe5 29. Rxe5 Ng4 0-1

[Event "World op 24th"]
[Site "Philadelphia"]
[Date "1996.??.??"]
[Round "?"]
[White "Shinn, A."]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2290"]
[PlyCount "62"]
[EventDate "1996.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Qc7 4. Nf3 Nf6 5. Bd3 e6 6. 0-0 Be7 7. Bf4 Nbd7 8. Na3 a6 9. Qa4 Rb8 10. dxc5 Qxc5 11. b4 Qc7 12. c4 0-0 13. Rac1 b6 14. Nd4 Bb7 15. Rfe1 Rfd8 16. f3 Bf8 17. Bg3 Ne5 18. Bf1 Nh5 19. Bf2 Nf4 20. Qb3 Ba8 21. Be3 Nfg6 22. Qd1 Qd7 23. Qb3 h6 24. Red1 Qe7 25. Rd2 d5 26. exd5 exd5 27. c5 bxc5 28. Rxc5 Rxb4 29. Qxb4 Nxf3+ 30. Nxf3 Qxe3+ 31. Kh1 Bxc5 0-1

[Event "World op 24th"]
[Site "Philadelphia"]
[Date "1996.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Bick, John D"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2290"]
[PlyCount "80"]
[EventDate "1996.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Nc6 6. e4 Bxd2+ 7. Nbxd2 d6 8. a3 a5 9. Qc3 e5 10. d5 Nb8 11. Rc1 a4 12. c5 Bg4 13. Bb5+ Nbd7 14. cxd6 cxd6 15. Qb4 0-0 16. Bxd7 Bxf3 17. Bxa4 Bxg2 18. Rg1 Bh3 19. Rg3 Bd7 20. Bd1 b5 21. Rc7 Rfb8 22. Rcc3 Ne8 23. Kf1 Rc8 24. Rxc8 Rxc8 25. Kg2 Nc7 26. Be2 f5 27. Nf3 f4 28. Rg5 Qf6 29. Kh1 h6 30. Rg1 Kf7 31. Qa5 g5 32. Rc1 Qd8 33. Qb6 Bh3 34. Nxe5+ dxe5 35. Bh5+ Ke7 36. Qxh6 Be6 37. Rg1 Qh8 38. Qxh8 Rxh8 39. Be2 Nxd5 40. Bxb5 Nf6 0-1

[Event "World op 24th"]
[Site "Philadelphia"]
[Date "1996.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Delaune, Richard K"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2290"]
[BlackElo "2385"]
[PlyCount "45"]
[EventDate "1996.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. Qe2 c5 11. dxc5 Nxc5 12. Bc2 b4 13. Nb1 Nfe4 14. Nbd2 Bd6 15. Nxe4 Nxe4 16. Ba4+ Kf8 17. Rd1 Qc7 18. h3 Rd8 19. Bd2 g5 20. Rac1 Qb6 21. Nd4 Kg7 22. Bc6 Nxd2 23. Rxd2 1/2-1/2

[Event "World op 24th"]
[Site "Philadelphia"]
[Date "1996.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2290"]
[BlackElo "2425"]
[PlyCount "60"]
[EventDate "1996.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. 0-0 Be7 6. c4 bxc4 7. Qa4 0-0 8. Qxc4 d6 9. Nc3 Nbd7 10. Rd1 c5 11. dxc5 Nxc5 12. Bg5 h6 13. Be3 Rc8 14. Qb4 a5 15. Qa3 d5 16. Bxc5 Bxc5 17. Qb3 Rb8 18. Qc2 Qe7 19. e3 Ba6 20. Rab1 Rfc8 21. Nd4 Qa7 22. Qa4 Qb6 23. a3 Bf8 24. Qc2 Nd7 25. Qd2 Ne5 26. e4 Bd3 27. exd5 Qxd4 28. dxe6 fxe6 29. Rbc1 Rd8 30. Ne2 Qb6 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1995.??.??"]
[Round "1"]
[White "Goldin, Alexander"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2580"]
[BlackElo "2300"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5 exd5 9. 0-0 Nbd7 10. Nc3 0-0 11. Nh4 c6 12. Nf5 Ba3 13. Rb1 Bb4 14. a3 Bxc3 15. Bxc3 Re8 16. Re1 Ne4 17. Bxe4 Rxe4 18. f3 Re6 19. e4 Qf6 20. Rc1 Nf8 21. Ne3 Ree8 22. e5 Qg6 23. f4 Re7 24. f5 Qh6 25. Bd2 Rd7 26. Ng4 Qh3 27. Qf3 Ng6 28. fxg6 fxg6 29. e6 Rdd8 30. Qf7+ 1-0

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "8"]
[White "Leverett, Bruce W"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2265"]
[BlackElo "2305"]
[PlyCount "119"]
[EventDate "1995.06.??"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 Bxc3+ 7. bxc3 0-0 8. 0-0 d6 9. Ne1 c5 10. f3 Nbd7 11. e4 Ne8 12. Qe2 g6 13. Bh6 Ng7 14. Nc2 f6 15. Rae1 Qe7 16. Qf2 e5 17. d5 Rf7 18. g4 Nf8 19. Ne3 Bc8 20. Kh1 Qb7 21. Rg1 Qe7 22. Rg3 Rb8 23. Reg1 g5 24. Nf5 Bxf5 25. gxf5 Nh5 26. Rg4 Nd7 27. h4 Kh8 28. hxg5 fxg5 29. Rxg5 Ndf6 30. Qh4 Nf4 31. Bf1 a6 32. a4 Ng8 33. Qh2 Nxh6 34. Qxh6 Rf6 35. Qh2 Qf8 36. R5g4 Rf7 37. Rh4 Qe8 38. Rh6 Qe7 39. Rg4 Rg8 40. Rhh4 Qd7 41. Rxg8+ Kxg8 42. Rg4+ Rg7 43. Qh4 h5 44. Rxg7+ Kxg7 45. Qg5+ Kf7 46. f6 Ng6 47. Qxh5 Qd8 48. f4 exf4 49. e5 dxe5 50. Bd3 Qxf6 51. Qh7+ Kf8 52. Qxg6 Qh4+ 53. Kg2 Qe1 54. d6 Qe3 55. d7 f3+ 56. Kf1 Qc1+ 57. Kf2 Qd2+ 58. Kxf3 Qf4+ 59. Ke2 Qh2+ 60. Kd1 1-0

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "6"]
[White "Meeres, Mark"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2290"]
[BlackElo "2300"]
[PlyCount "102"]
[EventDate "1995.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. g4 h6 8. Rg1 Qc7 9. h4 g6 10. g5 hxg5 11. hxg5 Nfd7 12. Be3 b5 13. a4 b4 14. Na2 Nc5 15. f3 Nxa4 16. c3 Nb6 17. cxb4 Bd7 18. Rc1 Qb7 19. Qc2 e5 20. Qc7 Ra7 21. Qxb7 Rxb7 22. Nb3 Na8 23. Na5 Rc7 24. Nc3 Be7 25. Kd2 Be6 26. Nd5 Bxd5 27. exd5 Rh4 28. b5 axb5 29. Bxb5+ Kf8 30. Nc4 Rb7 31. Bc6 Nxc6 32. dxc6 Rb4 33. Kd3 Nc7 34. Rg4 Rh3 35. Bd2 Rb5 36. Ba5 Bd8 37. b4 e4+ 38. Ke2 exf3+ 39. Kf2 Kg7 40. Nxd6 Rd5 41. Bxc7 Rd2+ 42. Kg1 f2+ 43. Kg2 Rh2+ 44. Kf3 Rh3+ 45. Ke4 Re2+ 46. Kd5 Bxc7 47. Ne4 Rd3+ 48. Kc5 Rde3 49. Nxf2 Rxf2 50. b5 Ra3 51. Rd1 Rf5+ 0-1

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "4"]
[White "Porter, Ryan W"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B80"]
[BlackElo "2305"]
[PlyCount "105"]
[EventDate "1995.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e6 7. a4 b6 8. Be2 Bb7 9. f3 Be7 10. 0-0 Qc7 11. Qe1 Nbd7 12. Nb3 0-0 13. Qf2 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. c4 Bxc4 17. Rfc1 b5 18. axb5 axb5 19. Rxa8 Rxa8 20. Nd2 Qb8 21. Nxc4 bxc4 22. Bxc4 Bd6 23. g3 Ne5 24. Qe2 Qb7 25. Kg2 Nc6 26. Qc2 Ne5 27. Qe2 Ng6 28. Bd4 e5 29. Bc3 Rb8 30. Rd1 Qc7 31. Qd3 Be7 32. Qd5 Bf6 33. Ra1 h5 34. Ra8 Rxa8 35. Qxa8+ Bd8 36. Qd5 h4 37. Bd3 Kh7 38. Qxe5 Qxe5 39. Bxe5 Kh6 40. Bxg6 Kxg6 41. g4 f6 42. Bc3 Kf7 43. f4 g6 44. f5 Bc7 45. h3 gxf5 46. gxf5 Bf4 47. Kf3 Bg5 48. Kg4 Ke7 49. Bb4+ Kd7 50. Be1 Bc1 51. Bc3 Bg5 52. Kh5 Kd6 53. Kg6 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1995.??.??"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Bachler, Kevin L"]
[Result "1/2-1/2"]
[ECO "E69"]
[WhiteElo "2300"]
[BlackElo "2224"]
[PlyCount "161"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 Nbd7 6. Bg2 0-0 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. Re1 Re8 11. d5 Nc5 12. Qc2 Bd7 13. Be3 cxd5 14. cxd5 Rec8 15. Nd2 Qd8 16. Rac1 b5 17. b4 Na4 18. Qb3 a5 19. Nxa4 bxa4 20. Qa3 Ne8 21. Nc4 axb4 22. Qxb4 Rab8 23. Qd2 Rb5 24. Na3 Rb7 25. Rxc8 Qxc8 26. Bf1 Bxh3 27. Be2 Qb8 28. Nc4 Bd7 29. Qa5 Bf6 30. Nb6 Bd8 31. Rb1 Nf6 32. f3 Be8 33. Ba6 Bxb6 34. Rxb6 Rxb6 35. Bxb6 Nd7 36. Bc7 Qa7+ 37. Kf1 Nc5 38. Bc4 Qxa5 39. Bxa5 Kf8 40. Ke2 Ke7 41. Ke3 h5 42. f4 f6 43. Be2 g5 44. fxe5 fxe5 45. Bd1 h4 46. gxh4 gxh4 47. Be1 h3 48. Bh4+ Kf8 49. Bg3 Bg6 50. Bf3 a3 51. Bh2 Kg7 52. Bg3 Kh6 53. Bg4 Bxe4 54. Bxh3 Bxd5 55. Be1 Bxa2 56. Bb4 Bd5 57. Bxa3 Kg5 58. Bb4 Kf6 59. Bg4 Nb7 60. Bc8 Nc5 61. Bg4 Ke7 62. Be2 Kd7 63. Bb5+ Bc6 64. Bc4 Kc7 65. Ba5+ Kb7 66. Bc3 Kb6 67. Ba1 Bb5 68. Bd5 Nd7 69. Bb2 Nf6 70. Be6 Kc5 71. Ba3+ Kc6 72. Bb2 Ne8 73. Ke4 Nf6+ 74. Kf5 Nd5 75. Ke4 Nf4 76. Bf7 Bd3+ 77. Ke3 Bf5 78. Bb3 Nd3 79. Bc3 d5 80. Bc2 Kc5 81. Bxe5 1/2-1/2

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "7"]
[White "Umezinwa, George"]
[Black "Chamberlain, Louis E"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2305"]
[PlyCount "57"]
[EventDate "1995.06.??"]
[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 d5 2. c4 e5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 e4 6. cxd5 Qxd5 7. e3 Nf6 8. Ne2 0-0 9. Ng3 c5 10. c4 Qd6 11. a4 Nc6 12. d5 Nb4 13. Bb2 Rd8 14. Be2 Bg4 15. Nxe4 Nxe4 16. Bxg4 Qg6 17. 0-0 Nd2 18. Qxd2 Qxg4 19. Qc3 Rd6 20. f3 Qg5 21. f4 Qg6 22. e4 Re8 23. e5 Rdd8 24. f5 Qg5 25. Rad1 g6 26. e6 f6 27. fxg6 hxg6 28. Rxf6 Qh6 29. Rxg6+ 1-0

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "9"]
[White "Umezinwa, George"]
[Black "MacKenzie, Dana N"]
[Result "1/2-1/2"]
[ECO "E58"]
[WhiteElo "2300"]
[PlyCount "35"]
[EventDate "1995.06.??"]
[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 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 c5 8. Bd3 Nc6 9. cxd5 exd5 10. 0-0 Re8 11. Nd2 b6 12. Re1 Bb7 13. Nf1 Rc8 14. Ng3 Rc7 15. Bd2 g6 16. f3 cxd4 17. exd4 Rxe1+ 18. Qxe1 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1995.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Rajlich, Vasik G"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "2300"]
[PlyCount "96"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 b4 10. Ne2 c5 11. Ng3 Qb6 12. Qe2 Rc8 13. Rd1 Be7 14. dxc5 Nxc5 15. Bb5+ Bc6 16. Bxc6+ Rxc6 17. e4 0-0 18. e5 Nd5 19. Nf5 Re8 20. Nxe7+ Rxe7 21. Nd4 Rc8 22. Qg4 Rec7 23. Bh6 f5 24. exf6 Nxf6 25. Qh4 e5 26. Nf5 gxh6 27. Qg3+ Kf8 28. Nd6 Nce4 29. Nxc8 Rxc8 30. Qh4 Rc2 31. Rf1 Rxb2 32. Qxh6+ Kf7 33. Qh4 a5 34. h3 a4 35. Kh2 Rxf2 36. Rae1 b3 37. axb3 axb3 38. Rxf2 Qxf2 39. Rxe4 Nxe4 40. Qxh7+ Ke6 41. Qg8+ Qf7 42. Qc8+ Kd5 43. Qa8+ Kc5 44. Qa5+ Kc4 45. Qxe5 Qd5 46. Qc7+ Kd3 47. Qc1 Qe5+ 48. Kg1 Qc5+ 0-1

[Event "World op 23rd"]
[Site "Philadelphia"]
[Date "1995.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Slack, David R"]
[Result "1/2-1/2"]
[ECO "D89"]
[WhiteElo "2305"]
[PlyCount "75"]
[EventDate "1995.06.??"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. Qa4 a6 15. Rac1 b5 16. Qc2 Rc8 17. Qb1 Nc4 18. Bxc4 Bxc4 19. Rfe1 Bxe2 20. Rxc8 Qxc8 21. Rxe2 Qc3 22. e5 Rc8 23. Qe4 e6 24. h4 b4 25. h5 a5 26. Kf2 a4 27. Qb7 b3 28. axb3 axb3 29. g4 Bf8 30. Kg3 Ba3 31. hxg6 hxg6 32. Rh2 Bc1 33. Bxc1 Qxc1 34. Qxb3 Qg1+ 35. Rg2 Qxd4 36. Re2 g5 37. Qe3 Qxe3 38. Rxe3 1/2-1/2

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.24"]
[Round "8"]
[White "Olesen, Martin"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2340"]
[BlackElo "2300"]
[PlyCount "62"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 Be7 6. b3 c5 7. Bb2 0-0 8. 0-0 d5 9. c4 Nbd7 10. Rc1 cxd4 11. exd4 Rc8 12. Qe2 Re8 13. Rfd1 Bd6 14. Ne5 Qe7 15. Ndf3 dxc4 16. bxc4 h6 17. a4 Red8 18. Rb1 Nf8 19. h3 N6d7 20. a5 Nxe5 21. Nxe5 Qg5 22. Qg4 Bxe5 23. Qxg5 hxg5 24. dxe5 Rxd3 25. Rxd3 Be4 26. Rbd1 Bxd3 27. Rxd3 Rxc4 28. axb6 axb6 29. Rd8 Ra4 30. Rb8 g6 31. Rxb6 Ra5 1/2-1/2

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.24"]
[Round "9"]
[White "Umezinwa, George"]
[Black "Alexopoulos, Georgios"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2300"]
[BlackElo "2260"]
[PlyCount "14"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Qe7 7. Qxe7+ Kxe7 1/2-1/2

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.22"]
[Round "5"]
[White "Gurevich, Dmitry"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2545"]
[BlackElo "2300"]
[PlyCount "81"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Rd1 b6 9. b3 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Ne5 h6 13. h4 Bd6 14. c5 Be7 15. Nxe4 Nxe4 16. Bxe4 Nf6 17. Bf3 Nd5 18. a3 Rc7 19. b4 Bf6 20. Bd2 Bxe5 21. dxe5 f5 22. a4 bxc5 23. Qxc5 a6 24. Rac1 Rd7 25. Be1 Qe8 26. Rd4 Qf7 27. Bd2 Rfd8 28. Rcc4 Kh7 29. Bc1 g6 30. Rd2 Qg7 31. Re2 g5 32. hxg5 hxg5 33. g4 f4 34. Be4+ Kg8 35. Rcc2 Qh6 36. Bd2 f3 37. Bxf3 Nf4 38. Re4 Rxd2 39. Rxd2 Rxd2 40. Rxf4 gxf4 41. Qe7 1/2-1/2

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.22"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Formanek, Edward W"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2300"]
[BlackElo "2320"]
[PlyCount "104"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 Nf6 5. Nc3 e6 6. cxd5 exd5 7. Be2 Bd6 8. a3 0-0 9. h3 Bc8 10. Bd3 Re8 11. Qc2 g6 12. Bd2 Nb8 13. Nb5 a6 14. Nxd6 cxd6 15. Qb3 Nc6 16. Rc1 Qe7 17. 0-0 Be6 18. Nh2 Nh5 19. f4 Ng3 20. Rf3 Ne4 21. Be1 f5 22. Rf1 Qf7 23. Nf3 h6 24. Qb6 Rec8 25. Bh4 Qd7 26. Rc2 Ne7 27. Rfc1 Rxc2 28. Rxc2 Rc8 29. Rxc8+ Nxc8 30. Qa5 Ne7 31. Qb6 Nc8 32. Qa5 Ne7 33. Bc2 Kf7 34. Bb3 Nc6 35. Qb6 Ne7 36. Bc2 Ke8 37. Bd3 Qc6 38. Qb3 Kf7 39. Kh2 Nc8 40. Qc2 Qxc2 41. Bxc2 Nb6 42. b3 Ke8 43. Kg1 Nc8 44. Be1 Na7 45. Bb4 Nc6 46. Be1 a5 47. Bd3 b6 48. Bb5 Bd7 49. Kf1 Nb8 50. Bd3 Bc8 51. Bb5+ Bd7 52. Bd3 Bc8 1/2-1/2

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.21"]
[Round "3"]
[White "Browne, P."]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B87"]
[BlackElo "2300"]
[PlyCount "94"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f4 Qc7 9. Qf3 Be7 10. f5 e5 11. Nde2 Bb7 12. Ng3 b4 13. Nd5 Bxd5 14. exd5 Nbd7 15. Bg5 0-0 16. 0-0 Rac8 17. Kh1 Nxd5 18. Bxe7 Nxe7 19. Nh5 Kh8 20. f6 gxf6 21. Nxf6 Ng6 22. Nxd7 Qxd7 23. Qf6+ Kg8 24. h4 d5 25. h5 Rc6 26. Qg5 Qe7 27. Qg3 Kg7 28. hxg6 hxg6 29. Rae1 f6 30. Rf2 Rd6 31. Rd2 Qa7 32. Qf2 d4 33. Kg1 Qc5 34. Ra1 e4 35. Re2 f5 36. a3 bxa3 37. Rxa3 Qe5 38. g3 f4 39. gxf4 Rxf4 40. Qg2 Rdf6 41. Bc4 d3 42. cxd3 Qc5+ 43. d4 Qxd4+ 44. Rae3 Qxc4 45. Rxe4 Qc5+ 46. R4e3 Rf3 47. Qf2 Rxf2 0-1

[Event "Chicago Int 3rd"]
[Site "Chicago"]
[Date "1994.04.21"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2300"]
[BlackElo "2590"]
[PlyCount "154"]
[EventDate "1994.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 e5 8. e4 h6 9. h3 Nh7 10. Be3 Ng5 11. Nxg5 hxg5 12. f4 gxf4 13. gxf4 c6 14. dxe5 dxe5 15. f5 Nf6 16. Qe1 Nh5 17. Rd1 Qe7 18. Qf2 b6 19. Ne2 Ba6 20. b3 Rad8 21. Ng3 Nf4 22. Bxf4 exf4 23. Qxf4 Be5 24. Qg4 Bc8 25. Kh1 Rxd1 26. Rxd1 Rd8 27. Rxd8+ Qxd8 28. Nf1 Kg7 29. Bf3 Qd3 30. Qg2 Bd7 31. Be2 Qd4 32. Bg4 Be8 33. Qe2 c5 34. Kg2 Bc6 35. Bf3 Qd8 36. fxg6 fxg6 37. Ne3 Qh4 38. Nf1 Qg5+ 39. Kh1 Qf4 40. Bg2 Kf6 41. Bf3 Kg5 42. Kg2 Bd7 43. Qe3 Kf6 44. Bg4 Bc6 45. Bf3 Qh4 46. Bg4 Kg7 47. Nh2 Qf6 48. Bf3 Qh4 49. Bg4 Bd4 50. Qe2 Bxe4+ 51. Bf3 Bd3 52. Qd2 Bf5 53. Ng4 Be5 54. Qf2 Qxf2+ 55. Kxf2 Bd4+ 56. Ke1 g5 57. Kd2 Kg6 58. Bd1 Bc8 59. Ke2 Bb7 60. Bc2+ Kh5 61. Bf5 Kh4 62. Nh2 Kg3 63. Nf1+ Kf4 64. Bg4 Be4 65. Nd2 Bc2 66. Nf3 Bc3 67. Be6 Bb1 68. a3 Be4 69. Bd5 Bf5 70. h4 g4 71. Ng5 g3 72. Ne6+ Kg4 73. h5 Kxh5 74. Nf4+ Kg4 75. Ng2 Bd4 76. Bf3+ Kg5 77. Kd2 Bb2 0-1

[Event "Colias Memorial op"]
[Site "USA"]
[Date "1994.??.??"]
[Round "5"]
[White "Bereolos, Peter"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E20"]
[BlackElo "2300"]
[PlyCount "72"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 d5 5. Bg2 0-0 6. Nf3 c6 7. Qb3 Qa5 8. Bd2 Nbd7 9. a3 Bxc3 10. Bxc3 Qa6 11. Nd2 b6 12. 0-0 Bb7 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 c5 16. d5 exd5 17. cxd5 b5 18. Qc2 Qh6 19. Rad1 Rfe8 20. Bg2 Qh5 21. Qd3 a6 22. Rfe1 h6 23. Bf3 Qg5 24. h4 Rxe1+ 25. Rxe1 Qd8 26. d6 Qb6 27. Re7 Bc6 28. Rxd7 c4 29. Qd1 Bxd7 30. Bxa8 a5 31. Qd4 Qxd4 32. Bxd4 b4 33. axb4 axb4 34. Bd5 c3 35. bxc3 bxc3 36. Bxc3 Kf8 1-0

[Event "World op 22nd"]
[Site "Philadelphia"]
[Date "1994.??.??"]
[Round "?"]
[White "Browne, Walter Shawn"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2510"]
[BlackElo "2300"]
[PlyCount "55"]
[EventDate "1994.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. d5 exd5 8. Nxd5 c5 9. Ne5 Nxd5 10. Bxd5 Qc8 11. Bf4 d6 12. Nf3 Nc6 13. 0-0 Qd7 14. Qd2 Rad8 15. Rad1 Rfe8 16. Rfe1 Bf6 17. Bg5 Bxg5 18. Nxg5 Ne5 19. Qc2 h6 20. Qh7+ Kf8 21. Ne4 Bxd5 22. Rxd5 Qh3 23. f3 Ng6 24. Nxd6 Rxd6 25. Rxd6 Qf5 26. e4 Qe5 27. Red1 Qg5 28. Kf2 1-0

[Event "Colias Memorial op"]
[Site "USA"]
[Date "1994.??.??"]
[Round "1"]
[White "Cox, B."]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "E36"]
[BlackElo "2300"]
[PlyCount "135"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Be7 6. Bg5 c6 7. e3 Nbd7 8. Nf3 0-0 9. Bd3 h6 10. Bh4 dxc4 11. Bxc4 b5 12. Be2 Bb7 13. 0-0 a6 14. Rfd1 Rc8 15. b4 a5 16. Qb2 Re8 17. e4 g5 18. Bg3 Nh5 19. e5 Nxg3 20. hxg3 f5 21. Nh2 Kg7 22. Bh5 Rh8 23. g4 Nb6 24. gxf5 exf5 25. g4 Qd7 26. Qe2 Rcf8 27. gxf5 Qxf5 28. Ne4 Nd5 29. Ng3 Qh7 30. e6 Bd6 31. Bf7 Nf4 32. Qb2 Rxf7 33. exf7 Kxf7 34. Ng4 Rf8 35. Ne5+ Kg7 36. Kf1 Kg8 37. Qb1 Qxb1 38. Raxb1 Nd5 39. Ne4 Bc7 40. Kg1 Rf4 41. Nc5 Bc8 42. Rb3 Bf5 43. Rf3 Bxe5 44. Rxf4 Bxf4 45. bxa5 Bc7 46. a6 Bb6 47. Nb7 Nc7 48. Nd6 Be6 49. Re1 Bxd4 50. Ne8 Nxa6 51. Rxe6 Nb8 52. Rxh6 Bc5 53. Rh3 Kf7 54. Nc7 Bd6 55. Rf3+ Bf4 56. Na8 Ke6 57. Nb6 Kd6 58. a4 Kc7 59. a5 Kb7 60. Ra3 Bc7 61. a6+ Nxa6 62. Nd7 Bf4 63. Kf1 Bd6 64. Rd3 Kc7 65. Nf6 Bf4 66. Ke2 Nc5 67. Rc3 Kb6 68. f3 0-1

[Event "Colias Memorial op"]
[Site "USA"]
[Date "1994.??.??"]
[Round "3"]
[White "Gurevich, Dmitry"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2545"]
[BlackElo "2300"]
[PlyCount "51"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. Qc2 b6 7. cxd5 exd5 8. Bf4 c5 9. 0-0 Bb7 10. Rd1 Nc6 11. Nc3 a6 12. dxc5 bxc5 13. Bg5 Nb4 14. Qb1 Qc8 15. a3 d4 16. axb4 dxc3 17. bxc3 cxb4 18. cxb4 Be4 19. Qa2 Qb7 20. Rd4 h6 21. Bd2 Rfc8 22. Ne5 Bxg2 23. Qxf7+ Kh7 24. Rh4 h5 25. Ng4 Bf3 26. exf3 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "4"]
[White "Levin, David"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2285"]
[BlackElo "2300"]
[PlyCount "150"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 c5 6. c3 cxd4 7. cxd4 Bb4+ 8. Nc3 Nc6 9. a3 Bf8 10. e5 Qd8 11. Bd3 d6 12. Qe2 dxe5 13. dxe5 Be7 14. 0-0 a6 15. Rfd1 Qc7 16. Rac1 Bd7 17. Ne4 Rd8 18. Nc5 Qb6 19. b4 Bc8 20. Qe4 Rd5 21. Na4 Qd8 22. Nc3 Rd7 23. Bxa6 Nxb4 24. Rxd7 Qxd7 25. Bb5 Nc6 26. Nd4 0-0 27. Nxc6 bxc6 28. Bxc6 Qd2 29. Rc2 Qd8 30. a4 Qb6 31. Nb5 Rd8 32. g3 Ba6 33. Kg2 Rc8 34. f3 Bc5 35. Bd7 Bb7 36. Qe2 Rd8 37. Qc4 Rxd7 38. Qxc5 Rd2+ 39. Kg1 Qxc5+ 40. Rxc5 Bxf3 41. a5 Rg2+ 42. Kf1 Rxh2 43. a6 Ra2 44. Nd6 Be2+ 45. Kg1 Bxa6 46. Rc7 Ra1+ 47. Kg2 Rf1 48. Ra7 Bd3 49. Ra3 Rd1 50. Ra8+ Kh7 51. Ra7 Bg6 52. Rc7 Rd5 53. Nc4 Bd3 54. Nd6 Rxe5 55. Rxf7 Bb5 56. Re7 Bc6+ 57. Kf2 Kg6 58. g4 Rg5 59. Ne8 Rxg4 60. Rxg7+ Kf5 61. Rf7+ Ke5 62. Rh7 Rg2+ 63. Ke3 Rg6 64. Rf7 Bd5 65. Ng7 Rf6 66. Re7 Rf1 67. Re8 Rf3+ 68. Ke2 Rf7 69. Rg8 h5 70. Ke3 h4 71. Ne8 Rf3+ 72. Ke2 Rg3 73. Rh8 h3 74. Rh5+ Kf4 75. Nf6 Bf3+ 0-1

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "4"]
[White "Rogers, Norman"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "B89"]
[WhiteElo "2290"]
[BlackElo "2300"]
[PlyCount "127"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Qc7 8. Bb3 Nc6 9. Qe2 Be7 10. 0-0-0 0-0 11. Rhg1 Nd7 12. g4 Nc5 13. g5 g6 14. f4 b5 15. f5 Nxb3+ 16. axb3 exf5 17. Nd5 Nxd4 18. Bxd4 Qd8 19. Nf6+ Bxf6 20. Bxf6 Qb6 21. Qe1 fxe4 22. Bd4 Qd8 23. Bf6 Qb6 24. Kb1 Bf5 25. Qh4 h5 26. gxh6 Kh7 27. Be7 d5 28. Bxf8 Rxf8 29. Qe7 Qd8 30. Qe5 f6 31. Qxd5 Qxd5 32. Rxd5 Kxh6 33. Kc1 Bc8 34. Rd6 g5 35. Kd2 Kh5 36. c4 bxc4 37. bxc4 f5 38. Ke3 Bb7 39. c5 f4+ 40. Kd4 e3 41. c6 Bc8 42. c7 Rf7 43. Rd5 Rxc7 44. Rdxg5+ Kh6 45. Rg8 Bf5 46. Rf8 Rd7+ 47. Ke5 e2 48. Kxf5 Kh7 49. Kxf4 Rd1 50. Kf3 Rxg1 51. Kxe2 Rb1 52. Rb8 Rh1 53. Kd3 Rxh2 54. Kc4 Rc2+ 55. Kb3 Rc6 56. Ka4 Kg7 57. Ka5 Kf7 58. Rb6 Rc1 59. Kxa6 Ke7 60. b4 Kd7 61. Rb7+ Kc8 62. Rh7 Kb8 63. b5 Rc8 64. Rb7+ 1/2-1/2

[Event "New York op"]
[Site "New York"]
[Date "1994.??.??"]
[Round "4"]
[White "Sherzer, Alex"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2465"]
[BlackElo "2300"]
[PlyCount "97"]
[EventDate "1994.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 040 Extra"]
[Source "ChessBase"]
[SourceDate "1994.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. dxc5 dxc5 13. Nbd2 Nc6 14. Nf1 Nf6 15. Qe2 h6 16. Ne3 Be6 17. Rd1 Qb8 18. a4 b4 19. Nd5 Re8 20. a5 Qb7 21. Ba4 Nd7 22. Be3 Bf8 23. Nd2 f5 24. f3 f4 25. Bf2 Bf7 26. Nb3 Rac8 27. Nd2 Re6 28. Nc4 Rg6 29. Rd2 Re6 30. Rad1 Ndb8 31. Rd3 Kh7 32. R1d2 Kg8 33. Qd1 Kh7 34. Kh1 Rce8 35. Qg1 bxc3 36. bxc3 Qa7 37. Rb2 Rg6 38. Rb6 Bxd5 39. exd5 Rd8 40. Qb1 Nxa5 41. Rxg6 Nxc4 42. Rd4 Na3 43. Qf5 Kg8 44. Rd1 Qf7 45. Qe4 Rd6 46. Rxd6 Bxd6 47. c4 Qb7 48. Qg6 Nxc4 49. Qe8+ 1-0

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "6"]
[White "Solomons, Deon"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2275"]
[BlackElo "2300"]
[PlyCount "61"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Bb2 Nbd7 8. d3 b5 9. Nbd2 Bb7 10. Qc2 Rc8 11. Rfd1 Qb6 12. d4 c5 13. Rac1 bxc4 14. bxc4 cxd4 15. Bxd4 Qa6 16. Ne5 Nxe5 17. Bxe5 dxc4 18. Bxb7 Qxb7 19. Bxf6 Bxf6 20. Nxc4 Rfd8 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Qxd1 g6 24. Qd3 Qc6 25. Qb3 Kg7 26. Qd3 h5 27. h4 Qb5 28. Qc2 Qc5 29. Qd3 Qb5 30. Qc2 Qc5 31. Qd3 1/2-1/2

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "2"]
[White "Soltis, Andrew E"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2430"]
[BlackElo "2300"]
[PlyCount "57"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 a6 8. Be3 Qc7 9. f4 Be7 10. Qf3 0-0 11. 0-0-0 Na5 12. g4 Nxb3+ 13. axb3 Nd7 14. g5 Re8 15. h4 b5 16. g6 hxg6 17. h5 Nf8 18. hxg6 fxg6 19. f5 Bf6 20. fxg6 Nxg6 21. Qh5 Qf7 22. e5 Bxe5 23. Rdf1 Bf6 24. Ne4 Bb7 25. Qh7+ Kf8 26. Nxf6 gxf6 27. Rxf6 Ne5 28. Rxf7+ Nxf7 29. Rf1 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "3"]
[White "Umezinwa, George"]
[Black "Ahmed, Jahangir"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2300"]
[PlyCount "49"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 Bg4 5. e3 e6 6. Bxc4 Nbd7 7. a3 Bd6 8. e4 e5 9. Be3 0-0 10. d5 a6 11. Be2 Bh5 12. Nd2 Ng4 13. Bxg4 Bxg4 14. Qxg4 f5 15. exf5 Nb6 16. Qe2 c6 17. dxc6 bxc6 18. Rd1 Nd5 19. Qc4 Kh8 20. Nxd5 cxd5 21. Qxd5 Rxf5 22. Ne4 Bc7 23. Qxd8+ Rxd8 24. Rxd8+ Bxd8 25. Ke2 1-0

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Ashley, Maurice"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2300"]
[BlackElo "2460"]
[PlyCount "64"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c6 6. Bg2 b5 7. cxb5 cxb5 8. Qd1 Bb7 9. a3 a5 10. 0-0 Be7 11. Bg5 0-0 12. Nbd2 h6 13. Bxf6 Bxf6 14. Re1 Qb6 15. e3 d6 16. a4 Rc8 17. axb5 Qxb5 18. Ra3 Nc6 19. Bf1 Qb6 20. Nc4 Qc7 21. Rc3 Be7 22. e4 Nb4 23. Bh3 Qd8 24. Qb3 Rcb8 25. Qd1 Ra6 26. Bg2 d5 27. exd5 Bxd5 28. Ne3 Rab6 29. Qa4 Bc6 30. Qa1 Nd5 31. Nxd5 Bxd5 32. Rc2 a4 0-1

[Event "New York op"]
[Site "New York"]
[Date "1994.??.??"]
[Round "9"]
[White "Umezinwa, George"]
[Black "Beckman, Thomas J"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2300"]
[BlackElo "2220"]
[PlyCount "77"]
[EventDate "1994.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 040 Extra"]
[Source "ChessBase"]
[SourceDate "1994.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 0-0 6. Nc3 d6 7. 0-0 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Bf4 Ne4 12. Nxe4 fxe4 13. Qxe4 Bf5 14. Qe3 Qb6 15. Qxb6 axb6 16. Bxd6 Rfe8 17. Ba3 Rxe2 18. Rfe1 Rae8 19. Bf1 Rxe1 20. Nxe1 Rd8 21. Rc1 Nc5 22. h3 h5 23. Nf3 Bf6 24. Re1 Kf7 25. Kg2 Na4 26. Ne5+ Kg7 27. g4 hxg4 28. hxg4 Bb1 29. b3 Nc3 30. Bb2 Nd1 31. Nxc6 bxc6 32. Re7+ Kf8 33. Bxf6 Rd6 34. g5 Nc3 35. Re3 Be4+ 36. f3 Rd2+ 37. Kg3 Bf5 38. Bxc3 Rxa2 39. Bd3 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Breider, Jon P"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2300"]
[PlyCount "104"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. Nc3 Nf6 6. cxd5 exd5 7. Bb5 Qd7 8. Ne5 Bxd1 9. Nxd7 Kxd7 10. Kxd1 Bb4 11. Bd2 a6 12. Bd3 g6 13. Kc2 Rhe8 14. f3 Bf8 15. a3 b5 16. Nd1 Re6 17. g4 h5 18. g5 Ne8 19. Nf2 Nd6 20. b3 Rae8 21. Rhe1 Bg7 22. Bf1 Nf5 23. Bh3 Ncxd4+ 24. exd4 Nxd4+ 25. Kd3 Nxf3 26. Rac1 Nxe1+ 27. Bxe1 Bb2 28. Rb1 Be5 29. Bc3 Bxh2 30. Bd4 Kd6 31. Bxe6 fxe6 32. b4 e5 33. Bc5+ Ke6 34. Rh1 Bf4 35. Nh3 e4+ 36. Ke2 Be5 37. Rd1 c6 38. Bd4 Bxd4 39. Rxd4 Ke5 40. Rd1 a5 41. Rf1 axb4 42. axb4 Ra8 43. Rf6 Ra2+ 44. Ke1 d4 45. Nf4 d3 46. Nxg6+ Kd4 47. Nh4 Ra1+ 48. Kf2 e3+ 49. Kg2 d2 50. Nf5+ Ke4 51. Ng3+ Kd5 52. Ne2 Ke5 0-1

[Event "New York op"]
[Site "New York"]
[Date "1994.??.??"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Cooke, Eric"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2300"]
[BlackElo "2165"]
[PlyCount "69"]
[EventDate "1994.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 040 Extra"]
[Source "ChessBase"]
[SourceDate "1994.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 a6 10. a4 Re8 11. Nd2 Nbd7 12. h3 Rb8 13. Nc4 Ne5 14. Na3 Nh5 15. e4 Rf8 16. g4 Bxg4 17. hxg4 Qh4 18. gxh5 Ng4 19. Bf4 Be5 20. Qd2 f5 21. Nc4 g5 22. Nxe5 gxf4 23. Nf3 Qxh5 24. Qxf4 Kh8 25. Qg5 Qf7 26. Qxf5 Qg7 27. Qg5 Qd7 28. e5 Rg8 29. e6 Qc7 30. Qh4 Rbf8 31. Ng5 Ne5 32. f4 Ng6 33. Qh2 Qe7 34. Nce4 Rf5 35. Nxd6 1-0

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "1"]
[White "Umezinwa, George"]
[Black "Ehlvest, Jaan"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2300"]
[BlackElo "2610"]
[PlyCount "122"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 Bb4+ 8. Bd2 a5 9. Nc3 Bc6 10. 0-0 0-0 11. Qc2 h6 12. a3 Bxc3 13. Bxc3 Be4 14. Qd1 Nd5 15. Bb2 Qc8 16. Nd2 Bxg2 17. Kxg2 f5 18. e3 Qb7 19. Kg1 Nc6 20. Rc1 Qa6 21. Re1 Rab8 22. Qc2 Rb5 23. Qd3 Qb7 24. Rc4 Rb8 25. Rec1 Qc8 26. Rc5 R5b6 27. Rxd5 exd5 28. Qxf5 Ne7 29. Qe5 Re6 30. Qxc7 Qxc7 31. Rxc7 a4 32. Bc3 axb3 33. Bb4 Rc6 34. Rxc6 Nxc6 35. Nxb3 Nxb4 36. axb4 Rxb4 37. Nc5 d6 38. Nd3 Rb1+ 39. Kg2 g5 40. h3 Kf7 41. h4 Rb3 42. Nc1 Rc3 43. Ne2 Rc2 44. Kf1 gxh4 45. gxh4 Ke6 46. Ng3 Rc8 47. Kg2 Rg8 48. Kf3 Kd7 49. Nh5 Kc6 50. Ng3 Rf8+ 51. Kg2 Kb5 52. Nh5 Kc4 53. Nf4 Rxf4 54. exf4 Kxd4 55. f3 Kc5 56. Kf2 d4 57. Ke2 Kd5 58. h5 Ke6 59. Kd3 Kf5 60. Kxd4 Kxf4 61. Kd5 Kxf3 1/2-1/2

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "3"]
[White "Umezinwa, George"]
[Black "Fedorowicz, John P"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2300"]
[BlackElo "2520"]
[PlyCount "80"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ c6 8. Ba4 0-0 9. Ne2 e5 10. 0-0 Qe7 11. Qc2 Be6 12. Bb3 Re8 13. f3 Nd7 14. Rb1 b5 15. Bxe6 Qxe6 16. a4 a6 17. Be3 Nb6 18. axb5 Nc4 19. Qd3 axb5 20. Ra1 Qd6 21. Bf2 Ra3 22. Rxa3 Qxa3 23. dxe5 Nxe5 24. Qd2 Ra8 25. h3 h5 26. f4 Nc4 27. Qd3 Qd6 28. Qxd6 Nxd6 29. e5 Ne4 30. Nd4 Nxc3 31. Be1 Nd5 32. Nxc6 Bh6 33. g3 h4 34. Nd4 b4 35. Bf2 Ra3 36. Kh2 Rd3 37. Ne2 hxg3+ 38. Bxg3 Rd2 39. Rf2 Nc3 40. Nxc3 bxc3 0-1

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "9"]
[White "Umezinwa, George"]
[Black "Levitt, Jonathan"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2300"]
[BlackElo "2445"]
[PlyCount "110"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. e3 e5 5. Nf3 Nc6 6. Be2 Nf6 7. 0-0 Bd6 8. c4 dxc4 9. Nbd2 0-0 10. Nxc4 Bc7 11. Qxd8 Rxd8 12. b3 e4 13. Ne1 b5 14. Na3 Be5 15. Rb1 a6 16. f4 Bc3 17. Nec2 Nd5 18. Rd1 Bb7 19. Kf2 Ndb4 20. Rxd8+ Rxd8 21. Nxb4 Nxb4 22. Bb2 Nxa2 23. Bxc3 Nxc3 24. Rc1 b4 25. Nc4 Bd5 26. Nd2 Be6 27. Ke1 a5 28. Ra1 a4 29. bxa4 b3 30. Nxb3 Bxb3 31. Ra3 Nxe2 32. Rxb3 Nc1 33. Rb5 g6 34. g4 Rd3 35. Re5 Ra3 36. Rxe4 Ra2 37. Rc4 Nd3+ 38. Kf1 Rxh2 39. Rc3 Nb4 40. Rb3 Na6 41. Rb5 Ra2 42. a5 h6 43. Kg1 Kf8 44. e4 Ra4 45. Re5 Nb4 46. f5 Kg7 47. Kg2 Nd3 48. Rb5 Rxe4 49. Kf3 gxf5 50. Rxf5 Ra4 51. Kg3 f6 52. Kh4 Kg6 53. Rb5 Ne5 54. Rb8 Rxa5 55. Rg8+ Kh7 0-1

[Event "New York op"]
[Site "New York"]
[Date "1994.??.??"]
[Round "7"]
[White "Umezinwa, George"]
[Black "Orlov, Georgi"]
[Result "0-1"]
[ECO "E33"]
[WhiteElo "2300"]
[BlackElo "2515"]
[PlyCount "114"]
[EventDate "1994.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 040 Extra"]
[Source "ChessBase"]
[SourceDate "1994.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Nc6 4. Nc3 Bb4 5. Qc2 d6 6. a3 Bxc3+ 7. Qxc3 0-0 8. b4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Bb2 Re8 12. Rd1 Qe7 13. e3 a5 14. Bd3 b6 15. 0-0 Bb7 16. Bc2 axb4 17. axb4 Ne4 18. Bxe4 Bxe4 19. f3 Bb7 20. Ra1 Rab8 21. f4 Qh4 22. fxe5 Re6 23. Qd4 Rg6 24. Rf2 Qh3 25. e4 c5 26. Qc3 Qg4 27. Qd2 Qxe4 28. bxc5 bxc5 29. Qe2 Qxe2 30. Rxe2 Bxg2 31. Rxg2 Rxg2+ 32. Kxg2 Rxb2+ 33. Kg3 Kf8 34. Ra5 Ke7 35. Rxc5 Ke6 36. h4 Kf5 37. Kf3 Rb3+ 38. Ke2 Rh3 39. h5 Ke6 40. Ra5 Rxh5 41. Ra6+ Kf5 42. Kd3 Rh1 43. Ra7 Kxe5 44. Rxf7 Rh3+ 45. Ke2 Rg3 46. Kf2 Rg5 47. Ke3 h5 48. Rd7 Ke6 49. Rd1 h4 50. Rd4 Rg3+ 51. Kf2 g5 52. Rd5 Kf6 53. Rd6+ Kf5 54. Rd5+ Kg4 55. c5 Rc3 56. Kg2 h3+ 57. Kh2 Kh4 0-1

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "7"]
[White "Umezinwa, George"]
[Black "Waitzkin, Joshua"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2300"]
[BlackElo "2430"]
[PlyCount "136"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Bg5 0-0 8. Nbd2 d6 9. e3 Nbd7 10. Re1 h6 11. Bxf6 Nxf6 12. Qa4 a6 13. Qc2 Rc8 14. Rad1 Qc7 15. Nh4 cxd4 16. exd4 Nd5 17. Nhf3 b5 18. a4 Nb6 19. axb5 axb5 20. Qb3 Qd7 21. Bf1 Bc6 22. Bd3 Qb7 23. Be4 Nd5 24. Re2 Ra8 25. Rde1 Kh8 26. Rc1 f5 27. Bxd5 Bxd5 28. c4 bxc4 29. Qxb7 Bxb7 30. Rxe6 Rf7 31. Rce1 Bd8 32. Rxd6 Ba5 33. Ra1 Rc7 34. Ne5 Bxd2 35. Rxa8+ Bxa8 36. Rd8+ Kh7 37. Rxa8 c3 38. bxc3 Bxc3 39. Rd8 Ba5 40. Rd5 Bc3 41. h4 Re7 42. h5 Bxd4 43. Ng6 Re1+ 44. Kg2 Bf6 45. Rxf5 Kg8 46. Rc5 Kf7 47. Rc8 Ra1 48. Rc7+ Ke6 49. Nf8+ Kd6 50. Rd7+ Ke5 51. Kh3 Rf1 52. f4+ Kf5 53. Rd5+ Ke4 54. Rb5 Ra1 55. Kg4 Ra3 56. Nd7 Bc3 57. Ne5 Ra5 58. Rb7 Bxe5 59. Re7 Rd5 60. fxe5 Rxe5 61. Rxg7 Re6 62. Rg6 Ke5 63. Kh4 Rd6 64. g4 Rxg6 65. hxg6 Kf6 66. Kh5 Kg7 67. g5 hxg5 68. Kxg5 Kg8 1/2-1/2

[Event "New York Murphy-ACF"]
[Site "New York"]
[Date "1994.??.??"]
[Round "8"]
[White "Wojtkiewicz, Aleksander"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E02"]
[WhiteElo "2555"]
[BlackElo "2300"]
[PlyCount "37"]
[EventDate "1994.03.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. d4 dxc4 6. Qa4+ Nbd7 7. Qxc4 c5 8. dxc5 Bxc5 9. Nc3 a6 10. Qd3 0-0 11. 0-0 Qc7 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Bf4 Qb6 15. Qc2 Bd7 16. Ne5 Bb5 17. Bf3 Rac8 18. Qb3 a5 19. a4 1/2-1/2

[Event "Mid America Class ch"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Acosta, Mariano"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2325"]
[PlyCount "52"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e4 Qb6 5. Nbd2 cxd4 6. Nc4 Qb4+ 7. c3 dxc3 8. bxc3 Qc5 9. e5 Nd5 10. Nd4 Nb6 11. Nb3 Qc7 12. Nxb6 Qxe5+ 13. Be2 axb6 14. f4 Qxc3+ 15. Kf1 Nc6 16. Rc1 Qe3 17. h4 Rxa2 18. Rh3 Qxe2+ 19. Qxe2 Rxe2 20. Kxe2 f6 21. Ra1 Be7 22. Ra8 0-0 23. Rf3 Re8 24. Rc3 fxg5 25. hxg5 d5 26. Kd3 e5 0-1

[Event "Midwest Class op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "2"]
[White "Babcock, Thomas C"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B98"]
[BlackElo "2325"]
[PlyCount "48"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nc6 10. Be2 Bd7 11. Rhe1 h6 12. Bxf6 Bxf6 13. Ndb5 axb5 14. Nxb5 Qb6 15. Nxd6+ Kf8 16. Nb5 Nd4 17. Nxd4 Bxd4 18. Qb3 Qxb3 19. axb3 Be3+ 20. Kb1 Bc6 21. Bd3 Bxf4 22. g3 Be5 23. b4 Ke7 24. b5 Bd7 0-1

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "3"]
[White "De Firmian, Nick E"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2560"]
[BlackElo "2325"]
[PlyCount "81"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Qc7 9. 0-0 Be7 10. f4 0-0 11. f5 Nxd4 12. Bxd4 b5 13. a3 e5 14. Be3 Bb7 15. Qf3 Bc6 16. Bg5 Rac8 17. Bxf6 Bxf6 18. Rad1 Rfd8 19. Nd5 Bxd5 20. Rxd5 Qb6+ 21. Kh1 Rc5 22. c3 Rxd5 23. Bxd5 Rd7 24. g3 Kf8 25. h4 h6 26. Kg2 Qc5 27. Kh3 a5 28. Qd3 Rd8 29. Qd2 Rb8 30. g4 Bd8 31. g5 hxg5 32. hxg5 Bb6 33. f6 Qe3+ 34. Qxe3 Bxe3 35. Kg4 b4 36. axb4 axb4 37. Rh1 Kg8 38. g6 Bh6 39. Bxf7+ Kf8 40. Rxh6 gxh6 41. Bd5 1-0

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "De Fotis, Gary"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "A02"]
[BlackElo "2325"]
[PlyCount "74"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. g3 d6 4. e4 c6 5. Bg2 Qb6 6. c3 Nf6 7. Qe2 0-0 8. d3 Nbd7 9. Be3 Qc7 10. Nbd2 e5 11. Nh4 exf4 12. gxf4 Re8 13. 0-0 Nf8 14. h3 Nh5 15. Qf2 b6 16. d4 Ba6 17. Rfe1 Rad8 18. Bf3 Nf6 19. Qg2 Kh8 20. Kh1 N8d7 21. Rg1 Bh6 22. Rae1 Rg8 23. Qf2 Bg7 24. e5 Nd5 25. Ne4 dxe5 26. fxe5 Nxe3 27. Rxe3 Bc4 28. b3 Be6 29. Bg4 Bd5 30. c4 Bxe4+ 31. Rxe4 Rgf8 32. Rf4 Nxe5 33. dxe5 Bxe5 34. Re4 f5 35. Bxf5 gxf5 36. Nxf5 Rf7 37. Reg4 c5 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "7"]
[White "Drkulec, Vladimir"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2325"]
[PlyCount "126"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Nf3 Bb7 8. Bg5 d6 9. e3 Nbd7 10. Be2 h6 11. Bh4 Qe7 12. 0-0 g5 13. Bg3 Ne4 14. Qc2 f5 15. Nd2 Nxd2 16. Qxd2 Nf6 17. f3 e5 18. c5 f4 19. dxe5 dxe5 20. exf4 exf4 21. Bf2 Rad8 22. Qc2 Kg7 23. Rac1 Bd5 24. Rfe1 Qf7 25. Qc3 Kg8 26. Bd3 g4 27. fxg4 Nxg4 28. Bh4 f3 29. gxf3 Qxf3 30. Bh7+ Kxh7 31. Re7+ Kg6 32. Rg7+ Kh5 33. Qxf3 Bxf3 34. Bxd8 Rxd8 35. h3 Ne5 36. Rxc7 Rd2 37. cxb6 axb6 38. R1c2 Rd6 39. Rg7 Kh4 40. Kf2 Bd1 41. Rc3 Nd3+ 42. Ke3 Nxb2 43. Rg2 Na4 44. Rc4+ Kxh3 45. Rg1 Nc5 46. Kf2 Rf6+ 47. Ke1 Bf3 48. a4 Bg2 49. Rc2 Nd3+ 50. Kd2 Nf4 51. Rb1 Kh2 52. Rb5 Kg3 53. Rc3+ Bf3 54. a5 bxa5 55. Rxa5 h5 56. Rg5+ Kf2 57. Rc8 h4 58. Rh8 h3 59. Rg7 Nh5 60. Rg5 Rd6+ 61. Kc1 h2 62. Rgxh5 Rd1+ 63. Kc2 Bxh5 0-1

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "9"]
[White "Fernandez, Marino"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "A30"]
[BlackElo "2325"]
[PlyCount "87"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 c5 6. Nc3 Be7 7. Re1 d6 8. e4 0-0 9. d4 cxd4 10. Nxd4 Qc8 11. b3 Rd8 12. Bb2 Nbd7 13. Rc1 a6 14. h3 Bf8 15. Kh2 Qc7 16. Nde2 Rac8 17. Nf4 g6 18. Nd3 Bg7 19. Qe2 Ba8 20. f4 Nc5 21. Nxc5 Qxc5 22. Na4 Qc7 23. Bd4 Nd7 24. Bxg7 Kxg7 25. h4 h5 26. Bh3 Nf6 27. Qb2 Bc6 28. Nc3 Qe7 29. Nd5 Bxd5 30. exd5 Re8 31. dxe6 fxe6 32. Rxe6 Qxe6 33. Bxe6 Rxe6 34. Qd4 b5 35. Qa7+ Kh6 36. Qxa6 Rce8 37. cxb5 Re2+ 38. Kg1 Rd2 39. b6 Re3 40. Qc8 Ne8 41. b7 Rxa2 42. Qh3 Rxb3 43. Qe6 Rxg3+ 44. Kh1 1-0

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "1"]
[White "Goldin, Alexander"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2555"]
[BlackElo "2325"]
[PlyCount "120"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 Nxd2 9. Qxd2 d6 10. e4 Nd7 11. Rfd1 Qc8 12. Rac1 Rd8 13. a3 c5 14. d5 e5 15. Ne1 a6 16. Nd3 Qc7 17. Rf1 Re8 18. h3 Rab8 19. Kh2 Bc8 20. a4 h6 21. Rce1 Nf8 22. Bf3 Nh7 23. Bg4 Bxg4 24. hxg4 Qd7 25. f3 Rb7 26. Kg2 Reb8 27. Rb1 Bd8 28. Rh1 Bg5 29. Qe2 Bf6 30. Rh5 Nf8 31. b4 Ng6 32. Rhh1 Qc7 33. b5 Ra8 34. bxa6 Rxa6 35. Qc2 Qd7 36. Rb5 Bd8 37. Rhb1 Rba7 38. Qe2 Qe7 39. Nf2 Qf6 40. Rh1 Qg5 41. Rbb1 Qe7 42. Nfd1 Qd7 43. Ne3 Ra8 44. Nf5 Bg5 45. Qb2 Ne7 46. Qf2 Nxf5 47. gxf5 Bd8 48. Qb2 Bg5 49. Qe2 Bd8 50. Rb3 Qe7 51. Kf2 Qg5 52. Qe3 Qf6 53. Rbb1 Kf8 54. Ra1 Qe7 55. Ke2 Qd7 56. Rxh6 Bf6 57. Rh8+ Ke7 58. Rxa8 Rxa8 59. g4 Kd8 60. g5 Be7 1-0

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Gratz, Glen"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2325"]
[PlyCount "182"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Nbd2 0-0 8. Re1 d6 9. c3 b5 10. Qc2 Rb8 11. Nf1 Qb6 12. Bf4 Rd8 13. Rad1 Rd7 14. h4 b4 15. N1d2 Ba6 16. c4 Bb7 17. e5 dxe5 18. Nxe5 Nxe5 19. Bxe5 Bxe5 20. Rxe5 Qd6 21. Ree1 Bxg2 22. Kxg2 Qxd3 23. Qxd3 Rxd3 24. Ne4 Rd4 25. Nxc5 Rxc4 26. Nd7 Rbc8 27. Ne5 Rc2 28. Rd7 R2c7 29. Red1 Nd5 30. Rxc7 Rxc7 31. Rd2 Rc1 32. Kf3 Ra1 33. b3 Rc1 34. Ke4 Kf8 35. Nd3 Ra1 36. Kd4 Ke7 37. Kc4 a5 38. Kb5 Nc3+ 39. Kxa5 Nxa2 40. Kb5 Nc3+ 41. Kxb4 Ne4 42. Rc2 Rd1 43. Nc5 Rd4+ 44. Kb5 Nd6+ 45. Ka5 e5 46. b4 Nc4+ 47. Ka6 Rd6+ 48. Ka7 Na3 49. Ra2 Nb5+ 50. Kb7 Rd4 51. Rb2 Rd6 52. Re2 f6 53. f4 Rd4 54. Na6 Kd6 55. fxe5+ fxe5 56. Kb6 Nc3 57. Rc2 Nd5+ 58. Kb5 e4 59. Rc6+ Ke5 60. Nc5 Rxb4+ 61. Ka5 Rd4 62. Ne6 Rd3 63. Ng5 Rxg3 64. Nxh7 Kd4 65. Ng5 Nf4 66. Kb4 e3 67. Rc4+ Ke5 68. Nf7+ Kf5 69. Nh6+ Ke5 70. Nf7+ Kd5 71. Rc5+ Ke4 72. Ng5+ Rxg5 73. Rc4+ Kf3 74. hxg5 Nd3+ 75. Kc3 e2 76. Kxd3 e1Q 77. Rc5 Qe4+ 78. Kc3 Ke3 79. Kb3 Qb1+ 80. Kc3 Qc1+ 81. Kb4 Qb2+ 82. Kc4 Qd4+ 83. Kb5 Kd3 84. Kc6 Ke4 85. Kb5 Qd6 86. Kc4 Kf4 87. Kb4 Qxc5+ 88. Kxc5 Kxg5 89. Kd4 Kf4 90. Kd3 Kf3 91. Kd2 Kf2 0-1

[Event "Illinois op2"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "4"]
[White "Gurevich, Dmitry"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2495"]
[BlackElo "2325"]
[PlyCount "63"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 dxc4 7. Qa4+ Nbd7 8. 0-0 0-0 9. Qxc4 c5 10. dxc5 Bxc5 11. Nc3 a6 12. b4 Be7 13. Qb3 Nb6 14. Rfd1 Nbd5 15. Be1 Qe8 16. Nxd5 exd5 17. Nd4 Bd7 18. a4 Rd8 19. e3 Bd6 20. b5 axb5 21. Nxb5 Be5 22. Nd4 Bc8 23. Bb4 Bd6 24. Ba5 Rd7 25. Rac1 Qe5 26. Nb5 Bb8 27. Bc3 Qf5 28. Bxf6 Qxf6 29. Bxd5 Re7 30. Nc3 h5 31. Bg2 h4 32. Nd5 1-0

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "5"]
[White "Laster, Anthony G"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2325"]
[PlyCount "95"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 Nf6 5. Bg2 a6 6. a4 d6 7. 0-0 Be7 8. f4 0-0 9. h3 Qc7 10. g4 Nd7 11. Ng3 Rb8 12. d3 b5 13. axb5 axb5 14. Nce2 b4 15. g5 Bb7 16. f5 Rfe8 17. h4 Bf8 18. f6 g6 19. h5 Nce5 20. Nf4 d5 21. exd5 exd5 22. Nxd5 Qd6 23. Nf4 Qd4+ 24. Kh1 Bxg2+ 25. Kxg2 Ra8 26. Rxa8 Rxa8 27. hxg6 fxg6 28. Ne4 Nf7 29. Qg4 Re8 30. c3 bxc3 31. bxc3 Qc4 32. Rd1 Rxe4 33. dxe4 Qxe4+ 34. Qf3 Qxf3+ 35. Kxf3 Nxg5+ 36. Kg2 Nxf6 37. Nxg6 h6 38. Bxg5 Ne4 39. Be3 Nxc3 40. Rc1 Ne2 41. Rc4 Nd4 42. Bxd4 cxd4 43. Rxd4 Kf7 44. Kf3 Ke6 45. Rg4 Kf6 46. Ke4 Bd6 47. Kd5 Kf5 48. Rg2 1/2-1/2

[Event "Illinois op"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Maddex, William I"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "2325"]
[PlyCount "114"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 d6 4. Bb2 Nf6 5. e5 dxe5 6. Nxe5 a6 7. Bd3 Qc7 8. 0-0 Bd6 9. f4 Nbd7 10. Qe2 0-0 11. Nxd7 Nxd7 12. Bxh7+ Kxh7 13. Qh5+ Kg8 14. Bxg7 f6 15. Qg4 Ne5 16. fxe5 Qxg7 17. Qxg7+ Kxg7 18. exd6 Rd8 19. Nc3 f5 20. Na4 Rxd6 21. Nxc5 Rxd2 22. Rf2 Rd6 23. Re1 b6 24. Nd3 Bb7 25. Ne5 Rad8 26. Nc4 Rd1 27. Rxd1 Rxd1+ 28. Rf1 Rd4 29. g3 b5 30. Ne3 Be4 31. h3 Kg6 32. g4 Kg5 33. gxf5 exf5 34. h4+ Kf6 35. Rf2 Ke5 36. Ng2 Bxg2 37. Rxg2 Rxh4 38. Kf2 a5 39. a3 a4 40. bxa4 Rxa4 41. Rg3 Rc4 42. Rb3 Rxc2+ 43. Kf3 Rc5 44. Rb4 Rc3+ 45. Kf2 Rxa3 46. Rxb5+ Kf4 47. Rb4+ Kg5 48. Rc4 f4 49. Rc8 Ra5 50. Rg8+ Kf5 51. Rf8+ Ke4 52. Re8+ Re5 53. Rxe5+ Kxe5 54. Kf3 Kf5 55. Kf2 Kf6 56. Kf3 Kg5 57. Kf2 Kg4 1/2-1/2

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Martinovsky, Eugene Simeon"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2280"]
[BlackElo "2325"]
[PlyCount "98"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 d6 6. e4 Be7 7. Be2 0-0 8. 0-0 a6 9. Be3 Nbd7 10. f3 Qc7 11. Rc1 b6 12. Qe1 Bb7 13. Qg3 Rfe8 14. Rfd1 Bf8 15. Kh1 Rac8 16. Nc2 Ba8 17. Qf2 Rb8 18. Nb4 Bb7 19. Nd3 Ba8 20. b3 Rec8 21. Bd4 Ne5 22. f4 Nxd3 23. Bxd3 Nd7 24. Qh4 g6 25. Rf1 Re8 26. Rf3 Qd8 27. Qf2 f5 28. Rg3 e5 29. Be3 exf4 30. Qxf4 Ne5 31. Bb1 fxe4 32. Nxe4 Bg7 33. Ng5 Qe7 34. Bd4 Bc6 35. h4 Rf8 36. Qe3 h6 37. Nh3 Qxh4 38. Bxe5 dxe5 39. Bxg6 Rf6 40. Bc2 Rbf8 41. Kg1 e4 42. Re1 Rf3 43. Rxf3 exf3 44. Qe6+ Kh8 45. Rf1 Qg3 46. Rf2 Re8 47. Rxf3 Bd4+ 48. Kh1 Qe1+ 49. Qxe1 Rxe1+ 0-1

[Event "Master Challenge op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "3"]
[White "Porter, Ryan W"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "2325"]
[PlyCount "108"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 Bc5 5. 0-0 h6 6. h3 d6 7. c3 Bb6 8. Re1 0-0 9. Bf1 Qe7 10. Na3 a6 11. Nc4 Ba7 12. Be3 b5 13. Bxa7 bxc4 14. Be3 cxd3 15. Qxd3 Bb7 16. Nh4 Qe6 17. Nf5 Kh7 18. f3 Rad8 19. b3 Ng8 20. Qd2 Nce7 21. Bd3 Kh8 22. g4 d5 23. Qg2 dxe4 24. Bxe4 Bxe4 25. fxe4 Rd3 26. c4 Rfd8 27. Re2 Ng6 28. Rf1 Rd1 29. Ref2 Rxf1+ 30. Rxf1 Kh7 31. Qf2 Rd3 32. h4 Nf6 33. Qe2 Qd7 34. h5 Nf4 35. Bxf4 exf4 36. Rxf4 Rd2 37. Qe3 Rxa2 38. Qd4 Qxd4+ 39. Nxd4 Rd2 40. e5 Nd7 41. e6 fxe6 42. Nxe6 Nf6 43. Nxc7 Rb2 44. Nxa6 Rxb3 45. c5 Rc3 46. Kf2 Kg8 47. Ke2 Kf7 48. Kd2 Ra3 49. Nb4 Ke6 50. Rd4 Ra5 51. c6 Rc5 52. Kd3 Ne8 53. Rd7 Rg5 54. Rd4 Rc5 1/2-1/2

[Event "Master Challenge op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "1"]
[White "Sax, Robert"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B67"]
[BlackElo "2325"]
[PlyCount "102"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 a6 9. f4 Bd7 10. Nf3 h6 11. Bh4 Qc7 12. h3 0-0-0 13. Bd3 Rhe8 14. Bf2 Nb4 15. Kb1 Nxd3 16. cxd3 Kb8 17. Rc1 Qa5 18. Qe3 Qc5 19. Qe2 Qa5 20. e5 dxe5 21. Qe3 b6 22. Qxb6+ Qxb6 23. Bxb6 exf4 24. Bxd8 Rxd8 25. Ne5 Be8 26. Ne2 g5 27. Nc6+ Bxc6 28. Rxc6 Kb7 29. Rhc1 Nd5 30. d4 Bf6 31. R1c4 Rd7 32. R6c5 Ne3 33. Rb4+ Ka7 34. Rc6 Bd8 35. Nc3 Rd5 36. Ra4 Kb7 37. Rc5 Bb6 38. Ne4 f5 39. Rxd5 fxe4 40. Re5 a5 41. Rxe4 Nxg2 42. Re2 f3 43. Rf2 Nh4 44. Rd2 h5 45. Rd1 g4 46. hxg4 hxg4 47. d5 Ba7 48. Re4 f2 49. d6 Nf5 50. Rc4 Nxd6 51. Rxd6 g3 0-1

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "7"]
[White "Shure, Gary"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2235"]
[BlackElo "2325"]
[PlyCount "65"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Nc3 d5 4. Bg5 Nbd7 5. Ne5 Bb7 6. e3 a6 7. f4 e6 8. Qf3 Be7 9. Qh3 c5 10. Be2 Ne4 11. Nxe4 dxe4 12. Bh5 Nxe5 13. dxe5 g6 14. Rd1 Qc7 15. Bxe7 Qxe7 16. Be2 Rd8 17. Rxd8+ Qxd8 18. Qh6 b5 19. Kf2 c4 20. Rd1 Bd5 21. a4 Qe7 22. axb5 axb5 23. b3 Qb4 24. Qg7 Rf8 25. bxc4 bxc4 26. Ra1 h5 27. Ra6 Qe7 28. g3 Qb7 29. Rd6 Qe7 30. c3 Qc7 31. Bd1 Bc6 32. Rxe6+ Kd7 33. Rxc6 1-0

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Acosta, Mariano"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2325"]
[PlyCount "80"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 c6 7. Bd3 Nbd7 8. cxd5 exd5 9. h3 Re8 10. 0-0 Nf8 11. Ne5 Bd6 12. Rc1 Ng6 13. Nxg6 fxg6 14. Bxd6 Qxd6 15. Qb3 Kh8 16. Rc2 Rb8 17. Rfc1 g5 18. Ne2 g4 19. h4 g3 20. Nxg3 Rxe3 21. Re2 Rxg3 22. fxg3 Qxg3 23. Rce1 Bd7 24. Re3 Qxh4 25. Qb4 a5 26. Qd6 Rg8 27. Qe5 Re8 28. g3 Rxe5 29. gxh4 Rxe3 30. Rxe3 Kg8 31. a4 Kf7 32. b3 g6 33. Kg2 b5 34. axb5 cxb5 35. Re1 h6 36. Ra1 a4 37. bxa4 bxa4 38. Bc2 g5 39. hxg5 hxg5 40. Bxa4 Bf5 1-0

[Event "Mid America Class"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "1"]
[White "Umezinwa, George"]
[Black "Berry, Vincent"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2325"]
[PlyCount "70"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. Be2 0-0 8. 0-0 dxc4 9. Bxc4 c5 10. Rd1 cxd4 11. exd4 Nb6 12. Bd3 Nbd5 13. a3 Nxc3 14. bxc3 h6 15. c4 b6 16. Bb2 Bb7 17. Ne5 Rc8 18. Qe2 Bd6 19. Rac1 Qe7 20. Qe3 Bxe5 21. Qxe5 Qc7 22. Qe3 Ng4 23. Qh3 Qf4 24. Rc2 Nf6 25. f3 Bc6 26. Rf2 Nh7 27. Bc1 Qf6 28. Qg4 Rfd8 29. h4 Ba4 30. Rdd2 Qe7 31. Bb2 Nf6 32. Qf4 Qd6 33. Qxd6 Rxd6 34. c5 bxc5 35. dxc5 Rd5 1/2-1/2

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Carr, Jay A"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2325"]
[PlyCount "51"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 0-0 7. 0-0 c6 8. Be3 a6 9. a4 a5 10. h3 Qc7 11. Qd2 Re8 12. d5 c5 13. Ne1 Bf8 14. Nd3 g6 15. Bh6 Qd8 16. Rae1 b6 17. b3 Ba6 18. Bxf8 Nxf8 19. Qh6 Kh8 20. Qe3 Ra7 21. f4 exf4 22. Qxf4 Kg7 23. e5 Ng8 24. exd6 f6 25. Bg4 Rxe1 26. Rxe1 1-0

[Event "Illinois op"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Chow, Albert"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2325"]
[BlackElo "2270"]
[PlyCount "69"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Bb7 7. 0-0 0-0 8. Nc3 Ne4 9. Rc1 Nxc3 10. Bxc3 Bxc3 11. Rxc3 d6 12. Qd2 Nd7 13. Rd1 Qe7 14. Qf4 f5 15. h4 Be4 16. Qd2 Nf6 17. b3 e5 18. dxe5 dxe5 19. Rcc1 Qc5 20. Ne1 Bxg2 21. Nxg2 Rae8 22. Qe3 Qc6 23. c5 b5 24. Qc3 Ne4 25. Qf3 Qe6 26. Ne3 c6 27. Qg2 Rd8 28. g4 Rxd1+ 29. Rxd1 Nxc5 30. Nxf5 e4 31. Qg3 g6 32. Rd6 Qe8 33. Nh6+ Kg7 34. Qe3 Nb7 35. Rd4 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "6"]
[White "Umezinwa, George"]
[Black "Formanek, Edward W"]
[Result "0-1"]
[ECO "E74"]
[WhiteElo "2325"]
[BlackElo "2335"]
[PlyCount "84"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Qa5 10. Qd2 Nbd7 11. Nf3 Bxa6 12. 0-0 Rfb8 13. Rab1 Nxe4 14. Qe3 Nxc3 15. bxc3 Rxb1 16. Rxb1 Qxa2 17. Re1 Bxe2 18. Rxe2 Qxd5 19. Bxe7 Ne5 20. Nxe5 Qxe5 21. g3 Qd5 22. Qc1 Qc4 23. Re1 d5 24. Qb1 Bxc3 25. Qb7 Qa6 26. Qxa6 Rxa6 27. Rc1 Bb4 28. Bxc5 Rc6 29. Be3 Rxc1+ 30. Bxc1 d4 31. Kf1 d3 32. Bb2 f5 33. f3 Kf7 34. Kf2 Bd2 35. Bd4 f4 36. gxf4 Bxf4 37. Ke1 Ke6 38. Bf2 Ke5 39. h3 Ke6 40. Kd1 Kf5 41. Be1 Bg5 42. Bc3 Be3 0-1

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Garcia, Gildardo"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2325"]
[BlackElo "2520"]
[PlyCount "80"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Re8 10. 0-0 Nf8 11. a3 Ng6 12. b4 Bd6 13. Rfe1 Bg4 14. Nd2 h6 15. Bxf6 Qxf6 16. f3 Bd7 17. Nf1 Re7 18. Qf2 Rae8 19. Bc2 Bc7 20. Rad1 a5 21. Na4 axb4 22. axb4 b6 23. Nc3 b5 24. Ra1 Bc8 25. Kh1 Bb6 26. Qd2 Nh4 27. Rad1 g6 28. e4 Nxf3 29. gxf3 Qxf3+ 30. Kg1 dxe4 31. Rxe4 Rxe4 32. Bxe4 Rxe4 33. Nxe4 Qxe4 34. Qd3 Qg4+ 35. Ng3 Be6 36. Rd2 Bd5 37. Qe3 h5 38. Kf2 Bc7 39. Ne2 Bxh2 40. Ke1 Bd6 0-1

[Event "Midwest Class op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "3"]
[White "Umezinwa, George"]
[Black "Jakstas, Kazimieras"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2325"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. Bd3 dxc4 9. Bxc4 Bb7 10. 0-0 Nbd7 11. Qe2 Ne4 12. Bxe7 Qxe7 13. Ba6 Bxa6 14. Qxa6 Nxc3 15. bxc3 e5 16. Qb7 e4 17. Nd2 Nf6 18. f3 Rfe8 19. Qc6 Qd6 20. Qxd6 cxd6 21. fxe4 Nxe4 22. Nxe4 Rxe4 23. Kf2 Rc8 24. Rac1 1/2-1/2

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Karklins, Andrew"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2325"]
[BlackElo "2345"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nh5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Be3 Nf4 11. Rfd1 Nxe2+ 12. Nxe2 Re8 13. h3 f5 14. Nc3 Na6 15. b3 b6 16. Ne1 f4 17. Bc1 Nc5 18. Bb2 Bb7 19. f3 Rad8 20. Nd5 Ne6 21. Nc2 Kf7 22. Kf2 g5 23. Ke2 h5 24. a4 c6 25. Ndb4 Nc5 26. Rxd8 Rxd8 27. Ra3 a5 28. Ra2 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Kaushansky, Leonid"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2325"]
[BlackElo "2260"]
[PlyCount "26"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Nc3 Ne4 6. Qc2 Nxc3 7. Qxc3 a5 8. Bd2 Bb4 9. Qc2 Bxf3 10. exf3 Qf6 11. Qe4 Nc6 12. 0-0-0 Bxd2+ 13. Rxd2 0-0 1/2-1/2

[Event "Illinois op1"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Kaushansky, Leonid"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2325"]
[BlackElo "2260"]
[PlyCount "24"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Bb7 7. 0-0 0-0 8. Nc3 Ne4 9. Nxe4 Bxe4 10. Bg5 Be7 11. Bf4 d6 12. Rc1 Nd7 1/2-1/2

[Event "Master Challenge op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Levit, Roman Izrailevich"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2325"]
[BlackElo "2315"]
[PlyCount "122"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 Ne4 4. Bf4 c6 5. Nbd2 Qb6 6. Rb1 Bf5 7. e3 e6 8. Be2 Be7 9. 0-0 Nd7 10. Nxe4 Bxe4 11. Bd3 Bxd3 12. Qxd3 a5 13. c4 Qa6 14. b3 0-0 15. Rfd1 Rac8 16. e4 b5 17. exd5 exd5 18. c5 a4 19. Re1 Rce8 20. Qf5 Nf6 21. Ne5 axb3 22. axb3 Qb7 23. Ra1 Ra8 24. g4 Rxa1 25. Rxa1 g6 26. Qc2 Nd7 27. b4 Bf6 28. Bg3 Bxe5 29. dxe5 Re8 30. Qb2 Nf8 31. f4 Qd7 32. h3 h5 33. Qe2 f6 34. Rf1 hxg4 35. hxg4 f5 36. gxf5 Qxf5 37. Ra1 Ne6 38. Qe3 Rf8 39. Ra6 Qg4 40. Kh2 g5 41. f5 Rxf5 42. Rxc6 Qh5+ 43. Kg2 g4 44. Bh2 Rf3 45. Qe2 Qh3+ 46. Kg1 g3 47. Qg2 Qxh2+ 48. Qxh2 gxh2+ 49. Kxh2 Nf4 50. Rd6 Kf7 51. Rd7+ Kg6 52. Rb7 Kf5 53. Rxb5 Rc3 54. Rb6 Kxe5 55. Kg1 d4 56. Kf2 Nd5 57. Rb8 Rc2+ 58. Kf3 d3 59. Re8+ Kd4 60. Re4+ Kc3 61. Re5 Nxb4 0-1

[Event "Midwest Class M/X"]
[Site "USA"]
[Date "1993.??.??"]
[Round "5"]
[White "Umezinwa, George"]
[Black "Levit, Roman Izrailevich"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2325"]
[BlackElo "2315"]
[PlyCount "119"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4 6. Nxe4 Bxe4 7. e3 Be7 8. Bd3 Bxd3 9. Qxd3 d5 10. 0-0 0-0 11. e4 dxc4 12. Qxc4 c5 13. dxc5 Bxc5 14. b4 Be7 15. Bb2 Qc8 16. Qd4 Bf6 17. e5 Be7 18. Rac1 Qb7 19. Rfd1 Na6 20. Qd7 Rab8 21. Qxb7 Rxb7 22. h3 Rd8 23. Rxd8+ Bxd8 24. Rc8 Rb8 25. Rc2 Kf8 26. Nd4 b5 27. Kf1 Ke8 28. Ke2 Nc7 29. Nc6 Rb7 30. Bd4 a6 31. Na5 Rb8 32. Rc6 Ra8 33. Nb7 Nd5 34. g3 Be7 35. f4 Kd7 36. Na5 Nxb4 37. axb4 Bxb4 38. Bb6 Rc8 39. Rxc8 Kxc8 40. Kf3 h5 41. g4 hxg4+ 42. hxg4 g6 43. Ke4 Kd7 44. Kd3 Be1 45. Nb3 Kc6 46. Bd8 Kd5 47. Nd4 Bg3 48. Ne2 Be1 49. Nd4 Bg3 50. Bg5 Bf2 51. Nc2 Bc5 52. Bd8 Bf8 53. Ba5 Bc5 54. Nb4+ Bxb4 55. Bxb4 g5 56. fxg5 Kxe5 57. Ke3 Kd5 58. Kd3 Ke5 59. Ke3 Kd5 60. Kd3 1/2-1/2

[Event "Illinois op"]
[Site "Illinois"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Lonoff, Marc J"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2325"]
[BlackElo "2310"]
[PlyCount "65"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 c6 6. 0-0 0-0 7. Qb3 e6 8. Nc3 Qb6 9. c5 Qd8 10. Bf4 b6 11. Qa3 Bb7 12. Rac1 Nbd7 13. Bd6 Re8 14. Ne5 bxc5 15. dxc5 a5 16. Rfd1 Nxe5 17. Bxe5 Bh6 18. Rc2 Nd7 19. Bd6 f5 20. e3 Bf8 21. Bxf8 Rxf8 22. Na4 Qe7 23. Qc3 Qg7 24. Qd2 Nf6 25. Nb6 Ra7 26. Qd4 Ng4 27. h3 e5 28. Qa4 Nf6 29. b4 g5 30. b5 cxb5 31. Qxb5 e4 32. c6 Ba6 33. Qc5 1-0

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "6"]
[White "Umezinwa, George"]
[Black "Morgan, Matthew"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2325"]
[BlackElo "2245"]
[PlyCount "61"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Nc3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Nxd4 Ng4 12. Nce2 Nge5 13. b3 Nc5 14. Be3 a5 15. Qc2 a4 16. Rad1 Qa5 17. Nc3 Re8 18. Re2 axb3 19. axb3 Qb4 20. Na2 Qa3 21. Bc1 Qa7 22. Nc3 Qb6 23. Be3 Qb4 24. Red2 Ned7 25. Nce2 Ra3 26. Nc1 Bxd4 27. Rxd4 Nxb3 28. Rxd6 Nxc1 29. Bxc1 Rc3 30. Qd2 Ne5 31. Bb2 1-0

[Event "Chicago int op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Olesen, Martin"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2325"]
[BlackElo "2355"]
[PlyCount "25"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. c4 e5 5. d3 f5 6. Nc3 Nf6 7. Qb3 Nc6 8. Be3 0-0 9. 0-0 Kh8 10. Rad1 Rb8 11. c5 d5 12. d4 exd4 13. Nxd4 1/2-1/2

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "8"]
[White "Umezinwa, George"]
[Black "Oliveira, Paulo Sergio De Cas"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "2325"]
[BlackElo "2225"]
[PlyCount "68"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d6 5. 0-0 Be7 6. c4 0-0 7. b3 Qe8 8. Nbd2 Nc6 9. Bb2 Qh5 10. Ne1 e5 11. d5 Nd8 12. e3 Qh6 13. Nd3 Nf7 14. Rc1 g5 15. c5 e4 16. cxd6 cxd6 17. Nb4 g4 18. Rc7 Bd8 19. Rxf7 Rxf7 20. Nc4 Bc7 21. Nc2 b5 22. N4a3 a6 23. Nb4 Nd7 24. Qd4 Ne5 25. Rc1 Bd8 26. Nc6 Bf6 27. Qd2 Nf3+ 28. Bxf3 gxf3 29. h4 Bxh4 30. Qd1 f4 31. exf4 Bh3 32. Nc2 Bg2 33. Ne3 Bf6 34. Nxg2 Bxb2 0-1

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Rao, Vivek"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "2325"]
[BlackElo "2420"]
[PlyCount "66"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. f3 e6 13. Qd2 b6 14. Rfd1 Ne5 15. Bb3 Ba6 16. Nf4 Nc4 17. Bxc4 Bxc4 18. Qf2 Rac8 19. Nh3 Qc6 20. Qc2 cxd4 21. cxd4 b5 22. Rd2 Qb6 23. Re1 Bxd4 24. Rxd4 Rxd4 25. Nf2 e5 26. Ng4 Be6 27. Nh6+ Kg7 28. Qb2 b4 29. g4 Rc3 30. Qf2 Rxe3 31. Qxe3 Rd1 32. Qxb6 Rxe1+ 33. Kf2 axb6 0-1

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Schumann, Burkhard"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2325"]
[PlyCount "53"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 c5 5. cxd5 exd5 6. Bg5 cxd4 7. Nxd4 Nc6 8. e3 Be7 9. Be2 0-0 10. 0-0 h6 11. Bf4 a6 12. Rc1 Re8 13. Bf3 Bd6 14. Nxc6 bxc6 15. Qa4 Rb8 16. Bxd6 Qxd6 17. Rc2 Rb4 18. Qa3 Bg4 19. Be2 Bxe2 20. Nxe2 c5 21. h3 Ne4 22. Rfc1 Reb8 23. f3 Ng3 24. Nxg3 Qxg3 25. b3 Qe5 26. Rxc5 Qxe3+ 27. Kh1 1/2-1/2

[Event "Master Challenge op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Stern, Howard"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2325"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 cxd4 8. exd4 Nxc3 9. bxc3 Bd6 10. 0-0 h6 11. Qe2 0-0 12. Bb2 Qe7 13. Rfe1 Ba3 14. c4 Bxb2 15. Qxb2 Qd6 16. Rad1 b6 17. Bb1 g6 18. d5 exd5 19. Rxd5 Qf4 20. Re4 Qc7 21. Rh4 h5 22. Rhxh5 gxh5 23. Rg5# 1-0

[Event "New York op"]
[Site "New York"]
[Date "1993.??.??"]
[Round "4"]
[White "Umezinwa, George"]
[Black "Strenzwilk, Denis"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2325"]
[BlackElo "2240"]
[PlyCount "51"]
[EventDate "1993.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 g6 3. g3 Bg7 4. Nc3 Nc6 5. Bg2 e5 6. d3 Nf6 7. Bd2 0-0 8. Rb1 a5 9. 0-0 Bd7 10. a3 Nh5 11. b4 axb4 12. axb4 f5 13. Ng5 e4 14. dxe4 Bxc3 15. Bxc3 Qxg5 16. Qd5+ Rf7 17. exf5 Qxf5 18. b5 Nd8 19. Qd4 Qf6 20. Qd2 Qe7 21. Ra1 Rxa1 22. Rxa1 Nf6 23. Ra8 Rf8 24. h3 c6 25. Bb4 Nf7 26. b6 0-1

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Strenzwilk, Denis"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2325"]
[BlackElo "2240"]
[PlyCount "115"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 Nc6 4. Nc3 g6 5. d5 Nce7 6. e4 Bg7 7. Be2 Nf6 8. h3 0-0 9. Be3 Ne8 10. Nd2 f5 11. f3 c6 12. Nb3 fxe4 13. fxe4 cxd5 14. cxd5 Bd7 15. Qd2 a6 16. a4 Nc8 17. a5 Qh4+ 18. Kd1 Nc7 19. Bf3 Qe7 20. h4 h5 21. Qe2 Na7 22. Na4 Qe8 23. Nb6 Bb5 24. Qc2 Rf7 25. Nxa8 Qxa8 26. Qf2 Nc8 27. Qg3 Ne7 28. Bb6 Ne8 29. Nd2 Nf6 30. Rc1 Bh6 31. Rc3 Kh7 32. Qe1 Qf8 33. Be3 Bf4 34. g3 Bxe3 35. Qxe3 Neg8 36. Qb6 Nd7 37. Qe3 Nh6 38. b4 Nf6 39. Kc1 Nhg4 40. Qa7 Kh6 41. Kb2 Nd7 42. Bxg4 hxg4 43. Qe3+ Kh7 44. h5 g5 45. Qxg5 Qh6 46. Qxh6+ Kxh6 47. Rh2 Nf6 48. Rc8 Bd3 49. Rf2 Kxh5 50. Rd8 Kg6 51. Rxd6 Kg7 52. Re6 Rf8 53. Rxe5 Rc8 54. Re7+ Kg6 55. Re6 Rc2+ 56. Kb3 Rxd2 57. Rexf6+ Kg7 58. Rxd2 1-0

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Styler, Michael"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2325"]
[PlyCount "59"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Bxf6 Bxf6 10. 0-0 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. h3 Re8 14. Nf3 Bc7 15. Bc2 Qd6 16. Qd3 g6 17. Qd2 Be6 18. Rad1 Rad8 19. Rfe1 f5 20. g3 b6 21. Nh4 Bc8 22. c4 Bb7 23. cxd5 Qf6 24. Qe2 Kg7 25. Qb5 a6 26. Qc4 Qxb2 27. d6 Bxd6 28. Bxf5 Rf8 29. Re2 Qf6 30. Qg4 1-0

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Truong, Paul"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2325"]
[PlyCount "104"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Be7 4. Nc3 d5 5. Bg5 0-0 6. e3 c6 7. Bd3 Nbd7 8. cxd5 exd5 9. 0-0 Re8 10. Qc2 h6 11. Bxf6 Bxf6 12. Rfe1 Nf8 13. h3 Ne6 14. Rad1 g6 15. a3 Ng7 16. Na4 Bf5 17. Nc5 b6 18. Na4 Qd7 19. Bxf5 Nxf5 20. Nc3 Nd6 21. Ne2 Rac8 22. Nf4 Ne4 23. Nd3 Kg7 24. Nde5 Bxe5 25. Nxe5 Qd6 26. Qa4 f6 27. Nf3 Re7 28. Qa6 Rec7 29. Qd3 Qe6 30. Re2 h5 31. Rc2 Qf5 32. Rdc1 Kh6 33. Nh2 c5 34. g4 Qe6 35. f3 c4 36. Qe2 Ng5 37. h4 Nf7 38. e4 Re7 39. Re1 Rce8 40. Qe3+ Kh7 41. Rce2 Qd6 42. Qf2 Qf4 43. Kg2 Kg7 44. exd5 Rxe2 45. Rxe2 Rxe2 46. Qxe2 Qxd4 47. gxh5 gxh5 48. f4 Qxd5+ 49. Nf3 b5 50. Qe3 Qf5 51. Qxa7 Qg4+ 52. Kf2 Qxf4 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1993.??.??"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Wright, William"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2325"]
[PlyCount "103"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Be7 9. Qe2 0-0 10. e4 Bg6 11. Rd1 Qa5 12. Bg5 e5 13. d5 Rfd8 14. d6 Bf8 15. Rab1 Qb4 16. Na2 Qxa4 17. b3 Qa5 18. b4 Qb6 19. Be3 c5 20. bxc5 Qc6 21. Bd5 Nxd5 22. exd5 Qc8 23. Rbc1 e4 24. Nh4 Nf6 25. Nxg6 hxg6 26. Bg5 Qf5 27. Bxf6 gxf6 28. Rc4 b6 29. c6 Bxd6 30. Nc3 Qe5 31. g3 f5 32. Kg2 a6 33. f4 Qe7 34. h4 b5 35. Rcd4 Kg7 36. Rh1 Qa7 37. Rdd1 Rh8 38. Qc2 f6 39. Ne2 Qc5 40. Qb3 Rh5 41. Nd4 Kf7 42. Ne6 Qb6 43. Rc1 Rc8 44. c7 Ke7 45. Rc6 Qa7 46. Ra1 a5 47. Qxb5 Qe3 48. Rf1 Qa3 49. Rf2 Rhh8 50. Nc5 Rxc7 51. Rxc7+ Bxc7 52. Qd7+ 1-0

[Event "Master Challenge op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Wulatin, David"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2325"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Bd3 c6 9. Nge2 f5 10. exf5 gxf5 11. Qd2 Nf6 12. 0-0 Na6 13. Kh1 Qa5 14. Bh6 Bxh6 15. Qxh6 cxd5 16. cxd5 Nxd5 17. Bc4 Nac7 18. Nxd5 Nxd5 19. Rad1 Qd8 20. Rxd5 Kh8 21. Rxd6 Qe7 22. Rfd1 a6 23. Qxf8+ Qxf8 24. Rd8 1-0

[Event "Mid America Class ch"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "White, Mitchell R"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B89"]
[BlackElo "2325"]
[PlyCount "57"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 0-0 11. g4 Nxd4 12. Bxd4 b5 13. g5 Nd7 14. Qh5 Nc5 15. Rhg1 Nxb3+ 16. axb3 f5 17. Bxg7 Kxg7 18. Qh6+ Kf7 19. g6+ Ke8 20. g7 Rg8 21. Qxh7 Bg5+ 22. Rxg5 Qf7 23. exf5 exf5 24. Nd5 Be6 25. Qxg8+ Qxg8 26. Nf6+ Ke7 27. Nxg8+ Rxg8 28. h4 Rc8 29. Re1 1-0

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Reynolds, Robert I"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "2330"]
[BlackElo "2310"]
[PlyCount "79"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 b6 7. e4 d6 8. Bd3 e5 9. Ne2 Nc6 10. 0-0 Bd7 11. f4 exf4 12. Bxf4 Qe7 13. Ng3 0-0-0 14. a4 Na5 15. e5 dxe5 16. dxe5 Ne8 17. Nf5 Bxf5 18. Bxf5+ Kb8 19. Qf3 Nc7 20. Be4 Qe6 21. Qg3 g6 22. Rf2 Rd7 23. Rff1 Qxc4 24. e6 Qxe6 25. Rad1 Rc8 26. Rde1 Qc4 27. Bf3 a6 28. Rb1 Ka7 29. Rfc1 Ne6 30. Be5 h5 31. Rb2 h4 32. Qf2 h3 33. Rcb1 Nc6 34. Be2 Qxa4 35. Bxa6 Qxa6 36. Ra2 Na5 37. c4 Rcd8 38. Bc3 Rd1+ 39. Rxd1 Rxd1+ 40. Be1 0-1

[Event "Illinois op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Brodie, Mark"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2310"]
[PlyCount "63"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 0-0 7. 0-0 c6 8. Nc3 d5 9. cxd5 b5 10. Qc2 cxd5 11. Ne5 Qb6 12. Rd1 Nbd7 13. Bg5 Rae8 14. e4 Nxe5 15. dxe5 Nxe4 16. Nxe4 dxe4 17. Bxe7 Rxe7 18. Bxe4 Rc7 19. Bxh7+ Kh8 20. Qe4 Rc4 21. Rd6 Qc5 22. Qe2 Kxh7 23. Rxa6 Rc2 24. Qe1 Rxb2 25. Rc1 Qd4 26. Rd1 Qc5 27. Rb1 Rxb1 28. Qxb1+ Kg8 29. Ra5 Qxe5 30. Rxb5 Qd4 31. Rh5 Rd8 32. Rb5 1/2-1/2

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "De Fotis, Gary"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2310"]
[PlyCount "110"]
[EventDate "1992.??.??"]
[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. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. b3 c6 8. Bb2 Na6 9. Nbd2 Rb8 10. Ne1 Qe8 11. Nd3 b5 12. Rc1 Bd7 13. Qc2 Qf7 14. c5 Nd5 15. a3 Nac7 16. e3 a5 17. Rce1 Ne6 18. Re2 Rfc8 19. Rfe1 Qf8 20. e4 fxe4 21. Rxe4 Ng5 22. R4e2 Bg4 23. f3 Bf5 24. h4 Nf7 25. Ne4 Nd8 26. Nxd6 exd6 27. Re8 Ne6 28. Rxf8+ Rxf8 29. cxd6 Nxd4 30. Bxd4 Bxd4+ 31. Kh2 Bc3 32. Re2 b4 33. axb4 axb4 34. g4 Bxd3 35. Qxd3 Rbd8 36. Re6 Rxd6 37. Rxd6 Be5+ 38. Kh1 Bxd6 39. f4 Bxf4 40. Bxd5+ cxd5 41. Qxd5+ Rf7 42. Qd8+ Rf8 43. Qd4 Bg3 44. Qxb4 Bxh4 45. Qc4+ Kg7 46. b4 Bf2 47. Qc7+ Rf7 48. Qe5+ Kg8 49. b5 Ba7 50. b6 Bxb6 51. Qb8+ Kg7 52. Qxb6 h6 53. Kg2 g5 54. Qc6 Rf4 55. Kg3 Rf7 1/2-1/2

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Fishbein, Alexander"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2310"]
[BlackElo "2495"]
[PlyCount "114"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. e4 Bg7 9. Nf3 0-0 10. Bxa6 Rxa6 11. 0-0 Nbd7 12. Qe2 Qa8 13. Bg5 Nb6 14. Rad1 Na4 15. Nxa4 Rxa4 16. Bxf6 Bxf6 17. a3 Qa6 18. Rfe1 Rb8 19. Rd2 Qxe2 20. Rexe2 Bg7 21. e5 Kf8 22. Rc2 Rb3 23. Kg2 Rd3 24. exd6 exd6 25. Rcd2 Rxd2 26. Rxd2 Bf6 27. Rc2 Ke8 28. Kf1 Kd7 29. Ke2 Kc7 30. Kd3 Kb6 31. Rc4 Ra7 32. Kc2 Re7 33. Kb1 g5 34. Rc2 Kb5 35. h3 h5 36. Ka2 Re4 37. Rd2 c4 38. Kb1 g4 39. hxg4 hxg4 40. Nh2 Re1+ 41. Kc2 Bg5 42. Nxg4 Bxd2 43. Kxd2 Rf1 44. Ke3 Rb1 45. Nh6 Kc5 46. Nxf7 Rxb2 47. g4 Rb7 48. Nh6 Kxd5 49. f4 Rc7 50. Kd2 Ke4 51. f5 d5 52. f6 c3+ 53. Kc1 d4 54. f7 Rc8 55. g5 d3 56. Ng8 c2 57. Nf6+ Kd4 0-1

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Umezinwa, George"]
[Black "Kaidanov, Gregory S"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2310"]
[BlackElo "2550"]
[PlyCount "98"]
[EventDate "1992.??.??"]
[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 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. Qe2 c5 11. b3 Bd6 12. Bb2 0-0 13. Rad1 Qb8 14. h3 cxd4 15. exd4 Rc8 16. Ne4 Nxe4 17. Bxe4 Bxe4 18. Qxe4 Nf6 19. Qe2 Qb7 20. Rc1 h6 21. Ne5 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Qxc8 24. Nd3 Qc7 25. a3 Nd5 26. Qd2 a5 27. Qc1 Qxc1+ 28. Bxc1 Kf8 29. Kf1 Ke7 30. Bb2 Kd7 31. Ke2 Kc6 32. g3 Ne7 33. Ne1 h5 34. Nc2 f5 35. h4 Nd5 36. Bc1 Nc3+ 37. Kf3 a4 38. bxa4 bxa4 39. Bb2 Nd5 40. Ke2 Kb5 41. Kd3 f4 42. gxf4 Nxf4+ 43. Ke4 Kc4 44. Bc1 Ne2 45. Bd2 Nc3+ 46. Bxc3 Kxc3 47. Ne3 Bxa3 48. d5 exd5+ 49. Nxd5+ Kb3 0-1

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "3"]
[White "Browne, Walter Shawn"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2520"]
[BlackElo "2315"]
[PlyCount "47"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 c6 6. e3 Nbd7 7. Qc2 h6 8. Bf4 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. 0-0 0-0 12. a3 a5 13. Rad1 Qb6 14. Ne5 Rfd8 15. Qe2 Rac8 16. h3 Nxe5 17. dxe5 Nd5 18. Nxd5 exd5 19. Bf5 Ra8 20. Qg4 c5 21. e6 fxe6 22. Bxh6 Bf6 23. Bxe6+ Kf8 24. Bxg7+ 1-0

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "6"]
[White "Sherzer, Alex"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2435"]
[BlackElo "2315"]
[PlyCount "67"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Qc7 7. Be2 e6 8. 0-0 Be7 9. f4 Nc6 10. a4 Bd7 11. Nb3 Na5 12. e5 dxe5 13. fxe5 Nxb3 14. exf6 Bc5 15. Bxc5 Nxc5 16. fxg7 Rg8 17. Qd4 e5 18. Nd5 Qd6 19. Qc4 Rxg7 20. Nf6+ Kf8 21. Rad1 Qb6 22. a5 Qa7 23. Kh1 Bc6 24. Bf3 e4 25. Bh5 Ne6 26. Nxh7+ Ke7 27. Bxf7 Rxf7 28. Rxf7+ Kxf7 29. Ng5+ Kf6 30. Qxe6+ Kxg5 31. Qe5+ Kg4 32. h3+ Kh4 33. Qf4+ Kh5 34. Qf5+ 1-0

[Event "World op 19th"]
[Site "Philadelphia"]
[Date "1991.??.??"]
[Round "7"]
[White "Umezinwa, George"]
[Black "Battes, Lee T"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2315"]
[PlyCount "73"]
[EventDate "1991.07.??"]
[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 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 c5 5. e4 cxd4 6. Qxd4 Qxd4 7. Nxd4 a6 8. Bxc4 b5 9. Nd5 bxc4 10. Nc7+ Kd8 11. Nxa8 Nfd7 12. Bd2 Bb7 13. Ba5+ Kc8 14. Nb6+ Nxb6 15. Bxb6 e5 16. Ne2 Bxe4 17. f3 Bb4+ 18. Kf2 Bd3 19. a3 Kb7 20. Be3 Ba5 21. Rhd1 f5 22. g3 Re8 23. Nc1 Bc2 24. Rd5 Bb6 25. Bxb6 Kxb6 26. Rd2 Ba4 27. b3 cxb3 28. Rb1 Nc6 29. Nxb3 Bxb3 30. Rxb3+ Kc7 31. Rc2 Rc8 32. a4 h6 33. a5 Kd7 34. Rb6 Nxa5 35. Rxc8 Kxc8 36. Rxa6 Nb7 37. Rg6 1-0

[Event "National op"]
[Site "Chicago"]
[Date "1991.??.??"]
[Round "2"]
[White "Umezinwa, George"]
[Black "Belanger, Jacques"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2315"]
[PlyCount "61"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 Nf6 13. b4 g5 14. Nd3 h5 15. c5 Ng6 16. a4 g4 17. Rc1 g3 18. hxg3 fxg3 19. Bxg3 h4 20. Bf2 Nh5 21. Be3 Ngf4 22. Nxf4 Rxf4 23. Kf2 Qg5 24. Ke1 Qxg2 25. Kd2 h3 26. Rg1 Qh2 27. Rg5 Rxf3 28. Qg1 Qxg1 29. Rcxg1 Bg4 30. R1xg4 Kf7 31. Bxf3 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "4"]
[White "Assem, Magdy"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2295"]
[PlyCount "54"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. 0-0 Ne4 9. d5 Nxc3 10. Bxc3 exd5 11. cxd5 d6 12. Nd4 Bf6 13. Rc1 a6 14. e3 Nd7 15. Re1 Re8 16. b4 Ne5 17. f4 Nc4 18. Nc6 Bxc6 19. Bxf6 gxf6 20. Rxc4 Bb5 21. Rd4 f5 22. g4 fxg4 23. Qxg4+ Kh8 24. Qg5 Qxg5 25. fxg5 a5 26. a3 axb4 27. axb4 Kg7 1/2-1/2

[Event "Master Challenge 12th"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Gurevich, Dmitry"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2470"]
[PlyCount "67"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 b6 7. cxd5 exd5 8. Nc3 Bb7 9. Bf4 a6 10. Rc1 Nbd7 11. Ne5 c5 12. Nxd7 Qxd7 13. Na4 Qc6 14. dxc5 bxc5 15. Nxc5 Bxc5 16. Be3 Rfe8 17. Rxc5 Qe6 18. Qd4 Ne4 19. Rc7 Bc6 20. Rc1 Bb5 21. R1c2 Red8 22. b3 Rab8 23. Bc1 h6 24. Bb2 Nf6 25. Qe5 Qxe5 26. Bxe5 Rb6 27. a4 Be8 28. Rc8 Rxc8 29. Rxc8 Kf8 30. Bxf6 Rxf6 31. Bxd5 Rd6 32. Bc4 Ke7 33. f3 f5 34. Ra8 1-0

[Event "Master Challenge 12th"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Ingram, Alex"]
[Black "Umezinwa, George"]
[Result "0-1"]
[ECO "B93"]
[PlyCount "60"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. a4 e6 8. Be3 Nbd7 9. Bd3 b6 10. 0-0 Bb7 11. Nb3 Be7 12. Qe1 Nc5 13. Nxc5 bxc5 14. Qe2 d5 15. exd5 exd5 16. Bd2 0-0 17. Rae1 Rfe8 18. Qf2 c4 19. Bf5 Bc5 20. Be3 Rxe3 21. Rxe3 Qb6 22. Nd1 Bxe3 23. Qxe3 d4 24. Qf2 g6 25. Bh3 Ne4 26. Qe2 Re8 27. Qxc4 d3+ 28. Kh1 Nf2+ 29. Nxf2 Qxf2 30. Qxd3 Re1 0-1

[Event "Lincolnwood TOC"]
[Site "Lincolnwood"]
[Date "1990.??.??"]
[Round "3"]
[White "Kornfeld, Andreas"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "108"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Be7 7. Bg2 0-0 8. 0-0 a6 9. Re1 Nbd7 10. a4 Qc7 11. h3 Rd8 12. Qe2 Ne5 13. Nb3 b6 14. f4 Nc6 15. g4 Bb7 16. g5 Nd7 17. Be3 Rac8 18. h4 Nb4 19. Nd4 Bf8 20. f5 exf5 21. exf5 Re8 22. Bxb7 Qxb7 23. Qg2 Qxg2+ 24. Kxg2 Rc4 25. Bf2 Ne5 26. Re2 Rec8 27. Rae1 h5 28. Re4 Ng4 29. Bg1 Kh7 30. Re8 d5 31. R1e2 Rxe8 32. Rxe8 Bc5 33. Nf3 g6 34. f6 Bxg1 35. Kxg1 Rf4 36. Kg2 d4 37. Ne2 Ne3+ 38. Kf2 Nd1+ 39. Ke1 Rxf3 40. Kxd1 d3 41. cxd3 Rxd3+ 42. Ke1 Nc6 43. Nf4 Rd4 44. Ng2 Rxa4 45. Kd2 Rb4 46. Ke3 Rxb2 47. Nf4 Rb5 48. Ke4 Rb4+ 49. Kd5 Rxf4 50. Kxc6 b5 51. Rf8 Rxh4 52. Rxf7+ Kg8 53. Rg7+ Kf8 54. Rxg6 Rf4 1/2-1/2

[Event "Lincolnwood TOC"]
[Site "Lincolnwood"]
[Date "1990.??.??"]
[Round "8"]
[White "Kraai, Jesse"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "53"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 Be7 7. 0-0 0-0 8. Nc3 d6 9. Qc2 c5 10. d5 exd5 11. Nh4 Re8 12. Nf5 Bf8 13. Bg5 Na6 14. cxd5 h6 15. Bf4 Nc7 16. e4 b5 17. Rfe1 b4 18. Na4 Ng4 19. b3 g6 20. Ne3 Nxe3 21. Bxe3 Bg7 22. Rac1 Nb5 23. Nb2 Nc3 24. Nc4 Ba6 25. Bf4 Bxc4 26. bxc4 a5 27. Bd2 1/2-1/2

[Event "Lincolnwood TOC"]
[Site "Lincolnwood"]
[Date "1990.??.??"]
[Round "1"]
[White "Lonoff, Marc J"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2340"]
[PlyCount "82"]
[EventDate "1990.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Be7 4. Nc3 Nc6 5. e3 0-0 6. Nge2 d6 7. d4 Bg4 8. d5 Nb8 9. f3 Bd7 10. e4 a5 11. Be3 Na6 12. Qd2 Ne8 13. g4 c6 14. Ng3 cxd5 15. Nxd5 Nc5 16. Rd1 Bh4 17. 0-0 h6 18. Nf5 Bxf5 19. exf5 Bg5 20. f4 exf4 21. Bxf4 Nd7 22. Bxg5 hxg5 23. Qd4 Ne5 24. b3 Rb8 25. Rfe1 b6 26. Qe3 Nf6 27. h3 Nxd5 28. Rxd5 Re8 29. Qd2 Qc7 30. Rd1 a4 31. Qxg5 f6 32. Qd2 axb3 33. axb3 Nf7 34. Qf2 Re7 35. R5d2 b5 36. Bd5 bxc4 37. bxc4 Kf8 38. Bxf7 Kxf7 39. Qd4 Qc5 40. Qxc5 dxc5 41. Rd5 Rb3 1/2-1/2

