[Event "Michigan op-ch"]
[Site "Cadillac"]
[Date "2011.09.04"]
[Round "4"]
[White "Gregg, Alan Michael"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2017"]
[BlackElo "2132"]
[PlyCount "51"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. g3 c5 3. Bg2 Nc6 4. Ne2 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8. 0-0 Bd7 9. h3 Nf6 10. c4 0-0 11. Nc3 Be6 12. Qa4 Nd7 13. Qxc6 Ne5 14. Qa4 Nxc4 15. Nd5 Nxb2 16. Bxb2 Bxb2 17. Rab1 Bg7 18. Rb7 Bxd5 19. exd5 Bf6 20. Rxa7 Rxa7 21. Qxa7 Qa8 22. Qxa8 Rxa8 23. Re1 Rxa2 24. Bf3 Bd4 25. Re2 Ra3 26. Kg2 1/2-1/2

[Event "Michigan op-ch"]
[Site "Cadillac"]
[Date "2011.09.04"]
[Round "5"]
[White "Hahn, David"]
[Black "Aldrich, Jeff"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2132"]
[BlackElo "1919"]
[PlyCount "79"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 d6 5. d4 Qc7 6. Be2 Bg4 7. d5 a5 8. h3 Bh5 9. Be3 Nbd7 10. Nd2 Bxe2 11. Qxe2 g6 12. 0-0 Bg7 13. b3 0-0 14. Rac1 Ne8 15. f3 f5 16. exf5 gxf5 17. g4 Qd8 18. Kh2 f4 19. Bg1 Nef6 20. Nde4 Nxe4 21. Nxe4 Qe7 22. dxc6 Nf6 23. cxb7 Rab8 24. Rcd1 Nxe4 25. Qxe4 Rxb7 26. Qd5+ Kh8 27. Qxd6 Qxd6 28. Rxd6 a4 29. Rd3 Bf6 30. c5 axb3 31. axb3 Rc8 32. Rc1 Rb4 33. Kg2 Bg5 34. Rc2 Rf8 35. c6 e4 36. fxe4 Rxe4 37. c7 Rc8 38. Rd7 Kg8 39. Rc5 Bh4 40. Rb5 1-0

[Event "Michigan op-ch"]
[Site "Cadillac"]
[Date "2011.09.03"]
[Round "3"]
[White "Hahn, David"]
[Black "Rutkofske, Lonnie"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2132"]
[BlackElo "1833"]
[PlyCount "23"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nf3 Bc5 5. 0-0 Nf6 6. Nxe5 0-0 7. Nf3 Ne4 8. d4 Be7 9. Nbd2 Bf6 10. e3 Qe8 11. Nxe4 Qxe4 12. Ne5 1-0

[Event "Michigan op-ch"]
[Site "Lansing"]
[Date "2010.09.04"]
[Round "2"]
[White "Jarosz, Stanley J Jr"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1952"]
[BlackElo "2103"]
[PlyCount "94"]
[EventDate "2010.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. h3 g6 4. Nf3 Bg7 5. e3 0-0 6. Be2 c5 7. c3 Qb6 8. Qb3 Qxb3 9. axb3 Nc6 10. 0-0 cxd4 11. exd4 e5 12. dxe5 Nd5 13. Bg3 dxe5 14. Nbd2 Nf4 15. Bxf4 exf4 16. Bc4 Bf5 17. Rfe1 Rad8 18. Ne4 a6 19. Nc5 b5 20. Bf1 b4 21. Rxa6 Nb8 22. Ra4 bxc3 23. bxc3 Bxc3 24. Re7 Rd1 25. Rxf4 Nc6 26. Rc7 Ne5 27. g4 Bd3 28. Nxd3 Nxd3 29. Rfc4 Bg7 30. Kg2 Ne5 31. Nxe5 Bxe5 32. Rc8 Rd2 33. Rc2 Rxc8 34. Rxd2 Rc7 35. Bc4 Kg7 36. Bd5 f5 37. b4 Bd6 38. b5 Bc5 39. gxf5 gxf5 40. Bc6 Kf6 41. Rd5 Be7 42. f4 Ke6 43. Re5+ Kf6 44. Kf3 Bd6 45. Re2 Bc5 46. Rc2 Bb6 47. Rd2 Re7 1/2-1/2

[Event "Michigan op-ch"]
[Site "Lansing"]
[Date "2009.09.07"]
[Round "7"]
[White "Hahn, David"]
[Black "Hassen, Matt"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2106"]
[BlackElo "1972"]
[PlyCount "60"]
[EventDate "2009.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e6 2. e4 d5 3. exd5 exd5 4. d4 Bb4+ 5. Bd2 Qe7+ 6. Be2 Bxd2+ 7. Nxd2 Nf6 8. Ngf3 dxc4 9. 0-0 0-0 10. Bxc4 Bg4 11. Re1 Qb4 12. Qb3 Qxb3 13. Bxb3 Nc6 14. h3 Bxf3 15. Nxf3 Rad8 16. Rad1 Rd6 17. Ba4 Nb4 18. Bb3 Nbd5 19. g3 Rfd8 20. Ne5 Kf8 21. Kf1 c6 22. Nc4 R6d7 23. Ne5 Re7 24. Nf3 Rxe1+ 25. Rxe1 Ne8 26. Re5 Nec7 27. a3 f6 28. Re1 Re8 29. Rxe8+ Kxe8 30. Ke2 Kd7 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.06"]
[Round "7"]
[White "Jarosz, Stanley J Jr"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1994"]
[BlackElo "2138"]
[PlyCount "96"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. Bf4 Bxf3 4. exf3 c6 5. c3 Nf6 6. h3 e6 7. Bd3 d5 8. 0-0 Bd6 9. Bxd6 Qxd6 10. Re1 0-0 11. Qd2 c5 12. dxc5 Qxc5 13. Qe3 Qd6 14. Nd2 Nc6 15. Rad1 Rfe8 16. f4 Rab8 17. Nc4 Qc7 18. Ne5 b5 19. a3 Nxe5 20. fxe5 Nd7 21. Qe2 a6 22. Bb1 Nf8 23. Rd4 g6 24. h4 Qe7 25. h5 a5 26. Rg4 b4 27. axb4 axb4 28. c4 dxc4 29. Rxc4 Rec8 30. hxg6 hxg6 31. b3 Rxc4 32. Qxc4 Qg5 33. Qd4 Qe7 34. Rd1 Rc8 35. Be4 Qc5 36. Qxc5 Rxc5 37. Rd4 Rb5 38. Bc6 Rb6 39. Ba4 Rb8 40. Kf1 Kg7 41. Ke2 g5 42. g3 Ng6 43. f4 gxf4 44. gxf4 Ne7 45. Kd3 Nf5 46. Rc4 Rd8+ 47. Ke4 Rb8 48. Kd3 Rd8+ 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.05"]
[Round "4"]
[White "Homa, Seth"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1959"]
[BlackElo "2138"]
[PlyCount "83"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. Bxd7+ Nfxd7 8. d5 b5 9. Qe2 b4 10. Nd1 Qc8 11. 0-0 Qa6 12. Qf2 Nf6 13. Re1 0-0 14. Qh4 Qc8 15. Nf2 e6 16. dxe6 fxe6 17. e5 dxe5 18. fxe5 Nh5 19. Ne4 Nc6 20. Nf2 Nd4 21. Nxd4 cxd4 22. Qxd4 Qxc2 23. Be3 Rad8 24. Qg4 Qxb2 25. Qxe6+ Kh8 26. Rab1 Qxe5 27. Qxe5 Bxe5 28. Rxb4 Bc3 29. Reb1 Bxb4 30. Rxb4 a5 31. Ra4 Rfe8 32. Ng4 Ng7 33. Bd4 h5 34. Nf6 Rf8 35. Ne4 Rf4 36. Nd6 Rxd6 37. Bxg7+ Kxg7 38. Rxf4 Rd1+ 39. Rf1 Rd2 40. Rf2 Rd1+ 41. Rf1 Rd2 42. Rf2 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.04"]
[Round "2"]
[White "Hahn, David"]
[Black "La Forge, Thomas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2138"]
[BlackElo "1821"]
[PlyCount "113"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e6 2. e4 d5 3. exd5 exd5 4. d4 Nf6 5. Nf3 Be7 6. Nc3 0-0 7. Be2 dxc4 8. Bxc4 Bg4 9. Be3 Nbd7 10. h3 Bh5 11. Bb3 Nb6 12. g4 Bg6 13. Ne5 Nfd5 14. 0-0 c6 15. Qf3 Qd6 16. Rac1 Rac8 17. Ne4 Bxe4 18. Qxe4 Nf6 19. Qf3 Nbd5 20. g5 Nd7 21. Qf5 Nxe5 22. dxe5 Qe6 23. Qxe6 fxe6 24. h4 a6 25. Bd2 Rf3 26. Kg2 Rcf8 27. Bd1 R3f5 28. Bg4 Rxe5 29. Rce1 Rxe1 30. Rxe1 Bc5 31. Bxe6+ Kh8 32. f3 Nf4+ 33. Bxf4 Rxf4 34. Bc8 g6 35. Bxb7 Rb4 36. Bxa6 Rxb2+ 37. Re2 Rxe2+ 38. Bxe2 Ba3 39. Bc4 Kg7 40. f4 h6 41. Kf3 hxg5 42. hxg5 Kf8 43. Bd3 Kf7 44. Kg4 c5 45. f5 gxf5+ 46. Kxf5 Kg7 47. Ke5 c4 48. Bc2 Kf8 49. Kd5 Ke7 50. Kxc4 Kd8 51. g6 Bb2 52. a4 Kc7 53. Kb5 Ba1 54. a5 Bc3 55. a6 Bb2 56. Be4 Kb8 57. Kc6 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.04"]
[Round "3"]
[White "Kvatadze, David"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2049"]
[BlackElo "2138"]
[PlyCount "60"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. d3 g6 4. Be2 Bg7 5. 0-0 0-0 6. c3 c5 7. Nbd2 Nc6 8. a4 e5 9. Nc4 h6 10. Re1 Be6 11. Bf1 Qd7 12. d4 cxd4 13. cxd4 Bxc4 14. Bxc4 Nxd4 15. Nxd4 exd4 16. Bb5 Qe7 17. Qxd4 Ng4 18. Qd2 Qe5 19. Qf4 Qxf4 20. Bxf4 Bxb2 21. Rad1 Be5 22. Bxe5 dxe5 23. Rd7 Rab8 24. Bc4 a6 25. h3 Nf6 26. Re7 b5 27. axb5 axb5 28. Bb3 Rbe8 29. Rb7 Rb8 30. Re7 Rbe8 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.03"]
[Round "1"]
[White "Bailey, Gregory E"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1921"]
[BlackElo "2138"]
[PlyCount "72"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. g3 d5 4. Bg2 Nd7 5. d3 c6 6. e4 dxe4 7. dxe4 Qb6 8. e5 Nh6 9. Na3 Nc5 10. Nc4 Qb4+ 11. Nfd2 Be6 12. a3 Qb5 13. b3 Nf5 14. 0-0 Rd8 15. a4 Qa6 16. Ba3 Bxc4 17. Bxc5 Bxf1 18. Bxf1 Qa5 19. b4 Qc7 20. Qe1 b6 21. Bf2 0-0 22. c3 h5 23. Ne4 Rfe8 24. a5 Rb8 25. Qe2 Red8 26. h3 Qc8 27. Bg2 Qc7 28. Kh2 Qd7 29. axb6 axb6 30. Ra6 Qd3 31. Qxd3 Rxd3 32. Rxb6 Rxb6 33. Bxb6 f6 34. e6 h4 35. g4 Ne3 36. Nc5 Rd2 0-1

[Event "Kalamazoo op1"]
[Site "Kalamazoo"]
[Date "2003.09.01"]
[Round "7.1"]
[White "Finegold, Benjamin"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2539"]
[BlackElo "2165"]
[PlyCount "99"]
[EventDate "2003.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. e4 Nf6 4. Bd3 Bg7 5. 0-0 0-0 6. c3 Nc6 7. h3 e5 8. Re1 a6 9. Na3 h6 10. Nc2 Re8 11. d5 Ne7 12. c4 Rf8 13. b4 Ne8 14. c5 f5 15. Bb2 f4 16. cxd6 cxd6 17. Nh2 g5 18. Be2 Nf6 19. Bf3 Kh8 20. Rc1 Qe8 21. Na3 b5 22. Rc7 Neg8 23. Qe2 h5 24. Rc6 Nh6 25. g4 fxg3 26. fxg3 g4 27. hxg4 hxg4 28. Bg2 Qe7 29. Bc1 Nh5 30. Rc3 Rg8 31. Bd2 Bd7 32. Rec1 Rac8 33. Qe1 Rxc3 34. Rxc3 Qd8 35. Qe3 Nf7 36. Qa7 Bh6 37. Bxh6 Nxh6 38. Qxa6 Qf6 39. Qa7 Rf8 40. Nf1 Be8 41. Rc2 Qg5 42. Qb6 Nf7 43. Rf2 Nxg3 44. Nxg3 Qc1+ 45. Rf1 Qxa3 46. Qf2 Kg8 47. Nh5 g3 48. Nxg3 Qxb4 49. Qf6 Qc5+ 50. Kh2 1-0

[Event "Kalamazoo op1"]
[Site "Kalamazoo"]
[Date "2003.09.01"]
[Round "6.2"]
[White "Hankinson, Chris"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2111"]
[BlackElo "2165"]
[PlyCount "43"]
[EventDate "2003.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 c6 5. d3 g6 6. e3 Bg7 7. Ne2 h5 8. h3 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. e4 d5 12. c4 dxe4 13. dxe4 Nc5 14. Qc2 Qd3 15. Qxd3 Nxd3 16. Bc3 Nc5 17. Rad1 a5 18. f4 exf4 19. Bxf6 Bxf6 20. gxf4 Bd8 21. Nc3 Bb6 22. Kh2 1/2-1/2

[Event "Kalamazoo op1"]
[Site "Kalamazoo"]
[Date "2003.08.31"]
[Round "4.2"]
[White "Mazuchowski, Tom"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2000"]
[BlackElo "2165"]
[PlyCount "108"]
[EventDate "2003.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 Nf6 3. Nc3 g6 4. d4 Bg7 5. h3 0-0 6. Be3 b6 7. Qd2 Bb7 8. Bd3 c5 9. d5 a6 10. a4 Nbd7 11. 0-0 Ne8 12. Bh6 Nc7 13. Bxg7 Kxg7 14. Qf4 Nf6 15. g4 e5 16. dxe6 Nxe6 17. Qg3 d5 18. g5 Nxe4 19. Qe5+ Kg8 20. h4 Nxc3 21. bxc3 d4 22. Nh2 Qd5 23. Qxd5 Bxd5 24. c4 Bc6 25. f4 f5 26. gxf6 Rxf6 27. f5 gxf5 28. Ng4 Rff8 29. Bxf5 Ng7 30. a5 Nxf5 31. Rxf5 Rxf5 32. Nh6+ Kf8 33. Nxf5 b5 34. Rf1 Ke8 35. h5 Kd7 36. Nh6 Re8 37. Rf5 bxc4 38. Rxc5 c3 39. Nf5 Re4 40. Rc4 Rg4+ 41. Kh2 Bb5 42. Rxd4+ Rxd4 43. Nxd4 Kd6 44. Kg3 Kc5 45. Nb3+ Kb4 46. Kf3 Bc4 47. Nd4 Kxa5 48. Ke3 Kb4 49. h6 Bb5 50. Ne6 a5 51. Kd4 Ba4 52. Kd3 Bb5+ 53. Kd4 a4 54. Nf4 Bc4 0-1

[Event "Kalamazoo op1"]
[Site "Kalamazoo"]
[Date "2003.08.30"]
[Round "2.1"]
[White "Kahn, Aaron E"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1921"]
[BlackElo "2165"]
[PlyCount "42"]
[EventDate "2003.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Qc7 8. 0-0 Bg7 9. Bh6 0-0 10. Bxg7 Kxg7 11. Ne2 Nb6 12. e5 dxe5 13. dxe5 Ng4 14. Qf4 Nd5 15. Qg3 Nh6 16. Nfd4 a6 17. Be4 e6 18. Nf4 Nxf4 19. Qxf4 Bb7 20. Qf6+ Kg8 21. Qg5 Kg7 1/2-1/2

[Event "Kalamazoo op1"]
[Site "Kalamazoo"]
[Date "2003.08.29"]
[Round "1.1"]
[White "Hahn, David"]
[Black "Bailey, Gregory E"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2165"]
[BlackElo "1900"]
[PlyCount "71"]
[EventDate "2003.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 Na6 7. Qd2 c5 8. d5 Nc7 9. Bd3 Bd7 10. Nge2 a6 11. Bh6 b5 12. Bxg7 Kxg7 13. 0-0 bxc4 14. Bxc4 Qb8 15. a3 Qb6 16. Kh1 Rfb8 17. Rab1 Bb5 18. Ba2 a5 19. f4 Bxe2 20. Qxe2 Nb5 21. e5 Ng8 22. Nxb5 Qxb5 23. Bc4 Qa4 24. f5 dxe5 25. fxg6 hxg6 26. Qxe5+ f6 27. Qe2 Qd7 28. Rbe1 Qd6 29. Qf2 Nh6 30. Re6 Ng4 31. Qf4 Qxf4 32. Rxf4 Rxb2 33. Rxe7+ Kf8 34. Re1 Re8 35. Rc1 Ke7 36. Rxg4 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.09.02"]
[Round "6"]
[White "Davidovich, Manis"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2007"]
[BlackElo "2145"]
[PlyCount "66"]
[EventDate "2002.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 Nfd7 7. Ng5 cxd4 8. Bc4 0-0 9. Nxf7 Rxf7 10. Bxf7+ Kxf7 11. e6+ Kxe6 12. Ne4 Kf7 13. Ng5+ Kg8 14. h4 Nf6 15. h5 Bg4 16. Qd3 Qa5+ 17. Bd2 Qa6 18. Qb3+ d5 19. Kf2 Qe2+ 20. Kg3 Qxd2 21. Qxb7 Qe3+ 22. Kh4 Qxf4 23. g3 Bc8+ 24. gxf4 Bxb7 25. hxg6 hxg6 26. Rhg1 Bc8 27. Nf3 Bf5 28. Nxd4 Kf7 29. Nxf5 gxf5 30. Rg5 e6 31. Rag1 Ng4 32. Kh5 Nd7 33. c3 Rh8# 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.09.01"]
[Round "4"]
[White "Levi, Ariel"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2164"]
[BlackElo "2145"]
[PlyCount "111"]
[EventDate "2002.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 c5 3. Bg2 Nc6 4. Nc3 g6 5. e3 Bg7 6. Nge2 Nge7 7. 0-0 0-0 8. a3 a5 9. Rb1 d6 10. h3 f5 11. d3 Be6 12. Nd5 Bf7 13. Nxe7+ Qxe7 14. Nc3 e4 15. Nd5 Bxd5 16. cxd5 Nd8 17. dxe4 fxe4 18. Qc2 Re8 19. a4 Nf7 20. Bd2 Ng5 21. Bc3 Nf3+ 22. Bxf3 exf3 23. Rfe1 Qe4 24. Qxe4 Rxe4 25. Bxg7 Kxg7 26. b3 Rb8 27. g4 b5 28. axb5 Rxb5 29. Ra1 Reb4 30. Kh2 Rxb3 31. Kg3 c4 32. Kxf3 Rxd5 33. Ke4 Re5+ 34. Kd4 Rc5 35. Rec1 Rd3+ 36. Ke4 Re5+ 37. Kf4 g5+ 38. Kf3 Rc5 39. Ke4 Re5+ 40. Kf3 Rc5 41. Ke4 Rd2 42. f4 Kf6 43. fxg5+ Kxg5 44. h4+ Kxg4 45. Rg1+ Kh5 46. Kf4 c3 47. e4 c2 48. Ke3 Rh2 49. Rg5+ Rxg5 50. hxg5 a4 51. Kd3 Kxg5 52. Rf1 Rg2 53. Ke3 h5 54. Kf3 Rd2 55. Rg1+ Kf6 56. Rc1 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.08.31"]
[Round "3"]
[White "Hahn, David"]
[Black "Perkins, Michael J"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2145"]
[BlackElo "1584"]
[PlyCount "58"]
[EventDate "2002.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 Na6 7. Qd2 e5 8. d5 h6 9. Be3 Kh7 10. g4 Nd7 11. h4 f5 12. h5 f4 13. hxg6+ Kxg6 14. Bf2 Bf6 15. Bd3 Ndc5 16. Nge2 Bg5 17. Nc1 Rh8 18. a3 h5 19. gxh5+ Rxh5 20. Rxh5 Kxh5 21. b4 Nd7 22. Nb3 Qh8 23. 0-0-0 Kg6 24. c5 Nf6 25. Kb1 Bd7 26. c6 Nxe4 27. fxe4 bxc6 28. dxc6 Bxc6 29. Nd5 Qh3 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.08.31"]
[Round "2"]
[White "Skidmore, Jennifer M"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1843"]
[BlackElo "2145"]
[PlyCount "70"]
[EventDate "2002.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 0-0 6. 0-0 c5 7. e5 Nd5 8. Be4 Nc7 9. dxc5 dxc5 10. Be3 Nba6 11. Nc3 Rb8 12. Qe2 Bg4 13. h3 Bxf3 14. Qxf3 b6 15. Qg3 e6 16. Rad1 Qe7 17. f5 exf5 18. Bg5 Bxe5 19. Qh4 f6 20. Bd5+ Kh8 21. Bh6 Rfd8 22. Kh1 Bxc3 23. Rde1 Qd6 24. bxc3 Nxd5 25. Rd1 g5 26. Qf2 Qf4 27. Qe2 Qh4 28. Bg7+ Kxg7 29. Rxd5 Rxd5 30. Qxa6 Rbd8 31. Qe2 Re5 32. Qf3 Rde8 33. Kh2 R8e7 34. g3 Re2+ 35. Rf2 Qe4 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.02"]
[Round "3"]
[White "Czuhai, Kevin"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2203"]
[BlackElo "2162"]
[PlyCount "47"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Be3 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Bc4 0-0 9. Bb3 Bd7 10. 0-0 Qa5 11. Qd2 Rad8 12. Rae1 b6 13. f4 Nxd4 14. Bxd4 Bc6 15. Qf2 e6 16. Qh4 Nd7 17. Bxg7 Kxg7 18. f5 Qe5 19. Re2 Nf6 20. g4 Qd4+ 21. Rff2 exf5 22. gxf5 Rde8 23. fxg6 hxg6 24. e5 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.02"]
[Round "4"]
[White "Hahn, David"]
[Black "Davidovich, Manis"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2162"]
[BlackElo "1958"]
[PlyCount "59"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Bb7 3. g3 Bxf3 4. exf3 c5 5. d4 Nc6 6. d5 Nd4 7. Bg2 g6 8. 0-0 Nh6 9. Nc3 Bg7 10. Re1 0-0 11. Be3 Nhf5 12. Rb1 a6 13. a4 Rb8 14. f4 b5 15. axb5 axb5 16. cxb5 Nxb5 17. Bxc5 Nxc3 18. bxc3 Bxc3 19. Re2 d6 20. Ba7 Rxb1 21. Qxb1 Qc7 22. Rc2 Qxa7 23. Rxc3 h5 24. Rb3 Rc8 25. Rb7 Qc5 26. Be4 Qc1+ 27. Qxc1 Rxc1+ 28. Kg2 Kf8 29. Bxf5 gxf5 30. Rb2 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.02"]
[Round "5"]
[White "Morris, Jewell"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1853"]
[BlackElo "2162"]
[PlyCount "167"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 a6 6. Bd3 Nc6 7. d5 Nb8 8. Bf4 c6 9. Qd2 cxd5 10. exd5 Nbd7 11. 0-0 0-0 12. Bh6 Nc5 13. Bxg7 Kxg7 14. Rfe1 b5 15. Nd4 Bb7 16. Qg5 Kh8 17. a3 Ng8 18. Re3 e5 19. Nf3 f5 20. Bf1 Qxg5 21. Nxg5 Nf6 22. b4 Ncd7 23. Ne6 Rfc8 24. Ng5 Kg8 25. Rd1 Nb6 26. f4 e4 27. Ne6 Nfxd5 28. Nxd5 Nxd5 29. Rg3 Rxc2 30. Nd4 Rc3 31. Nxf5 Rxg3 32. Nxg3 Re8 33. f5 e3 34. fxg6 hxg6 35. Be2 Re7 36. Bf3 Nc3 37. Rxd6 Bxf3 38. gxf3 e2 39. Nxe2 Nxe2+ 40. Kf2 Kg7 41. Rxa6 Nd4 42. a4 Rf7 43. axb5 Rxf3+ 44. Kg2 Rb3 45. b6 Rxb4 46. Ra7+ Kh6 47. Rd7 Nc6 48. b7 Na5 49. Rd5 Nxb7 50. Kg3 Rc4 51. Kf3 Nc5 52. Re5 Nd3 53. Re3 Nf4 54. Kg3 Kh5 55. Re8 Kh6 56. Rh8+ Kg7 57. Re8 Nh5+ 58. Kg2 Rc3 59. Re4 Kh6 60. Ra4 Ng7 61. Rh4+ Kg5 62. Rg4+ Kf6 63. Ra4 Nf5 64. Re4 Rc4 65. Re2 Rc2 66. Rxc2 Ne3+ 67. Kf3 Nxc2 68. Kf4 Nd4 69. h4 Ne6+ 70. Ke4 Ng7 71. Kf4 Nh5+ 72. Kg4 Kg7 73. Kg5 Kh7 74. Kg4 Kh6 75. Kh3 Nf6 76. Kg3 Kh5 77. Kh3 Ne4 78. Kg2 Kxh4 79. Kh2 g5 80. Kg2 g4 81. Kh2 g3+ 82. Kg2 Kg4 83. Kh1 Kh3 84. Kg1 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.01"]
[Round "2"]
[White "Hahn, David"]
[Black "Szczypka, Tom"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2162"]
[BlackElo "1977"]
[PlyCount "156"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 g6 4. e3 d5 5. d4 cxd4 6. exd4 Bg7 7. Be2 0-0 8. 0-0 dxc4 9. Bxc4 Bg4 10. Be3 Nbd7 11. h3 Bxf3 12. Qxf3 Nb6 13. Bb3 Qd7 14. d5 Nc8 15. Rad1 Nd6 16. Rfe1 b6 17. Bf4 Rac8 18. Qe2 Nh5 19. Bh2 Bf6 20. Be5 Bxe5 21. Qxe5 Rc7 22. Ba4 Qd8 23. Nb5 Nxb5 24. Bxb5 Nf6 25. d6 Rc5 26. Qxc5 bxc5 27. dxe7 Qb6 28. exf8Q+ Kxf8 29. a4 a6 30. Bc4 Qxb2 31. Bxa6 Qc2 32. Bb5 Ne4 33. Rf1 Nc3 34. Rd8+ Kg7 35. Rc8 Nxa4 36. Bxa4 Qxa4 37. Rxc5 Qd4 38. Rfc1 h5 39. R5c4 Qd2 40. h4 Qe2 41. g3 Qd2 42. R1c3 Qd1+ 43. Kh2 Qe1 44. Rf3 Qe2 45. Rcf4 f5 46. Kg2 Qd2 47. Re3 Qd5+ 48. Kh2 Qd2 49. Re5 Qd1 50. Kg2 Qd6 51. Ra5 Qc6+ 52. Kh2 Qc2 53. Raa4 Qd2 54. Rad4 Qc2 55. Rf3 Kf6 56. Rd6+ Kg7 57. Rf4 Qe2 58. Kg2 Qe7 59. Rfd4 Qb7+ 60. R4d5 Qa8 61. Rd8 Qc6 62. R8d7+ Kf8 63. R7d6 Qc4 64. Rd4 Qc3 65. Rf6+ Ke7 66. Rfd6 f4 67. gxf4 Qc2 68. R6d5 Qc6 69. Kg3 Qc3+ 70. Rd3 Qc1 71. Re5+ Kf7 72. Rd7+ Kf6 73. Rd6+ Kf7 74. Ree6 Qg1+ 75. Kf3 Qg4+ 76. Ke3 Qxh4 77. Rxg6 Qh1 78. Rdf6+ Ke7 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.01"]
[Round "3"]
[White "Sanetullaev, Alisher"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "1837"]
[BlackElo "2162"]
[PlyCount "81"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Be2 0-0 7. 0-0 cxd4 8. Nxd4 Nbd7 9. Be3 a6 10. a4 Qc7 11. Kh1 b6 12. Qe1 Bb7 13. Bf3 Rae8 14. Rd1 e6 15. g4 e5 16. Nde2 exf4 17. Bxf4 Ne5 18. Qg3 Rd8 19. g5 Nfd7 20. Bg2 Nc5 21. Bc1 Ne6 22. Nf4 Nxf4 23. Qxf4 f5 24. gxf6 Rxf6 25. Qh4 Rdf8 26. Rxf6 Rxf6 27. Bg5 Nf3 28. Qg3 Nxg5 29. Qxg5 Rf2 30. Rd2 Rxd2 31. Qxd2 Bxc3 32. bxc3 Qc5 33. Qd3 a5 34. Qg3 Qe5 35. Qh3 Bxe4 36. Qc8+ Kg7 37. Qd7+ Kh6 38. Qh3+ Kg7 39. Qd7+ Kh6 40. Qh3+ Kg7 41. Qd7+ 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.08.31"]
[Round "1"]
[White "Hamood, Al"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "1872"]
[BlackElo "2162"]
[PlyCount "71"]
[EventDate "2001.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c5 7. a4 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. Qd2 Rc8 11. Rfd1 a6 12. f3 Qc7 13. Nxc6 Qxc6 14. a5 Be6 15. Ra4 Nd7 16. Bd4 Bxd4+ 17. Qxd4 Qc5 18. Rb4 Rc7 19. Qxc5 Nxc5 20. Bc4 Nxe4 21. Bxe6 Nxc3 22. Bxf7+ Kxf7 23. bxc3 Rxc3 24. Rxb7 Rc5 25. Rxd6 Rxa5 26. Rc6 Rd8 27. Kf2 Re5 28. g4 Rd2+ 29. Kg3 g5 30. h4 gxh4+ 31. Kxh4 a5 32. Ra7 Rf2 33. Kg3 Ree2 34. Rxa5 Rxc2 35. Rf5+ Kg7 36. Rxc2 1/2-1/2

[Event "Romulus op"]
[Site "Romulus"]
[Date "2000.09.04"]
[Round "7"]
[White "Hahn, David"]
[Black "Drake, Robert"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2143"]
[BlackElo "1878"]
[PlyCount "87"]
[EventDate "2000.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 0-0 6. Bg5 h6 7. Be3 Nbd7 8. Qd2 Kh7 9. g4 c6 10. h4 Ne8 11. Nge2 e5 12. d5 Nb6 13. Ng3 cxd5 14. Nxd5 Nxd5 15. cxd5 Bd7 16. h5 g5 17. Be2 Nc7 18. 0-0 Nb5 19. Bxb5 Bxb5 20. Rfc1 Qd7 21. Nf5 Rfd8 22. Rc2 Bf8 23. b3 b6 24. a4 Ba6 25. Rac1 Rac8 26. Kf2 Rxc2 27. Rxc2 Rc8 28. Qc1 f6 29. b4 Kg8 30. b5 Bb7 31. Rxc8 Bxc8 32. Qc6 Qd8 33. Ng3 Bd7 34. Qc4 Qc8 35. Qxc8 Bxc8 36. a5 bxa5 37. Bxa7 Kf7 38. Ke2 Ke8 39. Kd2 Kd7 40. Bb6 a4 41. Kc3 Bb7 42. Kb4 Kc8 43. Kxa4 Kb8 44. Bd8 1-0

[Event "Romulus op"]
[Site "Romulus"]
[Date "2000.09.04"]
[Round "6"]
[White "Randall, Paul"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1929"]
[BlackElo "2143"]
[PlyCount "118"]
[EventDate "2000.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. Bg5 Nbd7 6. Qd2 c5 7. d5 Qa5 8. Bh6 0-0 9. Bxg7 Kxg7 10. Nf3 a6 11. 0-0 b5 12. Qg5 Qc7 13. Nh4 c4 14. Be2 Nc5 15. Qe3 Bb7 16. f4 b4 17. e5 Nfd7 18. e6 fxe6 19. dxe6 Nf6 20. f5 bxc3 21. Nxg6 Nce4 22. Nxf8 Rxf8 23. bxc3 d5 24. g4 Qc5 25. Qd4 h6 26. Rab1 Bc6 27. Bf3 Qxd4+ 28. cxd4 Nd2 29. Rb6 Nxf1 30. Rxc6 Ne3 31. Rc7 Re8 32. h3 Kf8 33. c3 Rb8 34. Kf2 Nc2 35. h4 Na3 36. g5 hxg5 37. hxg5 Nb5 38. Rc6 Ne4+ 39. Bxe4 dxe4 40. Rxc4 Nd6 41. Rc5 Rb5 42. Ke3 Nxf5+ 43. Kxe4 Nd6+ 44. Kd5 Rb2 45. Ra5 Rc2 46. Rxa6 Rxc3 47. a4 Rg3 48. Ra8+ Kg7 49. a5 Rxg5+ 50. Kc6 Rg4 51. d5 Ra4 52. Kd7 Kf6 53. Rf8+ Ke5 54. Kxe7 Rxa5 55. Rf1 Ra7+ 56. Kd8 Kxd5 57. e7 Ke6 58. Re1+ Kd5 59. Rd1+ Ke6 1/2-1/2

[Event "Romulus op"]
[Site "Romulus"]
[Date "2000.09.03"]
[Round "5"]
[White "Hahn, David"]
[Black "Aldrich, Jeff"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2143"]
[BlackElo "1949"]
[PlyCount "31"]
[EventDate "2000.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 d6 5. d4 exd4 6. Qxd4 Bg4 7. Bf4 Nh5 8. Be3 Be7 9. Be2 Qc7 10. 0-0-0 Nd7 11. h3 Bxf3 12. Bxf3 Nhf6 13. Bf4 Ne5 14. c5 Nxf3 15. gxf3 dxc5 16. Qxf6 1-0

[Event "Romulus op"]
[Site "Romulus"]
[Date "2000.09.03"]
[Round "4"]
[White "Jarosz, Stanley J Jr"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1948"]
[BlackElo "2143"]
[PlyCount "84"]
[EventDate "2000.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. Bf4 Nf6 4. Nbd2 Nbd7 5. h3 Bh5 6. c3 e6 7. Qb3 Qc8 8. e3 Be7 9. Bd3 Bg6 10. Bxg6 hxg6 11. 0-0 d5 12. c4 0-0 13. cxd5 exd5 14. Ne5 c6 15. Rac1 a5 16. Qc2 Re8 17. Ndf3 Bd8 18. Rb1 Bc7 19. Rfc1 Nxe5 20. Bxe5 Nd7 21. Bxc7 Qxc7 22. b4 axb4 23. Rxb4 Ra6 24. Qb3 b6 25. Qxd5 c5 26. Qb3 Qa7 27. dxc5 Ra3 28. Qd5 Nf6 29. Qc6 bxc5 30. Rb7 Qa6 31. Qc7 Rf8 32. Ng5 Qa5 33. Qxc5 Qxc5 34. Rxc5 Rxa2 35. Rcc7 Nd5 36. Rxf7 Rxf7 37. Rxf7 Nxe3 38. fxe3 Ra5 39. h4 Rxg5 40. Rxg7+ Kxg7 41. hxg5 Kf7 42. Kf2 Ke6 1-0

[Event "Romulus op"]
[Site "Romulus"]
[Date "2000.09.02"]
[Round "3"]
[White "Hahn, David"]
[Black "Vandivier, Don"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2143"]
[BlackElo "1850"]
[PlyCount "41"]
[EventDate "2000.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e4 d6 6. Nge2 Bd7 7. d3 Rb8 8. Rb1 Qc8 9. h3 Nd4 10. a4 a6 11. Be3 b5 12. axb5 Nxe2 13. Qxe2 Bxc3+ 14. bxc3 axb5 15. cxb5 Rxb5 16. 0-0 Rxb1 17. Rxb1 Bxh3 18. Bxh3 Qxh3 19. Rb8+ Kd7 20. Qa2 h5 21. Rb7+ 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Aldrich, Jeff"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A85"]
[PlyCount "57"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. Nf3 g6 5. e3 Bg7 6. Qc2 0-0 7. Bd3 Nc6 8. a3 e5 9. dxe5 dxe5 10. e4 Nd4 11. Qd1 fxe4 12. Nxe4 Nxe4 13. Bxe4 Bg4 14. Be3 Nxf3+ 15. gxf3 Qxd1+ 16. Rxd1 Bxf3 17. Bxf3 Rxf3 18. Ke2 e4 19. b3 Be5 20. h4 Bf4 21. Rd4 Bxe3 22. fxe3 Raf8 23. Rxe4 Rf2+ 24. Kd3 Rb2 25. Kc3 Rff2 26. Re7 Rbc2+ 27. Kd3 Rcd2+ 28. Kc3 Rc2+ 29. Kd3 1/2-1/2

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Ciaffone, Robert"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2192"]
[PlyCount "22"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 h6 6. Bh4 Bg7 7. Qd2 c5 8. d5 a6 9. a4 Qb6 10. Ra2 Qb4 11. Bd3 Nh5 1/2-1/2

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Bailey, Gregory E"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "97"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 Nbd7 7. Nge2 c5 8. d5 Ne5 9. Ng3 a6 10. a4 Qb6 11. Ra3 e6 12. Be2 exd5 13. exd5 Re8 14. 0-0 Rb8 15. h3 h6 16. Bd2 Kh7 17. f4 Ned7 18. h4 Ng8 19. Nge4 f5 20. Nf2 Ndf6 21. Bf3 h5 22. Nh3 Nh6 23. Ng5+ Kg8 24. Rb3 Qc7 25. Re1 Bd7 26. Ne6 Bxe6 27. dxe6 Qe7 28. g3 Nhg4 29. Bxg4 hxg4 30. Bc1 Qc7 31. Nd5 Nxd5 32. Qxd5 Re7 33. Rd1 Bd4+ 34. Be3 Bxe3+ 35. Rxe3 Rbe8 36. Qxd6 Qxd6 37. Rxd6 Kg7 38. Re5 Kf6 39. Rxc5 Rxe6 40. Rcd5 Rxd6 41. Rxd6+ Re6 42. Rxe6+ Kxe6 43. Kf2 Kd6 44. Ke3 Kc5 45. Kd3 Kb4 46. Kd4 Kxa4 47. Ke5 Kb3 48. Kf6 Kxb2 49. Kxg6 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Czuhai, Kevin"]
[Result "0-1"]
[ECO "A10"]
[PlyCount "54"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 f5 2. g3 d5 3. Bg2 c6 4. d4 dxc4 5. Nf3 Nf6 6. 0-0 Be6 7. Nbd2 Nbd7 8. Qc2 Nb6 9. Ng5 Qd7 10. e4 fxe4 11. Nxe6 Qxe6 12. Nxe4 Nxe4 13. Bxe4 g6 14. Bg5 0-0-0 15. Rfe1 Rxd4 16. Bf4 Bg7 17. Bg2 Qd7 18. Be3 Rf8 19. Rad1 e5 20. Bxd4 exd4 21. Qe4 d3 22. b3 d2 23. Re3 c3 24. Bf1 Bd4 25. Rd3 c2 26. R1xd2 c1Q 27. Rxd4 Qxd2 0-1

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Fischvogt, Eric V"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "81"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. 0-0 Nc6 6. cxd5 exd5 7. d4 Be7 8. Nc3 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Na5 13. Ncb5 Nc4 14. Bf4 Nxb2 15. Qc2 Nc4 16. Nc7 g5 17. Nxe8 Qxe8 18. Bd2 Bd7 19. Bc3 Nd6 20. Qb3 Ba4 21. Qb1 Qd7 22. Nb3 Nde4 23. Bxf6 Bxf6 24. Bxe4 dxe4 25. Nc5 Qb5 26. Nxa4 Qxa4 27. Qxb7 Re8 28. Qc6 Qxc6 29. Rxc6 Kg7 30. e3 Re7 31. Rfc1 Be5 32. g4 f6 33. R6c4 Kg6 34. Kg2 h5 35. Rxe4 hxg4 36. Rxg4 Rh7 37. h3 Rd7 38. Ra4 Rd2 39. Rxa7 Kf5 40. Ra4 Ke6 41. Rc5 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Hankinson, Chris"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "88"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nc6 5. Be3 Nf6 6. f3 a6 7. a4 e5 8. Nge2 exd4 9. Nxd4 0-0 10. Nxc6 bxc6 11. Qd2 Rb8 12. Rb1 d5 13. exd5 Nxd5 14. Nxd5 Qh4+ 15. Qf2 Qxc4 16. Ne7+ Kh8 17. Nxc8 Rfxc8 18. Qe2 Qxa4 19. b3 Qh4+ 20. g3 Qh3 21. Kf2 Re8 22. Rbd1 Re6 23. Rd3 Rbe8 24. Qf1 Qxf1+ 25. Rxf1 Rxe3 26. Rxe3 Bd4 27. Rfe1 Kg7 28. f4 Kf6 29. Kf3 Bxe3 30. Rxe3 Rxe3+ 31. Kxe3 Kf5 32. h3 c5 33. Kd3 Ke6 34. c4 h5 35. g4 hxg4 36. hxg4 f6 37. Ke3 f5 38. g5 Kd6 39. Kd3 Kc6 40. Kc3 Kb6 41. Kb2 Ka5 42. Kc3 c6 43. Kc2 Kb4 44. Kb2 a5 0-1

[Event "Michigan op"]
[Site "USA"]
[Date "1999.??.??"]
[Round "?"]
[White "Roe, Philip"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "139"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. f3 b5 7. Bd3 Nbd7 8. Bh6 Bxh6 9. Qxh6 b4 10. Nd1 Qa5 11. Ne2 Ba6 12. Nf2 b3+ 13. Qd2 Qxd2+ 14. Kxd2 Bxd3 15. Nxd3 bxc2 16. Rac1 Rc8 17. Rxc2 Nb8 18. Rhc1 Kd7 19. Rc4 Rc7 20. R1c3 Rhc8 21. g4 h5 22. g5 Nh7 23. h4 Nf8 24. Ke3 Ne6 25. f4 Ng7 26. Ng3 e6 27. e5 Rb7 28. Ra4 a6 29. Rc2 Ke7 30. exd6+ Kxd6 31. Ne5 Ke7 32. Rac4 Rb6 33. b3 a5 34. Rc5 Ra6 35. a4 Rc7 36. d5 exd5 37. Rxd5 Rb7 38. Rd3 Rab6 39. Rcc3 Ke6 40. Nc4 Ra6 41. Rd6+ Ke7 42. Rf6 Kf8 43. Rd3 Ne8 44. Nd6 Re7+ 45. Nge4 Nxf6 46. gxf6 Re6 47. Kf3 Ra7 48. Nc5 Rxf6 49. Nde4 Kg7 50. Nxf6 Kxf6 51. Rd8 Na6 52. Rd6+ Ke7 53. Rxc6 Nxc5 54. Rxc5 Rb7 55. Rxa5 Rxb3+ 56. Ke4 Rh3 57. Ra7+ Kf6 58. Ra6+ Kg7 59. Rc6 Rxh4 60. Ke5 Rh1 61. a5 Ra1 62. a6 h4 63. Rc3 Rxa6 64. Rh3 Ra5+ 65. Ke4 Rh5 66. Kf3 Kf6 67. Kg4 Rh8 68. f5 g5 69. Ra3 h3 70. Ra6+ 0-1

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Feldman, Edward C"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2360"]
[PlyCount "59"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. f4 Bg7 4. Nf3 c5 5. Bb5+ Bd7 6. a4 Nc6 7. d3 e6 8. 0-0 Nge7 9. Be3 Nd4 10. Bc4 Bc6 11. Bf2 d5 12. Ba2 Nxf3+ 13. Qxf3 d4 14. Ne2 Qd7 15. Bb3 b6 16. Qh3 a6 17. Bh4 0-0 18. Bxe7 Qxe7 19. Ng3 b5 20. f5 exf5 21. exf5 Qe3+ 22. Kh1 Qg5 23. fxg6 hxg6 24. axb5 axb5 25. Rxa8 Bxa8 26. Qd7 c4 27. dxc4 Qd2 28. Rg1 Bxg2+ 29. Rxg2 Qd1+ 30. Rg1 1/2-1/2

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Angres, Robert LS"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2360"]
[PlyCount "48"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 Nbd7 7. b3 b6 8. Nc3 Bb7 9. Bb2 c5 10. cxd5 Nxd5 11. Rc1 N7f6 12. Nxd5 Bxd5 13. Rc2 Rc8 14. Qa1 Be4 15. Rcc1 cxd4 16. Rxc8 Qxc8 17. Rc1 Qb7 18. Bxd4 Rc8 19. Rc3 Rxc3 20. Qxc3 Nd5 21. Qb2 Bf6 22. Bxf6 Nxf6 23. Qe5 h6 24. Qd6 a6 1/2-1/2

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Arnold, G Robert"]
[Result "1-0"]
[ECO "A91"]
[WhiteElo "2360"]
[BlackElo "2185"]
[PlyCount "67"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. d4 Be7 5. Nh3 0-0 6. 0-0 d6 7. Nc3 Qe8 8. Nf4 c6 9. d5 cxd5 10. cxd5 e5 11. Ne6 Bxe6 12. dxe6 Nc6 13. b3 d5 14. Nxd5 Rd8 15. Nxe7+ Qxe7 16. Qe1 e4 17. Bb2 Qxe6 18. Rd1 Nd5 19. Rd2 f4 20. Qd1 Rd7 21. b4 Ncxb4 22. Rd4 fxg3 23. hxg3 e3 24. f4 Rfd8 25. Qb3 a5 26. f5 Qf7 27. Rg4 Qh5 28. Qc4 b5 29. Qd4 Qf7 30. a3 Nc7 31. Qe4 Re8 32. Qf3 Nbd5 33. Bxg7 Qxg7 34. f6 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Cale, Richard"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2360"]
[PlyCount "104"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 Nbd7 7. Nge2 a6 8. d5 c5 9. a4 Ne5 10. Ng3 h5 11. Be2 Nh7 12. Be3 Qb6 13. Qc2 h4 14. Nf1 h3 15. g3 Qb4 16. Nd2 f5 17. f4 Ng4 18. Bxg4 fxg4 19. 0-0 Bd7 20. Ra3 Rfb8 21. Rfa1 Qa5 22. Nb3 Qb4 23. Nd2 Qa5 24. Qd3 Nf6 25. Qe2 Nh5 26. Bf2 Qc7 27. Nf1 Rf8 28. Ne3 Nf6 29. Nc2 Nh5 30. a5 Rab8 31. b4 g5 32. f5 cxb4 33. Nxb4 Rbc8 34. c5 dxc5 35. Nc2 Nf6 36. e5 Nh7 37. f6 Nxf6 38. exf6 exf6 39. Qc4 Kh8 40. Rb1 f5 41. Rb6 f4 42. d6 Qd8 43. Rab3 Bc6 44. Ne4 Qd7 45. Rb1 Qf5 46. Rxc6 Rxc6 47. Re1 Re8 48. Re2 Rcc8 49. Be1 Re5 50. Bc3 Rd5 51. Nxg5 Rd1+ 52. Ne1 Qxg5 0-1

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Kissick, Charles M"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2360"]
[PlyCount "83"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. cxd5 Qxd5 8. Nc3 Qxd4 9. Nxd4 0-0 10. e4 Rd8 11. Nc2 Be6 12. 0-0 Nbd7 13. f4 Nb6 14. Re1 h6 15. h3 Rd3 16. Kh2 Bc5 17. f5 Bf2 18. fxe6 Bxg3+ 19. Kg1 Bxe1 20. exf7+ Kxf7 21. Nxe1 Rd7 22. Nf3 Re8 23. Bf4 Kg8 24. Re1 Nh5 25. Bc1 Nc4 26. Bf1 Ne5 27. Nxe5 Rxe5 28. a4 g5 29. Be3 b6 30. Bc4+ Kg7 31. Bd5 Kg6 32. Bxc6 Rd6 33. Bd5 Nf4 34. Bxf4 gxf4 35. Kf2 Rh5 36. e5 Rd7 37. e6 Re7 38. Bg2 Rc5 39. Nd5 Re8 40. e7 Rc2+ 41. Kf1 Kg5 42. Re5+ 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Shnaiderman, Lazar"]
[Result "1-0"]
[ECO "A19"]
[WhiteElo "2360"]
[PlyCount "73"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nf3 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Bf4 Nf6 12. Qe3 Bb4 13. Rd1 Qe7 14. Be2 0-0 15. 0-0 Rfd8 16. Rfe1 Rxd1 17. Rxd1 Rd8 18. Rxd8+ Qxd8 19. a3 Bd6 20. Bxd6 Qxd6 21. Nb5 Qb8 22. h3 a6 23. Nd4 Ne5 24. b4 Qc7 25. Qf4 h6 26. Kf1 b6 27. Nf3 Nfd7 28. Nxe5 Nxe5 29. Qe4 a5 30. h4 axb4 31. axb4 Qd6 32. g3 Nc6 33. c5 bxc5 34. b5 Nb4 35. Bc4 g6 36. g4 Qh2 37. b6 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Hahn, David"]
[Black "Therrien, Robert E"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2360"]
[PlyCount "141"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. Nh3 0-0 6. Nc3 d6 7. d5 c6 8. 0-0 e5 9. dxe6 Bxe6 10. Qb3 Qc7 11. Ng5 Bc8 12. Bf4 Qb6 13. Bxd6 Qxb3 14. axb3 Rd8 15. Bf4 h6 16. Nf3 Be6 17. Rfd1 Rxd1+ 18. Rxd1 Nbd7 19. Be3 a6 20. h3 Re8 21. Nd2 Rd8 22. Ndb1 Kf7 23. Rd2 Rc8 24. Rd1 Rd8 25. Nd2 Kg8 26. f4 Nh5 27. Nf1 Kf7 28. Bf3 Nhf6 29. Kh2 Bf8 30. Bg1 Bb4 31. Ne3 Be7 32. Nc2 Re8 33. Nd4 Nc5 34. b4 Nce4 35. Bxe4 Nxe4 36. Nxe4 fxe4 37. Nxe6 Kxe6 38. Bc5 Rd8 39. Rxd8 Bxd8 40. Kg2 b6 41. Bd4 b5 42. b3 bxc4 43. bxc4 Be7 44. Bc3 h5 45. Kf2 c5 46. b5 axb5 47. cxb5 Bd8 48. g4 h4 49. Ke3 Kd5 50. f5 Bg5+ 51. Kf2 gxf5 52. gxf5 Bf4 53. f6 Ke6 54. b6 Kd7 55. b7 Kc7 56. f7 Bh6 57. Be5+ Kxb7 58. Bd6 Kb6 59. f8Q Bxf8 60. Bxf8 Kc6 61. Ke3 Kd5 62. Bg7 Kc4 63. Kxe4 Kb3 64. Kd5 c4 65. e4 c3 66. Bxc3 Kxc3 67. e5 Kd3 68. e6 Ke3 69. e7 Kf3 70. e8Q Kg3 71. Qe3+ 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Johnson, Gardner R"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "125"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. Bxd7+ Qxd7 9. h3 cxd4 10. Nxd4 Nh6 11. exd6 0-0 12. Nd5 exd6 13. 0-0 Nc6 14. f5 Bxd4+ 15. Qxd4 Nxd4 16. Nf6+ Kg7 17. Nxd7 Rfd8 18. f6+ Kg8 19. Bxh6 Rxd7 20. c3 Ne6 21. Rad1 d5 22. Be3 b5 23. Kh2 Rad8 24. Rfe1 g5 25. Kg3 h5 26. Bd4 Kh7 27. Re5 Kg6 28. h4 gxh4+ 29. Kxh4 Kxf6 30. Rxh5+ Nxd4 31. Rxd4 Ke6 32. g4 Rc8 33. a4 bxa4 34. Rxa4 Rb8 35. Ra6+ Ke7 36. Re5+ Kf8 37. Re2 Rb3 38. Ra4 Rdb7 39. Ra2 Kg7 40. Kg3 d4 41. Rc2 Rc7 42. Kh4 Kg6 43. Ra6+ Kg7 44. Ra4 dxc3 45. bxc3 Kg6 46. Ra5 f6 47. Rc1 Rh7+ 48. Kg3 Rc7 49. Kh4 Rh7+ 50. Kg3 Rd7 51. Rc5 Rd6 52. Kf4 Ra3 53. Re1 a5 54. Re8 Ra4+ 55. c4 Rd4+ 56. Re4 Rd1 57. Rc8 Ra3 58. Re3 Rd4+ 59. Re4 Rdd3 60. Ree8 Rd4+ 61. Re4 Rd2 62. Ree8 Rd4+ 63. Re4 1/2-1/2

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Lank, James A"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2360"]
[PlyCount "79"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. f3 b5 7. g4 Qa5 8. Nge2 h5 9. g5 Nfd7 10. Bg2 Bb7 11. f4 b4 12. Nd1 c5 13. 0-0 Na6 14. b3 0-0 15. a3 cxd4 16. Nxd4 e5 17. fxe5 Nxe5 18. Nf2 Rfc8 19. Rfc1 Ng4 20. Nxg4 hxg4 21. axb4 Qxb4 22. c3 Qc5 23. b4 Qe5 24. Bf4 Qe7 25. Nb5 Be5 26. Nxd6 Rd8 27. Bxe5 Qxe5 28. Rd1 Nc7 29. Ra5 Qe7 30. e5 Bxg2 31. Qxg2 Qxg5 32. Rf1 Rf8 33. Qg3 Ne6 34. Ne4 Qd8 35. Ra6 Qc8 36. Rd6 a5 37. Qxg4 axb4 38. Qh4 Kg7 39. Rd3 Nc5 40. Ng5 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "McCollum, Patrick"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2380"]
[PlyCount "87"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 d5 4. e5 d4 5. exf6 dxc3 6. fxg7 cxd2+ 7. Qxd2 Qxd2+ 8. Bxd2 Bxg7 9. 0-0-0 Bg4 10. Nf3 Nd7 11. Be2 0-0-0 12. Rhe1 h6 13. h3 Be6 14. Kb1 Nb6 15. Ne5 h5 16. Bc1 Rd6 17. Bf3 Bf6 18. b3 h4 19. Bb2 Rhd8 20. Rxd6 Rxd6 21. f5 Bxf5 22. Nxf7 Re6 23. Bxb7+ Kb8 24. Rxe6 Bxe6 25. Nd8 Bxb2 26. Kxb2 Bd5 27. Bxd5 Nxd5 28. c4 Nf4 29. Nc6+ Kc8 30. Nxa7+ Kb7 31. Nb5 Nxg2 32. Nd4 Nf4 33. Nf3 Nxh3 34. Nxh4 c5 35. Ng6 e6 36. a3 Ng5 37. b4 Nf3 38. Kc3 cxb4+ 39. axb4 Kc6 40. Kd3 Ne1+ 41. Kd2 Nf3+ 42. Ke3 Ne1 43. Ne5+ Kd6 44. Kd2 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Saxe, Barry"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2286"]
[BlackElo "2360"]
[PlyCount "39"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. e4 d6 5. f4 Bg7 6. Bb5+ Nfd7 7. a4 Na6 8. Nf3 0-0 9. 0-0 Nc7 10. Bd3 b6 11. Qe1 a6 12. f5 Nf6 13. Qh4 gxf5 14. Bh6 e5 15. Ng5 Nce8 16. exf5 c4 17. Bxc4 Qc7 18. Bd3 Qc5+ 19. Kh1 Qd4 20. Nce4 1-0

[Event "USA-ch14 prel 10 corr"]
[Site "USA"]
[Date "1998.07.10"]
[Round "?"]
[White "Schakel, Corky"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2275"]
[BlackElo "2360"]
[PlyCount "72"]
[EventDate "1998.07.10"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. e6 fxe6 9. Ng5 Bxb5 10. Nxe6 Bxd4 11. Nxb5 Qa5+ 12. c3 Bf2+ 13. Kd2 Be3+ 14. Kc2 Qa4+ 15. Kb1 Qe4+ 16. Qc2 Qxc2+ 17. Kxc2 Bxc1 18. Nec7+ Kd7 19. Kxc1 a6 20. Nxa8 axb5 21. a4 bxa4 22. Rxa4 Kc6 23. Ra7 c4 24. Re1 e5 25. Kd2 exf4 26. Re4 Ne5 27. Rxf4 Na6 28. Rh4 h5 29. Rf4 Re8 30. h4 Nc5 31. g3 Ncd3 32. Rf1 Nc5 33. Rf4 Ne6 34. Rf6 Ng7 35. Rf4 Nf5 36. Kd1 d5 0-1

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Brumley, Ron Jr"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "96"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. Bf4 Bg7 4. e3 Nf6 5. h3 b6 6. Nbd2 Bb7 7. Be2 0-0 8. 0-0 Nbd7 9. Nc4 c5 10. c3 Rc8 11. a4 Bd5 12. Nfd2 Qc7 13. Na3 Qb7 14. Bf3 Bxf3 15. Qxf3 Qxf3 16. Nxf3 Rfe8 17. Rfe1 Ne4 18. Rad1 a6 19. d5 Rb8 20. Nd2 Nxd2 21. Rxd2 b5 22. axb5 axb5 23. Nc2 Ra8 24. Ra1 Nb6 25. Rdd1 Rxa1 26. Nxa1 Nc4 27. Rb1 Ra8 28. Nc2 Ra2 29. Na3 Nd2 30. Rc1 Rxb2 31. f3 Nb3 32. Rd1 Na5 33. Nb1 Nc4 34. Rc1 f5 35. g4 Ne5 36. Bxe5 Bxe5 37. Na3 Rb3 38. Nb1 c4 39. f4 Bg7 40. Kg2 Rb2+ 41. Kf3 Rh2 42. Kg3 Ra2 43. g5 Ra1 44. Rd1 Kf7 45. Kf3 b4 46. cxb4 c3 47. b5 c2 48. Rc1 cxb1Q 0-1

[Event "Lansing Masters/Experts-ch"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Fischvogt, Eric V"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "33"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Be3 b6 10. Rad1 Nc6 11. Rxd8+ Nxd8 12. Nd2 Bb7 13. f3 Ne6 14. Nb3 Rd8 15. Rd1 Rxd1+ 16. Nxd1 Bc6 17. c3 1/2-1/2

[Event "Lansing Masters/Experts-ch"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Fuller, William E"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "92"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. c4 f5 4. h4 Nf6 5. Bg5 Bg7 6. Nc3 c6 7. Bxf6 Bxf6 8. h5 e5 9. hxg6 hxg6 10. Rxh8+ Bxh8 11. dxe5 Bxe5 12. Qd2 Qf6 13. 0-0-0 Be6 14. Nxe5 dxe5 15. Qd6 Na6 16. Nd5 cxd5 17. cxd5 Rc8+ 18. Kb1 Rd8 19. Qa3 Bxd5 20. Rc1 Be4+ 21. Ka1 Qc6 22. b3 Qd6 23. Qxd6 Rxd6 24. f3 Bc6 25. e3 Nc7 26. b4 Rd2 27. a4 a6 28. Bxa6 Nxa6 29. b5 Nb4 30. bxc6 Nxc6 31. Rb1 Rd7 32. Rb6 Kf7 33. Kb2 Ne7 34. e4 f4 35. a5 Rc7 36. Kb3 Nc6 37. Ka4 Kf6 38. Kb5 Kg5 39. Kc5 Nxa5+ 40. Kd5 Nc6 41. Kd6 Rh7 42. Rb1 Kf6 43. Rb5 g5 44. Rb6 g4 45. fxg4 Kg5 46. Ke6 Rh6+ 0-1

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Ballicora, Miguel A"]
[Result "1/2-1/2"]
[ECO "A25"]
[BlackElo "2245"]
[PlyCount "84"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 Nge7 6. b4 d6 7. e3 Bf5 8. d3 Qd7 9. b5 Nd8 10. e4 Be6 11. Nd5 0-0 12. Nxe7+ Qxe7 13. Ne2 Bd7 14. 0-0 Ne6 15. Be3 Nc5 16. Nc3 Be6 17. Qd2 Rab8 18. Rfe1 b6 19. d4 exd4 20. Bxd4 Bxd4 21. Qxd4 f6 22. f4 Qf7 23. Nd5 Bxd5 24. cxd5 Rbe8 25. Rbd1 Qg7 26. Re2 Re7 27. Rde1 Rfe8 28. Qc4 Kh8 29. a4 f5 30. exf5 Rxe2 31. Rxe2 Rxe2 32. Qxe2 Qa1+ 33. Bf1 Qd4+ 34. Qf2 Qxd5 35. Qb2+ Kg8 36. fxg6 hxg6 37. Qf6 Kh7 38. Qh4+ Kg7 39. Qe7+ Kh6 40. Qf8+ Kh7 41. Qe7+ Kh6 42. Qf8+ Kh7 1/2-1/2

[Event "Lansing Masters/Experts-ch"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Calton, Bill J"]
[Result "0-1"]
[ECO "A99"]
[BlackElo "2270"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 f5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. b3 d6 7. d4 Qe8 8. Nc3 Qh5 9. Ba3 Bd7 10. d5 Ne4 11. Rc1 Nxc3 12. Rxc3 Bf6 13. Rc1 e5 14. c5 dxc5 15. Bxc5 Rd8 16. Ba3 Be6 17. Rxc7 Na6 18. Rc2 Rxd5 19. Rd2 Rad8 20. Rxd5 Rxd5 21. Qc2 e4 22. Ne1 Ra5 23. Bc1 Rc5 24. Qd2 Rd5 25. Qc2 Nb4 26. Qc7 Nxa2 27. Nc2 Nc3 28. Ne3 Nxe2+ 29. Kh1 Rd8 30. g4 fxg4 31. Bxe4 Nxc1 32. Rxc1 Rc8 33. Qxc8+ Bxc8 34. Rxc8+ Kf7 35. Rc7+ Ke8 36. Rxb7 g3 37. Rb8+ Kd7 38. fxg3 Qe2 39. Rb7+ Kc8 0-1

[Event "Lansing MI Inv"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Kamberi, Sonny"]
[Result "0-1"]
[ECO "E81"]
[BlackElo "2285"]
[PlyCount "48"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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. Bg5 a6 7. a4 Nc6 8. Nge2 Nb4 9. Qd2 c5 10. d5 e6 11. Nc1 exd5 12. Nxd5 Nbxd5 13. cxd5 h6 14. Be3 Re8 15. Be2 b6 16. 0-0 Kh7 17. Na2 Bd7 18. Nc3 Qc7 19. Bc4 Qb7 20. Qd3 Reb8 21. Bf4 Ne8 22. Rfe1 b5 23. axb5 axb5 24. Rxa8 Qxa8 0-1

[Event "Lansing MI Inv"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Lin, Alan"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "109"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d6 3. Nc3 Nf6 4. h3 g6 5. Nf3 Bg7 6. Be3 0-0 7. d5 Ne5 8. Nxe5 dxe5 9. Bc4 a6 10. a4 Qd6 11. Qd3 Bd7 12. 0-0 Nh5 13. Ne2 f5 14. exf5 gxf5 15. f4 e4 16. Qa3 Qxa3 17. Rxa3 Kh8 18. a5 Rfb8 19. Rb3 Nf6 20. Nd4 Ne8 21. Be2 Bf6 22. c4 c6 23. dxc6 bxc6 24. Rb6 e6 25. Rd1 Bd8 26. Rxb8 Rxb8 27. Nxf5 Rb7 28. Ng3 Nf6 29. Bd4 Kg8 30. Bc3 Be7 31. b4 Be8 32. c5 Nd5 33. Be1 Nxf4 34. Bxa6 Ra7 35. Bc4 e3 36. Ne2 Nd5 37. Ng3 Bg6 38. Bd3 Rb7 39. Bxg6 hxg6 40. Ne4 Kf7 41. g3 e5 42. a6 Rc7 43. b5 cxb5 44. Rxd5 Ke6 45. Rd3 Ra7 46. Ra3 Kd5 47. Nd6 Bxd6 48. cxd6 Kxd6 49. Kf1 Kc5 50. Ke2 b4 51. Ra5+ Kc4 52. Ra4 Kc5 53. Kxe3 b3 54. Kd3 e4+ 55. Kc3 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Roe, Philip"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. f3 0-0 6. Bg5 c6 7. Qd2 a6 8. Bd3 b5 9. Nge2 Nbd7 10. Rc1 b4 11. Nd1 c5 12. d5 Nb6 13. 0-0 e6 14. Ng3 exd5 15. exd5 Qc7 16. Bh6 Bd7 17. Nf2 Rae8 18. Rce1 Rxe1 19. Rxe1 Re8 20. Rxe8+ Bxe8 21. Bxg7 Kxg7 22. Nf5+ Kg8 23. Qh6 Nh5 24. g4 Bd7 25. Ne7+ 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Skidmore, Mike"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "65"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. cxd5 cxd5 4. exd5 Qxd5 5. Nc3 Qd8 6. d4 e6 7. Nf3 Nf6 8. Bd3 Be7 9. 0-0 0-0 10. Re1 a6 11. Bc2 b5 12. Qd3 Bb7 13. a3 Bxf3 14. Qxf3 Nbd7 15. Bg5 Nb6 16. Qh3 g6 17. Bh6 Re8 18. Rad1 Nc4 19. Bc1 Rc8 20. Bb3 Qc7 21. d5 exd5 22. Bg5 Nxb2 23. Bxf6 Nxd1 24. Nxd5 Nxf2 25. Qh6 Nh3+ 26. Qxh3 Bc5+ 27. Kf1 Rxe1+ 28. Kxe1 Re8+ 29. Kd1 Qd6 30. Qh6 Qf8 31. Qf4 Bxa3 32. Bc3 Rd8 33. Qf6 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Spooner, Frank"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "113"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 d6 4. d4 Nbd7 5. Nf3 Qc7 6. Be2 e5 7. 0-0 Be7 8. Rb1 a5 9. d5 Nc5 10. Nd2 0-0 11. b3 Re8 12. a3 cxd5 13. cxd5 Bd7 14. Bb2 Qb8 15. a4 Rf8 16. Kh1 Qe8 17. Ba3 b6 18. Bxc5 bxc5 19. Bb5 Qb8 20. Qe2 Qc7 21. Nc4 Rfb8 22. f4 Bg4 23. Qd3 exf4 24. Rxf4 Bh5 25. Bc6 Ra6 26. Ne3 Rxc6 27. dxc6 Qxc6 28. Ncd5 Bd8 29. Rbf1 Nd7 30. Nf5 Kh8 31. Qg3 Bg6 32. Nfe7 Bxe7 33. Nxe7 Qa8 34. Rxf7 Ne5 35. Nxg6+ Nxg6 36. Qxd6 Rg8 37. Qxc5 Qxe4 38. Qf5 Qb4 39. Qf2 Qxb3 40. Ra7 Qxa4 41. Qb2 Qe8 42. Rxa5 Nf4 43. Rfa1 Qc6 44. Qf2 Qe4 45. Qa2 Qe6 46. Ra8 Qxa2 47. R1xa2 h6 48. g3 Nd5 49. Kg2 Rxa8 50. Rxa8+ Kh7 51. Kf3 Nf6 52. Kf4 h5 53. Kg5 Ng4 54. Kxh5 Nxh2 55. Rf8 g6+ 56. Kg5 Kg7 57. Rf2 1-0

[Event "Lansing MI Inv"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Hahn, David"]
[Black "Ward, Tom"]
[Result "1/2-1/2"]
[ECO "A07"]
[BlackElo "2305"]
[PlyCount "15"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 Bg4 4. b3 e6 5. Bb2 Nbd7 6. 0-0 Be7 7. c4 0-0 8. d3 1/2-1/2

[Event "Lansing Masters/Experts-ch"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Hartwig, Thomas E"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "76"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. Be3 a6 7. Qd2 b5 8. a3 Bb7 9. Ng5 e5 10. d5 c5 11. dxc6 Nxc6 12. h4 Nd4 13. h5 Qe7 14. Bd3 Rac8 15. a4 b4 16. Ne2 d5 17. Ng3 dxe4 18. N5xe4 Nxe4 19. Nxe4 Rfd8 20. Bxd4 Bxe4 21. Bb6 Rd6 22. Qxb4 Bxd3 23. cxd3 Qd7 24. hxg6 Rxg6 25. 0-0 Qc6 26. Qe4 Qxe4 27. dxe4 Rxb6 28. Rac1 Rxc1 29. Rxc1 Rxb2 30. Rc6 Rb4 31. Rxa6 Rxe4 32. Ra8+ Bf8 33. a5 Kg7 34. a6 Ra4 35. Kf1 Ra2 36. Ke1 Bc5 37. Kd1 Rxf2 38. Kc1 Rxg2 0-1

[Event "Lansing MI Inv"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Rajlich, Vasik G"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2265"]
[PlyCount "65"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c5 4. d5 g6 5. c4 Bg7 6. Nc3 0-0 7. Bd3 e6 8. Nge2 exd5 9. exd5 Nbd7 10. Ng3 a6 11. 0-0 b5 12. cxb5 Nb6 13. Be4 axb5 14. Bf4 Ba6 15. Re1 b4 16. Na4 Re8 17. Nxb6 Qxb6 18. Qd2 Nd7 19. Kh1 Ne5 20. Bh6 Bh8 21. Qf4 Qd8 22. Bg5 f6 23. Bh6 Ra7 24. h4 Bc8 25. Bc2 f5 26. Bg5 Bf6 27. Bxf6 Qxf6 28. Ne4 Qf8 29. Nxc5 Rc7 30. Ba4 Rxc5 31. Bxe8 Qxe8 32. Qxb4 Qd8 33. Rxe5 1-0

[Event "Lansing MI Inv"]
[Site "Lansing"]
[Date "1998.??.??"]
[Round "?"]
[White "Seawald, Dennis"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "69"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Bd3 Na6 7. 0-0 c5 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 Qxd5 11. Qe2 Bf5 12. Bxf5 gxf5 13. Re1 Nc7 14. Nh4 e6 15. Bg5 Qxe5 16. Qxe5 Bxe5 17. Rxe5 f6 18. Rxc5 Na6 19. Be3 Nxc5 20. Bxc5 Rfc8 21. Bd4 Rc4 22. Bxf6 Rf8 23. Bg5 Rxc2 24. b3 Rfc8 25. Nf3 Rb2 26. Re1 Rcc2 27. Rd1 Rc7 28. Bh6 Kf7 29. Ne5+ Kf6 30. Bf4 Re7 31. Nf3 Rxa2 32. Bg5+ Kf7 33. Bxe7 Kxe7 34. Ne5 Re2 35. f4 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Solon, Nathan"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A89"]
[PlyCount "125"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. Nc3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. e4 f4 11. Qe2 g5 12. gxf4 gxf4 13. Kh1 Bg4 14. Bf3 h5 15. b3 Bh3 16. Rg1 Ng4 17. Ba3 Rf6 18. Rad1 Rg6 19. Rd3 Ra6 20. Bc5 Rf6 21. Qd2 b6 22. Ba3 c5 23. Bd1 f3 24. Rxf3 Qf8 25. Rxf6 Qxf6 26. f3 Qf4 27. Qe2 Nf6 28. Bc2 Qh4 29. Bc1 Nh7 30. Qe1 Qf6 31. Qg3 Bd7 32. Bd1 Kh8 33. Bg5 Nxg5 34. Qxg5 Qxg5 35. Rxg5 Be8 36. f4 exf4 37. Ne2 f3 38. Ng3 h4 39. Nh5 Bf6 40. Rf5 Bg6 41. Rxf6 exf6 42. Nxf6 f2 43. Kg2 b5 44. cxb5 Rf8 45. e5 Bd3 46. Kxf2 Bxb5 47. Ke3 Kg7 48. Be2 Bxe2 49. Kxe2 Kg6 50. Kd3 Kf5 51. Nd7 Rg8 52. e6 Re8 53. Kc4 h3 54. Kxc5 Kf4 55. Nf6 Rc8+ 56. Kd4 Kf5 57. Nd7 Rc1 58. e7 Re1 59. d6 Rd1+ 60. Kc5 Re1 61. Kc6 Rc1+ 62. Nc5 Re1 63. d7 1-0

[Event "Michigan op"]
[Site "USA"]
[Date "1998.??.??"]
[Round "?"]
[White "Turgut, Tansel"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2250"]
[PlyCount "45"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. Bf4 Bg7 4. e4 Nf6 5. Nbd2 0-0 6. Bc4 c6 7. c3 Nxe4 8. Nxe4 d5 9. Bb3 dxe4 10. Ng5 Nd7 11. Nxe4 Qa5 12. Qd2 c5 13. dxc5 Nxc5 14. Nxc5 Qxc5 15. 0-0 Bf5 16. Qd5 Qb6 17. Be3 Qc7 18. Rfd1 b6 19. Qf3 Bd7 20. Bxf7+ Kh8 21. Qe4 Rad8 22. Qxe7 Qc8 23. Bd4 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "6"]
[White "Hahn, David"]
[Black "Dandridge, Marvin"]
[Result "1/2-1/2"]
[ECO "A30"]
[BlackElo "2205"]
[PlyCount "88"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. d4 cxd4 7. Qxd4 d6 8. Bg5 Be7 9. Rd1 Nc6 10. Qf4 Ne5 11. Nxe5 Bxg2 12. Rg1 Bb7 13. Ng4 Nh5 14. Bxe7 Nxf4 15. Bxd8 Nh3 16. Rf1 Kxd8 17. Ne3 Ke7 18. f4 g5 19. f5 Bc6 20. b4 h5 21. f6+ Kd7 22. c5 bxc5 23. bxc5 d5 24. Nc4 Kc7 25. Ne5 Rhf8 26. e4 Rad8 27. a4 a6 28. Rd4 g4 29. exd5 exd5 30. Rf5 Rfe8 31. Kd2 Re6 32. Rxh5 Rxf6 33. Ke1 Re6 34. Kd2 Ng1 35. Nxc6 Kxc6 36. Rdxd5 Nf3+ 37. Kd3 Rde8 38. Rd6+ Rxd6+ 39. cxd6 Kxd6 40. Ne4+ Ke7 41. Nf2 Rg8 42. Ke3 f6 43. h3 Ne5 44. Nxg4 Nxg4+ 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "3"]
[White "Hahn, David"]
[Black "Kaushansky, Leonid"]
[Result "0-1"]
[ECO "A20"]
[BlackElo "2300"]
[PlyCount "118"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Be7 7. d4 Nxd4 8. Nxd4 exd4 9. Qxd4 Nb4 10. Qxd8+ Bxd8 11. Nc3 c6 12. Bf4 a5 13. a3 Na6 14. Ne4 0-0 15. Nd6 Bf6 16. Rab1 a4 17. Nc4 Bg4 18. Rfe1 Rad8 19. Nb6 g5 20. Bc1 Rfe8 21. Nxa4 Bxe2 22. Be3 Bd3 23. Rbd1 Bf5 24. Nc3 h6 25. Rxd8 Rxd8 26. Rd1 Rxd1+ 27. Nxd1 Nc7 28. Nc3 Bxc3 29. bxc3 Nb5 30. c4 Nxa3 31. c5 f6 32. h4 Kf7 33. hxg5 hxg5 34. Bf1 Be4 35. Be2 Nc2 36. Bh5+ Bg6 37. Bg4 f5 38. Be2 Nxe3 39. fxe3 Kf6 40. Kf2 Ke5 41. Bc4 Be8 42. Kf3 Bd7 43. Bb3 Be6 44. Bc2 Bd5+ 45. Ke2 Bc4+ 46. Kd2 Kd5 47. Bxf5 Kxc5 48. Kc3 b5 49. Be4 b4+ 50. Kb2 Be6 51. Bf3 Kb5 52. Be2+ Ka5 53. Bh5 c5 54. Bg6 c4 55. e4 c3+ 56. Kc2 Ka4 57. Bf5 Bb3+ 58. Kd3 Ka3 59. e5 c2 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "1"]
[White "Hahn, David"]
[Black "Yedidia, Jonathan"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "2420"]
[PlyCount "70"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. 0-0 a6 7. Qxc4 b5 8. Qc2 Bb7 9. a4 c5 10. axb5 axb5 11. Rxa8 Qxa8 12. d3 Bd6 13. Na3 Qa6 14. Qb3 Bc6 15. Nh4 Nd5 16. Nf5 Be5 17. f4 Qb6 18. Kh1 g6 19. fxe5 gxf5 20. e4 fxe4 21. dxe4 Ne7 22. Bg5 Ng6 23. Bf6 Rf8 24. Qd3 Ngxe5 25. Qd6 Nxf6 26. Rxf6 Nd7 27. Rf1 Bxe4 28. Qxb6 Bxg2+ 29. Kxg2 Nxb6 30. Nxb5 Kd7 31. Rf6 Nc4 32. Rf2 Rb8 33. Rxf7+ Ke8 34. Rf4 Ne3+ 35. Kf3 Nd5 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "4"]
[White "Reeder, Andrew"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "98"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. Bg5 g6 5. Bxf6 exf6 6. e3 c6 7. g3 Be6 8. d5 Bf7 9. Nge2 Nd7 10. Bg2 Rc8 11. Nd4 Qb6 12. b3 Be7 13. 0-0 0-0 14. f4 Rfe8 15. g4 fxg4 16. Qxg4 f5 17. Nxf5 Bf6 18. Na4 Qc7 19. c5 Bxd5 20. cxd6 Qd8 21. Bxd5+ cxd5 22. Rac1 b5 23. Rxc8 Qxc8 24. Ne7+ Bxe7 25. Qe6+ Kg7 26. dxe7 bxa4 27. f5 Nf6 28. Qd6 Qc3 29. Qe6 Qc8 30. Qd6 Qb7 31. fxg6 Qxe7 32. Qxe7+ Rxe7 33. gxh7 Nxh7 34. bxa4 Rxe3 35. Rb1 Re7 36. a5 Kf6 37. Kf2 Ng5 38. Rb5 Ke5 39. Ke3 Rh7 40. h4 Rxh4 41. Rb7 Rh3+ 42. Ke2 Rh7 43. a6 Ke4 44. Rb4+ d4 45. Rb7 Rh2+ 46. Kd1 Rxa2 47. Rxa7 Ke3 48. Rc7 d3 49. Rc1 Rxa6 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "7"]
[White "Riddell, Joshua S"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "109"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Nc6 5. Nf3 Bg4 6. Be3 Bg7 7. 0-0 0-0 8. h3 Bxf3 9. Qxf3 Nd7 10. Rad1 e5 11. d5 Nd4 12. Bxd4 exd4 13. Ne2 Re8 14. Bb5 c6 15. dxc6 bxc6 16. Ba4 Qb6 17. Bb3 Re7 18. Rfe1 Nc5 19. Nc1 Rae8 20. Re2 Nxb3 21. axb3 Qa5 22. Nd3 Qb5 23. Rde1 a5 24. Kf1 a4 25. bxa4 Qxa4 26. Qf4 Be5 27. Qd2 c5 28. b3 Qc6 29. Ra1 Bg7 30. Rae1 Rxe4 31. Rxe4 Rxe4 32. Ra1 d5 33. Qa5 Bf8 34. Qa8 Re6 35. Ra5 Kg7 36. Nf4 Rd6 37. Qxc6 Rxc6 38. Nxd5 c4 39. bxc4 Rxc4 40. Ra2 Rc5 41. Nf4 Bd6 42. Nd3 Rc7 43. Ke2 h5 44. Kd2 Be7 45. Ra5 Bf6 46. Rd5 Ra7 47. g3 Ra1 48. h4 Rf1 49. Ke2 Ra1 50. Ne1 Ra2 51. Rb5 Ra1 52. Nf3 Ra4 53. Ne5 Bxe5 54. Rxe5 Rc4 55. Kd2 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1997.??.??"]
[Round "5"]
[White "Zarembsky, Ilya"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A86"]
[PlyCount "96"]
[EventDate "1997.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nh3 Na6 7. 0-0 0-0 8. Nf4 Qe8 9. Nd3 c6 10. d5 Nc7 11. dxc6 bxc6 12. Qa4 Bd7 13. Qa5 Ne6 14. Bd2 Qd8 15. Qa6 Qb6 16. Qxb6 axb6 17. Be3 Rab8 18. Nb4 Rfc8 19. h3 Nc5 20. Rac1 e5 21. Rfd1 Bf8 22. Bg5 Nfe4 23. Nxe4 Nxe4 24. Bxe4 fxe4 25. Kg2 d5 26. a3 d4 27. f4 Bg7 28. Be7 exf4 29. Bd6 Rb7 30. gxf4 Bf5 31. c5 Rd7 32. Be5 Bxe5 33. fxe5 b5 34. Rd2 e3 35. Rdd1 Re8 36. Kg3 Be4 37. Kf4 Bd5 38. Rxd4 Rf7+ 39. Kxe3 Rxe5+ 40. Kd2 Bc4 41. Nd3 Bxd3 42. Kxd3 Rf2 43. Rc2 Rh2 44. Rd6 Rxh3+ 45. Kd4 Rhe3 46. Rxc6 R3e4+ 47. Kd3 Re3+ 48. Kd4 R3e4+ 1/2-1/2

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "7"]
[White "Hahn, David"]
[Black "Betaneli, Aleksandr"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "80"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 d6 2. d4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. b3 f6 7. Bb2 c6 8. g3 Nh6 9. Bg2 Nd7 10. Nf3 Nf5 11. 0-0 h5 12. Rfd1 g6 13. Ne4 Be7 14. Rd2 Kc7 15. Rad1 Rhd8 16. Bc3 a5 17. a4 b6 18. Kf1 Nh6 19. h4 Nf7 20. Rc1 Nc5 21. Nxc5 Bxc5 22. Rcd1 Rxd2 23. Rxd2 Nd6 24. Ne1 Nf5 25. e3 Be7 26. Ke2 Nh6 27. Be4 Rg8 28. Nf3 Nf7 29. Ne1 Nd6 30. Bc2 Bh3 31. c5 Nb7 32. cxb6+ Kxb6 33. Bd3 Be6 34. Rb2 Nc5 35. b4 Nxa4 36. bxa5+ Kc7 37. Rc2 Bb3 38. Rc1 Ba3 39. Ra1 Nxc3+ 40. Kd2 Bb2 0-1

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "3"]
[White "Hahn, David"]
[Black "Felber, Joseph J"]
[Result "1/2-1/2"]
[ECO "B10"]
[BlackElo "2160"]
[PlyCount "102"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Nf3 Bg7 8. Qb3 0-0 9. Bc4 Nb6 10. d3 Bf5 11. Be3 Nfd7 12. 0-0 Rc8 13. Rfd1 Bg4 14. Bxb6 Nxb6 15. Ne4 Bxf3 16. gxf3 Qd7 17. Kg2 Qf5 18. Rac1 h5 19. d6 exd6 20. Nxd6 Qg5+ 21. Kf1 Nxc4 22. dxc4 Rcd8 23. Ne4 Qe5 24. Rxd8 Rxd8 25. Rd1 Rxd1+ 26. Qxd1 Qxb2 27. Qd8+ Bf8 28. Nf6+ Kg7 29. Ne8+ Kh6 30. Nf6 Bg7 31. Ne4 Qc1+ 32. Kg2 Qxc4 33. Qg5+ Kh7 34. Qf4 Qxa2 35. Ng5+ Kg8 36. Qb8+ Bf8 37. Qxb7 a5 38. Ne4 Qa1 39. Ng5 Qf6 40. Ne4 Qf5 41. Qa8 h4 42. h3 Kg7 43. Qd8 f6 44. Qc7+ Kh6 45. Qf7 Bg7 46. Qa7 Qb5 47. Qe3+ Kh7 48. Qf4 Qe5 49. Qxh4+ Kg8 50. Ng3 Qb5 51. Ne4 Qf5 1/2-1/2

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "5"]
[White "Hahn, David"]
[Black "Frumkin, Edward A"]
[Result "1-0"]
[ECO "A42"]
[BlackElo "2150"]
[PlyCount "37"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nc6 5. Nge2 e5 6. Be3 Nh6 7. f3 f5 8. d5 Ne7 9. Qd2 Nf7 10. 0-0-0 0-0 11. Kb1 c5 12. dxc6 bxc6 13. c5 fxe4 14. cxd6 Nf5 15. Nxe4 Nxe3 16. Qxe3 Bf5 17. N2g3 Nxd6 18. Nxf5 Nxf5 19. Qb3+ 1-0

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "6"]
[White "Karklins, Andrew"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2335"]
[PlyCount "92"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e5 dxe5 6. Nxe5 Nbd7 7. Be2 c5 8. Be3 cxd4 9. Bxd4 0-0 10. 0-0 Nxe5 11. Bxe5 Bf5 12. Bf3 Qb6 13. Rb1 Rfd8 14. Qe2 Rac8 15. Rfd1 a6 16. Rxd8+ Rxd8 17. Rd1 Rxd1+ 18. Nxd1 Qe6 19. c3 Bg4 20. Bxf6 Qxe2 21. Bxe2 Bxe2 22. Bxg7 Bxd1 23. Bd4 f6 24. f4 Kf7 25. Kf2 Ke6 26. Bc5 Ba4 27. Ke3 Bc6 28. g3 b5 29. Kd4 Kd7 30. b3 e6 31. c4 bxc4 32. bxc4 Bf3 33. Bf8 Be2 34. Kc5 e5 35. fxe5 fxe5 36. Kd5 e4 37. c5 Bb5 38. Kxe4 Ke6 39. Bh6 Bc6+ 40. Kd4 Bb5 41. Bf4 Bc6 42. Bd2 h5 43. a3 Bb5 44. Ba5 Kd7 45. Kd5 Bc6+ 46. Ke5 Bf3 1/2-1/2

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "1"]
[White "Shabalov, Alexander"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2570"]
[PlyCount "51"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Qb6 6. Qd2 Qxb2 7. Rb1 Qa3 8. Bc4 Qa5 9. Nf3 Bg7 10. e5 Nd5 11. Nxd5 Qxd2+ 12. Kxd2 cxd5 13. Bxd5 h6 14. Bh4 g5 15. fxg5 hxg5 16. Bxg5 Nc6 17. exd6 Nxd4 18. Nxd4 Bxd4 19. Bxe7 Rb8 20. Bc6+ Bd7 21. Bxb7 Rh6 22. Bd5 Bb6 23. Rb3 Rc8 24. Rg3 Ba5+ 25. Kc1 Rg6 26. Rf1 1-0

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "4"]
[White "Zaremba, Andrie"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "A88"]
[PlyCount "47"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. Nf3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c6 8. Re1 Nh5 9. e4 f4 10. e5 Bg4 11. Qd3 Na6 12. exd6 exd6 13. a3 fxg3 14. fxg3 Bxf3 15. Bxf3 Qf6 16. Kg2 Qxd4 17. Qxd4 Bxd4 18. Bg5 Rf7 19. Rad1 Be5 20. Bg4 Ng7 21. Ne4 Nf5 22. Bxf5 Rxf5 23. g4 Rff8 24. Nxd6 1/2-1/2

[Event "Lansing-ch MI M/X"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "4"]
[White "Cooper, Thomas L"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2215"]
[PlyCount "41"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Qe2 Nc6 6. e5 dxe5 7. dxe5 Nd7 8. Bxf7+ Kxf7 9. e6+ Ke8 10. exd7+ Bxd7 11. Be3 Rf8 12. Rd1 Qc8 13. h3 Kf7 14. Nf3 Kg8 15. 0-0 Kh8 16. Rfe1 Bf5 17. Nd4 Rf6 18. Nd5 Rf7 19. Nc3 Qe8 20. Nxc6 Qxc6 21. Bd4 1/2-1/2

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "6"]
[White "Finegold, Benjamin"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2495"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[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 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Nf6 6. e3 c6 7. Be2 Be7 8. Nh3 Na6 9. b3 Nc7 10. d5 cxd5 11. cxd5 Ncxd5 12. Nxd5 Qa5+ 13. Bd2 Qxd5 14. Nf4 Qc5 15. Rc1 Qb6 16. Bc3 0-0 17. Bxf6 Rxf6 18. Nd5 Qd8 19. Nxf6+ Bxf6 20. Qd5+ Kh8 21. 0-0 Qe7 22. Bc4 Bd7 23. Qxb7 Rd8 24. Rfd1 f4 25. exf4 e3 26. Qxa7 d5 27. Rxd5 e2 28. Qe3 Qa3 29. Rxd7 Rc8 30. Re1 1-0

[Event "Lansing-ch MI M/X"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "3"]
[White "Finegold, Mark"]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "53"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. h3 Nc6 8. Be3 Bd7 9. 0-0 exd4 10. Nxd4 Re8 11. Qd2 Nxd4 12. Bxd4 c5 13. Be3 Bc6 14. Bg5 h6 15. Bxh6 Nxe4 16. Nxe4 Bxe4 17. Bxg7 Kxg7 18. Rad1 Bxg2 19. Kxg2 Re6 20. Rfe1 Rxe1 21. Rxe1 Qf6 22. c3 Rh8 23. Qd5 b5 24. Rd1 Rd8 25. Rd3 Qe6 26. Qc6 Qd7 27. Qd5 1/2-1/2

[Event "Lansing-ch MI M/X"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "1"]
[White "Hahn, David"]
[Black "Bailey, Gregory E"]
[Result "1-0"]
[ECO "A94"]
[PlyCount "129"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. 0-0 c6 6. b3 d5 7. d4 Nbd7 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 0-0 11. Nce1 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. cxd5 Nxd5 15. Nd3 Qf6 16. Bxd5+ cxd5 17. Nf4 d4 18. Rc1 g5 19. Nd5 Qe5 20. Nc7 Rb8 21. Rc4 f4 22. Qxd4 Qxe2 23. Qd5+ Kh8 24. Re4 Qb2 25. Rd4 h6 26. Qe5+ Kg8 27. Ne8 Qxd4 28. Nf6+ Rxf6 29. Qxd4 Rf8 30. Re1 Bh3 31. Re7 Rf7 32. Rxf7 Kxf7 33. gxf4 Re8 34. f3 a6 35. Kf2 Re7 36. Kg3 Be6 37. Qh8 gxf4+ 38. Kxf4 Kg6 39. Kg3 Rg7 40. Qf8 Kh7+ 41. Kf2 Rf7 42. Qe8 Bd5 43. Qe3 Rxf3+ 44. Qxf3 Bxf3 45. Kxf3 Kg6 46. Kg4 h5+ 47. Kf4 Kf6 48. b4 b5 49. h4 Ke6 50. Kg5 Kd5 51. Kxh5 Kc4 52. Kg5 Kxb4 53. h5 Ka3 54. h6 Kxa2 55. h7 b4 56. h8Q b3 57. Qa8 b2 58. Qxa6+ Kb3 59. Qd3+ Ka2 60. Qc2 Ka1 61. Qa4+ Kb1 62. Kf4 Kc1 63. Qc4+ Kd1 64. Qb3+ Kc1 65. Qc3+ 1-0

[Event "Lansing-ch MI M/X"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "2"]
[White "Hahn, David"]
[Black "Finegold, Benjamin"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2495"]
[PlyCount "60"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nc6 8. Be3 cxd4 9. Nxd4 Bxe2 10. Qxe2 Nxd4 11. Bxd4 Be7 12. Rd1 Qf5 13. Rd3 0-0 14. Nd2 Rfd8 15. Nf1 Nd5 16. Ne3 Nf4 17. Nxf5 Nxe2+ 18. Kf1 Nxd4 19. Nxe7+ Kf8 20. Rad1 Kxe7 21. Rxd4 Rxd4 22. Rxd4 Rc8 23. Ke2 e5 24. Ra4 a6 25. Rb4 b5 26. Kd3 Kd6 27. a4 Kc5 28. axb5 axb5 29. f4 Rd8+ 30. Ke3 Rd5 1/2-1/2

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "5"]
[White "Hahn, David"]
[Black "Fuller, William E"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 b6 7. Bd2 Bb7 8. Nc3 d6 9. Bb5+ Nd7 10. Ne4 a6 11. Bg5 f6 12. Bxd7+ Kxd7 13. Bd2 Ke8 14. 0-0 Be7 15. Re1 dxe5 16. dxe5 f5 17. Nd6+ Bxd6 18. exd6 Qxd6 19. Qe2 Nc7 20. Bc3 Bxf3 21. Qxf3 Kf7 22. Be5 Qe7 23. Qh5+ Kg8 24. Bxc7 Qxc7 25. Rxe6 g6 26. Qg5 Ra7 27. Rae1 Ra8 28. Re8+ Rxe8 29. Rxe8+ Kf7 30. Rxh8 1-0

[Event "Lansing-ch MI M/X"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "5"]
[White "Hahn, David"]
[Black "Koster, Ed"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. e4 Bg4 8. h3 Bxf3 9. Qxf3 Nd4 10. Qd1 0-0 11. 0-0 a6 12. Ne2 Nxe2+ 13. Qxe2 c6 14. Rb1 Re8 15. Kh2 h6 16. Be3 d5 17. Rbc1 dxc4 18. dxc4 Qa5 19. a3 Rad8 20. Rfd1 Rxd1 21. Rxd1 Rd8 22. b4 Qc7 23. h4 h5 24. f3 Nh7 25. Bh3 Nf8 26. a4 Rxd1 27. Qxd1 a5 28. b5 cxb5 29. cxb5 Qc4 30. Bb6 Qc3 31. Bd8 Bh6 32. Bf6 Bg7 33. Bg5 Qd4 34. Qxd4 exd4 35. Bd8 Ne6 36. Bxe6 fxe6 37. Bxa5 Bh6 38. Kg2 Be3 39. Bb6 e5 40. a5 Bc1 41. Kf1 1-0

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "3"]
[White "Hahn, David"]
[Black "Linn, Peter"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "89"]
[EventDate "1995.??.??"]
[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 e6 2. Nf3 d5 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 dxe4 6. Qxd8+ Kxd8 7. Ng5 Ke7 8. Nxe4 Nf6 9. Bd3 Nbd7 10. Bf4 e5 11. Nxf6 Kxf6 12. Be3 Nb6 13. f4 exf4 14. 0-0 Nd5 15. Bd4+ Ke7 16. c4 Nf6 17. Rxf4 Ne8 18. Re1+ Be6 19. Bf5 Nf6 20. Bxf6+ gxf6 21. Rfe4 Rac8 22. Bxe6 fxe6 23. Rxe6+ Kf7 24. Re7+ Kg6 25. R1e3 Rhd8 26. Rd3 Re8 27. Rg3+ Kf5 28. Rgg7 Rxe7 29. Rxe7 h5 30. c5 b6 31. c6 Rd8 32. Rd7 Rc8 33. Kf2 Kf4 34. g3+ Kf5 35. Kf3 Kg5 36. c3 a6 37. h3 h4 38. gxh4+ Kxh4 39. Kf4 Kxh3 40. Kf5 Kg3 41. Kxf6 Rf8+ 42. Ke7 Rf2 43. Rxc7 Rxb2 44. Rd7 Rc2 45. Rd3+ 1-0

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "7"]
[White "Hahn, David"]
[Black "Moore, Dan"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "46"]
[EventDate "1995.??.??"]
[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. c3 d6 3. d4 Nf6 4. Bd3 cxd4 5. cxd4 g6 6. Nc3 Bg7 7. h3 0-0 8. Nf3 Nc6 9. Be3 Bd7 10. 0-0 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Bc4 Bc6 14. Qb3 Nxe4 15. Nxe4 Bxe4 16. Bc5 Qg5 17. f3 Bf5 18. Bxf8 Bxh3 19. Bxf7+ Kxf8 20. Rf2 e4 21. fxe4 Bd4 22. Qb4+ Bc5 23. Bd5+ Kg7 1-0

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "1"]
[White "Hahn, David"]
[Black "Van Loon, Cliff"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "101"]
[EventDate "1995.??.??"]
[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. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 7. Nc3 Bxf3 8. gxf3 Qxd4 9. Qxd4 Nxd4 10. Nb5 Nc2+ 11. Kd1 Nxa1 12. Nc7+ Kd8 13. Nxa8 e5 14. Be3 b6 15. Nxb6 axb6 16. Bxb6+ Kd7 17. Bb5+ Kc8 18. Kd2 Nb3+ 19. axb3 Kb7 20. Ba5 Bc5 21. Rc1 Bb6 22. Bb4 Bxf2 23. Bf8 Nf6 24. Bxg7 Rd8+ 25. Ke2 Bh4 26. Rc4 Bg5 27. h4 Nh5 28. Bxe5 Kb6 29. Ba4 Rd2+ 30. Ke1 Be3 31. Rc3 Bd4 32. Kxd2 Bxe5 33. Rc6+ Kb7 34. Rc5 f6 35. b4 Nf4 36. Bc2 h6 37. b3 Ne6 38. Be4+ Ka7 39. Rc8 Nd4 40. Bd5 Kb6 41. Kd3 Kb5 42. f4 Bxf4 43. Kxd4 Be5+ 44. Ke4 Kxb4 45. Rh8 Kc5 46. Rxh6 Bb2 47. Rh5 Kd6 48. Rf5 Bc3 49. h5 Ke7 50. h6 Kf8 51. Rh5 1-0

[Event "East Lansing MI-op"]
[Site "East Lansing"]
[Date "1995.??.??"]
[Round "2"]
[White "Steele, G."]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "31"]
[EventDate "1995.??.??"]
[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 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Qb6 6. a3 Bg7 7. Qd2 Qxb2 8. Rd1 Qxa3 9. h3 a5 10. Nf3 Qb4 11. Bxf6 Bxf6 12. Rb1 Qa3 13. Rb3 Qa1+ 14. Rb1 Qa3 15. Rb3 Qa1+ 16. Rb1 1/2-1/2

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "6"]
[White "Feldman, Steven"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2275"]
[PlyCount "59"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nh3 0-0 7. d5 Na6 8. Nf4 Qe8 9. 0-0 c6 10. Rb1 Nc5 11. b4 Nfe4 12. Nxe4 Nxe4 13. Bb2 Nc3 14. Bxc3 Bxc3 15. Qb3 Be5 16. dxc6 bxc6 17. c5+ Kh8 18. b5 Bd7 19. Nd3 Bf6 20. Nb4 Rb8 21. bxc6 a5 22. cxd7 Qxd7 23. c6 Qc8 24. a3 axb4 25. axb4 e6 26. Rfc1 d5 27. b5 Bd4 28. Qb4 Bb6 29. c7 Rb7 30. Qxf8+ 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "5"]
[White "Hahn, David"]
[Black "Lang, J2222"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 g6 5. e4 Bg7 6. Nge2 d6 7. d3 Bd7 8. Be3 Qa5 9. 0-0 h5 10. f3 h4 11. g4 h3 12. Bh1 Bxg4 13. fxg4 Nxg4 14. Bf4 Nd4 15. Bf3 Nxf3+ 16. Rxf3 0-0-0 17. Qa4 Qb6 18. Rb1 e6 19. Qb5 Qc7 20. b4 a6 21. Qa5 Qxa5 22. bxa5 f5 23. Rb6 Kc7 24. Rg3 Rh5 25. exf5 gxf5 26. Na4 e5 27. Bd2 Bf6 28. Nac3 Bh4 29. Nd5+ Kb8 30. Rf3 Rg8 31. Ng3 Bxg3 32. Rxg3 f4 33. Nxf4 exf4 34. Bxf4 Nf6 35. Rxd6 Rxg3+ 36. Bxg3 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "7"]
[White "Hahn, David"]
[Black "Rajlich, Vasik G"]
[Result "0-1"]
[ECO "A20"]
[PlyCount "80"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. d4 exd4 4. Qxd4 Qf6 5. Nf3 Bg7 6. Qxf6 Nxf6 7. Nc3 0-0 8. Bg2 Nc6 9. 0-0 d6 10. Nb5 Ne8 11. Rd1 Be6 12. Nd2 a5 13. Rb1 a4 14. Bxc6 bxc6 15. Na3 Nf6 16. e4 Bh3 17. Nc2 Rae8 18. f3 Nd7 19. b3 f5 20. Bb2 Bxb2 21. Rxb2 Nc5 22. bxa4 fxe4 23. Nxe4 Nxe4 24. fxe4 Rxe4 25. Nb4 Rxc4 26. a5 Rb8 27. Rdb1 Kg7 28. a6 Ra8 29. Re1 Kf6 30. a3 h5 31. Rf2+ Kg5 32. Rf7 c5 33. Rxc7 Rd4 34. Nc6 Rd2 35. a7 Rg2+ 36. Kh1 Ra2 37. Ne5 dxe5 38. Rxe5+ Kf6 39. Rexc5 Rxa7 40. R7c6+ Ke7 0-1

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "3"]
[White "Hahn, David"]
[Black "Thomas, H."]
[Result "1-0"]
[ECO "A92"]
[PlyCount "43"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. 0-0 0-0 6. d4 a5 7. Nc3 Na6 8. b3 Ne4 9. Bb2 Bf6 10. e3 c5 11. Nxe4 fxe4 12. Ne1 d5 13. f3 cxd4 14. exd4 exf3 15. Nxf3 Nc7 16. Ba3 Rf7 17. Ne5 Bxe5 18. dxe5 b5 19. Rxf7 Kxf7 20. Qh5+ Kg8 21. Rf1 b4 22. Qf7+ 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "2"]
[White "Hahn, David"]
[Black "Triplett, Thomas L"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 c6 6. Bg5 Qa5 7. Qd2 a6 8. Bd3 b5 9. Nge2 Nbd7 10. 0-0 Bb7 11. Kh1 0-0 12. a3 bxc4 13. Bxc4 Qc7 14. Ba2 a5 15. Rac1 Ba6 16. Nd5 Nxd5 17. exd5 c5 18. dxc5 dxc5 19. Bxe7 Rfe8 20. d6 Qb7 21. Bd5 Qxb2 22. Bxf7+ Kh8 23. Rc2 Qb8 24. Re1 Bxe2 25. Qxe2 Rc8 26. Qe6 Qb5 27. Rc4 Nf8 28. Qh3 Rcb8 29. Bxf8 Bxf8 30. Bxg6 h6 31. Rh4 Ra7 32. Bf5 Rf7 33. Rxh6+ Bxh6 34. Qxh6+ Kg8 35. Be6 Qd3 36. Bxf7+ 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "1"]
[White "Levadi, David"]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "48"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. Bg2 f5 4. d4 e4 5. Nfd2 Nf6 6. c4 c6 7. e3 Na6 8. 0-0 Be7 9. Nc3 0-0 10. a3 Be6 11. b4 Nc7 12. Bb2 Qe8 13. Ne2 Kh8 14. Bh3 d5 15. Nf4 Bd7 16. cxd5 cxd5 17. Rc1 Rc8 18. f3 g5 19. Ne2 exf3 20. Nc3 g4 21. Nxf3 gxf3 22. Rxf3 Ne4 23. Nxe4 fxe4 24. Rxf8+ Bxf8 0-1

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "4"]
[White "Tate, Emory"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2350"]
[PlyCount "75"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Nc6 5. d5 Ne5 6. Bb3 Bg7 7. f4 Ned7 8. Qe2 c6 9. dxc6 bxc6 10. Nf3 Qa5 11. Bd2 Ba6 12. Bc4 Bxc4 13. Qxc4 Qc5 14. Qxc5 Nxc5 15. e5 Nfe4 16. Nxe4 Nxe4 17. Be3 dxe5 18. fxe5 g5 19. g4 h5 20. Rg1 hxg4 21. Rxg4 f5 22. exf6 Nxf6 23. Rg2 g4 24. Nd4 Nd5 25. Bg1 c5 26. Ne6 Bxb2 27. Rd1 Rh6 28. Re2 Bc3+ 29. Kf2 Bd4+ 30. Nxd4 cxd4 31. Rxd4 0-0-0 32. Rxg4 Rc6 33. Ke1 Nc3 34. Rxe7 Nxa2 35. c4 a5 36. Ra7 Nb4 37. Rgg7 Ra6 38. Rab7 1-0

[Event "Flint-ch MI M/X"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "1"]
[White "Calton, DW."]
[Black "Hahn, David"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "34"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 b5 6. d5 b4 7. e5 dxe5 8. dxc6 bxc3 9. Bb5 Qc7 10. a4 cxb2 11. Ra3 Bg7 12. a5 0-0 13. Bb6 axb6 14. axb6 Qxb6 15. Rxa8 Qxb5 16. c7 Qb4+ 17. Kf2 Qb6+ 0-1

[Event "Lansing-ch MI op-A"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "5"]
[White "Calton, DW."]
[Black "Hahn, David"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "71"]
[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 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. h3 Nc6 7. c3 e5 8. Bg5 Qe8 9. Nbd2 Nh5 10. dxe5 dxe5 11. Qb3 Nf4 12. Bb5 a6 13. Qa3 Be6 14. Bxc6 Qxc6 15. Bxf4 exf4 16. Nd4 Qb6 17. Nxe6 Qxe6 18. Qb4 Rad8 19. Nf3 b6 20. Rfe1 c5 21. Qa4 b5 22. Qc2 b4 23. e5 bxc3 24. Qxc3 Rd5 25. Re4 h6 26. Rae1 g5 27. b3 Re8 28. Qc4 Rb8 29. Qe2 Rb4 30. Rxb4 cxb4 31. Qe4 a5 32. Qc4 Bxe5 33. Qe4 Bg7 34. Qxe6 fxe6 35. Rxe6 Rd1+ 36. Re1 1/2-1/2

[Event "Lansing-ch MI op-A"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "3"]
[White "Finegold, Benjamin"]
[Black "Hahn, David"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2490"]
[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. d4 d6 2. Nf3 g6 3. c4 f5 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Ng5 Qe7 12. Bf4 Rad8 13. Rad1 Ng4 14. Nd5 Qe8 15. Qa3 Ne5 16. b3 Rd7 17. Be3 Bxd5 18. cxd5 c5 19. Ne6 Rff7 20. h3 Rfe7 21. Bg5 Bh8 22. Qa4 Rf7 23. f4 h6 24. Bxh6 Rh7 25. Bg5 Nf7 26. Bh4 g5 27. fxg5 Ne5 28. Rxf5 Ng6 29. Rdf1 1-0

[Event "Lansing-ch MI op-A"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "2"]
[White "Hahn, David"]
[Black "Clark, Kevin"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "115"]
[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. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. g3 d5 8. Bg2 Bb4 9. Qa4 Bxc3+ 10. bxc3 Bd7 11. Ba3 Ne4 12. Bxe4 dxe4 13. 0-0 c5 14. Qa5 0-0 15. Qxc5 Re8 16. Rad1 Qc8 17. Rd4 Bg4 18. Re1 h5 19. Bc1 Qa6 20. h3 Bxh3 21. Qxh5 Qe6 22. Bf4 Rac8 23. Qc5 a6 24. Rd5 Qb6 25. Be3 Be6 26. Re5 Qxc5 27. Rxc5 Bg4 28. Bf4 c6 29. Be3 f6 30. Kg2 Rc7 31. f3 exf3+ 32. exf3 Bd7 33. Kf2 Rb7 34. Re2 Rb1 35. Rd2 Bh3 36. Rxc6 Rf1+ 37. Ke2 Rg1 38. Kd3 Rxg3 39. Rf2 Rg1 40. Rd6 Re1 41. Bd2 Bf5+ 42. Kd4 R1e6 43. c5 Re2 44. Rxe2 Rxe2 45. Kc4 Rf2 46. f4 Kf7 47. c6 Ke7 48. Rd4 g5 49. fxg5 fxg5 50. Bxg5+ Ke8 51. c7 Be6+ 52. Kd3 Rf5 53. Rd8+ Kf7 54. Be3 Ra5 55. c8Q Bxc8 56. Rxc8 Ke7 57. Rc4 Rxa2 58. Rd4 1-0

[Event "Flint-ch MI M/X"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "3"]
[White "Hahn, David"]
[Black "Finegold, Benjamin"]
[Result "1/2-1/2"]
[ECO "A03"]
[BlackElo "2490"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 c6 4. f4 Nbd7 5. Nf3 Qc7 6. Nc3 e5 7. e4 dxe4 8. Nxe4 Nxe4 9. dxe4 Bc5 10. Qe2 0-0 11. f5 a5 12. g4 b6 13. Be3 Ba6 14. Qf2 Qd6 15. Rd1 Qe7 16. g5 Rfd8 17. Bf1 Bxe3 18. Qxe3 Bxf1 19. Kxf1 Qb4 20. b3 Nc5 21. Kg2 f6 22. gxf6 gxf6 23. Nxe5 Rxd1 24. Rxd1 fxe5 25. Qg5+ Kf7 26. Qh5+ Kg8 27. Qg5+ Kf7 28. Qh5+ 1/2-1/2

