[Event "Chicago op"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "?"]
[White "Waynath, T."]
[Black "Koger, M."]
[Result "1-0"]
[ECO "B06"]
[PlyCount "41"]
[EventDate "1996.??.??"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 exf4 8. Bxf4 c6 9. 0-0-0+ Ke8 10. Bc7 Nd7 11. e5 Bf8 12. Bc4 Be7 13. Ne4 Kf8 14. Rhf1 Nh6 15. Bxf7 Kg7 16. e6 Nf6 17. Be5 Nxf7 18. exf7 Rf8 19. Nfg5 Bf5 20. Nxf6 Bxf6 21. Bxf6+ 1-0

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1992.??.??"]
[Round "?"]
[White "Fiedler, R."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "C02"]
[PlyCount "106"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Qb6 5. d4 Nc6 6. b3 cxd4 7. cxd4 Bb4+ 8. Bd2 Nxd4 9. Bxb4 Qxb4+ 10. Nbd2 Nxf3+ 11. Qxf3 Qd4 12. Bb5+ Bd7 13. Bxd7+ Kxd7 14. Qxf7+ Ne7 15. 0-0 Qxd2 16. Rac1 Rac8 17. Rcd1 Qg5 18. g3 Qxe5 19. Rfe1 Qf6 20. Qh5 Rc2 21. Re2 Rxe2 22. Qxe2 a6 23. b4 Nc6 24. Qg4 Ke7 25. Qe2 Rd8 26. b5 axb5 27. Qxb5 Rd7 28. Kg2 Qe5 29. Kf1 Qc3 30. Qb1 Qf3 31. Kg1 Ne5 32. Qc2 Qg4 33. Qc5+ Kf7 34. Rc1 Nd3 35. Qe3 Nxc1 36. Qxc1 Qc4 37. Qb1 h6 38. Qd1 d4 39. Qh5+ Ke7 40. Qh4+ Kd6 41. Qf4+ e5 42. Qf8+ Kc6 43. Qc8+ Rc7 44. Qe8+ Kb6 45. Qxe5 d3 46. Qd6+ Rc6 47. Qd8+ Kb5 48. a4+ Kxa4 49. Qa8+ Qa6 50. Qd8 Rc1+ 51. Kg2 Qc6+ 52. f3 Qc2+ 53. Kh3 Qc8+ 0-1

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Grams, Paul"]
[Black "Koger, M."]
[Result "1-0"]
[ECO "C02"]
[PlyCount "65"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a4 cxd4 7. Bb5 dxc3 8. Nxc3 Bc5 9. 0-0 Bd7 10. a5 Nxa5 11. Bxd7+ Kxd7 12. Nxd5 exd5 13. Qxd5+ Ke7 14. Ng5 Nh6 15. Rxa5 Rac8 16. Ra1 Rcd8 17. Qf3 Rd7 18. Ne4 Rc8 19. Nxc5 Qxc5 20. Bg5+ Ke8 21. Rac1 Rdc7 22. Rxc5 Rxc5 23. Qxb7 R5c7 24. Qb5+ Kf8 25. h3 Nf5 26. Rd1 Ne7 27. Rd7 Rxd7 28. Qxd7 Re8 29. Qxa7 Ng6 30. Qc5+ Kg8 31. b4 Rxe5 32. Qc8+ Nf8 33. Be3 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Jensen, D."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "D40"]
[PlyCount "106"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. a3 cxd4 9. exd4 dxc4 10. Bxc4 a6 11. Be3 Qc7 12. Qc2 Nxd4 13. Bxd4 Qxc4 14. Rfe1 Rd8 15. Rad1 h6 16. Qe2 Qxe2 17. Rxe2 Bd7 18. Bb6 Rdc8 19. Red2 Bc6 20. Ne5 Be8 21. h3 Bc5 22. Bxc5 Rxc5 23. Ng4 Nxg4 24. hxg4 Bc6 25. f3 Re8 26. Kf2 Rg5 27. Ke3 f5 28. gxf5 exf5+ 29. Kf2 Kf7 30. Re2 Rxe2+ 31. Nxe2 Rg6 32. Nf4 Rf6 33. Rd2 g5 34. Ne2 g4 35. f4 h5 36. Rd8 Kg7 37. Nd4 Be4 38. Ne2 h4 39. Rd7+ Rf7 40. Rd6 g3+ 41. Nxg3 hxg3+ 42. Kxg3 Rf6 43. Rxf6 Kxf6 44. Kh3 Ke6 45. g4 fxg4+ 46. Kxg4 b5 47. Kg5 a5 48. b4 axb4 49. axb4 Kd5 50. f5 Kc4 51. f6 Bd5 52. Kf5 Kxb4 53. Ke5 Kc4 0-1

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1992.??.??"]
[Round "?"]
[White "Jointer, William"]
[Black "Koger, M."]
[Result "0-1"]
[ECO "C02"]
[PlyCount "106"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Be2 f6 8. exf6 Nxf6 9. 0-0 Bd6 10. Nbd2 Na5 11. b4 cxb3 12. Rb1 Bd7 13. Nxb3 Ba4 14. Nxa5 Bxd1 15. Rxb6 axb6 16. Bb5+ Ke7 17. Nxb7 Bxf3 18. gxf3 Bxa3 19. Bd2 Rhb8 20. Bc6 Rc8 21. Bb5 Bb2 22. Bf4 Bxc3 23. Bd6+ Kf7 24. Be5 Bb4 25. Rb1 Be7 26. Bf1 Nd7 27. Bd6 Ra7 28. Bf4 Rxb7 29. Ba6 Rbc7 30. Bxc7 Rxc7 31. Bb5 Bf6 32. Rb4 Ke7 33. Kf1 Rc2 34. Ke1 Bh4 35. Be2 Bg5 36. Bd3 Bd2+ 37. Kd1 Bxb4 38. Kxc2 Nf6 39. Kd1 Bc3 40. Ke2 Bxd4 41. f4 g6 42. Kf3 Kd6 43. Kg3 Ne4+ 44. Kf3 Nxf2 45. Bb1 b5 46. h4 Ne4 47. Bc2 b4 48. Ke2 Bf6 49. h5 gxh5 50. Kf3 Kc5 51. Ke3 h4 52. Bb3 Bd4+ 53. Kf3 Nd2+ 0-1

[Event "US Open-93"]
[Site "Dearborn"]
[Date "1992.??.??"]
[Round "1"]
[White "Koger, M."]
[Black "Comp Buster"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "38"]
[EventDate "1992.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. e3 Nc6 5. Be2 a6 6. 0-0 b5 7. d3 Bb4 8. Nbd2 Qd6 9. c4 e5 10. cxd5 Qxd5 11. Qc2 Kd7 12. Rac1 a5 13. Nxe5+ Nxe5 14. Qxc7+ Ke6 15. f4 Neg4 16. f5+ Qxf5 17. Rc6+ Kd5 18. Rxf5+ Bxf5 19. Bf3+ Ne4 1-0

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Conlon, R."]
[Result "0-1"]
[ECO "A55"]
[PlyCount "134"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 c6 6. Be2 Be7 7. 0-0 0-0 8. h3 Re8 9. Be3 Qc7 10. Rc1 Bf8 11. d5 Nc5 12. Bxc5 dxc5 13. Qc2 a6 14. Rfd1 Kh8 15. Ng5 h6 16. d6 Qd7 17. Nf3 Rb8 18. Qd3 Qe6 19. Na4 b6 20. Rc2 Rd8 21. Qc3 Bxd6 22. Qe3 Qe7 23. Rcd2 Be6 24. b3 Kh7 25. Bd3 g6 26. Bb1 Bc7 27. Qc3 Rxd2 28. Rxd2 Nd7 29. Nb2 f6 30. Nd1 Rd8 31. Ne3 Nf8 32. Nf1 Rxd2 33. Qxd2 Qd7 34. Ne3 Qxd2 35. Nxd2 Kg7 36. Nf3 Bd7 37. Kf1 Ne6 38. Ng1 Nd4 39. f3 b5 40. Kf2 Ba5 41. Ne2 Bd2 42. Nf1 Bb4 43. Ne3 Be6 44. Bd3 h5 45. Ng3 Kf7 46. Ngf1 Ke7 47. Ng3 Kd7 48. Ne2 Kc7 49. g4 Bd2 50. Ng3 Bxe3+ 51. Kxe3 h4 52. Ne2 g5 53. Nc3 Kb6 54. Ne2 Ka5 55. Nc1 Kb4 56. cxb5 axb5 57. Bb1 Ka3 58. Nd3 c4 59. bxc4 bxc4 60. Nc5 Kb2 61. a4 Kxb1 62. a5 Bc8 63. a6 Bxa6 64. Nxa6 c3 65. Nb4 c2 66. Nxc2 Kxc2 67. Kf2 Kd2 0-1

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Everett, Morgan"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "150"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 d5 4. e3 h6 5. Bh4 Be7 6. Nbd2 0-0 7. Bd3 Nbd7 8. 0-0 c5 9. c3 Nh5 10. Bxe7 Qxe7 11. Ne5 Nxe5 12. dxe5 g6 13. Nf3 Bd7 14. a4 Bc6 15. Bb5 Ng7 16. Qd2 Rfd8 17. Bxc6 bxc6 18. b4 Rab8 19. bxc5 Qxc5 20. Rfb1 Nf5 21. Nd4 Ne7 22. Qd3 Qa5 23. Nb3 Qc7 24. f4 c5 25. Nd2 c4 26. Qc2 Qc5 27. Nf1 Nc6 28. Kf2 Na5 29. Nd2 Qc6 30. Rb4 Rdc8 31. Rxb8 Rxb8 32. Rb1 Rxb1 33. Qxb1 Qb7 34. Qxb7 Nxb7 35. e4 Nc5 36. exd5 exd5 37. a5 Nb3 38. Ke3 Nxa5 39. Nf3 Nb3 40. Nd4 a5 41. Nc2 Kf8 42. g4 Ke7 43. f5 gxf5 44. gxf5 a4 45. Na3 f6 46. e6 h5 47. h4 Nc5 48. Nb5 Ne4 49. Kd4 Nd6 50. Na3 Nxf5+ 51. Kxd5 Nxh4 52. Nxc4 Ng6 53. Nd2 Nf4+ 54. Kc4 Kxe6 55. Kb4 Nd5+ 56. Kxa4 Nxc3+ 57. Kb3 Nd5 58. Kc4 h4 59. Kd4 h3 60. Nf1 f5 61. Nh2 Nf6 62. Nf3 Ne4 63. Ke3 Kf6 64. Kf4 Ng5 65. Nh2 Kg6 66. Nf1 Ne4 67. Nh2 Nf6 68. Kg3 Ng4 69. Nf3 h2 70. Kg2 Kh5 71. Nd4 f4 72. Nf3 Kg6 73. Nd4 Kg5 74. Nf3+ Kf5 75. Nd2 Ke5 1/2-1/2

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Jones, Malcolm"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "101"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. g3 Bg7 5. Nc3 Nbd7 6. Bg2 c5 7. 0-0 cxd4 8. Nxd4 Ne5 9. Bf4 0-0 10. Bxe5 dxe5 11. Nf3 Qc7 12. Qb3 Be6 13. Nd2 Rab8 14. Nd5 Bxd5 15. cxd5 Rfd8 16. Rac1 Qd7 17. e4 Bh6 18. Rfd1 Rdc8 19. Rc3 Rxc3 20. bxc3 Qc7 21. Qb4 a5 22. Qc4 Qb6 23. Rb1 Qa7 24. Nf3 Ng4 25. Rb2 b5 26. Qd3 b4 27. c4 Nxf2 28. Rxf2 Be3 29. Qc2 Bxf2+ 30. Qxf2 Qxf2+ 31. Kxf2 a4 32. Nd2 b3 33. a3 e6 34. d6 Kf8 35. Bf1 b2 36. Nb1 f5 37. Bd3 Rc8 38. Nd2 Ke8 39. Bc2 Kd7 40. Bxa4+ Kxd6 41. Bb5 f4 42. g4 Kc5 43. Nb3+ Kb6 44. Nd2 Rd8 45. Nb1 Rd1 46. Nc3 b1Q 47. Nxb1 Rxb1 48. a4 Rb2+ 49. Kg1 Rd2 50. h4 Rd4 51. h5 1/2-1/2

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Kane, Paul"]
[Result "0-1"]
[ECO "D16"]
[PlyCount "92"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. Nxc4 e6 8. Bg5 Na6 9. Qd2 Nb4 10. e4 Be7 11. e5 Nfd5 12. Nd6+ Kf8 13. Bxe7+ Qxe7 14. Nxd5 Nxd5 15. b4 Qh4 16. Nxb7 Qe4+ 17. Be2 Bxe2 18. Qxe2 Qxd4 19. 0-0 Qxb4 20. Nd6 g6 21. Qf3 Qf4 22. Qb3 Qxe5 23. Qb7 Kg7 24. Qxf7+ Kh6 25. Nc4 Qd4 26. Rac1 Rhf8 27. Qxe6 Nf4 28. Qe3 Qxe3 29. Nxe3 Ne2+ 30. Kh1 Nxc1 31. Rxc1 Rxf2 32. Ng4+ Kg5 33. Nxf2 Rd8 34. Rxc6 Rd4 35. a5 Ra4 36. Rc5+ Kf4 37. h3 Kg3 38. Nd1 Ra1 39. Rd5 h6 40. Kg1 g5 41. Rd3+ Kf4 42. Kf2 Ra2+ 43. Rd2 Rxd2+ 44. Ke1 Rxg2 45. Nc3 Rh2 46. Ne2+ Ke3 0-1

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Lang, B."]
[Result "0-1"]
[ECO "D97"]
[PlyCount "182"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Be2 Nbd7 9. 0-0 Nb6 10. Qd3 Be6 11. b3 Qc7 12. Bg5 Rad8 13. Rac1 Qb8 14. Rfd1 Rfe8 15. h3 Nh5 16. e5 Bh8 17. g4 Ng7 18. Ne4 Bd5 19. Nfd2 Ne6 20. Be3 Bxe4 21. Qxe4 Nd5 22. Nf3 Rd7 23. h4 Kg7 24. h5 Rg8 25. Bd3 Kf8 26. hxg6 hxg6 27. Nh4 Qd8 28. Qf3 Ke8 29. Ng2 Nxe3 30. fxe3 Bxe5 31. Bc4 Ng5 32. Qe2 Bf6 33. Nf4 Qb8 34. Qg2 Bxd4 35. exd4 Qxf4 36. Rc3 Qe4 37. Qxe4 Nxe4 38. Re3 Nd6 39. Bf1 Rh8 40. Bg2 Kf8 41. d5 cxd5 42. Rxd5 Kg7 43. Red3 Rc7 44. Rd2 Rc1+ 45. Kf2 Rhc8 46. Re5 R1c2 47. Ke2 Rxd2+ 48. Kxd2 Rc7 49. Kd3 Kf6 50. Kd4 Rd7 51. g5+ Kg7 52. Kc5 Rc7+ 53. Kd5 Kf8 54. Re2 Rc3 55. Bf1 Rf3 56. Re1 Rf5+ 57. Kd4 Rxg5 58. Bd3 Ra5 59. a4 Rh5 60. Rf1 Ke8 61. Rg1 Rh7 62. Kc5 Rh3 63. Kd4 Rh7 64. Kc5 Rg7 65. Rh1 Rg8 66. Kd5 g5 67. Ke5 g4 68. Kf4 g3 69. Rg1 f6 70. Be2 e5+ 71. Kf3 f5 72. Rxg3 Rxg3+ 73. Kxg3 Ke7 74. Kf3 Kf6 75. Kg3 Kg5 76. Kf3 e4+ 77. Kf2 f4 78. Bd1 Nf5 79. Bc2 Nd6 80. Bd1 Kf5 81. Bc2 Ke5 82. Ke2 Nf5 83. Kf2 Nd4 84. Bd1 e3+ 85. Kf1 f3 86. b4 e2+ 87. Bxe2 fxe2+ 88. Kf2 Kd5 89. b5 Kc4 90. Ke1 Kd3 91. b6 Ke3 0-1

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Letourneau, K."]
[Result "0-1"]
[ECO "A65"]
[PlyCount "108"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 Nf6 5. Nc3 d6 6. e4 Bg4 7. Bb5+ Nbd7 8. f3 Bh5 9. Nge2 Be7 10. Nf4 Bg6 11. Ne6 fxe6 12. dxe6 a6 13. exd7+ Kf8 14. Bc4 Qxd7 15. Qb3 b5 16. Be6 Qc7 17. Nd5 Nxd5 18. Bxd5 c4 19. Qe3 Ra7 20. Qf4+ Ke8 21. 0-0 Rf8 22. Qe3 Bf7 23. Bc6+ Kd8 24. e5 d5 25. Kh1 Qxc6 26. e6 Bc5 27. Qg5+ Kc8 28. exf7 Raxf7 29. Bd2 Qf6 30. Qxd5 Qd4 31. Qc6+ Kb8 32. Bc3 Qd6 33. Qe4 Qc7 34. a4 Rf4 35. Be5 Rxe4 36. Bxc7+ Kxc7 37. fxe4 Rxf1+ 38. Rxf1 Bd4 39. axb5 axb5 40. Rb1 Kd6 41. g3 Ke5 42. Kg2 Kxe4 43. Kf1 Kd3 44. Rd1+ Ke3 45. Rb1 Kd2 46. b4 c3 47. Kg2 c2 48. Rf1 c1Q 49. Rxc1 Kxc1 50. Kf3 Bc3 51. Ke4 Bxb4 52. Kd5 Bc3 53. Kc5 b4 54. Kc4 Kc2 0-1

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Noren, Kevin"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "71"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Nh5 10. Nge2 f5 11. 0-0 Nd7 12. Nb5 Nc5 13. Rc1 a6 14. Nbc3 b5 15. b4 Nxd3 16. Qxd3 Bd7 17. Nd1 fxe4 18. fxe4 Rxf1+ 19. Kxf1 Qh4 20. Bg1 Rf8+ 21. Nf2 Nf6 22. Qg3 Qh5 23. Ke1 Bh6 24. Rc7 Rc8 25. Qc3 Rxc7 26. Qxc7 Qg5 27. Nh1 Nxe4 28. Qc2 Qxg2 29. Nhg3 Nxg3 30. hxg3 Bg4 31. Bb6 Qxd5 32. a3 Qh1+ 33. Kf2 Qh2+ 34. Ke1 Qxe2+ 35. Qxe2 Bxe2 36. Kxe2 0-1

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Pope, Nick"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "75"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. e3 e6 5. Bxc4 Bb4 6. Nf3 Nf6 7. 0-0 0-0 8. Qc2 Re8 9. Rd1 Qe7 10. a3 Bxc3 11. bxc3 e5 12. Ng5 Nd8 13. a4 e4 14. Ba3 Qd7 15. Nh3 Qc6 16. Bb5 Qd5 17. Nf4 Qf5 18. Bxe8 Nxe8 19. c4 Nf6 20. d5 g5 21. Ne2 h5 22. Be7 Bd7 23. Bxf6 Qxf6 24. Qxe4 c6 25. Nd4 cxd5 26. cxd5 Rc8 27. Rac1 Rxc1 28. Rxc1 Bxa4 29. Ra1 b5 30. Qe8+ Kh7 31. Qd7 a5 32. Rc1 Kg6 33. Rc8 Kh7 34. Qxd8 Qxd8 35. Rxd8 b4 36. Rb8 Kg6 37. d6 Kf6 38. Rb7 1-0

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Raupp, KL."]
[Result "1/2-1/2"]
[ECO "A83"]
[PlyCount "134"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 d5 5. Bxf6 exf6 6. Qh5+ g6 7. Qxd5 Qxd5 8. Nxd5 Bd6 9. Nxf6+ Kf7 10. Nxe4 Re8 11. f3 Bf5 12. Bd3 Nc6 13. 0-0-0 Bf4+ 14. Kb1 Nxd4 15. Bc4+ Ne6 16. Ne2 Be5 17. Rd7+ Re7 18. Ng5+ Ke8 19. Rxe7+ Kxe7 20. Nxe6 Bxe6 21. Bd3 Rd8 22. Re1 Kf6 23. f4 Bd6 24. g3 Re8 25. Rc1 c5 26. Bb5 Re7 27. Nc3 a6 28. Ne4+ Kg7 29. Nxd6 axb5 30. Nxb5 Bd7 31. Nc3 Bc6 32. b3 Re3 33. Kb2 Rf3 34. Re1 Rf2 35. Re2 Rf1 36. a4 Bf3 37. Rd2 Re1 38. Nb5 Rd1 39. Rxd1 Bxd1 40. Nd6 Bf3 41. Kc3 Bd5 42. Nc4 Kf6 43. Ne3 Be6 44. Kb2 Ke7 45. c3 Kd6 46. b4 cxb4 47. cxb4 Bd7 48. a5 Kc6 49. Kc3 Kb5 50. Nc4 Bh3 51. Ne5 Bg2 52. Nd7 h5 53. Ne5 Be4 54. h3 Bf5 55. g4 hxg4 56. hxg4 Be4 57. Nc4 Bf3 58. Ne3 Be4 59. f5 gxf5 60. gxf5 b6 61. axb6 Kxb6 62. f6 Bg6 63. Kc4 Bf7+ 64. Nd5+ Kc6 65. b5+ Kd6 66. b6 Bxd5+ 67. Kb5 Ke6 1/2-1/2

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Lehotzky, Attila"]
[Black "Koger, M."]
[Result "1-0"]
[ECO "D13"]
[PlyCount "121"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Bg5 Ne4 6. Bf4 e6 7. a3 Qb6 8. Qc2 Nc6 9. e3 Be7 10. Bd3 Qa5+ 11. Nbd2 Nb4 12. Qb1 Nxd3+ 13. Qxd3 Bd7 14. Qb1 Nxd2 15. Nxd2 Bb5 16. b4 Qa6 17. Nb3 b6 18. Kd2 Rc8 19. Rc1 0-0 20. Qb2 Bd3 21. Rc3 Bg6 22. Rac1 Rc4 23. Ke1 Rfc8 24. Nd2 Rxc3 25. Rxc3 h6 26. Qc1 Rxc3 27. Qxc3 Bf6 28. f3 Qd3 29. Qxd3 Bxd3 30. Bb8 a5 31. bxa5 bxa5 32. Nb3 a4 33. Nc5 Bb5 34. Kd2 Kf8 35. Bd6+ Ke8 36. Kc3 Be7 37. Bxe7 Kxe7 38. Kb4 Bc6 39. Nxa4 Kd6 40. Nc5 Kc7 41. a4 Ba8 42. a5 Bc6 43. Nd3 g5 44. Ne5 Be8 45. Kc5 h5 46. a6 f6 47. Nd3 Bc6 48. a7 Ba8 49. Nb4 Bb7 50. Na6+ Kd7 51. Kb6 Ba8 52. Nc7 Bc6 53. Nxe6 Ba8 54. Nc7 Bc6 55. a8Q Bxa8 56. Nxa8 Kd6 57. Nc7 f5 58. Nb5+ Ke6 59. Kc6 f4 60. Nc7+ Kf5 61. Nxd5 1-0

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1992.??.??"]
[Round "?"]
[White "Sledge, E."]
[Black "Koger, M."]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "87"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Be2 Bd6 5. Nf3 Ne7 6. h3 Nbc6 7. Bd2 Bf5 8. a3 Be4 9. c3 Qd7 10. b4 a6 11. 0-0 Ng6 12. c4 0-0 13. cxd5 Bxd5 14. Nc3 Bxf3 15. Bxf3 Nf4 16. Bg4 f5 17. Bf3 Rae8 18. Be3 Kh8 19. Rc1 Rf6 20. d5 Ne7 21. Ne2 Nfxd5 22. Bd4 Rh6 23. Qd2 Qe6 24. Qb2 Qg6 25. Ng3 Bxg3 26. fxg3 Qxg3 27. Be5 Qg6 28. Qd4 c6 29. Rfe1 Rxh3 30. Bxg7+ Kg8 31. Bxd5+ cxd5 32. Rxe7 Rxe7 33. Rc8+ Re8 34. Rxe8+ Qxe8 35. gxh3 Qg6+ 36. Kh1 Qxg7 37. Qxd5+ Qf7 38. Qd8+ Kg7 39. Qg5+ Qg6 40. Qe7+ Qf7 41. Qg5+ Kf8 42. Qd8+ Qe8 43. Qf6+ Kg8 44. Qg5+ 1/2-1/2

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Vaughn, G."]
[Black "Koger, M."]
[Result "1-0"]
[ECO "C01"]
[PlyCount "90"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Ne7 6. 0-0 0-0 7. Be3 Bf5 8. c4 c6 9. Qc2 Bxd3 10. Qxd3 dxc4 11. Qxc4 Nd5 12. Nc3 Nxe3 13. fxe3 Qe7 14. e4 Bf4 15. e5 Be3+ 16. Kh1 Nd7 17. Qd3 Bh6 18. Ne4 c5 19. Nd6 cxd4 20. Qxd4 b6 21. Nf5 Qe6 22. Nxh6+ gxh6 23. b3 Rfe8 24. Rae1 Rad8 25. Nh4 Nxe5 26. Qa4 Qg4 27. Qxg4+ Nxg4 28. Rxe8+ Rxe8 29. h3 Ne5 30. Nf5 h5 31. Nd6 Re6 32. Rd1 Ng6 33. Nf5 Re8 34. Rd7 a6 35. Nh6+ Kg7 36. Nxf7 Re7 37. Ne5 Rxd7 38. Nxd7 b5 39. Kg1 Nf4 40. Nc5 a5 41. Kf2 Kf6 42. Kf3 Ke5 43. Nd7+ Kf5 44. g4+ hxg4+ 45. hxg4+ Kg5 1-0

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Woods, I."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "E06"]
[PlyCount "82"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 Be7 6. Nf3 c6 7. Bg2 0-0 8. 0-0 Bf5 9. Nd2 Re8 10. Re1 Bd6 11. e4 dxe4 12. Ndxe4 Nxe4 13. Bxe4 Bxe4 14. Rxe4 Na6 15. Qd2 Bb4 16. Rg4 Nc7 17. Qg5 Qxg5 18. Rxg5 Rad8 19. Be3 Ne6 20. Rg4 f5 21. Rh4 Be7 22. Rh5 g6 23. Rh6 Nxd4 24. Bxd4 Rxd4 25. Ne2 Rd2 26. Nf4 Bf8 27. Nd5 cxd5 28. Rh4 Rxb2 29. Rd4 Ree2 30. Rf1 Red2 31. Rxd2 Rxd2 32. Rb1 Bc5 33. Rxb7 Rxf2 34. Rb5 Rc2+ 35. Kf1 d4 36. Rb8+ Kg7 37. Rb7+ Kh6 38. Rb3 Rxh2 39. Kg1 Rxa2 40. g4 fxg4 41. Rg3 d3+ 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Burke, D."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "A01"]
[PlyCount "96"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. d4 exd4 5. exd4 d5 6. Nf3 Bd6 7. Bb5 0-0 8. 0-0 Bg4 9. Be2 Ne4 10. Nbd2 f5 11. c4 Ne7 12. Nxe4 fxe4 13. Ng5 Bd7 14. Bg4 Qc8 15. Bxd7 Qxd7 16. Qe2 h6 17. Nh3 c6 18. f3 exf3 19. Rxf3 Rxf3 20. Qxf3 Rf8 21. Qe2 Qf5 22. c5 Bxh2+ 23. Kxh2 Ng6 24. Re1 Kh7 25. Rd1 Rf7 26. Rd3 Re7 27. Re3 Nf4 28. Nxf4 Qxf4+ 29. Kg1 Qxe3+ 30. Qxe3 Rxe3 31. Kf2 Re4 32. a3 b6 33. b4 b5 34. g3 Kg6 35. Bc1 Rxd4 36. Ke3 Re4+ 37. Kf3 Kf5 38. Bb2 g5 39. Bg7 h5 40. Bc3 d4 41. Bd2 d3 42. Bc1 g4+ 43. Kf2 Re2+ 44. Kf1 Ke4 45. Bf4 Kf3 46. Kg1 d2 47. Bxd2 Rxd2 48. Kf1 Rd1# 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Fluellen, N."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "A40"]
[PlyCount "70"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e3 e5 2. d4 e4 3. Nc3 d5 4. a3 Nf6 5. h3 Bd6 6. Nge2 0-0 7. Nb5 Be7 8. Nf4 c6 9. Nc3 Bd6 10. Qe2 Nbd7 11. Bd2 Bxf4 12. exf4 Qb6 13. Na4 Qxd4 14. Nc3 Qb6 15. 0-0-0 Re8 16. Na4 Qc7 17. Be3 c5 18. Nc3 d4 19. Nb5 Qb6 20. Nxd4 cxd4 21. Bxd4 Qc7 22. Be3 Nc5 23. Kb1 Be6 24. Bxc5 Qxc5 25. Qe1 b5 26. Rc1 a5 27. c3 Qd5 28. c4 bxc4 29. Bxc4 Qb7 30. Qe3 Rab8 31. Qe2 Nd5 32. Rc2 Nxf4 33. Qe1 Bxc4 34. Qe3 Bd3 35. Rhc1 Qxb2# 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Imai, Toshio"]
[Black "Koger, M."]
[Result "0-1"]
[ECO "B09"]
[PlyCount "72"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 dxe5 7. fxe5 Nfd7 8. Bb5 cxd4 9. Qxd4 0-0 10. Bxd7 Nxd7 11. Bf4 e6 12. 0-0-0 Qa5 13. Kb1 b5 14. Ne4 Bb7 15. Nf6+ Nxf6 16. exf6 Rfd8 17. Qe5 Rd5 18. Rxd5 Bxd5 19. b3 Bf8 20. Bc1 Rc8 21. Bb2 Qc7 22. Qe2 a5 23. h4 a4 24. Rc1 Qb7 25. h5 axb3 26. cxb3 Be4+ 27. Ka1 Ra8 28. Be5 Qd5 29. hxg6 Bxg6 30. Nh4 Be4 31. Nf3 Qxb3 32. Nd4 Qd5 33. Nc6 Kh8 34. g3 b4 35. Qb2 b3 36. Nb4 Bxb4 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "June, Brian"]
[Black "Koger, M."]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "83"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 cxd4 5. exd4 b6 6. 0-0 Bb7 7. Re1 Be7 8. c4 0-0 9. Nc3 d5 10. cxd5 exd5 11. Bg5 Nbd7 12. Rc1 h6 13. Bh4 Re8 14. Nb5 Ne4 15. Bg3 Nxg3 16. hxg3 Rc8 17. Nxa7 Ra8 18. Nc6 Bxc6 19. Rxc6 Rxa2 20. Qb3 Ra5 21. Rec1 Bf6 22. Qc2 Nf8 23. Rc8 Qd7 24. Bf5 Rxc8 25. Qxc8 Qxc8 26. Rxc8 Rb5 27. Rc2 Rb4 28. Rd2 g6 29. Bc8 Ne6 30. Bb7 Nxd4 31. Nxd4 Rxd4 32. Rxd4 Bxd4 33. b3 Kg7 34. Bxd5 f5 35. Kf1 Kf6 36. Ke2 g5 37. Bc4 Ke5 38. f3 h5 39. Bf7 h4 40. gxh4 gxh4 41. Kd3 Bc5 42. Be8 1/2-1/2

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Bood, L."]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "120"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 b6 8. Bd3 dxc4 9. Bxc4 Ba6 10. Qe2 Bxc4 11. Qxc4 Nbd7 12. 0-0 c5 13. Rfd1 Qc8 14. Rac1 cxd4 15. Qxd4 Bc5 16. Qa4 Qb7 17. Bg3 a6 18. b4 b5 19. Qb3 Be7 20. Ne2 Rfc8 21. Ned4 Bf8 22. Ne5 Nxe5 23. Bxe5 Nd7 24. Bg3 Nb6 25. Nf3 Rxc1 26. Rxc1 Nc4 27. Rd1 Qe7 28. a3 Rd8 29. Rxd8 Qxd8 30. h3 f6 31. Nd4 e5 32. Ne6 Qd7 33. Nxf8 Kxf8 34. a4 h5 35. axb5 axb5 36. f3 g6 37. e4 Kg7 38. Bf2 Qd2 39. g3 Qc1+ 40. Kg2 Nd2 41. Qe3 Qf1+ 42. Kh2 Qd1 43. Kg2 g5 44. Be1 Nxf3 45. Qxf3 Qxe1 46. Qd3 Qxb4 47. Qd7+ Kh6 48. Qf5 Qe7 49. Qc8 Kg7 50. Qc3 b4 51. Qb3 Qc5 52. Kf3 Qc3+ 53. Qxc3 bxc3 54. Ke3 Kg6 55. g4 hxg4 56. hxg4 Kf7 57. Kd3 c2 58. Kxc2 Ke6 59. Kd3 Kd6 60. Kc4 Kc6 1/2-1/2

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Schafer, J."]
[Result "0-1"]
[ECO "A18"]
[PlyCount "70"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 e5 4. Nf3 Nc6 5. d4 Bb4 6. Bg5 exd4 7. Nxd4 d6 8. Be2 h6 9. Nxc6 bxc6 10. Bxf6 Qxf6 11. Rc1 0-0 12. 0-0 Bc5 13. a3 a5 14. Na4 Bd4 15. b4 axb4 16. axb4 c5 17. b5 Bb7 18. Bd3 Rfe8 19. Qc2 Ra5 20. Nc3 Rea8 21. Nd1 Ra2 22. Qb1 Ra1 23. Qc2 R8a2 24. Qb3 Rxc1 25. Qxa2 Ra1 26. Qe2 Bc8 27. Ne3 Rxf1+ 28. Kxf1 Qf4 29. Nd5 Qxh2 30. Qf3 Qh4 31. Nxc7 Bg4 32. g3 Qh2 33. Qg2 Bh3 34. Ke2 Qxg2 35. b6 Qxf2+ 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Ward, Tom"]
[Result "1/2-1/2"]
[ECO "E05"]
[BlackElo "2330"]
[PlyCount "111"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[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. g3 d5 4. Bg2 Nbd7 5. Nf3 dxc4 6. 0-0 Be7 7. Nbd2 0-0 8. Nxc4 c5 9. dxc5 Bxc5 10. Qc2 b5 11. Nce5 Qc7 12. Be3 Bb7 13. Nxd7 Nxd7 14. Ng5 Rfc8 15. Qxh7+ Kf8 16. Qh8+ Ke7 17. Qxg7 Rf8 18. Bxc5+ Nxc5 19. Bxb7 Qxb7 20. Rac1 Qd5 21. Rfd1 Qf5 22. Nf3 Rac8 23. Qe5 Qxe5 24. Nxe5 Na4 25. Rxc8 Rxc8 26. Rd7+ Kf6 27. Nxf7 Nxb2 28. Rxa7 Rc2 29. Nd6 b4 30. e3 Nd3 31. h4 Rc1+ 32. Kg2 Ke5 33. Nb5 Ra1 34. h5 Kf5 35. h6 Ne1+ 36. Kh3 Nf3 37. g4+ Kg6 38. h7 Ng5+ 39. Kg2 Nxh7 40. f4 Nf6 41. g5 Nd5 42. Kf2 e5 43. Ra6+ Kf5 44. Nd6+ Kg4 45. g6 exf4 46. exf4 Kxf4 47. g7 Ne7 48. Nc8 Ng8 49. Ra4 Kg5 50. Rxb4 Rxa2+ 51. Kf3 Kf6 52. Rb7 Ra3+ 53. Ke4 Rg3 54. Nd6 Ke6 55. Ne8 Nf6+ 56. Nxf6 1/2-1/2

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Wydryck, Robert"]
[Result "1-0"]
[ECO "A69"]
[PlyCount "69"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 e6 5. e4 exd5 6. cxd5 d6 7. f4 Bg7 8. e5 Nh5 9. Nf3 0-0 10. Be2 dxe5 11. fxe5 Re8 12. 0-0 Bxe5 13. Nxe5 Rxe5 14. b3 Ng7 15. Bf4 Re8 16. Nb5 Na6 17. Nd6 Re7 18. Qd2 Nb4 19. a3 Rxe2 20. Qxe2 Nxd5 21. Bg3 Be6 22. Ne4 b6 23. Rad1 Qe7 24. Bd6 Qb7 25. Qf3 Qc8 26. Nf6+ Nxf6 27. Qxf6 Ne8 28. Qf3 Nxd6 29. Rxd6 h5 30. Rxe6 fxe6 31. Qf7+ Kh8 32. Qxg6 Qg8 33. Qxh5+ Qh7 34. Qe5+ Qg7 35. Rf6 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Levadi, David"]
[Black "Koger, M."]
[Result "1/2-1/2"]
[ECO "A18"]
[PlyCount "15"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. Nxe4 dxe4 6. d4 exd3 7. Qxd3 Bb4+ 8. Bd2 1/2-1/2

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Ryan, B."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "A06"]
[PlyCount "48"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d5 3. e4 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nxe4 6. Bd3 Nxf2+ 7. Ke2 Nxh1 8. Bf4 e6 9. Bxc7 Bc5 10. c3 a6 11. b4 Ba7 12. c4 Nf2 13. Nc3 Nxd3 14. Kxd3 0-0 15. Rd1 Nc6 16. Ke2 Nxb4 17. Bd8 Nc6 18. Bh4 b6 19. a3 Bb7 20. Rd7 Na5 21. Be7 Bxf3+ 22. Kxf3 Rfe8 23. Ne4 Nxc4 24. Ke2 Ne5 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Wilson, Vester"]
[Black "Koger, M."]
[Result "0-1"]
[ECO "C17"]
[PlyCount "60"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Bxc3+ 6. bxc3 Ne7 7. Qxg7 Rg8 8. Qxh7 Nbc6 9. h4 Qc7 10. h5 cxd4 11. f4 Nxe5 12. fxe5 Qxc3+ 13. Kd1 Qxa1 14. h6 Rf8 15. Qg7 Nf5 16. Bd3 Nxg7 17. hxg7 Ke7 18. Kd2 Qc3+ 19. Ke2 Rg8 20. Bg5+ Kd7 21. Bf6 Kc7 22. Nf3 Bd7 23. Ng5 Bb5 24. Rh3 Qxc2+ 25. Ke1 Bxd3 26. Rxd3 Qxd3 27. Nxf7 Qe3+ 28. Kf1 d3 29. Ng5 d2 30. Nxe6+ Kc8 0-1

[Event "Detroit op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Brewer, Robert S"]
[Black "Koger, M."]
[Result "0-1"]
[ECO "C02"]
[PlyCount "82"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 cxd4 5. Bd3 Nc6 6. Nf3 Nge7 7. Bg5 Qc7 8. Bf4 Bd7 9. 0-0 h5 10. Qg5 0-0-0 11. c3 Ng6 12. Bxg6 Be7 13. Qg3 h4 14. Qg4 fxg6 15. h3 dxc3 16. Nxc3 a6 17. Rfc1 Kb8 18. Ne2 Qa5 19. Ned4 Nxd4 20. Nxd4 g5 21. Nb3 Qb4 22. Be3 Qxg4 23. hxg4 h3 24. Kh2 hxg2+ 25. Kxg2 Rh4 26. Kg3 Rdh8 27. Kf3 Bb5 28. Nd4 Rh3+ 29. Kg2 Rh2+ 30. Kg1 Rh1+ 31. Kg2 R8h2+ 32. Kg3 Rh3+ 33. Kg2 R1h2+ 34. Kg1 Bd3 35. Re1 Bc5 36. Nxe6 Rh1+ 37. Kg2 Be4+ 38. f3 Bxf3+ 39. Kf2 R1h2+ 40. Kg1 Bxe3+ 41. Rxe3 Rg2+ 0-1

[Event "Detroit op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Ridella, Dennis"]
[Result "0-1"]
[ECO "E17"]
[BlackElo "2126"]
[PlyCount "108"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[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 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 h6 7. 0-0 0-0 8. d5 exd5 9. cxd5 Bb4 10. Nh4 d6 11. e4 Nbd7 12. Bd2 Nc5 13. Re1 Nd3 14. Re3 Ne5 15. b3 Neg4 16. Re1 Bc5 17. Be3 Nxe3 18. fxe3 Re8 19. Nf5 Bc8 20. Qf3 Bb4 21. Rec1 Bxc3 22. Rxc3 Nxe4 23. Rc2 Qf6 24. Rf1 Bxf5 25. Qxf5 Qxf5 26. Rxf5 Nc5 27. b4 Nd3 28. Rxc7 f6 29. e4 Nxb4 30. a3 Na6 31. Rc6 Red8 32. Rf1 Rac8 33. Rfc1 Nc5 34. Bh3 Rb8 35. Bg2 b5 36. Rb1 a5 37. Kf1 Kf8 38. Ke2 Ke7 39. Kd1 b4 40. axb4 axb4 41. Rc7+ Rd7 42. Rxd7+ Kxd7 43. Ke2 b3 44. Kd2 Na4 45. Bf1 Rb4 46. Bd3 Kc7 47. Rc1+ Nc5 48. Bb1 Kb6 49. Ke3 b2 50. Re1 g5 51. g4 Rb3+ 52. Kd4 Kb5 53. Rf1 Rh3 54. Rf2 Nb3# 0-1

[Event "Detroit op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Koger, M."]
[Black "Steverson, B."]
[Result "0-1"]
[ECO "E01"]
[PlyCount "107"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[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. g3 c6 4. Bg2 d5 5. c5 b6 6. cxb6 Qxb6 7. Nf3 c5 8. 0-0 Nc6 9. Qa4 Bd7 10. dxc5 Bxc5 11. Qd1 Rc8 12. Nc3 Na5 13. Ne5 Bb5 14. Nxb5 Qxb5 15. Qd3 Qb6 16. e3 0-0 17. Bd2 Nc6 18. Bc3 Nxe5 19. Bxe5 Nd7 20. Bc3 Rfd8 21. a4 Bb4 22. a5 Qc5 23. Bd4 Qc4 24. Qxc4 Rxc4 25. Bxa7 Ra8 26. Bb6 Nxb6 27. axb6 Rb8 28. Ra6 Rc6 29. Rfa1 Rcxb6 30. Rxb6 Rxb6 31. Bf1 g6 32. Ra8+ Bf8 33. Ra2 Rb8 34. e4 Bg7 35. exd5 exd5 36. Ra5 d4 37. Bb5 Bf8 38. Bc4 Rxb2 39. Ra7 d3 40. Bxf7+ Kh8 41. Ra1 Bc5 42. Rf1 d2 43. Rd1 Kg7 44. Bd5 Rc2 45. Kg2 Bb4 46. Bf3 Rc1 47. h4 Kf6 48. Be2 Ke5 49. f3 Kd4 50. Kf2 Bc5 51. g4 Kc3+ 52. Kg2 Kc2 53. Rf1 Re1 54. Kh3 0-1

[Event "Detroit op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Lester, T."]
[Black "Koger, M."]
[Result "0-1"]
[ECO "E21"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[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. Nc3 Bb4 4. Bd2 0-0 5. Nf3 b6 6. a3 Bxc3 7. Bxc3 Bb7 8. e3 d5 9. b3 Ne4 10. Bb2 Nd7 11. Bd3 Ndf6 12. 0-0 dxc4 13. bxc4 Qe7 14. Qc2 Rfd8 15. Rab1 h6 16. Bc1 c5 17. Re1 Qc7 18. Bb2 Qc6 19. Ne5 Qd6 20. Rbd1 Ng5 21. dxc5 Qxc5 22. Qc1 h5 23. h4 Nge4 24. Bd4 Qe7 25. f3 Ng3 26. e4 Ne8 27. Bf2 Qxh4 28. Bxg3 Qxg3 29. Re3 Qxe5 30. f4 0-1

