[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2004.05.05"]
[Round "5"]
[White "Sigman, David"]
[Black "McCann, Desia"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "948"]
[BlackElo "338"]
[PlyCount "49"]
[EventDate "2004.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 Nc6 3. d5 exd5 4. exd5 Na5 5. b4 Nc6 6. dxc6 Bxb4+ 7. c3 Bc5 8. cxd7+ Bxd7 9. Nf3 a6 10. Bc4 Nh6 11. Bxh6 gxh6 12. 0-0 Bd6 13. Qd5 Rf8 14. Re1+ Be6 15. Nd4 Rg8 16. Qxb7 Rc8 17. Nxe6 Qf6 18. Qc6+ Ke7 19. Nc5+ Kf8 20. Nd7+ Kg7 21. Nxf6 Kxf6 22. Qf3+ Kg7 23. Qxf7+ Kh8 24. Bd3 Rcf8 25. Qxh7# 1-0

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2004.04.18"]
[Round "4"]
[White "Sigman, David"]
[Black "Harvey, Jimmie"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "948"]
[PlyCount "56"]
[EventDate "2004.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 Ng4 8. Bd3 Nxe3 9. fxe3 Qb6 10. Nxc6 dxc6 11. 0-0-0 Be6 12. Kb1 0-0 13. Na4 Qc7 14. Qb4 b6 15. Nc3 a5 16. Qa3 b5 17. Bxb5 cxb5 18. Nxb5 Qb6 19. Nc3 Rac8 20. Nd5 Bxd5 21. Rxd5 Rb8 22. e5 Qc6 23. Qd3 e6 24. Rd6 Rxb2+ 25. Kxb2 Bxe5+ 26. Kc1 Bxd6 27. Re1 Ba3+ 28. Kd2 Qxg2+ 0-1

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2004.04.17"]
[Round "1"]
[White "Bora, Safal"]
[Black "Sigman, David"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "948"]
[PlyCount "48"]
[EventDate "2004.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Ng5 e6 6. 0-0 Nfd7 7. d4 Nc6 8. d5 exd5 9. exd5 Nce5 10. b3 0-0 11. Bf4 Nxc4 12. bxc4 Bxc3 13. Rc1 Be5 14. Bxe5 Nxe5 15. Ne4 Bf5 16. Ng3 Qf6 17. Qd4 Nf3+ 18. gxf3 Qxd4 19. Rcd1 Qxc4 20. Nxf5 gxf5 21. a3 Kh8 22. Rc1 Rg8+ 23. Kh1 Qxd5 24. Rfd1 Qxf3# 0-1

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2004.04.17"]
[Round "2"]
[White "Sigman, David"]
[Black "Schier, Manfred"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "948"]
[PlyCount "45"]
[EventDate "2004.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d6 4. d4 f5 5. Bg5 Be7 6. exf5 Bxg5 7. d5 Nb8 8. Bd3 Be7 9. Nbd2 Nf6 10. Ng5 g6 11. fxg6 hxg6 12. Bxg6+ Kf8 13. Qf3 Kg7 14. Bf5 Rh5 15. Ne6+ Bxe6 16. Qg3+ Kh8 17. Bxe6 Nbd7 18. Nf3 Ne4 19. Qg6 Ndf6 20. 0-0 Qf8 21. Rfe1 Rh6 22. Qf5 Rh5 23. Qg6 1/2-1/2

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2004.04.17"]
[Round "3"]
[White "Smith, Jalen"]
[Black "Sigman, David"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "916"]
[BlackElo "948"]
[PlyCount "76"]
[EventDate "2004.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d5 5. b3 Bg4 6. c4 Nc6 7. Bb2 0-0 8. Nbd2 Nb4 9. Be2 Bxf3 10. gxf3 Qd6 11. e4 Nh5 12. e5 Qe6 13. cxd5 Qxd5 14. Bc4 Qd8 15. Rc1 Qd7 16. Qe2 Nf4 17. Qe4 Nfd5 18. Bxd5 Nxd5 19. 0-0 e6 20. Rc2 Qe7 21. f4 f5 22. Qf3 Bh6 23. a4 Qh4 24. Qg3 Qxf4 25. Qxf4 Bxf4 26. Ba3 Rfd8 27. Nf3 Kf7 28. h4 Rg8 29. Ng5+ Bxg5 30. hxg5 Rh8 31. f4 c6 32. Rh2 Ne3 33. Rf3 Ng4 34. Rh4 h6 35. gxh6 Rxh6 36. Rxh6 Nxh6 37. Rh3 Kg7 38. Be7 Ng4 1-0

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2003.04.27"]
[Round "4"]
[White "Calleros, Fransisco"]
[Black "Sigman, David"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "51"]
[EventDate "2003.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nf6 5. 0-0 Bg4 6. d3 Qd7 7. h3 Bxh3 8. gxh3 Qxh3 9. Ng5 Qh4 10. Nxf7 Ng4 11. Bf4 Rf8 12. Nb5 Kd7 13. Bg3 Qh3 14. Qf3 Rxf7 15. Qxf7 Be5 16. Qe6+ Kc6 17. Bxe5 Nxe5 18. Qxh3 Nxc4 19. dxc4 Nd7 20. Nd4+ Kc5 21. Rfd1 Ne5 22. Ne6+ Kc6 23. Nd4+ Kc5 24. b4+ Kxb4 25. Qb3+ Kc5 26. Qb5# 1-0

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2003.04.26"]
[Round "1"]
[White "Sigman, David"]
[Black "Almasy, Dale"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "924"]
[PlyCount "64"]
[EventDate "2003.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. d3 Be7 4. Bg2 d5 5. Nbd2 e4 6. dxe4 dxe4 7. Nxe4 Qxd1+ 8. Kxd1 Bf5 9. Nfd2 Bxe4 10. Bxe4 Ne5 11. h3 Rd8 12. b3 Nf6 13. f3 0-0 14. Ke1 Bb4 15. a3 Bc3 16. Rb1 Rd7 17. Bd3 Nxd3+ 18. cxd3 Nh5 19. Kf2 Re8 20. Ne4 Be5 21. Rg1 Bd4+ 22. Be3 Red8 23. Rbc1 f5 24. Bxd4 fxe4 25. Bxa7 exd3 26. exd3 Rxd3 27. Rxc7 Rd2+ 28. Ke3 R8d3+ 29. Ke4 Nf6+ 30. Kf5 Rxf3+ 31. Kg5 Rd5+ 32. Kh4 g5# 0-1

[Event "Auburn Hills op"]
[Site "Auburn Hills"]
[Date "2003.04.26"]
[Round "3"]
[White "Sigman, David"]
[Black "Love, Skyler"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "91"]
[EventDate "2003.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Bxf3 4. Bxf3 Nf6 5. d3 e5 6. Nd2 Nc6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Bc5 10. 0-0 0-0 11. a3 f5 12. Bg2 f4 13. Qg4 g5 14. Be4 Nd4 15. c3 Nc2 16. Ra2 Be7 17. b4 Ne3 18. Qe6+ Rf7 19. fxe3 Qe8 20. Bd5 c6 21. Bb3 Kg7 22. Qxf7+ Qxf7 23. Bxf7 Kxf7 24. Raf2 Kg7 25. exf4 exf4 26. gxf4 g4 27. f5 Rf8 28. Rf4 h5 29. Re4 Kf6 30. Kg2 Bd6 31. Re6+ Kg7 32. Bh6+ Kf7 33. Bxf8 Bxf8 34. Kg3 Be7 35. Rxe7+ Kxe7 36. Kh4 Kf6 37. Kxh5 b6 38. Kxg4 c5 39. h4 cxb4 40. cxb4 a5 41. b5 a4 42. h5 Kg7 43. f6+ Kg8 44. f7+ Kg7 45. f8Q+ Kh7 46. Rf7# 1-0

