[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.06"]
[Round "7"]
[White "Schmidt, Christopher"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1322"]
[BlackElo "1360"]
[PlyCount "62"]
[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. Nf3 d5 2. g3 c6 3. Bg2 e6 4. 0-0 f5 5. d4 Bd6 6. Bg5 Qc7 7. Nc3 Nd7 8. Re1 h6 9. Bd2 Ndf6 10. e3 Bd7 11. a3 0-0-0 12. Na2 Ne4 13. Bb4 Be8 14. Bxd6 Qxd6 15. Ne5 g5 16. b4 Ne7 17. Nc1 Ng6 18. Ncd3 g4 19. Nxg6 Bxg6 20. Ne5 Rhg8 21. Qd3 Be8 22. c4 h5 23. cxd5 exd5 24. h4 gxh3 25. Bxh3 h4 26. Bxf5+ Kb8 27. Bxe4 dxe4 28. Qxe4 hxg3 29. fxg3 Rxg3+ 30. Kf2 Rh3 31. Qf4 Ka8 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.06"]
[Round "6"]
[White "Vorhauer, Sam"]
[Black "Mandell, Sheldon"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1360"]
[BlackElo "1099"]
[PlyCount "94"]
[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 d5 2. c3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 c6 6. f4 Nbd7 7. Nd2 g6 8. Ngf3 Bg7 9. Ne5 Qc7 10. Ndf3 Ne4 11. g4 f6 12. Nxd7 Qxd7 13. h3 h5 14. g5 h4 15. b3 Qf5 16. Bb2 Ng3 17. Qxf5 Nxf5 18. Kd2 Ng3 19. Rhg1 Ne4+ 20. Ke2 Ng3+ 21. Ke1 0-0-0 22. Rg2 Rd6 23. Nxh4 Rxh4 24. Rxg3 f5 25. Kf2 Re6 26. Rf3 Rd6 27. Kg2 Rh5 28. b4 b6 29. a4 Rd8 30. h4 Rdh8 31. Rh1 Kb7 32. Rf2 e6 33. Re2 a6 34. Rh2 Bf8 35. Ba3 b5 36. axb5 axb5 37. Ra2 Bd6 38. Bc1 Bc7 39. Bd2 Bb6 40. Be1 Re8 41. Bf2 Rhh8 42. Kh3 Rc8 43. Rh1 Rh5 44. Rha1 Re8 45. Rd1 Rd8 46. Rda1 Rd7 47. Rb1 Rd8 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.05"]
[Round "4"]
[White "Beagle, Brad"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1159"]
[BlackElo "1360"]
[PlyCount "81"]
[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 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Be7 7. Bc4 0-0 8. 0-0 c5 9. Nf3 b5 10. Be2 Bb7 11. e5 Ne4 12. Bxe7 Qxe7 13. Nxe4 Bxe4 14. exd6 Qb7 15. Re1 Nd7 16. b3 Rfe8 17. Bd3 f5 18. Bxe4 fxe4 19. Nd2 Nf6 20. c4 Rad8 21. Qc2 Rxd6 22. cxb5 axb5 23. Re3 Red8 24. Rd1 Rd3 25. h3 Qc6 26. f3 Rxe3 27. Nf1 Rxd1 28. Qxd1 Rd3 29. Qe2 Qd5 30. fxe4 Qxe4 31. Qc2 Qd4+ 32. Kh1 Qd5 33. Qf2 Rxh3+ 34. Kg1 Rh5 35. Ne3 Qd4 36. Nf5 Qd1+ 37. Qf1 Rh1+ 38. Kxh1 Qxf1+ 39. Kh2 Qxf5 40. a4 bxa4 41. bxa4 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.05"]
[Round "5"]
[White "Vorhauer, Sam"]
[Black "Mandell, Sheldon"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1360"]
[BlackElo "1099"]
[PlyCount "53"]
[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 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 e6 5. Nd2 a6 6. c3 Bd6 7. Ngf3 h6 8. e4 c6 9. e5 Bc7 10. Nb3 Nd7 11. Be3 Ne7 12. Nfd2 f6 13. f4 h5 14. Nf3 Nf5 15. g3 b5 16. Bd2 a5 17. Nh4 Nxh4 18. gxh4 a4 19. Nc1 Ra5 20. Rg1 f5 21. Qg3 Rf8 22. Qg6+ Rf7 23. Qxh5 Kf8 24. Nd3 Bb6 25. Rg6 c5 26. Rxe6 cxd4 27. Qh8# 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.04"]
[Round "3"]
[White "Vorhauer, Sam"]
[Black "Higgins, Richard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1360"]
[BlackElo "1046"]
[PlyCount "92"]
[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 d5 2. e3 e6 3. Bd3 Nf6 4. f4 Ne4 5. Nf3 Nd7 6. Nbd2 c5 7. c3 c4 8. Bxe4 dxe4 9. Nxe4 b6 10. Qc2 Bb7 11. Rf1 Nf6 12. Nxf6+ Qxf6 13. Qa4+ Kd8 14. Ne5 Qe7 15. Nc6+ Bxc6 16. Qxc6 Rc8 17. Qf3 Qd7 18. e4 g6 19. e5 Be7 20. Rf2 Rf8 21. Be3 b5 22. Rd2 Qd5 23. Kf2 a5 24. a3 Kd7 25. Qd1 a4 26. Qf3 h5 27. h3 Bh4+ 28. g3 Be7 29. Rad1 f6 30. Qxd5+ exd5 31. Kf3 Ke6 32. Re1 f5 33. g4 Rg8 34. Rg1 hxg4+ 35. hxg4 g5 36. Rdg2 gxf4 37. Bxf4 fxg4+ 38. Kg3 Rcf8 39. Rh1 Rh8 40. Rgh2 Rxh2 41. Rxh2 Kd7 42. Rh6 Bd8 43. Ra6 Bc7 44. e6+ Ke7 45. Bxc7 Rh8 46. Bd6+ Kxe6 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.03"]
[Round "1"]
[White "Vorhauer, Sam"]
[Black "Draper, Mervin"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1360"]
[BlackElo "1052"]
[PlyCount "81"]
[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 d5 2. e3 e6 3. Bd3 Nf6 4. c3 Be7 5. Nd2 0-0 6. Ngf3 b6 7. Qc2 Bb7 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Bxe4 11. Qxe4 Nd7 12. Be3 Nf6 13. Qc2 Rc8 14. 0-0-0 Qd6 15. Kb1 Qd5 16. h4 Qe4 17. Bg5 Qxc2+ 18. Kxc2 h6 19. Bxf6 Bxf6 20. g4 Rfd8 21. g5 Be7 22. gxh6 gxh6 23. Ne5 c5 24. Rhg1+ Kf8 25. Kb1 Bxh4 26. Rg4 Bg5 27. f4 f5 28. Rg2 Bf6 29. Rdg1 Bxe5 30. dxe5 Ke8 31. Rg6 Kd7 32. Rxh6 Re8 33. Rd1+ Kc6 34. Rd6+ Kb5 35. Rhxe6 Rxe6 36. Rxe6 Kc4 37. Rd6 Re8 38. Kc2 Kb5 39. b3 c4 40. a4+ Kc5 41. b4# 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.09.02"]
[Round "6"]
[White "Vorhauer, Sam"]
[Black "Guilfoyle, Jeffrey P"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1381"]
[BlackElo "1353"]
[PlyCount "84"]
[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. d4 d5 2. e3 Nf6 3. Nf3 Nc6 4. c3 Bg4 5. Bd3 e5 6. dxe5 Nxe5 7. Qa4+ Nc6 8. Ne5 Bd7 9. Nxd7 Qxd7 10. Qb3 Na5 11. Qc2 Bd6 12. b4 Nc4 13. Nd2 b5 14. Bf5 Qe7 15. Nf3 0-0 16. 0-0 Ne4 17. Bxe4 dxe4 18. Nd4 a6 19. Nf5 Qe5 20. Nxd6 Nxd6 21. Bb2 Nc4 22. Rad1 Qe7 23. Rd4 f5 24. Rfd1 Rad8 25. Qe2 Rd6 26. Bc1 Qe6 27. Rxd6 cxd6 28. f4 Qf6 29. Rd4 Rc8 30. Bd2 g5 31. g3 gxf4 32. exf4 Qg6 33. Kg2 Kf8 34. Be3 Qg4 35. Qxg4 Nxe3+ 36. Kh1 Nxg4 37. Rxd6 e3 38. h3 e2 39. Re6 Re8 40. Rxe2 Rxe2 41. hxg4 fxg4 42. a4 bxa4 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.09.01"]
[Round "5"]
[White "Asbury, Victor"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1557"]
[BlackElo "1381"]
[PlyCount "99"]
[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 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. e4 Be7 6. Nf3 d6 7. 0-0 0-0 8. d3 Nd4 9. Be3 Nxf3+ 10. Bxf3 a6 11. a4 Bd7 12. Bg2 Bc6 13. f4 Nd7 14. d4 cxd4 15. Bxd4 Bf6 16. b3 Re8 17. Qd2 Qc7 18. Rad1 Rad8 19. b4 b6 20. b5 Bb7 21. Qe2 e5 22. Be3 exf4 23. Bxf4 Be5 24. Nd5 Bxd5 25. cxd5 Nc5 26. Rc1 a5 27. Rc4 f6 28. Rfc1 Qe7 29. Be3 f5 30. Qh5 g6 31. Qg5 Bf6 32. Qf4 Be5 33. Qf2 fxe4 34. Bxe4 Rf8 35. Qd2 Rf7 36. Bg2 Qf8 37. Bh6 Bg7 38. Bg5 Re8 39. Bh3 Nb3 40. Qc2 Nxc1 41. Be6 Rxe6 42. dxe6 Rf1+ 43. Kg2 Qf3+ 44. Kh3 Rf2 45. Rc8+ Bf8 46. Qxf2 Qxf2 47. e7 Qf5+ 48. g4 Qxc8 49. exf8Q+ Qxf8 50. Bxc1 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.08.31"]
[Round "3"]
[White "Monge, Jeff"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1575"]
[BlackElo "1381"]
[PlyCount "120"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 Be7 6. e3 h6 7. Bh4 Nbd7 8. Bd3 Qc7 9. Rc1 a6 10. cxd5 exd5 11. Bg3 Qd8 12. 0-0 Nb6 13. h3 Bd6 14. Ne5 Qe7 15. Qc2 Be6 16. Ne2 Rc8 17. Qb3 Qd8 18. Bh4 g5 19. Bg3 Ne4 20. Qc2 Bf5 21. Bh2 Bh7 22. f3 Nf6 23. Bxh7 Rxh7 24. f4 Ne4 25. Ng3 Rg7 26. Nxe4 dxe4 27. Qxe4 Kf8 28. fxg5 hxg5 29. Qf5 Qe8 30. Rf3 Kg8 31. Rcf1 Rc7 32. Ng4 Bxh2+ 33. Kxh2 Qe6 34. Qxe6 fxe6 35. Rf8+ Kh7 36. R1f6 Rg6 37. R6f7+ Rxf7 38. Rxf7+ Kg8 39. Rxb7 Nd5 40. e4 Nf6 41. Ne5 Rh6 42. Nxc6 g4 43. e5 Ne4 44. Ra7 gxh3 45. gxh3 Nf2 46. Rxa6 Nxh3 47. Kg3 Ng5 48. Kg4 Nf7 49. b4 Rg6+ 50. Kf4 Kh7 51. b5 Kh6 52. b6 Kh5 53. b7 Kh4 54. b8Q Rg4+ 55. Ke3 Rg3+ 56. Kd2 Kh3 57. Qb4 Ng5 58. Ra3 Ne4+ 59. Kc2 Kg4 60. Rxg3+ Nxg3 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.08.31"]
[Round "2"]
[White "Vorhauer, Sam"]
[Black "Grzegorczyk, Ron"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1381"]
[BlackElo "1578"]
[PlyCount "144"]
[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. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Be7 5. Nbd2 a6 6. b3 Nbd7 7. Bb2 b5 8. 0-0 Bb7 9. c3 0-0 10. Re1 g6 11. Qc2 Rc8 12. Rac1 Kg7 13. Qb1 Ne8 14. e4 dxe4 15. Bxe4 Bxe4 16. Nxe4 Nd6 17. Nc5 Nxc5 18. dxc5 Nf5 19. c4+ Bf6 20. Rcd1 Qe7 21. Bxf6+ Qxf6 22. Ne5 Rfd8 23. Nd7 Qe7 24. c6 bxc4 25. bxc4 f6 26. Qb2 e5 27. Qc3 Qe6 28. Nc5 Qxc6 29. Nd3 Kf7 30. Nb4 Qe6 31. Nd5 c6 32. Nc7 Qe7 33. Nxa6 Rxd1 34. Rxd1 Nd4 35. Kh1 c5 36. Qa5 Ra8 37. Qb6 Qa7 38. Qxa7+ Rxa7 39. Nxc5 Rxa2 40. Nb7 Rxf2 41. Kg1 Rc2 42. c5 Ke7 43. h3 Kd7 44. Rb1 Kc7 45. Nd6 Kc6 46. Rb8 Rxc5 47. Ne4 Rc1+ 48. Kh2 Kc7 49. Ra8 Kb7 50. Ra2 f5 51. Rb2+ Kc7 52. Nf6 h6 53. Ra2 Rc6 54. Ra7+ Kb6 55. Rf7 Kb5 56. Nd5 Kc4 57. Nf6 e4 58. Nd7 Kc3 59. Nf6 g5 60. Nd5+ Kc4 61. Ne3+ Kd3 62. Nxf5 Nxf5 63. Rxf5 e3 64. Rd5+ Ke2 65. Kg3 Rf6 66. Ra5 Rf4 67. Ra2+ Kd3 68. Ra3+ Ke4 69. Ra4+ Kf5 70. Ra5+ Kg6 71. Re5 h5 72. Rxe3 h4+ 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2002.08.30"]
[Round "1"]
[White "Goetz, Robert"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1614"]
[BlackElo "1381"]
[PlyCount "69"]
[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. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c6 6. Nge2 Bb4 7. 0-0 Bxc3 8. bxc3 0-0 9. Ng3 Nbd7 10. f4 Nd5 11. Qc2 f5 12. e4 fxe4 13. Nxe4 N7f6 14. Bd3 g6 15. Bd2 Ng4 16. Rae1 b6 17. Ng5 Rf6 18. h3 Nh6 19. Ne4 Rf8 20. Ng5 Rf6 21. c4 Nc7 22. Bc3 Qe8 23. Be4 Rf8 24. d5 cxd5 25. cxd5 Bb7 26. Nxe6 Nxe6 27. dxe6 Bxe4 28. Qxe4 Qb5 29. e7 Rfe8 30. Qe6+ Nf7 31. Qf6 Qc5+ 32. Bd4 Qxd4+ 33. Qxd4 Rec8 34. Qd7 Nh6 35. Qxc8+ 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.03"]
[Round "7"]
[White "Vorhauer, Sam"]
[Black "Grzegorczyk, Ron"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1392"]
[BlackElo "1511"]
[PlyCount "66"]
[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 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 g6 5. b3 Bg7 6. Bb2 0-0 7. Nbd2 Nbd7 8. c3 Re8 9. 0-0 a6 10. Qc2 c5 11. Rfe1 b5 12. Qb1 c4 13. Bc2 Ng4 14. h3 Nh6 15. e4 Bb7 16. e5 f6 17. Bc1 fxe5 18. Nxe5 Nxe5 19. dxe5 Nf7 20. Nf3 Qc7 21. Bf4 Rac8 22. b4 Rf8 23. g3 Bh6 24. Bxh6 Nxh6 25. Nd4 Qf7 26. f4 Nf5 27. Bxf5 gxf5 28. Qd1 Qg6 29. Kf2 Kf7 30. Rh1 Rg8 31. Qf3 h5 32. Rhg1 Rg7 33. Rg2 Bc6 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.03"]
[Round "6"]
[White "Vorhauer, Sam"]
[Black "Moroney, Timothy"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1392"]
[BlackElo "1581"]
[PlyCount "116"]
[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 Nf6 2. Nf3 d5 3. e3 Bf5 4. Bd3 Bg6 5. c3 e6 6. Qc2 Nbd7 7. Nbd2 c5 8. Bxg6 hxg6 9. Ne5 Bd6 10. Ndf3 Ke7 11. Bd2 Bxe5 12. Nxe5 Nxe5 13. dxe5 Ng4 14. f4 Nxh2 15. 0-0-0 Ng4 16. Rdf1 d4 17. cxd4 Rc8 18. Kb1 Qc7 19. Rxh8 Rxh8 20. Qxc5+ Qxc5 21. dxc5 Rh2 22. Kc2 Rxg2 23. Kc3 Nf2 24. Bc1 g5 25. a4 Ne4+ 26. Kd4 Ng3 27. Rd1 Ne2+ 28. Kd3 Nxc1+ 29. Rxc1 Rxb2 30. c6 bxc6 31. Rxc6 Rb3+ 32. Ke2 gxf4 33. Rc7+ Ke8 34. exf4 a5 35. Ra7 Rb4 36. Rxa5 Rxf4 37. Ke3 Rb4 38. Ra8+ Kd7 39. Ra7+ Kc6 40. Rxf7 Rxa4 41. Rxg7 Kd5 42. Rd7+ Kxe5 43. Re7 Ra3+ 44. Kd2 Kd4 45. Rd7+ Ke4 46. Re7 e5 47. Ke2 Ra2+ 48. Kd1 Kd3 49. Kc1 e4 50. Rd7+ Ke2 51. Rh7 Ra1+ 52. Kb2 Rf1 53. Kc2 e3 54. Re7 Kf2 55. Rf7+ Ke1 56. Re7 e2 57. Kc1 Kf2+ 58. Kd2 e1Q+ 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.02"]
[Round "4"]
[White "Vorhauer, Sam"]
[Black "Steen, Harold"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1392"]
[BlackElo "1602"]
[PlyCount "160"]
[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 f5 2. Nf3 d6 3. e3 Nf6 4. Bd3 g6 5. b3 Bg7 6. Bb2 0-0 7. c4 Nc6 8. d5 Nb4 9. a3 Nxd3+ 10. Qxd3 e5 11. dxe6 Bxe6 12. Nbd2 Bd7 13. 0-0 Bc6 14. Bxf6 Qxf6 15. Rab1 b6 16. Qc2 a6 17. Rfe1 g5 18. Kh1 g4 19. Nd4 Bb7 20. Ne2 h5 21. Nf4 h4 22. Kg1 c6 23. Nh5 Qg5 24. Nxg7 Qxg7 25. b4 g3 26. fxg3 hxg3 27. h3 Rae8 28. c5 d5 29. Nf3 b5 30. Rbd1 Bc8 31. Qd2 Re4 32. Nd4 Bd7 33. Rf1 Qe5 34. Rde1 f4 35. Nf3 Qf6 36. Nd4 Qh6 37. exf4 Rexf4 38. Rxf4 Qxf4 39. Qxf4 Rxf4 40. Nf3 Rc4 41. Ne5 Rc3 42. Nxd7 Rxa3 43. Ne5 d4 44. Rd1 a5 45. bxa5 Rxa5 46. Nxc6 Ra4 47. Nxd4 Rc4 48. c6 b4 49. Kf1 b3 50. Nxb3 Rxc6 51. Ke2 Rf6 52. Rf1 Re6+ 53. Kd3 Rd6+ 54. Nd4 Ra6 55. Rf3 Rg6 56. Rf4 Kh7 57. Ke3 Ra6 58. Rh4+ Kg6 59. Rg4+ Kh5 60. Kf4 Ra5 61. Kxg3 Ra3+ 62. Nf3 Rb3 63. Rg5+ Kh6 64. h4 Ra3 65. Rf5 Kg6 66. Kg4 Ra4+ 67. Rf4 Ra2 68. g3 Ra3 69. Ne5+ Kh6 70. Rf3 Ra4+ 71. Kf5 Kh5 72. g4+ Kh6 73. Rf4 Ra5 74. g5+ Kh5 75. g6 Kh6 76. h5 Kxh5 77. g7 Ra8 78. Rf1 Kh6 79. Kf6 Ra6+ 80. Kf5 Kxg7 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.01"]
[Round "2"]
[White "Holden, Anthony"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1503"]
[BlackElo "1392"]
[PlyCount "83"]
[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 d5 2. e3 e6 3. Bd3 Bd6 4. f4 Nf6 5. Nd2 Nbd7 6. Ngf3 c5 7. c3 c4 8. Bc2 b5 9. Ne5 Bb7 10. h4 Ne4 11. g4 f6 12. Nxd7 Qxd7 13. Bxe4 dxe4 14. g5 f5 15. h5 0-0-0 16. b4 h6 17. a4 a6 18. axb5 axb5 19. g6 Qc6 20. Rh2 Kc7 21. Nb1 Ra8 22. Ra5 Rxa5 23. bxa5 Ba6 24. Ra2 Ra8 25. Qc2 b4 26. Ra1 b3 27. Qf2 Be7 28. Ba3 Bxa3 29. Rxa3 Bb5 30. Qb2 Ba4 31. Ra1 Rxa5 32. Qa3 Qd6 33. Nd2 Qxa3 34. Rxa3 b2 35. Nb1 Kb6 36. Kd2 Kb5 37. Ke1 Bb3 38. Kd2 Rxa3 39. Nxa3+ Ka4 40. Nb1 Ba2 41. Kc2 Bxb1+ 42. Kxb1 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.09.01"]
[Round "3"]
[White "Homa, Seth"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1551"]
[BlackElo "1392"]
[PlyCount "96"]
[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 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 c6 9. Bd3 Nd7 10. 0-0 0-0 11. c3 Re8 12. Qc2 h6 13. Rfe1 b6 14. Be4 Bb7 15. Rad1 Qd8 16. Ne5 Nxe5 17. dxe5 Qc7 18. Bf3 Red8 19. Rd4 c5 20. Rf4 Rd7 21. Bxb7 Qxb7 22. h3 Rad8 23. Rfe4 Qa6 24. Qb3 Rd2 25. c4 R8d3 26. Qb5 Qxb5 27. cxb5 Rxb2 28. a4 Rdd2 29. Rf1 Rdc2 30. g4 Rd2 31. Kg2 Rbc2 32. Kg3 g5 33. Kf3 Rc3+ 34. Kg2 Rcd3 35. Rfe1 Kf8 36. Rc4 Ke7 37. Rce4 Rd4 38. R1e3 c4 39. Rxd4 Rxd4 40. Rc3 f6 41. exf6+ Kxf6 42. Kf3 Ke5 43. Ke3 Kd5 44. f3 e5 45. Ra3 Kc5 46. Ra2 c3 47. Ke2 Kb4 48. Ra1 c2 0-1

[Event "Lansing op"]
[Site "Lansing"]
[Date "2001.08.31"]
[Round "1"]
[White "Vorhauer, Sam"]
[Black "Griffin, John P"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1392"]
[BlackElo "1561"]
[PlyCount "132"]
[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 d5 2. e3 Nc6 3. Nf3 Bg4 4. c3 Nf6 5. Bd3 e5 6. dxe5 Nxe5 7. Be2 Nxf3+ 8. Bxf3 Bxf3 9. Qxf3 Bd6 10. 0-0 Ne4 11. Nd2 Qh4 12. g3 Qe7 13. Nxe4 Qxe4 14. Qxe4+ dxe4 15. b3 0-0-0 16. Rd1 c6 17. Bb2 Be5 18. Kf1 f5 19. Ke2 g5 20. Rab1 Rhg8 21. Rbc1 h5 22. Ba1 c5 23. c4 Bh8 24. Rxd8+ Rxd8 25. Bxh8 Rxh8 26. Rd1 Rd8 27. Rxd8+ Kxd8 28. f4 exf3+ 29. Kxf3 Kd7 30. e4 Ke6 31. h3 Ke5 32. exf5 Kxf5 33. g4+ hxg4+ 34. hxg4+ Ke5 35. Ke3 a6 36. a3 b5 37. cxb5 axb5 38. a4 c4 39. a5 cxb3 40. Kd3 Kd5 41. Kc3 b2 42. Kxb2 Kc6 43. Kb3 Kc5 44. Ka3 b4+ 45. Ka4 Kc4 46. a6 b3 47. a7 b2 48. a8Q b1Q 49. Qc8+ Kd4 50. Qd7+ Kc5 51. Qe7+ Kc4 52. Qe6+ Kc5 53. Qe3+ Kc4 54. Qe6+ Kc3 55. Qc6+ Kd4 56. Qd6+ Kc3 57. Qe5+ Kc4 58. Qe6+ Kd4 59. Qd6+ Ke3 60. Qg3+ Ke4 61. Qg2+ Ke5 62. Qg3+ Kd5 63. Qa3 Qe4+ 64. Ka5 Qxg4 65. Qd3+ Ke5 66. Qe3+ Kf5 0-1

[Event "Lansing-ch MI C"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "1"]
[White "Ashton, Jeff"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "93"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. cxd5 exd5 6. e3 Be7 7. Bd3 h6 8. Bxf6 Bxf6 9. Nge2 Be6 10. Qc2 Be7 11. Nf4 Qd7 12. Nxe6 Qxe6 13. Bf5 Qd6 14. Rc1 a6 15. Qb3 Qb4 16. Qxb4 Bxb4 17. Ke2 Bxc3 18. Rxc3 g6 19. Bd3 Nd7 20. b4 0-0 21. a4 Rfc8 22. Rhc1 Nb6 23. Bc2 Nc4 24. Bb3 b5 25. a5 Rab8 26. e4 Re8 27. e5 Re6 28. f4 f5 29. h3 Kh7 30. g4 Rg8 31. Rg3 Ree8 32. gxf5 gxf5 33. Rcg1 Rxg3 34. Rxg3 Nd6 35. Rc3 Nc4 36. Bc2 Rf8 37. Rg3 Rf7 38. h4 Rf8 39. h5 Rf7 40. Rg6 c5 41. dxc5 Na3 42. e6 Re7 43. Bxf5 Nc4 44. Bh3 Rc7 45. f5 Ne5 46. Rg1 Nc4 47. f6 1-0

[Event "Lansing-ch MI C"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "5"]
[White "Bloch, Hermann"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "39"]
[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. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Bd3 Bd6 6. Nge2 a6 7. c5 Bc7 8. 0-0 e5 9. f3 Qe7 10. b4 e4 11. fxe4 dxe4 12. Nxe4 Nxe4 13. Bc4 0-0 14. Qb3 Be6 15. Bxe6 fxe6 16. Rxf8+ Kxf8 17. Bb2 Nd7 18. Rf1+ Ndf6 19. Nc3 Kg8 20. Qc2 0-1

[Event "Lansing-ch MI C"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "3"]
[White "Gregg, Ted"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "117"]
[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. f4 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nf3 Bd6 8. 0-0 Qe7 9. Ne5 Bxe5 10. Bxe5 0-0-0 11. d3 h5 12. h3 g6 13. Qe1 Rh7 14. Qh4 Ng8 15. Qxe7 Nxe7 16. Bf6 Rd7 17. Bxe7 Rxe7 18. d4 h4 19. Nd2 b5 20. b4 f6 21. Nb3 f5 22. Nc5 Rhg7 23. a4 Kb8 24. Ra3 bxa4 25. Nxa4 Bxa4 26. Rxa4 g5 27. Kh2 c6 28. Rg1 gxf4 29. exf4 Rg3 30. Rf1 Rc3 31. Rf2 Rc4 32. Rd2 Rc3 33. Ra2 Re3 34. Rd3 Re2 35. Rd1 Rg7 36. Rg1 Re4 37. c3 Rxf4 38. g3 Rf3 39. gxh4 Rxg1 40. Kxg1 Rxh3 41. Rh2 Rxc3 42. h5 Rg3+ 43. Kf2 Rg7 44. h6 Rh7 45. Kf3 Kc7 46. Kf4 Kd6 47. Kg5 f4 48. Kg6 Rh8 49. Kg7 Rb8 50. h7 f3 51. h8Q Rxh8 52. Kxh8 e5 53. Rh6+ Ke7 54. dxe5 d4 55. Rf6 d3 56. Rxf3 d2 57. Rd3 Ke6 58. Rxd2 Kxe5 59. Kg8 1-0

[Event "Lansing-ch MI C"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "2"]
[White "Vorhauer, Sam"]
[Black "Boyle, John"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "86"]
[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. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 Be7 8. Bd3 0-0 9. Bf4 Qb6 10. Qc2 Bd7 11. Ne5 h6 12. Nxc6 Qxc6 13. 0-0 Rac8 14. a3 a5 15. Nf3 b5 16. Ne5 Qb7 17. Qe2 Be8 18. Rfc1 Qb6 19. Ng4 b4 20. Be5 Nxg4 21. Qxg4 f6 22. Bf4 Kh8 23. Be3 bxc3 24. bxc3 Qb3 25. Rab1 Qxa3 26. Rb7 f5 27. Qe2 Bf6 28. Bd2 Bf7 29. Rcb1 Qd6 30. Ra7 Bd8 31. c4 dxc4 32. Bxc4 Qxd4 33. Rxf7 Rxf7 34. Qxe6 Qxc4 35. Qe5 Re7 36. Qb2 Qc2 37. g3 Qxb2 38. Rxb2 a4 39. Bb4 Rb7 40. Ba3 Rxb2 41. Bxb2 Be7 42. g4 fxg4 43. Kf1 a3 0-1

[Event "Lansing-ch MI C"]
[Site "Lansing"]
[Date "1995.??.??"]
[Round "4"]
[White "Vorhauer, Sam"]
[Black "Hill, Michael1111"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "75"]
[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. d4 g6 2. Nf3 Bg7 3. c3 d5 4. Bf4 Nf6 5. e3 Nbd7 6. Bd3 b6 7. Nbd2 Bb7 8. 0-0 h6 9. h3 0-0 10. Re1 Rc8 11. e4 dxe4 12. Bxe4 Nxe4 13. Nxe4 e6 14. Qd2 g5 15. Bh2 c5 16. Nd6 Bxf3 17. Nxc8 Qxc8 18. gxf3 Qb7 19. Qe3 cxd4 20. cxd4 Nf6 21. f4 Nd5 22. Qe4 Qd7 23. fxg5 hxg5 24. Qg4 Qe7 25. Qe4 Nf6 26. Qg2 Nh5 27. Qg4 Nf4 28. Bxf4 gxf4 29. Qxf4 Rd8 30. Rad1 Rd5 31. Kh1 Rg5 32. Rg1 Qb7+ 33. f3 Rf5 34. Rxg7+ Kxg7 35. Rg1+ Kf8 36. Qd6+ Qe7 37. Qb8+ Qe8 38. Rg8+ 1-0

[Event "Lansing-ch MI amateur"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "1"]
[White "Beydoun, N."]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "77"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Ba4 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c6 10. d4 Qc7 11. h3 Bb7 12. Nbd2 0-0 13. Nf1 Bc8 14. Ng3 Nb7 15. Nh2 Rd8 16. f4 c5 17. Nf3 Nd7 18. Nf5 Kf8 19. Ng5 Bxg5 20. fxg5 g6 21. Nh6 Kg7 22. Rf1 f6 23. gxf6+ Nxf6 24. d5 Rf8 25. a4 b4 26. Qd2 bxc3 27. bxc3 Qe7 28. c4 Bd7 29. Ra3 Ng8 30. Raf3 Rxf3 31. Rxf3 Rf8 32. Nxg8 Rxf3 33. Nxe7 Rf6 34. Qh6+ Kh8 35. Bg5 Rf7 36. Nxg6+ Kg8 37. Ne7+ Kh8 38. Bf6+ Rxf6 39. Qxf6# 1-0

[Event "Lansing-ch MI amateur"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "3"]
[White "Brown, Doug"]
[Black "Vorhauer, Sam"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2240"]
[PlyCount "163"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Bc5 7. Nxc6 bxc6 8. 0-0 0-0 9. e5 Nh7 10. Na4 Bb6 11. Nxb6 axb6 12. a4 d5 13. Bd3 f5 14. f4 Qe8 15. b3 Be6 16. Bd2 Qf7 17. b4 Rfd8 18. Rf3 Nf8 19. Rg3 c5 20. a5 c4 21. Be2 Kh7 22. axb6 cxb6 23. Rga3 Qe8 24. Be3 Qc6 25. Rxa8 Rxa8 26. Rxa8 Qxa8 27. Bxb6 Nd7 28. Bd4 Qa3 29. c3 Qb2 30. Kf1 Nf8 31. Qe1 Ng6 32. g3 Nf8 33. Be3 Bd7 34. Bc1 Qc2 35. Qd1 Qxc3 36. Bd2 Qb3 37. Qxb3 cxb3 38. b5 d4 39. Bc1 Ne6 40. Bb2 Nc5 41. Bxd4 Na4 42. Ke1 b2 43. Bd3 Bxb5 44. Bxf5+ g6 45. Bb1 Bd7 46. Kd2 Bf5 47. Bxf5 gxf5 48. Kc2 Kg8 49. Bxb2 Nc5 50. Bd4 Ne6 51. Kd3 Kf7 52. Kc4 Ke7 53. Bb6 Kd7 54. Kd5 Nf8 55. Bc5 Ne6 56. Bd6 h5 57. Bb8 Nf8 58. Ba7 Ne6 59. Bb6 Nf8 60. h3 Ne6 61. Be3 Nc7+ 62. Kc4 Ke6 63. Kd3 Kd5 64. Bb6 Ne6 65. Ke3 Ng7 66. Kf3 Kc6 67. Be3 Kd5 68. g4 Ke6 69. Bc5 hxg4+ 70. hxg4 fxg4+ 71. Kxg4 Nf5 72. Bd6 Ne3+ 73. Kg5 Nf5 74. Bc5 Ng3 75. Kg6 Nf5 76. Bd6 Ne3 77. Kg7 Nf5+ 78. Kf8 Ne3 79. Be7 Nf5 80. Bf6 Ne3 81. Ke8 Nf5 82. Kd8 1/2-1/2

[Event "Lansing-ch MI amateur"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "5"]
[White "Emke, Robert"]
[Black "Vorhauer, Sam"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "53"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nf3 Bd6 5. Nbd2 Nbd7 6. 0-0 0-0 7. Re1 c6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bd3 Re8 12. Ne5 Qe7 13. c3 Kh8 14. Re3 Bxe5 15. dxe5 Ng8 16. Rh3 f5 17. exf6 Nxf6 18. Bg5 Rd8 19. Rxh7+ Kg8 20. Rh4 Rd5 21. f4 Qc5+ 22. Kh1 Ne4 23. Rh8+ Kxh8 24. Qh5+ Kg8 25. Bxe4 Rf5 26. Bxf5 exf5 27. Qe8+ 1/2-1/2

[Event "Lansing-ch MI amateur"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "4"]
[White "Vorhauer, Sam"]
[Black "Collins, Chris"]
[Result "1/2-1/2"]
[ECO "A80"]
[PlyCount "97"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 g6 4. e3 Bg7 5. c3 d5 6. Bd3 e6 7. Na3 c6 8. 0-0 0-0 9. Nc2 h6 10. h3 Ne4 11. Nce1 Qe7 12. Ne5 Qe8 13. Kh2 g5 14. f3 Nf6 15. Bg3 Nbd7 16. f4 g4 17. h4 Ne4 18. Bxe4 dxe4 19. Bf2 Bf6 20. g3 Nb6 21. b3 Bd7 22. Ng2 Rc8 23. Rc1 c5 24. Rc2 cxd4 25. cxd4 Nd5 26. Qd2 Rxc2 27. Qxc2 Qc8 28. Qxc8 Bxc8 29. Rc1 Bxe5 30. dxe5 Bd7 31. Be1 Rc8 32. Rxc8+ Bxc8 33. Bd2 Kf7 34. Ne1 Bd7 35. Nc2 Bb5 36. a3 Ke7 37. Kg2 Kd7 38. Kf2 Bd3 39. Nd4 b5 40. b4 h5 41. Nb3 Bc4 42. Nc5+ Ke7 43. Ke1 Nb6 44. Kd1 Nd7 45. Nxd7 Kxd7 46. Bc3 a6 47. Bd4 Kc6 48. Kc2 Kd5 49. Kc3 1/2-1/2

[Event "Lansing-ch MI amateur"]
[Site "Lansing"]
[Date "1993.??.??"]
[Round "2"]
[White "Vorhauer, Sam"]
[Black "Ho, E."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "129"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Be7 4. e3 Nf6 5. Bd3 Nbd7 6. c3 b6 7. Nbd2 c5 8. dxc5 bxc5 9. b3 Nb6 10. 0-0 Bd6 11. Ne5 Qc7 12. Bb5+ Bd7 13. Nxd7 Nbxd7 14. Bxd6 Qxd6 15. f4 0-0 16. Rb1 c4 17. Bxd7 Qxd7 18. b4 a6 19. a4 Qa7 20. Qf3 Rfd8 21. Rbd1 Rd6 22. Rfe1 Rad8 23. Kh1 Ne4 24. Nxe4 dxe4 25. Rxd6 Rxd6 26. Qxe4 Rd3 27. Qxc4 Qd7 28. Qxa6 Rxc3 29. Qb5 Qd8 30. h3 h6 31. a5 Rc2 32. a6 Qd2 33. Qf1 Qxb4 34. Ra1 Qb8 35. a7 Qa8 36. Qf3 Rc8 37. Qxa8 Rxa8 38. Kg1 Kf8 39. Kf2 Ke8 40. Ke2 Kd8 41. Kd3 Kc8 42. Kd4 Kb7 43. Rb1+ Kxa7 44. Ra1+ Kb7 45. Rxa8 Kxa8 46. Ke5 Kb8 47. e4 Kc8 48. f5 Kd7 49. f6 g6 50. Kd4 Ke8 51. Kc5 Kf8 52. Kd6 Kg8 53. Ke7 g5 54. g3 h5 55. e5 h4 56. g4 Kh7 57. Kxf7 Kh6 58. Ke7 Kh7 59. f7 Kg6 60. Kxe6 Kg7 61. Ke7 Kg6 62. f8R Kg7 63. Rf5 Kg6 64. Kf8 Kh7 65. Rf6 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "McCarter, Robert"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "173"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 e6 5. 0-0 Bd6 6. b3 Nbd7 7. Nbd2 e5 8. dxe5 Nxe5 9. Be2 0-0 10. Bb2 Re8 11. Nxe5 Bxe5 12. Bxe5 Rxe5 13. Nf3 Re7 14. c4 Bg4 15. cxd5 Rd7 16. Qc2 Bxf3 17. Bxf3 cxd5 18. Rfd1 Rc8 19. Qb2 Rc6 20. Rac1 a6 21. Rxc6 bxc6 22. Qa3 Qb6 23. Rc1 h5 24. Rc5 g5 25. Ra5 g4 26. Be2 Qc7 27. Rxa6 Ne4 28. Ra8+ Rd8 29. Qa5 Qxa5 30. Rxa5 Nc3 31. Bd3 Kg7 32. Rc5 Nxa2 33. Rxc6 Nb4 34. Rc3 Nxd3 35. Rxd3 Rc8 36. f3 Rc1+ 37. Kf2 Rc2+ 38. Kg3 gxf3 39. gxf3 h4+ 40. Kh3 Rf2 41. f4 Rf3+ 42. Kg4 Rf2 43. h3 Rb2 44. Kxh4 Kg6 45. Kg3 Rb1 46. Kh4 Kf6 47. Rxd5 Rxb3 48. Re5 Rb8 49. Kg4 Rg8+ 50. Rg5 Re8 51. Kf3 Rh8 52. Rg3 Rb8 53. h4 Ke6 54. h5 Rh8 55. Rh3 Rh6 56. e4 f5 57. e5 Kd5 58. Ke3 Rc6 59. Rh4 Rh6 60. Kd3 Kc5 61. Rh2 Kd5 62. Rh1 Kc5 63. Ke3 Kc4 64. Kf3 Kd4 65. Kg3 Kd5 66. Kh4 Ke4 67. Kg5 Rh8 68. Re1+ Kd5 69. e6 Rg8+ 70. Kxf5 Rf8+ 71. Kg5 Rg8+ 72. Kh6 Rh8+ 73. Kg6 Kd6 74. e7 Re8 75. Kf7 Kd7 76. Rd1+ Kc6 77. Kxe8 Kc7 78. f5 Kc6 79. f6 Kc7 80. f7 Kc6 81. Kd8 Kb6 82. e8Q Kc5 83. f8Q+ Kc4 84. Qc6+ Kb3 85. Qfc5 Ka2 86. Qa4+ Kb2 87. Qcb4# 1-0

[Event "Lansing MI Aug mini"]
[Site "Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "McNutt, Kaitlynn Lee"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "80"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Nc6 6. Nf3 Qb6 7. Nc3 Nge7 8. Rb1 Nf5 9. Be3 Nxe3 10. fxe3 Be7 11. Bd3 f5 12. exf6 gxf6 13. Qc2 f5 14. Ne5 Nxe5 15. dxe5 Qxe3+ 16. Qe2 Qxe2+ 17. Bxe2 h5 18. Bb5+ Bd7 19. Bxd7+ Kxd7 20. Rc1 Bh4+ 21. g3 Bg5 22. Rc2 a6 23. Na4 Be3 24. Re2 Ba7 25. Kd2 b5 26. Nc3 Rac8 27. a4 b4 28. Na2 a5 29. Rc1 Rxc1 30. Kxc1 Rc8+ 31. Kd2 Bd4 32. Kd3 Bc5 33. Rc2 b3 34. Rc1 bxa2 35. Ra1 Rb8 36. Rxa2 Rb3+ 37. Kc2 Re3 38. b3 Re2+ 39. Kb1 Rxa2 40. Kxa2 Bf2 0-1

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Spencer, Gary"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "138"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. d3 e6 4. Bg2 Bd6 5. 0-0 c6 6. b3 Nbd7 7. Bb2 e5 8. Nbd2 0-0 9. c4 d4 10. Ng5 h6 11. Nge4 Nxe4 12. Nxe4 Nf6 13. c5 Nxe4 14. cxd6 Nxd6 15. Ba3 Re8 16. Qc2 Nb5 17. Bb2 Be6 18. a4 Nc7 19. Rad1 Qd7 20. Rfe1 Nd5 21. Qd2 Bg4 22. Rc1 Rac8 23. e4 Nf6 24. f4 Bh3 25. f5 Bxg2 26. Qxg2 Ng4 27. Qf3 Ne3 28. Re2 f6 29. g4 g5 30. Rb1 a5 31. Bc1 b5 32. Bxe3 dxe3 33. Qxe3 Red8 34. Rd2 Qd4 35. Qxd4 Rxd4 36. Rc1 bxa4 37. Rc5 axb3 38. Rxa5 Rb8 39. Ra1 b2 40. Rb1 Rb3 41. Rdxb2 Rbxd3 42. Rb8+ Rd8 43. Rxd8+ Rxd8 44. Rb6 Rc8 45. Kf1 Kf8 46. Ke2 Ke7 47. Rb7+ Kd6 48. Rh7 Kc5 49. Rxh6 Rf8 50. h4 Kd4 51. hxg5 fxg5 52. Kf3 c5 53. Rd6+ Kc3 54. Rd5 c4 55. Rxe5 Kc2 56. Rc5 c3 57. Ke3 Rd8 58. e5 Rd3+ 59. Ke4 Kd2 60. e6 c2 61. Ke5 Rc3 62. Rd5+ Ke2 63. Kf6 c1Q 64. Re5+ Re3 65. Rxe3+ Qxe3 66. e7 Qd4+ 67. Kxg5 Qg7+ 68. Kf4 Qxe7 69. Kg3 Qg5 0-1

[Event "Lansing MI Aug mini"]
[Site "Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Hall, William"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "37"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 0-0 6. c3 Re8 7. 0-0 Nc6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Bg4 11. h3 Bd7 12. Ng5 e5 13. Qb3 Na5 14. Qxf7+ Kh8 15. f3 Qf6 16. Bd2 Qxf7 17. Nxf7+ Kg8 18. Nh6+ Kh8 19. dxe5 0-1

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Horton, David"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 b6 5. c3 Ba6 6. Qc2 Bxd3 7. Qxd3 0-0 8. 0-0 d5 9. Nbd2 c5 10. e4 dxe4 11. Nxe4 cxd4 12. Rd1 Qc7 13. Nxf6+ Bxf6 14. Bg5 dxc3 15. Bxf6 exf6 16. Qxc3 Qxc3 17. bxc3 Nc6 18. Rd7 Ne5 19. Rd6 Nxf3+ 20. gxf3 Rac8 21. Rc1 f5 22. Rd7 a6 23. c4 Rfd8 24. Rxd8+ Rxd8 25. c5 Rc8 26. c6 Rc7 27. a4 Kf8 28. a5 b5 29. Kf1 Ke7 30. Rd1 Rxc6 31. Re1+ Kd7 32. Rd1+ Kc7 33. Re1 Kd7 34. Rd1+ Rd6 35. Rc1 Rd4 36. Ke2 f4 37. Rb1 Ra4 38. Re1 Ke7 39. Kd2+ 0-1

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Kruskie, J."]
[Result "1-0"]
[ECO "D05"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 b6 6. Nbd2 Bb7 7. 0-0 Nc6 8. Re1 cxd4 9. exd4 Be7 10. Nf1 0-0 11. Bg5 Rc8 12. Qe2 Qc7 13. a3 Rfe8 14. Ne5 Nd7 15. Bxh7+ Kf8 16. Nxd7+ Qxd7 17. Qh5 Bxg5 18. Qxg5 Qe7 19. Qh5 Qf6 20. Re3 g6 21. Bxg6 Qxg6 22. Qh4 f6 23. Rg3 Qf7 24. Qh6+ Ke7 25. Rg7 Rg8 26. Rxf7+ Kxf7 27. Qh5+ Ke7 28. Qh7+ 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Spooner, Frank"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "75"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. c4 e6 5. Bd3 Be7 6. Nbd2 d5 7. a3 0-0 8. Qc2 h6 9. 0-0 c5 10. b3 Nbd7 11. Bb2 Rc8 12. Qd1 Ne4 13. Qe2 Ndf6 14. Ne5 Nxd2 15. Qxd2 Ne4 16. Qe2 Bd6 17. Rad1 Bxe5 18. dxe5 Qe7 19. Bxe4 dxe4 20. Rd6 Rfd8 21. Rfd1 Rxd6 22. exd6 Qd7 23. Qg4 f5 24. Qh4 Rf8 25. Qe7 Rf7 26. Qh4 b5 27. Be5 Ba6 28. g4 bxc4 29. bxc4 Bxc4 30. Rb1 fxg4 31. Qxg4 Rf3 32. Rb8+ Kh7 33. Rd8 Qf7 34. d7 Rxf2 35. Rh8+ Kxh8 36. d8Q+ Kh7 37. Qxe4+ g6 38. Qh8# 1-0

[Event "Lansing MI Aug mini"]
[Site "Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Wright, K."]
[Result "1-0"]
[ECO "A80"]
[PlyCount "111"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e3 Nf6 3. Bd3 e6 4. Nf3 c6 5. Nbd2 Be7 6. c3 d6 7. Qc2 h6 8. e4 fxe4 9. Nxe4 Nbd7 10. Nxf6+ Nxf6 11. Bg6+ Kd7 12. h3 Rf8 13. c4 Qc7 14. Be3 Kd8 15. 0-0 Bd7 16. b4 Ng8 17. Bd2 Bf6 18. Bc3 Ne7 19. Rfe1 Nxg6 20. Qxg6 Be8 21. Qd3 Qf7 22. c5 d5 23. Qe3 Bd7 24. Re2 Qg6 25. Ne5 Bxe5 26. dxe5 Rf5 27. f4 Ke7 28. Qd3 Qf7 29. g3 Rg8 30. Bd2 Qf8 31. Rf2 g5 32. Raf1 g4 33. h4 Be8 34. a4 Bg6 35. Qb3 Kf7 36. Be3 Kg7 37. Bd4 Rf7 38. b5 Qc8 39. Rb2 h5 40. Ra1 Be4 41. Ra3 Re8 42. Qc3 cxb5 43. axb5 Qb8 44. Kf2 Rc8 45. b6 axb6 46. Rxb6 Rc6 47. Qb4 Rfc7 48. Qb2 Rxb6 49. Qxb6 Bg6 50. Qxe6 Bf7 51. Qd6 Qc8 52. e6+ Kg8 53. exf7+ Rxf7 54. Qg6+ Kf8 55. Re3 Qf5 56. Qh6+ 1-0

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Brotherton, Dan"]
[Black "Vorhauer, Sam"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "107"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 d6 4. g3 Nf6 5. Bg2 g6 6. Nge2 Bg7 7. f4 e5 8. 0-0 a6 9. a4 0-0 10. Kh1 Bd7 11. h3 Nd4 12. Nxd4 cxd4 13. Nd5 Nh5 14. Kh2 Bc6 15. g4 Nf6 16. Nxf6+ Bxf6 17. g5 Be7 18. h4 f5 19. Qe1 Qc7 20. c3 fxe4 21. dxe4 d3 22. Qd1 Bd7 23. Qxd3 Qc6 24. Qd5+ Qxd5 25. exd5 Bd8 26. Bd2 Bb6 27. a5 Ba7 28. Rae1 Bb5 29. Rh1 exf4 30. Bf1 Bxf1 31. Rhxf1 f3 32. Be3 f2 33. Re2 Rae8 34. Bxa7 Rxe2 35. Kg2 Rxb2 36. Bxf2 Ra2 37. Kg3 Rc2 38. Kg2 Rf5 39. Kg3 Rxc3+ 40. Kg2 Rc2 41. Kg3 Rxd5 42. Bb6 Rc3+ 43. Kg4 Rc4+ 44. Kg3 Rd3+ 45. Kg2 Rc2+ 46. Kg1 Rg3+ 47. Kh1 Rh3+ 48. Kg1 Rxh4 49. Bd8 Rg4+ 50. Kh1 Rh4+ 51. Kg1 Rhc4 52. Rf6 Ra2 53. Be7 Rc1+ 54. Rf1 0-1

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Brown, F."]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "95"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 Bd6 5. Bxd6 Qxd6 6. c3 Nbd7 7. e3 c6 8. Bd3 e5 9. e4 0-0 10. exd5 exd4 11. Nxd4 Re8+ 12. Be2 Qxd5 13. 0-0 Nb6 14. Re1 Bd7 15. Qc2 c5 16. N4f3 Bf5 17. Qb3 Qxb3 18. axb3 Bg4 19. h3 Bh5 20. Bb5 Nfd7 21. Rxe8+ Rxe8 22. Rxa7 Bxf3 23. Nxf3 Rb8 24. Ra1 f6 25. Nd2 Nf8 26. Ne4 Nbd7 27. Rd1 f5 28. Ng3 f4 29. Ne4 Ne5 30. Nxc5 f3 31. g3 h6 32. g4 Nc6 33. Nd7 Rd8 34. Bxc6 Nxd7 35. Rxd7 Ra8 36. Rxb7 Ra1+ 37. Kh2 Ra2 38. Kg3 Rxb2 39. b4 Rc2 40. c4 Kf8 41. Bd5 Rc3 42. c5 Rd3 43. c6 Rxd5 44. c7 Kf7 45. c8Q+ Kf6 46. Qc3+ Ke6 47. Qxg7 h5 48. Qe7# 1-0

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "La Guire, D."]
[Black "Vorhauer, Sam"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "105"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Nc3 Bc5 7. Qxg7 Qf6 8. Qxf6 Nxf6 9. Bf4 Bb7 10. f3 Bb4 11. Be5 Bxc3+ 12. Bxc3 Ke7 13. 0-0-0 Rhd8 14. Bxf6+ Kxf6 15. Bd3 Kg7 16. h4 d6 17. g4 Re8 18. Rhe1 a6 19. Rd2 b5 20. Rde2 c5 21. c4 b4 22. b3 a5 23. Re3 a4 24. Bc2 axb3 25. Bxb3 f6 26. Kd2 Bc6 27. Ke2 Ba4 28. Rb1 Bxb3 29. axb3 Ra2+ 30. Kd3 Rh2 31. h5 Ra8 32. Re2 Rh3 33. Ke3 f5 34. gxf5 Kf6 35. Rg2 Rxh5 36. Rd1 Ra6 37. Rdd2 Rg5 38. Rh2 Kg7 39. Rh3 h5 40. f4 Rg1 41. Rxh5 Ra3 42. Rb2 Rxb3+ 43. Rxb3 Rg3+ 44. Kd2 Rxb3 45. Rg5+ Kf6 46. Rg6+ Ke7 47. e5 dxe5 48. Re6+ Kf7 49. fxe5 Rc3 50. Rf6+ Ke7 51. Re6+ Kf7 52. Rf6+ Ke7 53. Re6+ 1/2-1/2

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Randall, Paul"]
[Black "Vorhauer, Sam"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "105"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. f3 e6 5. e4 dxe4 6. fxe4 Bb4 7. Qd3 e5 8. d5 Bxc3+ 9. bxc3 Qd6 10. Nf3 Nbd7 11. Qc2 0-0 12. Bd3 c5 13. 0-0 Re8 14. Qf2 Nf8 15. Nh4 Ng6 16. Nf5 Bxf5 17. Qxf5 Qd7 18. Bg5 Qxf5 19. exf5 Nf8 20. Bxf6 gxf6 21. Be4 Nd7 22. d6 Rab8 23. Rab1 b6 24. a4 Kh8 25. Rf2 Rg8 26. Rfb2 Rg4 27. Bc6 Rxc4 28. Bxd7 Rd8 29. Bb5 Rf4 30. d7 Rxf5 31. a5 e4 32. axb6 axb6 33. Bc6 e3 34. Rxb6 Rg5 35. Rb8 Rgg8 36. Rxd8 Rxd8 37. Re1 Kg7 38. Rxe3 f5 39. Re8 Rxd7 40. Bxd7 c4 41. Rc8 Kf6 42. Rxc4 h6 43. Rd4 Ke5 44. Rd1 f4 45. c4 h5 46. c5 h4 47. c6 f5 48. c7 h3 49. c8Q hxg2 50. Qe8+ Kf6 51. Rd6+ Kg7 52. Rg6+ Kh7 53. Qg8# 1-0

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Endres, J."]
[Result "1-0"]
[ECO "A48"]
[PlyCount "96"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nc6 7. 0-0 Re8 8. Qc2 e5 9. Re1 Bg4 10. dxe5 dxe5 11. e4 Nh5 12. h3 Bc8 13. Nb3 Nf4 14. Bxf4 exf4 15. Rad1 Ne5 16. Nxe5 Rxe5 17. Nd4 c6 18. Nf3 Re8 19. Qb3 b5 20. Bxb5 Qb6 21. Bc4 Be6 22. Qxb6 axb6 23. Bxe6 Rxe6 24. a3 Rae8 25. Nd2 Rd6 26. f3 Red8 27. Re2 b5 28. Kf1 c5 29. Ke1 b4 30. axb4 cxb4 31. Rc1 bxc3 32. bxc3 Rc8 33. Nb1 Rd3 34. e5 Re3 35. Rxe3 fxe3 36. f4 Rc4 37. g3 Kf8 38. Ke2 Ke7 39. Kxe3 Ke6 40. Nd2 Rc6 41. Nf3 Ke7 42. c4 f6 43. Nd4 Rc5 44. exf6+ Bxf6 45. Kd3 Rc7 46. Re1+ Kd7 47. Ne6 Rc6 48. Nf8+ Kd6 1-0

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Griffin, J."]
[Result "0-1"]
[ECO "D05"]
[PlyCount "122"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Be7 6. dxc5 Bxc5 7. Nbd2 a6 8. 0-0 0-0 9. Qc2 Nc6 10. a3 b5 11. h3 e5 12. e4 Be7 13. exd5 Qxd5 14. Ne4 g6 15. Nxf6+ Bxf6 16. Be4 Qd7 17. Rd1 Qc7 18. Bg5 Bxg5 19. Nxg5 h6 20. Nf3 Bb7 21. Qd2 Kg7 22. Qd7 Rac8 23. Qxc7 Rxc7 24. Bxc6 Bxc6 25. Nxe5 Bb7 26. Rd4 Re8 27. Re1 Rce7 28. f4 f6 29. Nd3 Rxe1+ 30. Nxe1 Rxe1+ 31. Kf2 Re7 32. g3 Kf7 33. f5 g5 34. Rd8 Rc7 35. Rh8 Kg7 36. Rd8 h5 37. Rd4 a5 38. g4 hxg4 39. hxg4 Kf7 40. Rd3 Bc6 41. Rd2 Be8 42. Rd3 Rc4 43. Rd4 Ke7 44. Rxc4 bxc4 45. Ke3 Kd6 46. Kd4 Bf7 47. Ke4 Kc5 48. Ke3 Be8 49. Ke4 Bc6+ 50. Ke3 Kb5 51. Kd4 Bf3 52. a4+ Kc6 53. Kxc4 Bxg4 54. Kd4 Bxf5 55. b4 Bc2 56. b5+ Kd6 57. c4 Bxa4 58. c5+ Kc7 59. b6+ Kc6 60. b7 Kxb7 61. Kd5 Kc7 0-1

[Event "East Lansing-ch MI op-B"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Vorhauer, Sam"]
[Black "Smeckert, Dennis"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "119"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 a6 4. c3 Bf5 5. Bd3 g6 6. Qc2 Bxd3 7. Qxd3 f6 8. e4 e6 9. 0-0 Qd7 10. Re1 0-0-0 11. Nbd2 g5 12. b4 Na7 13. a4 Be7 14. Nb3 dxe4 15. Qxe4 Qd5 16. Qxe6+ Qxe6 17. Rxe6 g4 18. Nh4 Rd6 19. Re4 Bd8 20. Rxg4 Ne7 21. c4 f5 22. Rf4 Re8 23. Be3 Ng6 24. Nxg6 hxg6 25. d5 b6 26. b5 Rf6 27. Nd4 Rf7 28. Ne6 g5 29. Rf3 g4 30. Rf4 c5 31. bxc6 Nxc6 32. Nxd8 Nxd8 33. Bxb6 Re2 34. Bxd8 Kxd8 35. Kf1 Rc2 36. Rb1 Ke7 37. d6+ Kxd6 38. Rb6+ Kc5 39. Rxa6 Kb4 40. c5+ Kxc5 41. g3 Ra2 42. Rxf5+ Rxf5 43. Ra5+ Kd6 44. Rxf5 Rxa4 45. Rf4 Ra2 46. Kg2 Ke5 47. Rxg4 Kf5 48. Rg8 Ra1 49. h4 Rb1 50. h5 Ra1 51. h6 Ra7 52. Rg7 Ra8 53. h7 Rh8 54. Rc7 Kg6 55. Kh3 Kg5 56. f4+ Kh6 57. Kh4 Kg6 58. g4 Kh6 59. f5 Rg8 60. hxg8N# 1-0

