[Event "Grand Rapids-ch MI M/X"]
[Site "Grand Rapids "]
[Date "1988.??.??"]
[Round "1"]
[White "Gilruth, Peter"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2205"]
[PlyCount "121"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 0-0 6. d4 b6 7. Be2 Bb7 8. 0-0 dxc4 9. bxc4 c5 10. Qb3 Nbd7 11. Rd1 cxd4 12. exd4 Rc8 13. Nc3 Qc7 14. Nb5 Qb8 15. d5 exd5 16. cxd5 Bc5 17. Nc3 Bd6 18. Qa4 Nc5 19. Qh4 a6 20. Nd4 Rfe8 21. Nf5 Bf8 22. Qg5 Kh8 23. d6 Rcd8 24. Bc4 Ne6 25. Qg3 b5 26. Bb3 Qc8 27. Nd5 Nxd5 28. Bxd5 Bxd5 29. Rxd5 Qc2 30. Be5 Qxf5 31. Bxg7+ Nxg7 32. Rxf5 Nxf5 33. Qf4 Nxd6 34. Rd1 Bg7 35. g3 Be5 36. Qg5 Bg7 37. h4 h6 38. Qf4 Nc4 39. Rxd8 Rxd8 40. Qxf7 Rf8 41. Qd5 Ne5 42. f4 Ng4 43. Qe6 Nf6 44. Qxa6 Rd8 45. Qxb5 Rd1+ 46. Kg2 Rd2+ 47. Kf3 Rxa2 48. Qb8+ Ng8 49. g4 Ra3+ 50. Ke4 Ra4+ 51. Kf5 Ra5+ 52. Kg6 Ra6+ 53. Kh5 Ra5+ 54. g5 hxg5 55. hxg5 Rf5 56. Kg6 Rc5 57. Qa8 Rc6+ 58. Kh5 Rb6 59. Qd8 Ra6 60. Qc7 Bf8 61. Qc8 1-0

[Event "Grand Rapids-ch MI M/X"]
[Site "Grand Rapids "]
[Date "1988.??.??"]
[Round "2"]
[White "Groeller, William"]
[Black "Stein, Kurt W"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "72"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Ba6 8. Bxa6 Qxa6 9. Nf3 d6 10. Qe2 g6 11. Qxa6 Nxa6 12. Ke2 Bg7 13. Bd2 0-0 14. e4 Rfb8 15. Rab1 Rb4 16. Kd3 c4+ 17. Kc2 Rb7 18. a3 Nc5 19. Rhe1 Rab8 20. Re2 Nd3 21. b4 Ra8 22. Ne1 Nd7 23. Nxd3 cxd3+ 24. Kxd3 Rxa3 25. Kc2 Ne5 26. Rb3 Ra8 27. Re1 Nc4 28. Bf4 Rc7 29. Rc1 h6 30. Kd3 g5 31. Be3 Rac8 32. Ne2 e6 33. dxe6 fxe6 34. b5 d5 35. exd5 exd5 36. b6 Rb7 1/2-1/2

[Event "Kalamazoo WMU op"]
[Site "Kalamazoo"]
[Date "1986.??.??"]
[Round "4"]
[White "Bryant, David"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "D60"]
[PlyCount "94"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 c5 8. 0-0 cxd4 9. Nxd4 Ne5 10. cxd5 exd5 11. Rc1 a6 12. a4 Nc6 13. Nce2 Nb4 14. Bb1 Ne4 15. Bxe7 Qxe7 16. Bxe4 dxe4 17. Qb3 a5 18. Nf4 Ra6 19. Nd5 Nxd5 20. Qxd5 Rh6 21. Rxc8 Rxc8 22. Nf5 Qe8 23. Nxh6+ gxh6 24. b3 b6 25. g4 Rc5 26. Qd6 Rc6 27. Qd5 Rg6 28. h3 Rg5 29. Qd6 h5 30. Kh2 hxg4 31. Rg1 h5 32. hxg4 hxg4 33. Kg3 Rg6 34. Qc7 Rc6 35. Qf4 Kg7 36. Rh1 Rg6 37. Rh4 Qe6 38. Rxg4 f5 39. Rg5 Qf6 40. Qc7+ Kh6 41. Rxg6+ Kxg6 42. Qc4 Kh5 43. Kf4 Kg6 44. Qg8+ Kh6 45. Qc4 Kg7 46. Qd4 Kg6 47. Qc4 Qd6# 0-1

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "7"]
[White "Groeller, William"]
[Black "Bohley, Donald"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "149"]
[EventDate "1986.??.??"]
[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 d5 2. Nf3 c5 3. g3 e6 4. Bg2 Nc6 5. 0-0 Nf6 6. b3 Be7 7. Bb2 0-0 8. Nbd2 Ne4 9. dxc5 f5 10. c4 Bxc5 11. cxd5 exd5 12. Rc1 Bb6 13. Ne5 Nxe5 14. Bxe5 Be6 15. Nf3 Qe7 16. Bd4 Bc7 17. Ne1 Bd6 18. Nd3 Rfc8 19. Nf4 Bxf4 20. gxf4 Rxc1 21. Qxc1 Rc8 22. Qb2 b6 23. Rc1 Rxc1+ 24. Qxc1 Qd6 25. e3 Qd7 26. Qb2 Qe7 27. Qc3 Qd7 28. Be5 Qc8 29. Qb2 Qd7 30. Bf1 Qf7 31. Bg2 Qd7 32. Bf3 Nc5 33. Qc2 Ne4 34. a3 Qc8 35. Qb2 Qd7 36. b4 Qe8 37. Bg2 Qe7 38. Qc2 Nd6 39. Bxd6 Qxd6 40. Qa4 Qe7 41. Qc6 Qd7 42. Qxd7 Bxd7 43. Bxd5+ Kf8 44. Kf1 Ke7 45. Ke2 Kd6 46. Bg8 h6 47. Kd3 Bc6 48. Kd4 Bb7 49. Bc4 Bc6 50. Be2 Bb7 51. f3 Bc6 52. e4 fxe4 53. fxe4 Bb7 54. Bf3 Ke6 55. Bg4+ Kd6 56. f5 Bc6 57. e5+ Ke7 58. Be2 Bb7 59. Bd3 Bc6 60. Bc4 Bd7 61. Bd3 Bc6 62. Be4 Be8 63. Bc2 Bc6 64. a4 Bd7 65. e6 Be8 66. Kd5 Bh5 67. Kc6 Bf3+ 68. Kc7 Bd5 69. Kb8 a5 70. bxa5 bxa5 71. Kc7 g6 72. fxg6 Bxe6 73. Kb6 Bd7 74. Kxa5 Kf6 75. Kb4 1-0

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "1"]
[White "Groeller, William"]
[Black "Chandler, P."]
[Result "1-0"]
[ECO "A60"]
[PlyCount "69"]
[EventDate "1986.??.??"]
[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 Nf6 2. c4 e6 3. Nc3 c5 4. d5 d6 5. e4 a6 6. Be2 Bd7 7. a4 Be7 8. Nf3 0-0 9. 0-0 exd5 10. exd5 Ne8 11. Qc2 g6 12. Bd2 Bf5 13. Bd3 Bxd3 14. Qxd3 Nd7 15. Bh6 Ng7 16. Rae1 Re8 17. Re2 Nf5 18. Bf4 Nf6 19. Rfe1 Qd7 20. h3 Bf8 21. Bg5 Rxe2 22. Rxe2 Bg7 23. g4 Ne7 24. Qe3 Re8 25. Qf4 h6 26. Bxf6 g5 27. Nxg5 hxg5 28. Qxg5 Ng6 29. Bxg7 Rxe2 30. Nxe2 Qxa4 31. Ng3 Kxg7 32. Nf5+ Kf8 33. Qd8+ Qe8 34. Qxe8+ Kxe8 35. Nxd6+ 1-0

[Event "Dearborn ch-MI M/X"]
[Site "Dearborn"]
[Date "1986.??.??"]
[Round "3"]
[White "Groeller, William"]
[Black "Findlay, Ian T"]
[Result "1/2-1/2"]
[ECO "A68"]
[BlackElo "2330"]
[PlyCount "121"]
[EventDate "1986.??.??"]
[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 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Be2 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Bxf6 Qxf6 15. Qd2 b4 16. Nb5 Na6 17. d6 Bd7 18. 0-0 Qd8 19. Qd5+ Kg7 20. Ng5 Nf6 21. Qb7 Qe8 22. Rae1 Qe3+ 23. Kh1 Qxg5 24. Qxa6 Kh8 25. Nc7 Rad8 26. Bf3 Ng4 27. Qe2 h5 28. Bxg4 Bxg4 29. Rxf8+ Rxf8 30. Qe7 Qf4 31. h3 Bxh3 32. Qxf8+ Qxf8 33. Re8 Qxe8 34. Nxe8 Bf5 35. Nf6 c4 36. d7 Bxd7 37. Nxd7 c3 38. bxc3 bxc3 39. Ne5 Kg7 40. Kg1 Kf6 41. Nd3 Kf5 42. Kf2 Ke4 43. Ke2 g5 44. Nc1 h4 45. Kf2 g4 46. Ke2 c2 47. Nd3 a5 48. a4 h3 49. gxh3 gxh3 50. Nf2+ Kd4 51. Kd2 h2 52. Kxc2 Kc4 53. Kd2 Kb3 54. Kd3 Kxa4 55. Kc4 Ka3 56. Kc3 a4 57. Nh1 Ka2 58. Kc2 a3 59. Ng3 Ka1 60. Kc1 a2 61. Nh1 1/2-1/2

[Event "Kalamazoo WMU op"]
[Site "Kalamazoo"]
[Date "1986.??.??"]
[Round "1"]
[White "Groeller, William"]
[Black "Griffin, John P"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "69"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 b6 6. Rc1 h6 7. Bh4 Nbd7 8. cxd5 exd5 9. Nf3 0-0 10. Bd3 c5 11. dxc5 bxc5 12. 0-0 Re8 13. Bg3 Bb7 14. Bb5 a6 15. Ba4 Rc8 16. Ne5 Rf8 17. Nxd7 Nxd7 18. Nxd5 Nb6 19. Nxb6 Qxb6 20. Qb3 Qxb3 21. Bxb3 Rfd8 22. Be5 Rd2 23. Bc3 Rd3 24. Bc2 Rd5 25. Be4 Rcd8 26. Bxd5 Rxd5 27. Rcd1 Rg5 28. f3 Bc6 29. e4 Kf8 30. g3 Rg6 31. Rfe1 Bd6 32. Kf2 Re6 33. e5 Bc7 34. f4 Ke7 35. f5 1-0

[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "7"]
[White "Groeller, William"]
[Black "Kantey, David S"]
[Result "1-0"]
[ECO "E77"]
[PlyCount "75"]
[EventDate "1986.08.03"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 e6 7. Be2 exd5 8. exd5 0-0 9. Nf3 Re8 10. 0-0 Ng4 11. Bd3 Ne3 12. Bxe3 Rxe3 13. Qd2 Re8 14. Rae1 Bg4 15. h3 Bxf3 16. Rxf3 Nd7 17. Rff1 Qh4 18. Ne4 Bd4+ 19. Kh1 Nf6 20. Nxd6 Ng4 21. Nxe8 Qg3 22. Nf6+ Nxf6 23. Rf3 Qh4 24. Re2 Re8 25. Rxe8+ Nxe8 26. Kh2 Qf6 27. b4 b6 28. bxc5 Bxc5 29. Qe2 Nd6 30. Qe5 Bd4 31. Qxf6 Bxf6 32. g4 Kg7 33. Kg2 Bd4 34. Kf1 Ba1 35. Re3 Bd4 36. Re7 a5 37. Ke2 Bc5 38. Rc7 1-0

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "3"]
[White "Groeller, William"]
[Black "Levine, H."]
[Result "1-0"]
[ECO "D85"]
[PlyCount "147"]
[EventDate "1986.??.??"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 Qa5 13. Rb3 f6 14. f4 Bd6 15. 0-0 c4 16. Bxc4 Qc5+ 17. Qd4 Qc7 18. Kh1 Kg7 19. Be2 Bd7 20. Be3 e5 21. Qd2 Rf7 22. fxe5 Bxe5 23. Bf4 Re8 24. Bxe5 Rxe5 25. Qd4 b6 26. c4 Qd6 27. a3 Kg8 28. Bf3 Kg7 29. Rc3 Kg8 30. c5 bxc5 31. Qxc5 Qxc5 32. Rxc5 f5 33. exf5 Rfxf5 34. Kg1 a6 35. Rfc1 Rf6 36. Rc7 Rd6 37. Ra7 Kf8 38. Rcc7 Ke8 39. Ra8+ Kf7 40. Bg4 Rexd5 41. Rxd7+ Rxd7 42. Bxd7 Rxd7 43. Rxa6 Rd2 44. Ra7+ Kg8 45. h3 Ra2 46. Kh2 Kf8 47. Kg3 Ke8 48. Kf3 h5 49. h4 Kf8 50. g3 Rc2 51. Ra4 Kg7 52. Re4 Rc3+ 53. Re3 Rc4 54. Ke2 Kf6 55. Kd2 Kg7 56. Rc3 Rg4 57. Kc2 Kf6 58. Re3 Kf5 59. Kb3 Rd4 60. a4 Kf6 61. Rc3 Rg4 62. a5 Re4 63. a6 Re6 64. a7 Ra6 65. Rc7 Ke5 66. Kb4 Kd5 67. Kb5 Ra1 68. Rd7+ Ke6 69. Rg7 Kf6 70. Rc7 Ke6 71. Rc6+ Kd5 72. Ra6 Rb1+ 73. Ka5 Ra1+ 74. Kb6 1-0

[Event "Kalamazoo WMU op"]
[Site "Kalamazoo"]
[Date "1986.??.??"]
[Round "3"]
[White "Groeller, William"]
[Black "Mills, James A"]
[Result "0-1"]
[ECO "E85"]
[BlackElo "2210"]
[PlyCount "66"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Be3 Nc6 6. Nge2 Nf6 7. f3 0-0 8. d5 Ne7 9. Qd2 Ne8 10. Nc1 f5 11. Nd3 Nf6 12. Be2 a6 13. 0-0 f4 14. Bf2 g5 15. c5 Bd7 16. b4 h5 17. Nb2 g4 18. cxd6 cxd6 19. Nc4 Bc8 20. a4 Ng6 21. a5 Rf7 22. Nb6 Rb8 23. Rac1 Kh7 24. Qa2 Bh6 25. Rc2 Rg7 26. b5 g3 27. Be1 Nd7 28. Nxd7 Bxd7 29. bxa6 bxa6 30. Qa3 Qh4 31. h3 Bxh3 32. gxh3 Qxh3 33. Bxa6 Nh4 0-1

[Event "Kalamazoo WMU op"]
[Site "Kalamazoo"]
[Date "1986.??.??"]
[Round "5"]
[White "Groeller, William"]
[Black "Rohland, Marshall"]
[Result "1-0"]
[ECO "E77"]
[PlyCount "43"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[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. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. 0-0 Bf5 11. Bd3 Ne4 12. Bxe4 Bxe4 13. Ng5 Bf5 14. g4 Bc8 15. f5 gxf5 16. gxf5 Qf6 17. Nge4 Qh4 18. Bg5 Qh3 19. Rf3 Qg4+ 20. Rg3 Qxd1+ 21. Rxd1 Bxf5 22. Nxd6 1-0

[Event "Dearborn ch-MI M/X"]
[Site "Dearborn"]
[Date "1986.??.??"]
[Round "2"]
[White "Groeller, William"]
[Black "Thompson, D."]
[Result "1-0"]
[ECO "D44"]
[PlyCount "81"]
[EventDate "1986.??.??"]
[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 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 c6 5. Nc3 dxc4 6. a4 Bb4 7. e3 Qa5 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Bxc4 Rg8 12. 0-0 Qa5 13. Ne4 Nd7 14. Qb3 Kf8 15. f4 Kg7 16. f5 Nb6 17. fxe6 Nxc4 18. exf7 Kxf7 19. Qxc4+ Qd5 20. Qxd5+ cxd5 21. Nxf6 Rg6 22. Nxd5+ Kg7 23. Rac1 Rd6 24. Rc7+ Rd7 25. Rfc1 Kf7 26. Rxc8 Rxc8 27. Rxc8 Rxd5 28. Rc7+ Ke6 29. Rxb7 Ra5 30. Rb4 Kd5 31. Rb5+ Rxb5 32. axb5 Kc4 33. Kf2 Kxb5 34. Ke2 Kc4 35. Kd2 h5 36. g3 a6 37. h3 Kd5 38. Kd3 a5 39. e4+ Ke6 40. Kc4 Kf6 41. Kb5 1-0

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "5"]
[White "Groeller, William"]
[Black "Yahkind, Al"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "31"]
[EventDate "1986.??.??"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 0-0 7. e3 h6 8. Bh4 Be6 9. Bd3 c5 10. dxc5 Nc6 11. a3 a5 12. Nge2 d4 13. Nxd4 Nxd4 14. exd4 Qxd4 15. Bg3 Qxc5 16. h3 1/2-1/2

[Event "Kalamazoo WMU op"]
[Site "Kalamazoo"]
[Date "1986.??.??"]
[Round "2"]
[White "Haakonstad, Olaf"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "110"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. 0-0 e6 7. d3 Nge7 8. Be3 0-0 9. Qd2 Rb8 10. Bh6 Nd4 11. Bxg7 Kxg7 12. Nd1 e5 13. c3 Qa5 14. Ne3 b5 15. f4 Nxe2+ 16. Qxe2 b4 17. Nc4 Qc7 18. cxb4 Rxb4 19. b3 Nc6 20. f5 f6 21. Rf2 Nd4 22. Qg4 a5 23. Ne3 Bb7 24. fxg6 hxg6 25. Nf5+ Nxf5 26. Rxf5 Bc8 27. Raf1 Bxf5 28. Rxf5 a4 29. Rf1 axb3 30. axb3 Rxb3 31. h4 Qc8 32. Qd1 c4 33. dxc4 Qxc4 34. Qxd6 Qd4+ 35. Qxd4 exd4 36. Rd1 Rd8 37. Kf2 d3 38. Bf3 d2 39. Be2 Rd4 40. h5 Rc3 41. hxg6 Kxg6 42. Kg2 Re3 43. Kf2 Rexe4 44. Kf3 Re5 45. Kf2 Kf5 46. Kf3 Ke6 47. Rb1 Rde4 48. Rb6+ Kf7 49. Rb7+ Re7 50. Rxe7+ Rxe7 51. g4 Re5 52. Kf2 Ke6 53. Kf3 Kd5 54. Kf2 Kd4 55. Kf3 Kc3 0-1

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "2"]
[White "Hankinson, Chris"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "54"]
[EventDate "1986.??.??"]
[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 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nc6 6. 0-0 e6 7. d3 Nge7 8. f5 gxf5 9. Qe1 Nd4 10. Nxd4 cxd4 11. Ne2 0-0 12. Bg5 f6 13. Bd2 fxe4 14. dxe4 Nc6 15. Nf4 Qe8 16. Qh4 Ne5 17. Bb3 Ng6 18. Nxg6 hxg6 19. Bb4 Qc6 20. Qg4 Rf7 21. Qxg6 a5 22. e5 dxe5 23. Ba3 a4 24. Rf3 axb3 25. Rh3 Qxc2 26. Rh8+ Kxh8 27. Qxf7 Rxa3 0-1

[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "2"]
[White "Rohde, Michael A"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2445"]
[PlyCount "59"]
[EventDate "1986.08.03"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be6 9. Be2 Be7 10. a5 Nbd7 11. 0-0 0-0 12. Nd5 Nxd5 13. exd5 Bf5 14. c4 b6 15. axb6 Nxb6 16. b3 Rfb8 17. Bd2 Qb7 18. Ba5 Nd7 19. b4 Bd8 20. Bxd8 Rxd8 21. Nh4 Be4 22. Qd2 h6 23. Bg4 Rab8 24. Bf5 Bxf5 25. Nxf5 Nf6 26. Ra3 Qd7 27. Nxh6+ gxh6 28. Qxh6 Ng4 29. Qg5+ Kf8 30. Rh3 1-0

[Event "Dearborn ch-MI M/X"]
[Site "Dearborn"]
[Date "1986.??.??"]
[Round "1"]
[White "Stone, Raymond"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2315"]
[PlyCount "71"]
[EventDate "1986.??.??"]
[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 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 Nbd7 7. Qc2 c5 8. 0-0-0 cxd4 9. Nxd4 dxc4 10. Bxc4 Qa5 11. h4 Bb4 12. Nb3 Qb6 13. Kb1 a6 14. Be2 Qc7 15. Rc1 b5 16. Bf3 Bb7 17. Qe2 Bxf3 18. Qxf3 Qb6 19. Ne4 Be7 20. Nxf6+ Bxf6 21. Rc6 Qa7 22. Qe4 Rac8 23. Rhc1 Rxc6 24. Qxc6 Ne5 25. Qe4 Qa8 26. Nc5 Qxe4+ 27. Nxe4 Bxg5 28. hxg5 Rd8 29. Rc7 Kf8 30. Ra7 Rd1+ 31. Kc2 Rg1 32. g3 Ng4 33. Nd6 f6 34. Rf7+ Kg8 35. Re7 e5 36. Re8# 1-0

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "6"]
[White "Thomas, Cleofis"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "142"]
[EventDate "1986.??.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. 0-0 0-0 9. Be3 Qc7 10. Nd5 Nxd5 11. exd5 Bf5 12. c4 Nd7 13. b4 a5 14. a3 Rfc8 15. Rc1 axb4 16. axb4 Ra2 17. Nd2 Qb8 18. Nb3 b6 19. Bd3 Bg6 20. Bxg6 hxg6 21. Qd3 Qb7 22. c5 bxc5 23. Na5 Qa8 24. Qb3 Rxa5 25. bxa5 Qxa5 26. Ra1 Qb6 27. Rfb1 Qxb3 28. Rxb3 Nf6 29. Bg5 Nxd5 30. Bxe7 Nxe7 31. Rb7 Re8 32. Rd7 d5 33. Raa7 Kf8 34. Rac7 c4 35. Kf1 g5 36. Ke2 f5 37. g3 f4 38. g4 e4 39. h3 g6 40. Kd2 Kf7 41. Rxd5 Ke6 42. Rxg5 Rd8+ 43. Ke1 Kf6 44. Ra5 Nd5 45. Rxc4 e3 46. fxe3 fxe3 47. Re4 g5 48. Ra6+ Kf7 49. Re5 Nb4 50. Rf5+ Ke7 51. Ra7+ Ke6 52. Rc7 Rd7 53. Rc8 Rd2 54. Rc3 Nc2+ 55. Rxc2 Rxc2 56. Rxg5 Kf6 57. Rf5+ Kg6 58. Re5 Ra2 59. Rxe3 Kg5 60. Re5+ Kf4 61. Rf5+ Kg3 62. Rh5 Kf4 63. Rh8 Kg5 64. Rg8+ Kh4 65. g5 Kxh3 66. g6 Kg4 67. Rf8 Ra7 68. Rf7 Ra8 69. Kf2 Kg5 70. g7 Rg8 71. Kf3 Kg6 1/2-1/2

[Event "Monroe ch-MI op"]
[Site "Monroe"]
[Date "1986.??.??"]
[Round "4"]
[White "Thompson, D."]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "47"]
[EventDate "1986.??.??"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. Be3 cxd4 9. cxd4 Bb4+ 10. Nc3 Nc6 11. 0-0 Qd7 12. g4 Bg6 13. Ne5 Nxe5 14. dxe5 Bxc3 15. exf6 Bxf6 16. Qxd7+ Kxd7 17. Bb5+ Kc7 18. Rac1+ Kb8 19. Rfd1 Rc8 20. Bd7 Rc7 21. Bc5 Be5 22. Bxe6 fxe6 23. Rd8+ Rc8 24. Bd6+ 1-0

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "4"]
[White "Almquist, W."]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B79"]
[PlyCount "76"]
[EventDate "1985.??.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Bb3 Rfc8 12. g4 Ne5 13. h4 Rxc3 14. Qxc3 Qxc3 15. bxc3 Rc8 16. Kb2 a5 17. a3 a4 18. Ba2 Nc4+ 19. Bxc4 Rxc4 20. h5 Be8 21. hxg6 hxg6 22. Bh6 Nd7 23. Bxg7 Kxg7 24. g5 Rc5 25. f4 e5 26. fxe5 Nxe5 27. Ne2 Nc4+ 28. Ka2 Rxg5 29. Rdg1 Re5 30. Nf4 Bc6 31. Nh5+ Kf8 32. Nf6 Ke7 33. Rf1 Bxe4 34. Rh8 Bf5 35. Ng8+ Kd7 36. Nf6+ Kc7 37. Rh7 Be6 38. Ng8 Nd2+ 0-1

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "1"]
[White "Groeller, William"]
[Black "Brattin, Vincent"]
[Result "1/2-1/2"]
[ECO "D90"]
[PlyCount "107"]
[EventDate "1985.??.??"]
[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 c6 2. c4 d5 3. Nf3 g6 4. Nc3 Nf6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 a6 8. Ne5 Nh5 9. Nxc6 bxc6 10. Bg5 Qb6 11. Qd2 Rb8 12. Na4 Qb4 13. Qxb4 Rxb4 14. b3 h6 15. Bh4 g5 16. Be2 Nf6 17. Bg3 Ne4 18. Be5 f6 19. Bc7 Rb7 20. Ba5 e5 21. f3 Nd6 22. Rc1 exd4 23. exd4 Nf5 24. Rxc6 Bd7 25. Rb6 Rxb6 26. Nxb6 Nxd4 27. Nxd5 Nxe2 28. Nxf6+ Ke7 29. Nxd7 Kxd7 30. Kxe2 Bc5 31. Rc1 Re8+ 32. Kd3 Re3+ 33. Kc4 Bd6 34. Rd1 Kc6 35. h3 Re5 36. Bc3 Rc5+ 37. Kd3 Bf4 38. Bd4 Rd5 39. Ke4 Ra5 40. a4 Rd5 41. Rd3 Rd8 42. Rc3+ Kb7 43. Rc5 Bg3 44. Rf5 Re8+ 45. Kd3 Rd8 46. b4 Bf2 47. Rf7+ Kc8 48. Rf6 Bxd4 49. Rxa6 Bb6+ 50. Ke4 Kb7 51. b5 Rd2 52. a5 Bc7 53. Rxh6 Bxa5 54. h4 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "1"]
[White "Groeller, William"]
[Black "Golonka, Stan"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "85"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 d6 7. Be3 g6 8. Nxc6 bxc6 9. e5 Ng4 10. exd6 Nxe3 11. fxe3 exd6 12. 0-0 d5 13. Qd4 Rg8 14. Nxd5 cxd5 15. Bxd5 Be6 16. Bc6+ Bd7 17. Qe4+ Be7 18. Bxa8 f5 19. Qd5 Rf8 20. Rad1 Qc7 21. Rd3 Bb5 22. Rc3 Qd8 23. Bc6+ Bxc6 24. Qxc6+ Qd7 25. Qxd7+ Kxd7 26. Rd1+ Ke6 27. Rc6+ Kf7 28. Rxa6 Bc5 29. Rd7+ Kg8 30. Kf1 Bxe3 31. Rc6 Bf4 32. g3 Bb8 33. Rb6 f4 34. g4 Be5 35. Rbb7 f3 36. Rxh7 Rf4 37. Rhe7 Rf8 38. Rxe5 f2 39. Ree7 Rd8 40. Rg7+ Kh8 41. Rh7+ Kg8 42. Rbg7+ Kf8 43. Rh8+ 1-0

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "3"]
[White "Groeller, William"]
[Black "Johnson, Ri"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "98"]
[EventDate "1985.??.??"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 0-0 7. 0-0 Bxc3 8. bxc3 Ne4 9. Qc2 f5 10. Rd1 d6 11. Nd2 Qh4 12. Nxe4 fxe4 13. Bf1 Nd7 14. g3 Qg4 15. Bg2 Rf5 16. h3 Qg6 17. Bxe4 Bxe4 18. Qxe4 Raf8 19. Rd2 Rxf2 20. Qxg6 Rf1+ 21. Kg2 hxg6 22. Bb2 R1f3 23. Re1 R8f6 24. e4 e5 25. Ree2 Kf7 26. Rf2 Rxf2+ 27. Rxf2 Nb8 28. d5 Nd7 29. Ba3 Rxf2+ 30. Kxf2 Ke8 31. Kf3 Kd8 32. h4 Kc8 33. Ke3 Nf6 34. Kf3 Kb7 35. Bb4 a5 36. Ba3 Ka6 37. Bc1 Nh7 38. a4 Kb7 39. Kg4 Nf6+ 40. Kf3 Nd7 41. Ba3 Kc8 42. Kg4 Nf6+ 43. Kf3 Kd8 44. Bc1 Ke8 45. Be3 Nd7 46. Bf2 g5 47. hxg5 g6 48. Ke2 Nf8 49. Kd3 Kd7 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "6"]
[White "Groeller, William"]
[Black "Mason, A."]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "62"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 d5 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 0-0 8. Nge2 c6 9. 0-0 h6 10. Bh4 Re8 11. a3 Be7 12. b4 Nb6 13. b5 cxb5 14. Nxb5 a6 15. Nbc3 Nc4 16. Bxc4 dxc4 17. f3 Nd5 18. Bxe7 Rxe7 19. Nxd5 Qxd5 20. e4 Qa5 21. Qc2 Rc7 22. Nc3 b5 23. Rfd1 Rd7 24. Qd2 Bb7 25. d5 Qb6+ 26. Qd4 Qxd4+ 27. Rxd4 Rc8 28. Rb1 Ba8 29. Kf2 Kf8 30. Ke3 Ke7 31. e5 Rc5 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "3"]
[White "Groeller, William"]
[Black "Proszkow, T."]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "44"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. c4 Nd7 4. Nc3 h6 5. Be2 Ne7 6. Nf3 Ng6 7. 0-0 Be7 8. Qc2 0-0 9. Be3 c6 10. Rfd1 Qa5 11. a3 Qc7 12. b4 b6 13. Bd3 e5 14. Bf1 exd4 15. Bxd4 Nde5 16. Nxe5 dxe5 17. Be3 Be6 18. Rd2 Rad8 19. Rad1 Rxd2 20. Rxd2 Rd8 21. Rxd8+ Qxd8 22. Qa4 Qc7 1/2-1/2

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "5"]
[White "Groeller, William"]
[Black "Thomas, Cleofis"]
[Result "0-1"]
[ECO "C08"]
[PlyCount "108"]
[EventDate "1985.??.??"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. dxc5 Bxc5 9. 0-0 0-0 10. Nb3 Bb6 11. Bg5 Rc8 12. c3 Re8 13. Nbd4 Bxd4 14. Nxd4 Nc5 15. Qf3 Nce4 16. Bxf6 Nxf6 17. Rfe1 Qb6 18. Rxe8+ Rxe8 19. Nb3 a5 20. Rb1 a4 21. Nd2 d4 22. cxd4 Qxd4 23. Qc3 Qxc3 24. bxc3 Re2 25. Rxb7 g6 26. Rb8+ Kg7 27. Rd8 Ne4 28. Nf1 Nxc3 29. Rd3 Rc2 30. g3 Ne2+ 31. Kg2 Nc1 32. Rd1 Nxa2 33. Ne3 Rb2 34. Rd3 Rb3 35. Rxb3 axb3 36. Nc4 Kf6 37. Kf3 Nc3 38. Nb2 Ke5 39. Ke3 Kd5 40. Kd3 Nb5 41. h4 Kc5 42. g4 Kb4 43. h5 Nd6 44. Kd4 Ka3 45. Nd3 b2 46. Nxb2 Kxb2 47. Kd5 Ne8 48. Kc6 Kc2 49. Kd7 Ng7 50. Ke7 Nxh5 51. Kxf7 Nf4 52. Kf6 Kd3 53. Kg5 Ne6+ 54. Kf6 Ke4 0-1

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "2"]
[White "Shields, Paul"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "54"]
[EventDate "1985.??.??"]
[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 c5 2. Ne2 Nc6 3. Nbc3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. Nf4 0-0 8. d3 Rb8 9. Nce2 b5 10. c3 b4 11. c4 d6 12. Rb1 Re8 13. Be3 e5 14. Nd5 Nxd5 15. cxd5 Nd4 16. Nxd4 cxd4 17. Bc1 Bd7 18. f4 f5 19. fxe5 Bxe5 20. Qf3 Qe7 21. Qe2 fxe4 22. Bxe4 Bh3 23. Rf2 Rf8 24. Bd2 Rxf2 25. Qxf2 a5 26. Rc1 Rc8 27. Rxc8+ Bxc8 1/2-1/2

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "7"]
[White "Skidmore, Mike"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "65"]
[EventDate "1985.??.??"]
[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 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. h3 b6 8. d3 Bb7 9. Nbd2 d6 10. Nf1 e6 11. Bg5 h6 12. Be3 a6 13. Ba4 b5 14. Bc2 e5 15. Ng3 Qc7 16. Qd2 Kh7 17. Rac1 Rfe8 18. Nh2 Ne7 19. f4 Rad8 20. fxe5 dxe5 21. Qf2 Rc8 22. d4 exd4 23. cxd4 Neg8 24. d5 Nd7 25. Ng4 Ne5 26. Bf4 Nxg4 27. hxg4 Qd7 28. Qf3 Bd4+ 29. Kh2 Qe7 30. Ne2 Bxb2 31. Rcd1 Rcd8 32. g3 Be5 33. Bxe5 1-0

[Event "Lansing-chMI op"]
[Site "Lansing"]
[Date "1985.??.??"]
[Round "6"]
[White "Smith, Les Leroy"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "58"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. e3 Nf6 3. Nf3 Bg4 4. d4 Nbd7 5. Bd3 c5 6. c3 cxd4 7. exd4 e6 8. 0-0 Bd6 9. Qe1 Bxf3 10. Rxf3 0-0 11. Rh3 Re8 12. Qh4 Nf8 13. g4 Ne4 14. g5 f5 15. gxf6 Qxf6 16. Bxe4 dxe4 17. Be3 Ng6 18. Qg4 Qf5 19. Qg2 Nxf4 20. Bxf4 Bxf4 21. Na3 Rf8 22. Re1 Rf6 23. Kh1 Rg6 24. Qf1 Rf8 25. Nc4 Rg4 26. Re2 Qg5 27. Rf2 Rf6 28. Rg2 Bc7 29. Rf2 Rxf2 0-1

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "5"]
[White "Stefanski, Mark"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "84"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d3 Bg7 5. Bg5 d6 6. h3 Nf6 7. Qd2 a6 8. Bh6 0-0 9. Bxg7 Kxg7 10. g3 e5 11. Bg2 Nd4 12. 0-0 Bxh3 13. Nxd4 Bxg2 14. Nf5+ gxf5 15. Kxg2 f4 16. Rh1 Rg8 17. gxf4 Kh8+ 18. Kf3 Rg4 19. fxe5 dxe5 20. Nd5 Rg6 21. Nxf6 Qxf6+ 22. Ke2 Rag8 23. Qe3 Qg5 24. Qh3 Qg4+ 25. Qxg4 Rxg4 26. Rh3 Rg1 27. Rxg1 Rxg1 28. Rh6 Rg6 29. Rxg6 fxg6 30. Kf3 h5 31. b3 b5 32. c3 b4 33. cxb4 cxb4 34. Kg3 g5 35. f3 Kg7 36. Kh3 Kf6 37. Kg3 Ke6 38. Kf2 Kd6 39. Ke3 h4 40. Kf2 Kc5 41. Ke3 a5 42. f4 gxf4+ 0-1

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "2"]
[White "Waters, George"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "63"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. Nbd2 Bg7 5. g3 d6 6. Bg2 Nf6 7. 0-0 0-0 8. a4 Bg4 9. h3 Bxf3 10. Nxf3 e5 11. c3 d5 12. exd5 Qxd5 13. Nd4 e4 14. Nxc6 Qxc6 15. Qb3 Rad8 16. Qc4 Rfe8 17. Be3 Bf8 18. Bg5 Qe6 19. Qxe6 Rxe6 20. dxe4 Rd3 21. Rfd1 Rxd1+ 22. Rxd1 Nxe4 23. Bxe4 Rxe4 24. Rd8 Kg7 25. Bh6+ Kxh6 26. Rxf8 Kg7 27. Rc8 Re2 28. Rxc5 Rxb2 29. Rc7 Ra2 30. Rxb7 Rxa4 31. c4 Rxc4 32. Rxa7 1/2-1/2

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Almquist, W."]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "114"]
[EventDate "1984.??.??"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. Bxc3 Bxc3+ 11. bxc3 0-0 12. 0-0 Be6 13. Nc5 Qe7 14. Nxe6 Qxe6 15. Qe2 Rfd8 16. Qe4 g6 17. f4 Qd5 18. f5 Qxe4 19. Bxe4 Rd6 20. Rf2 Kg7 21. Raf1 f6 22. fxg6 hxg6 23. g4 Rad8 24. h4 Rh8 25. Rh2 b6 26. h5 Ne7 27. Rg2 g5 28. Rgf2 Ng8 29. Kg2 Nh6 30. Kg3 Rc8 31. Rf3 Rc4 32. Re3 Ra4 33. Ra1 Ra3 34. Bf3 f5 35. Rxe5 f4+ 36. Kf2 Kf6 37. Rd5 Rxd5 38. Bxd5 Nxg4+ 39. Kf3 Ne5+ 40. Ke4 Rxc3 41. Rh1 Re3+ 42. Kd4 g4 43. h6 Ng6 44. Be4 Rh3 45. a4 Rxh1 46. Bxh1 Kg5 47. h7 Kh6 48. a5 Kxh7 49. c4 f3 50. axb6 axb6 51. c5 bxc5+ 52. Kxc5 Nh4 53. Kd4 g3 54. Ke3 g2 55. Bxg2 fxg2 56. Kf2 Kg6 57. Kg1 Kf5 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Charison, M."]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "58"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. f5 gxf5 8. d3 0-0 9. Ng5 f6 10. Nh3 Ne5 11. Bb3 fxe4 12. dxe4 c4 13. Ba4 a6 14. Kh1 b5 15. Nxb5 axb5 16. Bxb5 Qb6 17. a4 Ba6 18. Bxa6 Rxa6 19. b3 cxb3 20. cxb3 Rb8 21. Ba3 N7g6 22. b4 Nc4 23. b5 Ra7 24. Bb4 Ne3 25. Qd6 Nxf1 26. Qxb6 Rxb6 27. Bc5 Rxa4 28. Bxb6 Rxa1 29. Ng1 Rb1 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Forte, Joe"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "56"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Qc2 g6 5. cxd5 cxd5 6. Bd2 Nc6 7. e3 Bg7 8. Bd3 0-0 9. a3 e5 10. dxe5 Nxe5 11. Nge2 Nxd3+ 12. Qxd3 Bf5 13. Qb5 Re8 14. Nd4 a6 15. Qb3 Be6 16. 0-0 Ne4 17. Nxe4 dxe4 18. Nxe6 Rxe6 19. Bc3 Qb6 20. Qc4 Qc6 21. Qb3 Rc8 22. Bxg7 Kxg7 23. g3 Qb6 24. Qxb6 Rxb6 25. b4 Rc2 26. Rfc1 Rbc6 27. Rxc2 Rxc2 28. Rd1 Ra2 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Bautista, Lester"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "107"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. 0-0 e6 7. exd6 cxd6 8. c4 Nf6 9. Nc3 d5 10. Re1 Be7 11. c5 0-0 12. h3 Bh5 13. a3 Ne4 14. Qa4 Bf6 15. Bf4 g5 16. Be5 Bg6 17. Bh2 a6 18. Rad1 Kg7 19. Bd3 Nxc3 20. bxc3 h5 21. Bxg6 Kxg6 22. Qc2+ Kg7 23. Be5 g4 24. hxg4 hxg4 25. Qd2 Kh7 26. Qf4 Nxe5 27. Nxe5 Bxe5 28. Rxe5 Qh4 29. Rg5 Qh6 30. Rb1 Rab8 31. Qxg4 Rg8 32. Rxg8 Rxg8 33. Qf3 Rg6 34. g3 Rf6 35. Qe2 Qh3 36. Qf1 Qh5 37. Qd1 Qh3 38. Qd3+ Kg7 39. Rxb7 Rh6 40. Qf3 Qh2+ 41. Kf1 Qh3+ 42. Ke2 Rf6 43. Qe3 Qg4+ 44. f3 Qxg3 45. Rb1 Qh2+ 46. Qf2 Qh7 47. Rg1+ Kf8 48. Kd2 Rh6 49. Rg2 Rh1 50. Qg3 Rb1 51. Qd6+ Ke8 52. Qc6+ Ke7 53. Qc7+ Ke8 54. Rg8+ 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Brattin, Bryan"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "71"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Nf6 6. Re1 Be7 7. c3 b5 8. Bc2 Bb7 9. d4 0-0 10. a3 Qd7 11. Bg5 h6 12. Bh4 Rad8 13. Qd3 exd4 14. cxd4 Nb8 15. Bxf6 gxf6 16. Nh4 Qg4 17. Nf5 Kh8 18. Qe3 Rfe8 19. Qxh6+ Kg8 20. Nc3 Qg6 21. Qd2 Bc8 22. Re3 Bxf5 23. exf5 Qh6 24. Rg3+ Kh7 25. Rh3 Qxh3 26. gxh3 c6 27. Qf4 d5 28. Kh1 Bf8 29. Qh4+ Bh6 30. Qxf6 Rf8 31. Rg1 Rde8 32. Qh4 Rg8 33. Rxg8 Rxg8 34. f6+ Rg6 35. Bxg6+ Kxg6 36. Qg3+ 1-0

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Selitsky, B."]
[Result "1-0"]
[ECO "B33"]
[PlyCount "69"]
[EventDate "1984.??.??"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. c3 Bg7 12. Bd3 Be6 13. Qh5 0-0 14. exf5 Bxd5 15. f6 e4 16. fxg7 Re8 17. Qxd5 exd3+ 18. Kf1 Ne5 19. g3 Rc8 20. Re1 Rc5 21. Qe4 Re6 22. Kg2 Qf6 23. f4 Ng4 24. Qxd3 Qe7 25. Nc2 Nf6 26. Rxe6 fxe6 27. Re1 Rd5 28. Qe2 e5 29. Nb4 Rc5 30. Nd3 Qb7+ 31. Kg1 Rc4 32. fxe5 Re4 33. Qf2 Rxe1+ 34. Nxe1 Nd7 35. e6 1-0

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Thurman, John B"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "67"]
[EventDate "1984.??.??"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. 0-0 0-0 8. Bb3 Nc6 9. Kh1 Nxd4 10. Qxd4 Bd7 11. f4 Bc6 12. f5 e5 13. Qd3 Rc8 14. Bg5 Nd7 15. Bxe7 Qxe7 16. Rad1 Nc5 17. Qg3 Qf6 18. Nd5 Bxd5 19. Bxd5 Rc7 20. b3 Kh8 21. h4 Qh6 22. Qh3 Nd7 23. c4 b5 24. g4 f6 25. Rf2 Rfc8 26. Rh2 g6 27. g5 fxg5 28. hxg5 Qxh3 29. Rxh3 gxf5 30. exf5 Nb6 31. Be6 Rf8 32. g6 bxc4 33. bxc4 Rxc4 34. Rxh7# 1-0

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Wolfrom, D."]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "49"]
[EventDate "1984.??.??"]
[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. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. c4 b6 8. Nc3 Bb7 9. Be3 Nbd7 10. b4 Ne5 11. Nf3 Ned7 12. Nd4 Be7 13. f4 0-0 14. a3 Re8 15. g4 g6 16. h3 Bf8 17. Nde2 Rc8 18. Rc1 Bg7 19. Ng3 d5 20. cxd5 Nxd5 21. Nxd5 Rxc1 22. Qxc1 exd5 23. e5 f6 24. exf6 Qxf6 25. Kh2 1/2-1/2

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "O'Donnell, Robert"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "62"]
[EventDate "1984.??.??"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nde2 e6 8. 0-0 Be7 9. Bb3 a6 10. Ng3 h5 11. Bg5 h4 12. Bxf6 hxg3 13. Bxe7 gxh2+ 14. Kh1 Kxe7 15. Qg4 Qa5 16. f4 Qh5 17. Qxg7 Bd7 18. Qg3 Rag8 19. Qf2 Rg4 20. f5 Ne5 21. fxe6 Bxe6 22. Qf6+ Kd7 23. Rad1 Rhg8 24. Nd5 Bxd5 25. Rxd5 R4g6 26. Rxd6+ Kc8 27. Qe7 Rxg2 28. Rd8+ Rxd8 29. Qc5+ Kb8 30. Kxg2 Rg8+ 31. Kh1 Rg1+ 1-0

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Prusaitis, William"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "112"]
[EventDate "1984.??.??"]
[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. Nf3 Nc6 3. c3 d5 4. e5 Bf5 5. d4 e6 6. Bd3 Bxd3 7. Qxd3 Qb6 8. 0-0 cxd4 9. cxd4 Nge7 10. Nc3 Nf5 11. Be3 g6 12. Qb5 Be7 13. Qxb6 axb6 14. a3 Na5 15. Nd2 Kd7 16. Rac1 Rhc8 17. Na4 Bd8 18. Nc3 Rc6 19. Ne2 Rac8 20. Rxc6 bxc6 21. g4 Nxe3 22. fxe3 Ke8 23. Rf3 Kf8 24. Kg2 Kg7 25. Kg3 Be7 26. Rf1 c5 27. Rc1 Rc6 28. Rc2 h6 29. h4 f6 30. exf6+ Bxf6 31. dxc5 bxc5 32. b4 cxb4 33. Rxc6 Nxc6 34. axb4 Nxb4 35. Nf3 Nc2 36. Nfd4 Bxd4 37. exd4 g5 38. hxg5 hxg5 39. Kf3 Kf6 40. Kf2 Ke7 41. Kg2 Kd7 42. Ng1 Nxd4 43. Nh3 e5 44. Nxg5 e4 45. Kf2 Ne6 46. Nh3 Kd6 47. g5 Ke5 48. g6 Kf5 49. Ng1 Kxg6 50. Ne2 Kf5 51. Ke3 Ke5 52. Nc1 d4+ 53. Kd2 e3+ 54. Ke1 Nf4 55. Kd1 Ke4 56. Ke1 Nd3+ 0-1

[Event "Plymouth ch-MI op"]
[Site "Plymouth"]
[Date "1984.??.??"]
[Round "?"]
[White "Skidmore, Mike"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "82"]
[EventDate "1984.??.??"]
[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. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e6 6. Re1 Nge7 7. d3 0-0 8. Nbd2 d5 9. e5 b6 10. Nf1 a6 11. Bxc6 Nxc6 12. d4 Bd7 13. Be3 cxd4 14. cxd4 f6 15. exf6 Bxf6 16. Qd2 Qe7 17. Bh6 Rfc8 18. Ne3 Qb4 19. Qxb4 Nxb4 20. Ng4 Bh8 21. Rec1 Nc2 22. Rab1 Nxd4 23. Rxc8+ Rxc8 24. Nfe5 Bb5 25. b3 Rc2 26. a4 Be8 27. Bg5 Ne2+ 28. Kf1 Nc3 29. Re1 Ne4 30. Be3 h5 31. Nh6+ Kf8 32. Nf3 Bc3 33. Rd1 Kg7 34. g4 Nxf2 35. Bxf2 Kxh6 36. g5+ Kg7 37. Bxb6 Bd7 38. Rd3 e5 39. Bc7 Bh3+ 40. Kg1 Rc1+ 41. Kf2 e4 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Smith, Walter"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "78"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Nc3 Bg7 5. 0-0 e6 6. Re1 Nge7 7. e5 0-0 8. d3 a6 9. Bxc6 Nxc6 10. Bg5 f6 11. Bh4 g5 12. exf6 Bxf6 13. Bg3 d5 14. Qd2 Nd4 15. Nxd4 Bxd4 16. Re2 Rf5 17. Rae1 Bd7 18. Nd1 Qb6 19. c3 Bg7 20. Ne3 Rf7 21. Ng4 h6 22. Ne5 Bxe5 23. Bxe5 Rf5 24. d4 cxd4 25. Bxd4 Qd6 26. Qc2 Qf4 27. f3 h5 28. b3 g4 29. g3 Qh6 30. fxg4 hxg4 31. Re5 Raf8 32. Be3 Qh5 33. Bf4 Rxe5 34. Rxe5 Rf5 35. Qe2 Rxe5 36. Qxe5 Qxe5 37. Bxe5 Kf7 38. Kg2 Kg6 39. h3 gxh3+ 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Harrold, A."]
[Result "1-0"]
[ECO "C19"]
[PlyCount "61"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. a4 Nge7 8. Nf3 Qa5 9. Qd2 Bd7 10. Be2 h6 11. 0-0 Nf5 12. Rd1 cxd4 13. cxd4 Qxd2 14. Rxd2 Rc8 15. g4 Nfe7 16. a5 h5 17. h3 hxg4 18. hxg4 Nb4 19. Bd1 Bb5 20. Rb1 Nec6 21. Ba3 Nxc2 22. Bxc2 Nxa5 23. Rxb5 Nc4 24. Rxb7 Nxa3 25. Ba4+ Kf8 26. Rdb2 g6 27. Rxa7 Rc1+ 28. Kg2 Rhh1 29. Rbb7 Nc4 30. Rxf7+ Kg8 31. Rfe7 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Molenda, E."]
[Result "1-0"]
[ECO "B04"]
[PlyCount "34"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 Nd7 6. Nf3 g6 7. c4 N5b6 8. Be2 Bg7 9. 0-0 0-0 10. Nc3 c5 11. Be3 cxd4 12. Bxd4 e5 13. Be3 Qc7 14. Qb3 Nc5 15. Qb5 e4 16. Bxc5 exf3 17. Bxf3 Re8 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Groeller, William"]
[Black "Winfield, J."]
[Result "1-0"]
[ECO "C62"]
[PlyCount "91"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Qxd4 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 Be7 9. 0-0-0 Ng4 10. Qxg7 Bxg5+ 11. Nxg5 Qf6 12. Qxf6 Nxf6 13. g3 Rg8 14. Nh3 0-0-0 15. f3 d5 16. exd5 Nxd5 17. Nxd5 Rxd5 18. Rxd5 Bxd5 19. Rf1 Re8 20. Kd2 a5 21. a3 Be6 22. Nf4 Bc4 23. Re1 Rd8+ 24. Kc3 Bd5 25. Nxd5 Rxd5 26. Re2 Rf5 27. f4 Kd7 28. Kd4 f6 29. Ke4 Rc5 30. Kf3 h5 31. g4 a4 32. gxh5 Rxh5 33. Kg4 Rh6 34. h4 b5 35. h5 c6 36. Re3 Kd6 37. Re8 Kd7 38. Rg8 Ke6 39. Rg6 Rh7 40. h6 c5 41. Kh5 Kf7 42. f5 Rh8 43. Rg7+ Ke8 44. Kg6 b4 45. c3 Kf8 46. axb4 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Holmes, John"]
[Black "Groeller, William"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "52"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bc4 Bb4 8. Qf3 0-0 9. 0-0 Qc7 10. Bg5 Be7 11. Bb3 d6 12. Rfe1 Ne8 13. Bxe7 Qxe7 14. Qd3 Nc7 15. h3 Be6 16. Rad1 Bxb3 17. axb3 Rad8 18. Qg3 f5 19. f4 Rde8 20. exf5 Rxf5 21. fxe5 dxe5 22. Ne4 Rf4 23. Qc3 c5 24. Nd6 Ref8 25. Qxe5 Rf1+ 26. Kh2 Qxe5+ 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Nolan, Michael E"]
[Black "Groeller, William"]
[Result "1/2-1/2"]
[ECO "E68"]
[PlyCount "45"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Nbd7 7. 0-0 c6 8. e4 e5 9. d5 Nc5 10. Re1 a5 11. Qc2 h6 12. Be3 Nfd7 13. Rad1 Qc7 14. dxc6 bxc6 15. Qd2 Ba6 16. b3 Nb7 17. Bxh6 a4 18. Bxg7 Kxg7 19. Bf1 axb3 20. axb3 Qb6 21. Qb2 Rfd8 22. Nh4 Qc7 23. b4 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Palmer, Tony"]
[Black "Groeller, William"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "41"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nde2 Nf6 7. g3 0-0 8. Bg2 d6 9. 0-0 Be6 10. h3 Rc8 11. Be3 Qa5 12. Qd2 Rfd8 13. Rfd1 Ne5 14. Kh2 Bxh3 15. b4 Neg4+ 16. Kg1 Qxb4 17. Rab1 Qc4 18. Bxh3 Nxe4 19. Nxe4 Qxe4 20. Bxg4 Qxg4 21. Rxb7 1-0

