[Event "Kalamazoo op"]
[Site "Kalamazoo"]
[Date "2002.10.20"]
[Round "4.28"]
[White "Carter, Michael"]
[Black "Jacobson, John"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "627"]
[PlyCount "129"]
[EventDate "2002.10.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 d5 3. Nc3 dxc4 4. e3 Be6 5. d5 Bg4 6. Qxg4 Ne5 7. Qd1 Nd3+ 8. Bxd3 cxd3 9. Qxd3 g6 10. Qd4 Nf6 11. Nf3 Bg7 12. 0-0 0-0 13. e4 b6 14. Bg5 c5 15. Qd3 h6 16. Bxf6 Bxf6 17. e5 Bg5 18. Rad1 e6 19. dxe6 fxe6 20. Qxd8 Rfxd8 21. Rxd8+ Rxd8 22. Rd1 Rf8 23. Nxg5 hxg5 24. Nb5 Rf5 25. Nxa7 Rxe5 26. Nc6 Re2 27. Rb1 c4 28. Nd4 Rd2 29. Nxe6 g4 30. f3 gxf3 31. gxf3 Kf7 32. Nf4 g5 33. Ng2 b5 34. f4 g4 35. b3 Rxa2 36. bxc4 bxc4 37. Ne3 g3 38. hxg3 c3 39. Rc1 Ra3 40. Nd1 c2 41. Rxc2 Rxg3+ 42. Kh2 Rg6 43. f5 Rg5 44. Ne3 Kg7 45. Rg2 Rxg2+ 46. Kxg2 Kf6 47. Kg3 Kg5 48. Kf3 Kf6 49. Ke4 Kg5 50. Ke5 Kh6 51. Ke6 Kg5 52. f6 Kf4 53. f7 Kxe3 54. f8R Ke4 55. Ra8 Kf4 56. Ra5 Ke4 57. Ra4+ Kd3 58. Ke5 Kc3 59. Kd5 Kd3 60. Ra3+ Ke2 61. Kd4 Kf2 62. Ke4 Ke2 63. Ra2+ Kd1 64. Ke3 Ke1 65. Ra1# 1-0

[Event "Kalamazoo op"]
[Site "Kalamazoo"]
[Date "2002.10.20"]
[Round "5.30"]
[White "Jacobson, John"]
[Black "Grant, Tim"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "47"]
[EventDate "2002.10.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 a6 3. Nc3 b5 4. g3 f6 5. Bg2 e5 6. 0-0 Nh6 7. Bxh6 gxh6 8. d5 Ne7 9. d6 cxd6 10. Qxd6 Ng6 11. Qd3 Be7 12. Nd2 0-0 13. Bxa8 d5 14. Qxd5+ Be6 15. Qxe6+ Rf7 16. Bd5 Nf8 17. Qxf7+ Kh8 18. f4 f5 19. fxe5 h5 20. Rxf5 Bc5+ 21. e3 Bxe3+ 22. Kf1 Bh6 23. Rxh5 Bxd2 24. Qg8# 1-0

[Event "Kalamazoo op"]
[Site "Kalamazoo"]
[Date "2002.10.19"]
[Round "3.24"]
[White "Jacobson, John"]
[Black "Kilburn, Gregory"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1223"]
[PlyCount "80"]
[EventDate "2002.10.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Be2 Bg7 5. Nf3 0-0 6. Bc4 a6 7. Be3 b5 8. Qd3 bxc4 9. Qxc4 Nbd7 10. Qd3 Rb8 11. Rb1 Bb7 12. 0-0 Qc8 13. Nd5 Nxd5 14. exd5 Bxd5 15. Nd2 c5 16. c3 Bxa2 17. Ra1 c4 18. Qe4 Bb3 19. d5 Ra8 20. Bg5 Re8 21. Ra3 Nc5 22. Qe3 a5 23. Qe2 Qa6 24. Bxe7 Bf6 25. Qe3 Bxe7 26. Ne4 Bd8 27. Qf3 Nxe4 28. Re1 f5 29. Raa1 Bb6 30. g3 Bxf2+ 31. Kf1 Nd2+ 32. Kg2 Nxf3 33. Rf1 Bc5 34. Rxf3 Re2+ 35. Kh3 Rxb2 36. Re1 Kf7 37. Rfe3 Bxe3 38. Rxe3 Re8 39. Rf3 Ree2 40. Rf4 Rxh2# 0-1

[Event "Kalamazoo op"]
[Site "Kalamazoo"]
[Date "2002.10.19"]
[Round "1.23"]
[White "Jacobson, John"]
[Black "Post, Robert"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1516"]
[PlyCount "84"]
[EventDate "2002.10.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. e5 dxe5 6. dxe5 Qxd1+ 7. Nxd1 Ng4 8. Bb5+ c6 9. h3 Nxe5 10. Nxe5 Bxe5 11. Bc4 Bf5 12. Ne3 Nd7 13. Nxf5 gxf5 14. 0-0 e6 15. Bh6 Nb6 16. Bd3 Bxb2 17. Rab1 Bf6 18. c4 0-0-0 19. Rbd1 Rhg8 20. c5 Na4 21. Bc2 Nxc5 22. Be3 b6 23. Rxd8+ Rxd8 24. g4 fxg4 25. hxg4 Rh8 26. g5 Be5 27. Re1 Bc3 28. Re2 e5 29. Bxc5 bxc5 30. Re3 Bd4 31. Bf5+ Kc7 32. Ra3 c4 33. Rxa7+ Bxa7 34. Kg2 c3 35. Bc2 Rd8 36. Bxh7 Rd2 37. g6 fxg6 38. Bxg6 Rxf2+ 39. Kg1 Rxa2+ 40. Kf1 c2 41. Bxc2 Rxc2 42. Ke1 Kd6 0-1

[Event "Kalamazoo op"]
[Site "Kalamazoo"]
[Date "2002.10.19"]
[Round "2.23"]
[White "Vinton, Troy"]
[Black "Jacobson, John"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1103"]
[PlyCount "27"]
[EventDate "2002.10.19"]
[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 e5 2. Nf3 Nc6 3. Bc4 Qe7 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 Nf6 7. Bg5 b6 8. Nd2 Bb7 9. 0-0 Bxe4 10. Nxe4 Nxe4 11. Bxe7 Bxe7 12. Qxe4 0-0 13. Bd3 c5 14. Qxh7# 1-0

