[Event "Oregon op"]
[Site "Portland"]
[Date "1996.??.??"]
[Round "2"]
[White "Polasek, Preston"]
[Black "Dean, Randall"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "77"]
[EventDate "1996.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 a6 7. f4 d6 8. d3 0-0 9. h3 Bd7 10. a4 Rb8 11. g4 b5 12. axb5 axb5 13. g5 Ne8 14. Ng3 Nd4 15. Nce2 Nc7 16. Be3 e5 17. h4 Nxe2+ 18. Qxe2 exf4 19. Rxf4 f6 20. Nf5 Bxf5 21. Rxf5 fxg5 22. Rxf8+ Qxf8 23. hxg5 Ra8 24. Rf1 Qe8 25. c3 Qg6 26. e5 d5 27. c4 Rd8 28. cxd5 Nxd5 29. Be4 Qe8 30. Qh2 g6 31. e6 Bd6 32. Qh3 Be5 33. Rf7 Bg7 34. Bxc5 Qc6 35. b4 Qa6 36. Ra7 Nf4 37. Qh2 Qxe6 38. Qxf4 Qb3 39. Rxg7+ 1-0

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Bricher, James"]
[Black "Polasek, Preston"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "90"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. d4 e4 5. Ne5 Nf6 6. Bg5 Bd7 7. Nxd7 Nbxd7 8. Bb5 a6 9. Bxd7+ Qxd7 10. Bxf6 gxf6 11. Nd2 0-0-0 12. Nc4 Bf4 13. Ne3 Rhg8 14. Qe2 Rg6 15. g3 Bxe3 16. fxe3 Qxd5 17. c4 Qa5+ 18. Qd2 Qh5 19. Qe2 Qa5+ 20. Qd2 Qh5 21. 0-0 Rdg8 22. Qg2 f5 23. Rf4 Rg4 24. Rxg4 Rxg4 25. Rf1 Qg6 26. Qf2 Rg5 27. Qf4 h5 28. Kh1 f6 29. d5 Qh7 30. h4 Rg4 31. Qxf5+ Qxf5 32. Rxf5 Rxg3 33. Rxh5 Rxe3 34. Rf5 Rh3+ 35. Kg2 Rxh4 36. Rxf6 e3 37. b3 Rd4 38. Kf3 Rd2 39. Kxe3 Rxa2 40. Kd4 b6 41. Rf7 a5 42. Kc3 a4 43. bxa4 Rxa4 44. Kb3 Ra1 45. Kb4 Rb1+ 1/2-1/2

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Collins, Jay Thomas"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "105"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. Nd2 Bxe2 10. Qxe2 d5 11. e5 Nfd7 12. f4 c5 13. Nf3 Nc6 14. Qf2 cxd4 15. Nxd4 Nb6 16. b3 Qd7 17. a4 f6 18. exf6 Bxf6 19. a5 Nc8 20. a6 b6 21. Qd2 Nd6 22. Ra4 Rac8 23. Qd3 Rfe8 24. Ncb5 Nxd4 25. Nxd4 Ne4 26. Nb5 Nc5 27. Bxc5 Rxc5 28. c4 Rec8 29. Re1 Be7 30. Ra2 Bd6 31. Rae2 Re8 32. Nxd6 Qxd6 33. Qd4 Ra5 34. f5 Qc5 35. Qxc5 bxc5 36. cxd5 Rxa6 37. fxe6 Rd6 38. Re5 g6 39. Rc1 Kg7 40. Rxc5 Kf6 41. Re3 Re7 42. Kf2 a6 43. Ke2 Rb6 44. Rc4 Rd6 45. Rf4+ Kg7 46. Re5 Rb6 47. b4 Rb5 48. Kd3 a5 49. d6 Rxe5 50. dxe7 Rxe6 51. Re4 Rxe4 52. Kxe4 Kf7 53. bxa5 1-0

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Crispin, Thomas A"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C71"]
[PlyCount "93"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Bd7 6. Bxc6 bxc6 7. d4 f6 8. Nc3 g6 9. Be3 Nh6 10. dxe5 fxe5 11. Bg5 Qb8 12. Bf6 Rg8 13. Qd3 Nf7 14. 0-0-0 Be6 15. Ng5 Nxg5 16. Bxg5 Qb4 17. b3 h6 18. Bd2 Qa3+ 19. Kc2 0-0-0 20. Bc1 Qc5 21. Qe3 d5 22. Qxc5 Bxc5 23. cxd5 cxd5 24. Nxd5 Bxd5 25. Rxd5 Rxd5 26. exd5 Bxf2 27. Rf1 Bd4 28. Bxh6 Kd7 29. Rf8 Rxf8 30. Bxf8 e4 31. b4 Be5 32. h3 Bd6 33. Bxd6 Kxd6 34. h4 Kxd5 35. g4 Ke5 36. h5 Kf6 37. Kd2 Kg5 38. hxg6 Kxg6 39. Ke3 Kg5 40. Kxe4 Kxg4 41. a4 Kg5 42. b5 axb5 43. a5 b4 44. a6 b3 45. Kd3 c5 46. a7 c4+ 47. Kc3 1-0

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "3"]
[White "Frenkel, Filipp"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2205"]
[PlyCount "80"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nc6 3. d3 d6 4. Be2 Nd4 5. f4 Ne7 6. Be3 Nec6 7. f5 g6 8. g4 h5 9. fxg6 fxg6 10. gxh5 Be7 11. Nf3 Nxe2 12. Qxe2 Bg4 13. hxg6 Bh4+ 14. Kd2 0-0 15. Rf1 Qf6 16. g7 Rf7 17. Nxh4 Qxh4 18. Qe1 Qxh2+ 19. Kc3 Nd4 20. Nd2 Rxg7 21. Rh1 Ne2+ 22. Kc2 Qg2 23. Qh4 Rf8 24. Qh8+ Kf7 25. Raf1+ Nf4 26. Qh4 Ke8 27. Rh2 Qg3 28. Qxg3 Bd1+ 29. Kxd1 Rxg3 30. Bxf4 exf4 31. Rf3 Rg1+ 32. Nf1 Rfg8 33. Rhf2 R8g3 34. Ke2 Kd7 35. Rxf4 Rg6 36. b4 Rh6 37. b5 c6 38. Rf7+ Ke6 39. Rxb7 cxb5 40. cxb5 Rf6 1-0

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "4"]
[White "Hough, Randall D"]
[Black "Polasek, Preston"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "92"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Qc7 8. e4 e5 9. h3 a6 10. Be3 Nbd7 11. Rc1 Re8 12. Re1 b6 13. b4 Bb7 14. a3 Rad8 15. Qb3 Qb8 16. Re2 exd4 17. Nxd4 c5 18. Nc2 Nxe4 19. Nd5 Bxd5 20. cxd5 f5 21. Ne1 Ne5 22. Bf4 Nf7 23. Bxe4 fxe4 24. bxc5 bxc5 25. Qc2 Qc8 26. Rxe4 Qxh3 27. Nf3 Qg4 28. Rce1 Rf8 29. Qd3 Qf5 30. Nh4 Qh5 31. Nf3 g5 32. Bd2 g4 33. Nh4 Ne5 34. Qxa6 Bf6 35. Qe2 Bxh4 36. Rxe5 dxe5 37. gxh4 Qxh4 38. Rf1 g3 39. f4 Qh2+ 40. Qxh2 gxh2+ 41. Kxh2 Rxd5 42. Rg1+ Kf7 43. Bc3 exf4 44. Rg7+ Ke6 45. Rxh7 f3 46. Rh6+ Kd7 0-1

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "5"]
[White "Polasek, Preston"]
[Black "Arganian, David G"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "39"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. g3 f6 8. exf6 Qxf6 9. Bg2 Bd6 10. 0-0 0-0 11. c4 Nb4 12. Qb3 a5 13. a4 b6 14. Nb1 Bb7 15. Nc3 dxc4 16. dxc4 Bc6 17. Bd2 Qg6 18. Nb5 e5 19. Bxb4 axb4 20. Nh4 1-0

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "6"]
[White "Polasek, Preston"]
[Black "Edwards, Derek"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "48"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. Nbc3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 a6 7. Bg2 d6 8. 0-0 Bg7 9. Nxc6 bxc6 10. e5 d5 11. Re1 Ne7 12. f4 0-0 13. Be3 Qa5 14. Qd4 Nf5 15. Qc5 Qc7 16. Bf2 Rd8 17. Na4 Rb8 18. a3 Bf8 19. Qc3 c5 20. g4 d4 21. Qc4 Ne3 22. Bxe3 dxe3 23. c3 Bd7 24. Qxa6 Bb5 0-1

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "97"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. Nd5 Nge7 8. c3 0-0 9. d3 Rb8 10. Be3 b6 11. h3 f5 12. Qd2 Be6 13. Rad1 Qd7 14. d4 fxe4 15. Nxe7+ Nxe7 16. dxc5 bxc5 17. Bxc5 Nc8 18. Bxd6 Rd8 19. Bxb8 Qxd2 20. Rxd2 Rxd2 21. Nc1 Rxb2 22. Bc7 Nb6 23. Bxe4 Bxh3 24. Rd1 Be6 25. Nd3 Rxa2 26. Nxe5 Bxe5 27. Bxe5 Ra4 28. Rd8+ Kf7 29. Bd4 Bd5 30. f3 Bxe4 31. fxe4 Ra2 32. Rh8 h5 33. Rh7+ Kf8 34. Rg7 Re2 35. Rxa7 Nc4 36. Rc7 Nd2 37. e5 g5 38. Bc5+ Kg8 39. Rc8+ Kf7 40. Rf8+ Ke6 41. Bd4 h4 42. gxh4 gxh4 43. Rf6+ Kd5 44. Rd6+ Ke4 45. Rh6 Kf3 46. Rf6+ Kg3 47. Bf2+ Kg4 48. Bxh4 Kxh4 49. Rf2 1/2-1/2

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Wood, Richard"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "79"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 b5 3. c4 bxc4 4. dxc4 Nc6 5. Nc3 Nf6 6. Nf3 Bc5 7. Be2 0-0 8. 0-0 Rb8 9. Qc2 e5 10. Nd5 h6 11. Rb1 d6 12. a3 Nd4 13. Nxd4 Bxd4 14. Be3 c5 15. Bxd4 cxd4 16. b4 Bb7 17. Nxf6+ Qxf6 18. Bd3 Qg5 19. f4 exf4 20. Qf2 f5 21. Qxd4 fxe4 22. Bxe4 f3 23. Bd5+ Kh8 24. Rf2 Bxd5 25. Qxd5 Qe3 26. gxf3 Rf6 27. Qe4 Qxa3 28. b5 Qc5 29. Qd5 Rg6+ 30. Kf1 Qe3 31. Re1 Qf4 32. Rfe2 Rf8 33. Re8 Rgf6 34. Rxf8+ Rxf8 35. Kg2 Rf5 36. Re8+ Kh7 37. Qg8+ Kg6 38. Qe6+ Kh5 39. Qe4 Rg5+ 40. Kh3 1/2-1/2

[Event "North American op"]
[Site "Las Vegas"]
[Date "1995.??.??"]
[Round "3"]
[White "Pupols, Viktors"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2240"]
[PlyCount "63"]
[EventDate "1995.12.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. d3 Ngf6 7. Nc3 h6 8. 0-0 0-0 9. d4 e4 10. Nd2 Nb6 11. Ndxe4 Nxe4 12. Nxe4 Bxh2+ 13. Kxh2 Qh4+ 14. Kg1 Qxe4 15. Re1 Qxd5 16. Qg4 f5 17. Qg3 Qxd4 18. Bxh6 f4 19. Qg4 Qf6 20. Re6 Qxb2 21. Rae1 Rf7 22. Qg6 Raf8 23. Re7 Qc3 24. R1e4 Nd5 25. Rxf7 Rxf7 26. Re8+ Rf8 27. Qe6+ Kh7 28. Rxf8 Ne3 29. Qe4+ Kxh6 30. Qxf4+ Kh7 31. fxe3 Qe1+ 32. Kh2 1-0

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Raptis, Nick"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "79"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c6 4. c4 Nbd7 5. Nc3 e5 6. Nge2 g6 7. Be3 Bg7 8. Qd2 h5 9. d5 c5 10. 0-0-0 a6 11. h3 h4 12. g4 hxg3 13. Nxg3 Nh5 14. Nxh5 Rxh5 15. Be2 Nf8 16. h4 Bf6 17. f4 exf4 18. Bxf4 Rxh4 19. Rxh4 Bxh4 20. e5 dxe5 21. Bxe5 Bg5 22. Bf4 Bxf4 23. Qxf4 Bf5 24. Bf3 Qd7 25. Re1+ Kd8 26. Qg5+ Kc8 27. Re7 Qd8 28. d6 Ne6 29. Qf6 Qxd6 30. Nd5 Rb8 31. Qxf7 b5 32. Re8+ Nd8 33. Qa7 Rb7 34. Rxd8+ Qxd8 35. Qa8+ Kd7 36. Qxb7+ Ke8 37. Qc6+ Kf7 38. Qc7+ Qxc7 39. Nxc7 bxc4 40. Nxa6 1-0

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "7"]
[White "Sanchez, Tony"]
[Black "Polasek, Preston"]
[Result "0-1"]
[ECO "A53"]
[PlyCount "92"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 c6 3. c4 Nf6 4. Nc3 g6 5. h3 Bg7 6. Bf4 0-0 7. Qc2 Na6 8. a3 Nc7 9. e3 Bd7 10. Be2 b5 11. b3 a5 12. 0-0 b4 13. axb4 axb4 14. Na4 Bf5 15. Bd3 Bxd3 16. Qxd3 Ne6 17. Bh2 c5 18. Rad1 Nd7 19. d5 Nc7 20. e4 Ne8 21. g4 f6 22. Nh4 Nb6 23. Nxb6 Qxb6 24. f4 Ra3 25. Nf3 f5 26. Kh1 fxe4 27. Qxe4 Rxb3 28. Qe6+ Kh8 29. Ng5 Bf6 30. Nxh7 Ng7 31. Qe4 Kxh7 32. f5 Rxh3 33. fxg6+ Kg8 34. g5 Be5 35. Rxf8+ Kxf8 36. Rf1+ Kg8 37. Qg4 Rxh2+ 38. Kg1 Qd8 39. Rf3 Qa8 40. Rf1 Qe8 41. Rf7 e6 42. Qf3 Rh4 43. dxe6 Nxe6 44. Ra7 Bh2+ 45. Kg2 Nf4+ 46. Kf1 d5 0-1

[Event "Washington op-A"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "1"]
[White "Tomkins, Ken"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2350"]
[PlyCount "41"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 dxe4 5. Nc4 Nf6 6. Nxd6+ Qxd6 7. Nc3 Bg4 8. Be2 Bxe2 9. Nxe2 0-0 10. 0-0 c5 11. Bf4 Qb6 12. dxc5 Qxb2 13. Rb1 Qxa2 14. Rxb7 Qc4 15. Bd6 Rd8 16. Rb3 Nc6 17. Rc3 Qb4 18. Qa1 a5 19. Rb1 Nd5 20. Rg3 Qd2 21. Qxg7# 1-0

[Event "Continental op"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Akopian, Artak"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2050"]
[PlyCount "56"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 f5 7. exf6 Nxf6 8. Bd3 Bd6 9. 0-0 0-0 10. Re1 Qc7 11. Nc3 a6 12. Bg5 Ng4 13. h3 Bh2+ 14. Kf1 Nxf2 15. Kxf2 Qg3+ 16. Ke3 Rxf3+ 17. Qxf3 Qxg5+ 18. Kf2 Bd7 19. Rad1 g6 20. Qg4 Rf8+ 21. Bf5 Rxf5+ 22. Ke2 Qf6 23. Rf1 h5 24. Rxf5 exf5 25. Qf3 Nxd4+ 26. Rxd4 Qxd4 27. Qxd5+ Qxd5 28. Nxd5 Bc6 0-1

[Event "Concord op"]
[Site "Concord"]
[Date "1993.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Ayala, Nicholas"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "57"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nc7 7. 0-0 e5 8. d3 Be7 9. Be3 0-0 10. Qd2 Be6 11. f4 Qc8 12. fxe5 Nxe5 13. Nf4 Bg5 14. Nxe6 Bxe3+ 15. Qxe3 Qxe6 16. Qxc5 Rac8 17. Rae1 f6 18. Bxb7 Na6 19. Qxa7 Nf3+ 20. Bxf3 Qd6 21. Re7 Qc5+ 22. Qxc5 Rxc5 23. Rfe1 Nb4 24. R1e2 Re5 25. R7xe5 fxe5 26. Bd5+ Nxd5 27. Nxd5 Re8 28. d4 Re7 29. Nxe7+ 1-0

[Event "NWC op 05"]
[Site "Seattle"]
[Date "1993.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Wood, Richard"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "92"]
[EventDate "1993.05.??"]
[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 e6 2. d4 d5 3. e5 b6 4. c3 Qd7 5. a4 a5 6. f4 Ne7 7. Nd2 Nf5 8. Ndf3 Ba6 9. Bxa6 Nxa6 10. g4 Ne7 11. Nh4 c5 12. Be3 Nc6 13. Ngf3 h5 14. g5 g6 15. 0-0 Be7 16. Qc2 Rg8 17. Rfc1 Kf8 18. Qf2 Kg7 19. Ne1 cxd4 20. cxd4 Rgc8 21. Qe2 Ncb4 22. b3 Rxc1 23. Rxc1 Rc8 24. Nhf3 Rxc1 25. Bxc1 Qc6 26. Bb2 Nc7 27. Nd3 b5 28. axb5 Nxb5 29. Nxb4 Bxb4 30. Qd3 Kf8 31. Kf2 Ke7 32. Ne1 Nc3 33. Bxc3 Qxc3 34. Qxc3 Bxc3 35. Nc2 Kd7 36. Ke3 Kc6 37. Kd3 Bb2 38. h3 Kb5 39. Kd2 a4 40. bxa4+ Kxa4 41. Kd3 Bc1 42. Ne3 Kb3 43. Ng2 Kb2 44. Ne3 Bxe3 45. Kxe3 Kc3 46. h4 Kc4 0-1

[Event "NWC October op"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Crispin, Thomas A"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "40"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 e6 3. Nf3 c5 4. exd5 exd5 5. Bb5+ Nc6 6. 0-0 Nf6 7. Re1+ Be7 8. Ne5 Qb6 9. Nxd5 Nxd5 10. Nxf7 0-0 11. Bc4 Ncb4 12. Rxe7 Qf6 13. Re5 Rxf7 14. Qe2 Bd7 15. a3 b5 16. Rxd5 bxc4 17. axb4 Re8 18. Qd1 Qxf2+ 19. Kh1 Qf1+ 20. Qxf1 Rxf1# 0-1

[Event "NWC August op"]
[Site "Seattle"]
[Date "1988.??.??"]
[Round "?"]
[White "Pitre, Hanniegn G"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "69"]
[EventDate "1988.08.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Bg4 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd7 8. 0-0 Bd6 9. d4 Qf6 10. Nbd2 Qg6 11. Ne4 Bc7 12. Re1 Kf8 13. b3 Ngf6 14. Ba3+ Kg8 15. Neg5 Nd5 16. Qe2 Bd6 17. Bd3 Qf6 18. Ne4 Qxd4+ 19. Nxd4 Bxe2 20. Nxd6 Bxd3 21. cxd3 Ne3 22. Nxc6 Nc2 23. Ne7+ Kf8 24. Nec8 Rxc8 25. Nxc8+ Nxa3 26. Nd6 g6 27. Rac1 Kg7 28. Rc7 Rd8 29. Re7 Ne5 30. Ne8+ Kh6 31. Rxe5 Rxd3 32. Rxf7 Nc2 33. Rxf4 g5 34. Re6+ Kh5 35. Ng7# 1-0

[Event "Spokane CC Swiss"]
[Site "Spokane"]
[Date "1987.??.??"]
[Round "?"]
[White "Abrahamson, Norman"]
[Black "Polasek, Preston"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "46"]
[EventDate "1987.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5 Bf5 5. f3 Nbd7 6. Bc4 c6 7. Qe2 Qa5 8. 0-0-0 e6 9. Bxf6 Nxf6 10. fxe4 Bg4 11. Nf3 Bb4 12. Rd3 b5 13. Bb3 0-0 14. Qe3 Rad8 15. Ne5 Qb6 16. Rf1 c5 17. Rxf6 cxd4 18. Qf4 dxc3 19. Nxg4 Rxd3 20. cxd3 Qd4 21. e5 cxb2+ 22. Kb1 Qc3 23. Nf2 Ba3 0-1

[Event "Northwest Chess December op"]
[Site "Seattle"]
[Date "1985.12.??"]
[Round "?"]
[White "Bush, Casey"]
[Black "Polasek, Preston"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "57"]
[EventDate "1985.12.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 dxc3 8. Qb3 Qf6 9. Bg5 Qg6 10. Nxc3 f6 11. Bxg8 fxg5 12. Nxg5 Ne5 13. h4 Bxc3 14. Qxc3 Rxg8 15. Qxe5+ Kd8 16. Qd5 Re8 17. Rad1 c6 18. Qb3 Kc7 19. f4 h6 20. Qg3 d6 21. f5 Qf6 22. Ne6+ Rxe6 23. fxe6 Qxe6 24. Rf7+ Bd7 25. Rxg7 h5 26. e5 Rd8 27. Rxd6 Qxa2 28. Rdxd7+ Rxd7 29. e6+ 1-0

