[Event "Washington op 1st"]
[Site "Rockville"]
[Date "2012.07.31"]
[Round "7"]
[White "Kleszczewski, Nicholas"]
[Black "Chevannes, Sabrina"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2108"]
[BlackElo "2090"]
[PlyCount "92"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. exd5 cxd5 5. Bf4 a6 6. Nf3 Bg7 7. Qd2 Nc6 8. Ne5 Nxe5 9. dxe5 e6 10. 0-0-0 Bd7 11. Bd3 Ne7 12. Bg3 Qc7 13. Rhe1 b5 14. a3 0-0 15. f4 Rfb8 16. Bh4 Nc6 17. b4 Rc8 18. Kb2 Bf8 19. Na2 a5 20. c3 axb4 21. Nxb4 Na5 22. Bf2 Nc4+ 23. Bxc4 bxc4 24. Ra1 Ra4 25. Qd4 Rb8 26. g4 Qa5 27. Reb1 Rxa3 28. Rxa3 Rxb4+ 29. cxb4 Qxb4+ 30. Kc2 Qxa3 31. Qc3 Ba4+ 32. Kd2 Qa2+ 33. Qb2 c3+ 34. Kxc3 Qc4+ 35. Kd2 Qxf4+ 36. Be3 Qxh2+ 37. Kd3 Qg3 38. Rg1 Qf3 39. Qg2 Bb5+ 40. Kd4 Qxg2 41. Rxg2 h6 42. Rb2 Bc4 43. Rb8 Kg7 44. Bxh6+ Kxh6 45. Rxf8 Kg7 46. Rb8 g5 1/2-1/2

[Event "Washington op 1st"]
[Site "Rockville"]
[Date "2012.07.29"]
[Round "4"]
[White "Kleszczewski, Nicholas"]
[Black "Thompson, Ian D"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2108"]
[BlackElo "2243"]
[PlyCount "74"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf3 h6 11. Be3 Bd6 12. Nc3 0-0 13. Qd2 Rd8 14. 0-0-0 a6 15. h4 b5 16. Kb1 Nf8 17. Ka1 b4 18. Na4 Rb8 19. b3 a5 20. Be2 e5 21. dxe5 Nxe5 22. Nd4 Ng4 23. Bxg4 Bxg4 24. f3 Bd7 25. g4 Bxa4 26. bxa4 Ne6 27. g5 hxg5 28. hxg5 Qe5 29. Rh4 Bc5 30. Rdh1 Nxd4 31. Bxd4 Bxd4+ 32. Rxd4 b3 33. axb3 Rxb3 34. Qf4 Qe7 35. Rd2 Rdb8 36. g6 Ra3+ 37. Ra2 Rxa2+ 0-1

[Event "Wch Seniors 20th"]
[Site "Arco"]
[Date "2010.11.05"]
[Round "10"]
[White "Kleszczewski, Nicholas"]
[Black "Morrow, Hans"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2145"]
[BlackElo "1931"]
[PlyCount "113"]
[EventDate "2010.10.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. Ne5 Bh7 8. Be3 Nd7 9. Nd3 Ngf6 10. c4 e6 11. Be2 Bd6 12. 0-0 Qc7 13. Re1 0-0 14. Bf3 Kh8 15. Rc1 Rad8 16. d5 exd5 17. cxd5 Bxg3 18. hxg3 Qa5 19. Nf4 cxd5 20. Qb3 Rc8 21. Nxd5 Nxd5 22. Bxd5 Bg6 23. Qxb7 Nc5 24. Bxc5 Rxc5 25. Qe7 Rfc8 26. Rxc5 Qxc5 27. Qxc5 Rxc5 28. Bb3 Rc7 29. g4 Kg8 30. Re8+ Kh7 31. Rd8 f5 32. Bg8+ Kh8 33. Be6+ Kh7 34. gxf5 Bf7 35. Rd7 Rc1+ 36. Kh2 Bxe6 37. fxe6 Re1 38. Rd6 Re2 39. Ra6 Kg8 40. Rxa7 Rxe6 41. f3 Re2 42. b4 Rb2 43. a3 Rb3 44. Kg3 Kh7 45. Kf4 Rb2 46. g4 Rb3 47. Ke4 Rb1 48. Kf5 Rd1 49. g5 Rd5+ 50. Ke4 Rd8 51. f4 Re8+ 52. Kf3 Kg6 53. Ra6+ Kf7 54. a4 Rc8 55. Rb6 Rc3+ 56. Kg4 Re3 57. a5 1-0

[Event "Wch Seniors 20th"]
[Site "Arco"]
[Date "2010.11.03"]
[Round "8"]
[White "Kleszczewski, Nicholas"]
[Black "Elfert, Aleksandr V"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2145"]
[BlackElo "2022"]
[PlyCount "58"]
[EventDate "2010.10.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 cxd4 5. cxd4 Nc6 6. Nf3 Qb6 7. d5 Nb4 8. 0-0 Nxd3 9. Qxd3 g6 10. Nc3 Bg7 11. Be3 Qa6 12. Qxa6 bxa6 13. Bd4 0-0 14. h3 Bd7 15. Rfe1 Rfb8 16. b3 Rb4 17. e5 Ne8 18. e6 fxe6 19. dxe6 Bc6 20. Bxg7 Nxg7 21. Rad1 Rf8 22. Nd4 Ba8 23. a3 Rbb8 24. b4 Rbc8 25. Re3 Rf4 26. Nce2 Rf6 27. Nc3 h5 28. h4 Rc4 29. g3 Rf8 0-1

[Event "Wch Seniors 20th"]
[Site "Arco"]
[Date "2010.10.27"]
[Round "2"]
[White "Kleszczewski, Nicholas"]
[Black "Pavlov, Mircea Sergiu"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2145"]
[BlackElo "2362"]
[PlyCount "54"]
[EventDate "2010.10.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. e5 Nc6 4. d4 cxd4 5. cxd4 Qb6 6. Nf3 Bg4 7. Nbd2 e6 8. a3 Nge7 9. Qa4 a6 10. Bd3 Nf5 11. Bxf5 Bxf5 12. 0-0 Be7 13. Re1 0-0 14. Qb3 Qxb3 15. Nxb3 a5 16. Be3 a4 17. Nbd2 Na5 18. Rac1 Bc2 19. Kf1 b5 20. g4 Rfc8 21. h3 Rc6 22. Ke2 Rac8 23. Ra1 Bg6 24. h4 h5 25. Rg1 Rc2 26. Rab1 Nc4 27. Rgc1 Nxe3 0-1

[Event "USA-chT Amateur East"]
[Site "Parsippany"]
[Date "1998.??.??"]
[Round "3"]
[White "Whittington, Evan"]
[Black "Kleszczewski, Nicholas"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "2145"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Nbd2 d6 6. Bd3 Nh5 7. Bg3 Nxg3 8. hxg3 Bg4 9. c3 c5 10. Qc2 cxd4 11. exd4 e5 12. dxe5 dxe5 13. 0-0-0 Nc6 14. Rh4 Qd7 15. Rdh1 Rad8 16. Bc4 Bf5 17. Ne4 Na5 18. Qe2 Qc6 19. Bb5 Qb6 20. Rxh7 Bxe4 21. Qxe4 Qxb5 22. Qh4 f5 23. Rh8+ Kf7 24. Ng5+ Ke8 25. Ne6 Rxh8 26. Qxd8+ Kf7 27. Ng5# 1-0

[Event "National op"]
[Site "Las Vegas"]
[Date "1996.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Bradford, Joseph M"]
[Result "1-0"]
[ECO "C03"]
[BlackElo "2455"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[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. Nd2 a6 4. Bd3 c5 5. c3 Nc6 6. Ne2 cxd4 7. cxd4 dxe4 8. Nxe4 Nf6 9. 0-0 Be7 10. b3 0-0 11. Bb2 Nb4 12. Bb1 Bd7 13. Nf4 Nfd5 14. Nd3 Bb5 15. a3 Nxd3 16. Bxd3 Qb6 17. Qd2 Rfd8 18. Rfd1 h6 19. Rac1 Bxd3 20. Qxd3 Nf6 21. Nd2 Rac8 22. Nc4 Qb5 23. h3 Qh5 24. Nb6 Rxc1 25. Rxc1 Nd5 26. Nxd5 Qxd5 27. Qc4 Qe4 28. Qc2 Qd5 29. Qc4 Qd7 30. Kf1 Bg5 31. Rd1 Rc8 32. Qd3 Qd5 33. f3 Rc6 34. g3 Rb6 35. b4 Rc6 36. h4 Bf6 37. Rd2 Rc4 38. Ke2 b5 39. Qe4 Qd8 40. Qb7 Qd6 41. f4 1-0

[Event "National op"]
[Site "Las Vegas"]
[Date "1996.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Wallach, Kenneth"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2225"]
[PlyCount "64"]
[EventDate "1996.??.??"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd7 9. Be3 Nf6 10. h3 Bf5 11. 0-0 Nd5 12. Nxd5 exd5 13. Bb5 Bd6 14. Ne5 Bxe5 15. dxe5 0-0 16. Rc1 Rfc8 17. Qa4 a6 18. Bxc6 Rxc6 19. Rxc6 Qxc6 20. Qxc6 bxc6 21. Rc1 Bd7 22. Bf4 Kf8 23. Rc5 Ke7 24. Kh2 Ke6 25. Ra5 Kf5 26. Bd2 Ke4 27. Bc3 d4 28. Bd2 Kd3 29. Bc1 Be6 30. Rc5 Bd5 31. f3 Rb8 32. Bf4 Rxb2 0-1

[Event "US Open-96"]
[Site "Concord"]
[Date "1995.??.??"]
[Round "6"]
[White "Kleszczewski, Nicholas"]
[Black "Enright, Paul"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "70"]
[EventDate "1995.08.06"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Bd6 6. dxc5 Bxc5 7. Bb5+ Nc6 8. 0-0 Nge7 9. Bg5 0-0 10. Nbd2 h6 11. Bh4 Bg4 12. Bxc6 bxc6 13. Qa4 Bd7 14. Ne5 g5 15. Bg3 f5 16. Nd3 Bb6 17. Bd6 c5 18. Qa3 Bb5 19. Bxe7 Qxe7 20. Rfe1 Qd6 21. Ne5 Rae8 22. c4 Rxe5 23. cxb5 Rfe8 24. Rxe5 Qxe5 25. Qc3 Qxc3 26. bxc3 Re2 27. Nb3 Rc2 28. Kf1 Rxc3 29. Rc1 Rxc1+ 30. Nxc1 c4 31. Ke1 Kf7 32. f3 Ke6 33. Kd2 d4 34. a4 Kd5 35. Na2 Ba5+ 0-1

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Edelman, Daniel"]
[Result "0-1"]
[ECO "C05"]
[BlackElo "2420"]
[PlyCount "66"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 g5 12. h3 gxf4 13. Bxf4 Be7 14. b3 fxe5 15. dxe5 Nf8 16. Bd3 Bd7 17. Ne2 0-0-0 18. Rc1 Kb8 19. Nc3 Be8 20. Na4 Qa5 21. Bd2 Bb4 22. Bg5 Rc8 23. Bf6 Rg8 24. Ng5 h6 25. Nf3 Bg6 26. Nh4 Bxd3 27. Qxd3 Nd7 28. Qh7 Nxf6 29. exf6 Bd6 30. Qxh6 Bxg3 31. Ng6 Bd6 32. Rhe1 d4 33. f7 Qf5 0-1

[Event "US Open-92"]
[Site "Los Angeles"]
[Date "1991.??.??"]
[Round "?"]
[White "Smith, T."]
[Black "Kleszczewski, Nicholas"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "1991.07.28"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 cxd4 6. 0-0 Bc5 7. Nbd2 Bd7 8. a3 a5 9. Re1 Nge7 10. Nb3 Bb6 11. Bf4 a4 12. Nc1 Ng6 13. Bg3 0-0 14. h4 f5 15. exf6 Qxf6 16. Ng5 h6 17. Qh5 Nce7 18. Nh3 Nf5 19. Ne2 e5 20. Bxf5 Bxf5 21. Nc1 e4 22. Nf4 Nxf4 23. Bxf4 d3 24. cxd3 Be6 25. Ne2 exd3 26. Nc3 Qxf4 27. Rxe6 Bxf2+ 28. Kh1 Bg3 29. Rg1 Rf5 30. Nxd5 Rxd5 0-1

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Dzindzichashvili, Roman"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2545"]
[PlyCount "80"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. f3 d5 6. exd5 Nxd5 7. Bc4 e6 8. Bxd5 exd5 9. Be3 Qh4+ 10. g3 Qh5 11. Na3 Be7 12. Nb5 0-0 13. Nc7 Qe5 14. Nxd5 Bxc5 15. Kf2 Bxe3+ 16. Nxe3 Re8 17. Qc1 Qh5 18. f4 b5 19. Nf3 Bb7 20. g4 Qc5 21. Re1 Re4 22. Kg3 Rxf4 23. Nf5 Rxf3+ 24. Kxf3 Nd4+ 25. Kg3 Nxf5+ 26. gxf5 Qd5 27. Qf4 Qg2+ 28. Kh4 g6 29. Re7 Rf8 30. Qg3 Qd2 31. Rxb7 Qh6+ 32. Kg4 Qh5+ 33. Kf4 Qxf5+ 34. Ke3 Re8+ 35. Kd2 Qd5+ 36. Qd3 Qg2+ 37. Kd1 Qxb7 38. Kc2 Qg2+ 39. Kb3 Qxh2 40. Rf1 Qe2 0-1

[Event "USA corr"]
[Site "USA"]
[Date "1989.??.??"]
[Round "?"]
[White "Bauza Mercere, Eduardo"]
[Black "Kleszczewski, Nicholas"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "53"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 Bd7 8. Re1 Qc7 9. c3 0-0-0 10. a3 dxe4 11. dxe4 h6 12. e5 Nd5 13. c4 Nb6 14. b4 cxb4 15. axb4 Bxb4 16. Qb3 a6 17. Ba3 Bxa3 18. Rxa3 Be8 19. Rb1 Nd7 20. Ne4 Ndxe5 21. Nc5 Ng6 22. Nxb7 Nd4 23. Nxd4 Rxd4 24. Rxa6 Kd7 25. Qa3 Qxc4 26. Rd6+ Rxd6 27. Qxd6+ 1-0

[Event "US Open-89"]
[Site "Boston"]
[Date "1988.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Rizzitano, James"]
[Result "0-1"]
[ECO "C27"]
[BlackElo "2435"]
[PlyCount "66"]
[EventDate "1988.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 11. Nxb6 axb6 12. Qf3 Nd4 13. Qa8 Kc7 14. Nf3 Bb7 15. Qa7 Bg7 16. Qa4 f4 17. d3 Re8 18. Qb4 Nxf3+ 19. gxf3 Bxf3 20. Rg1 g5 21. a4 e4 22. d4 e3 23. fxe3 g4 24. a5 Qh4+ 25. Kf1 Qh3+ 26. Ke1 Qxh2 27. Qxb6+ Kc8 28. Qa6+ Kd8 29. Rf1 fxe3 30. Rxf3 Qh4+ 31. Ke2 gxf3+ 32. Kxf3 Qf6+ 33. Kg4 Re4+ 0-1

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.02"]
[Round "1"]
[White "Chadwick, Richard"]
[Black "Kleszczewski, Nicholas"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1705"]
[BlackElo "2196"]
[PlyCount "34"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Bc4 c5 9. h3 Nc6 10. Be3 Qa5 11. Qb3 cxd4 12. Nxd4 Nxd4 13. Bxd4 Bxd4 14. Rc1 Bg7 15. 0-0 Qg5 16. Kh1 Qf4 17. Qc2 Be5 0-1

[Event "Manhattan CC-ch"]
[Site "New York"]
[Date "1985.??.??"]
[Round "2"]
[White "Kleszczewski, Nicholas"]
[Black "Bonin, Jay R"]
[Result "0-1"]
[ECO "C16"]
[BlackElo "2375"]
[PlyCount "128"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Bd2 b6 6. Bd3 Ba6 7. Bxa6 Nxa6 8. Qe2 Nb8 9. Qb5 Bxc3 10. Qxd7+ Kxd7 11. Bxc3 c5 12. f4 Nc6 13. Nf3 Nge7 14. 0-0-0 Nf5 15. g4 Ne3 16. Rdg1 h5 17. gxh5 cxd4 18. Nxd4 Nxd4 19. Bxd4 Nf5 20. Bf2 Rxh5 21. h4 Rc8 22. Rg5 Rhh8 23. Rh3 Rc4 24. Ra3 a5 25. Bxb6 Rxh4 26. Rxa5 Rh2 27. c3 Rxf4 28. Rg1 Kc6 29. Ba7 g5 30. b4 g4 31. b5+ Kb7 32. Bc5 Rc4 33. b6 Rxc3+ 34. Kb1 Kc6 35. b7 Kxb7 36. Rxg4 d4 37. Rg8 Rf3 38. Rg1 Ng3 39. Bxd4 Ne2 40. Rb5+ Ka6 41. Rb2 Nxg1 42. Rxh2 Rf1+ 43. Kb2 Nf3 44. Rf2 Rxf2+ 45. Bxf2 Nxe5 46. Kc3 Kb5 47. Bg3 Nc6 48. Bd6 f5 49. Kd3 Nd8 50. Kd4 Nf7 51. Bf4 Kb4 52. Bc1 Ka4 53. Kc5 Ka5 54. Kc6 Kb4 55. Kd7 e5 56. Ke6 f4 57. Kxf7 Kc3 58. Ke6 Kd3 59. Ba3 f3 60. Bc5 e4 61. a4 e3 62. a5 f2 63. a6 f1Q 64. a7 Qf3 0-1

[Event "Lloyds Bank Open-09"]
[Site "London"]
[Date "1985.??.??"]
[Round "?"]
[White "Kleszczewski, Nicholas"]
[Black "Conquest, Stuart"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2350"]
[PlyCount "59"]
[EventDate "1985.08.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. f3 Nc6 5. dxc5 d5 6. exd5 Nxd5 7. Bc4 e6 8. Bxd5 exd5 9. Be3 Qh4+ 10. Bf2 Qg5 11. g3 h5 12. h4 Qf6 13. Qxd5 Bf5 14. Kf1 Rd8 15. Qb3 Be7 16. Na3 Rd2 17. Re1 0-0 18. Nc4 Bc2 19. Nxd2 Bxb3 20. axb3 Rd8 21. Ne4 Qe6 22. c4 Qe5 23. Nc3 Qf5 24. Nd5 Bf6 25. Kg2 Qc2 26. Nxf6+ gxf6 27. Nh3 Ne5 28. Nf4 Rd2 29. Rhf1 Qxb3 30. Nxh5 0-1

[Event "Manhattan CC-ch"]
[Site "New York"]
[Date "1985.??.??"]
[Round "3"]
[White "Kleszczewski, Nicholas"]
[Black "Kramer, George Mortimer"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "54"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 d6 6. c4 Nb4 7. dxc5 dxc5 8. Qxd8+ Kxd8 9. Na3 a6 10. Be2 N8c6 11. Bf4 h6 12. h4 g6 13. 0-0-0+ Kc7 14. Kb1 b6 15. Rd2 Bb7 16. Rhd1 Rd8 17. Rxd8 Nxd8 18. Ne1 Bg7 19. Bf3 Ndc6 20. Bxc6 Bxc6 21. f3 g5 22. hxg5 hxg5 23. Bxg5 Bxe5 24. Nd3 Nxd3 25. Rxd3 Rg8 26. f4 Be4 27. Kc2 Bxb2 0-1

[Event "Manhattan CC-ch"]
[Site "New York"]
[Date "1985.??.??"]
[Round "4"]
[White "Kopke, P."]
[Black "Kleszczewski, Nicholas"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "137"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. Qe2 d4 10. e5 Nd5 11. a4 Ncb4 12. Ne4 f5 13. exf6 gxf6 14. Bh6 Rf7 15. c4 dxc3 16. bxc3 Nc6 17. Rac1 Qa5 18. Nh4 Bd7 19. g4 Qc7 20. Qf3 Bf8 21. Bd2 Bg7 22. Ng3 Ne5 23. Qe2 c4 24. dxc4 Nxc4 25. Qd3 Ne5 26. Qe4 Qc4 27. Ra1 Rc8 28. h3 Qxe4 29. Bxe4 Nc4 30. Red1 Bc6 31. Be1 Bh6 32. Rd4 Nd6 33. c4 Nxe4 34. Nxe4 Nf4 35. Nd6 Ne2+ 36. Kf1 Nxd4 37. Nxc8 a6 38. Rd1 e5 39. Nb6 Bf8 40. Bc3 Bc5 41. a5 Nf3 42. Nxf3 Bxf3 43. Rd7 Bxb6 44. Rxf7 Kxf7 45. axb6 Ke6 46. Bb4 h5 47. gxh5 Bxh5 48. Ke1 Kf5 49. Be7 Ke6 50. Bc5 f5 51. Kd2 Kd7 52. Ba3 Kc6 53. c5 Kd5 54. Ke3 f4+ 55. Kd3 Bf3 56. h4 e4+ 57. Kc3 e3 58. fxe3 fxe3 59. Kd3 e2 60. Kd2 Bh5 61. Ke1 Kc6 62. Kd2 Kb5 63. Ke1 Bf3 64. Kd2 Ka4 65. Bb2 Kb4 66. Bd4 Kc4 67. Bf2 Kb5 68. Kc3 a5 69. Kb3 1/2-1/2

[Event "San Francisco Stamer Memorial"]
[Site "San Francisco"]
[Date "1974.07.04"]
[Round "3"]
[White "Kleszczewski, Nicholas"]
[Black "Harmon, Clark R"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "80"]
[EventDate "1974.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 b5 8. Bd3 Bb7 9. Qf3 Nbd7 10. Bg5 Be7 11. 0-0 h6 12. Bh4 Qc7 13. Bxf6 Bxf6 14. Nce2 0-0 15. Qg3 Nc5 16. Qe3 d5 17. exd5 Bxd5 18. Nf4 Rad8 19. Nxd5 Rxd5 20. c3 e5 21. Nxb5 axb5 22. Bxb5 Rfd8 23. a4 Bg5 24. Qg3 Nb3 25. Ra3 Nc1 26. Qf3 Qe7 27. h4 e4 28. Qg4 Bd2 29. Bc6 h5 30. Qh3 Rd3 31. g3 g6 32. Bb5 Ne2+ 33. Kh1 Nf4 34. Qh2 Rf3 35. Raa1 Nd3 36. Rab1 Qa7 37. Kg1 Nxf2 38. Kg2 Ng4 39. Qg1 Qxg1+ 40. Rxg1 Rf2+ 0-1

[Event "Illinois op"]
[Site "Illinois"]
[Date "1963.??.??"]
[Round "2"]
[White "Kleszczewski, Nicholas"]
[Black "Pehnec, Ted"]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "77"]
[EventDate "1963.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Nc6 5. d4 Bg4 6. Bxf4 Bxf3 7. gxf3 Qf6 8. Be3 Nge7 9. Nc3 g6 10. d5 Ne5 11. Be2 a6 12. h4 Rg8 13. f4 Nd7 14. Qd2 Bg7 15. 0-0-0 b5 16. a3 Nc8 17. Bd4 Qxd4 18. Qxd4 Bxd4 19. Rxd4 Ncb6 20. Re1 Kf8 21. a4 bxa4 22. Nxa4 Nxa4 23. Rxa4 Nc5 24. Rc4 a5 25. Bf3 Kg7 26. Kd2 Rgb8 27. b3 Rb4 28. Rxb4 axb4 29. Ke3 Ra2 30. Re2 Ra1 31. Bg2 Ra2 32. Bf3 Ra1 33. Bg2 Nd7 34. Kd4 Nb6 35. Rd2 Re1 36. Bf3 Rf1 37. Ke3 Rc1 38. Kd3 Rg1 39. Rd1 1/2-1/2

[Event "Illinois op"]
[Site "Illinois"]
[Date "1963.??.??"]
[Round "?"]
[White "Martz, William E"]
[Black "Kleszczewski, Nicholas"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "49"]
[EventDate "1963.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 dxe4 5. Nxe4 Nc6 6. Be3 cxd4 7. Nxd4 Qa5+ 8. c3 Qd5 9. Nb5 Qxe4 10. Nc7+ Ke7 11. Nxa8 Qe5 12. Qf3 Qb8 13. 0-0-0 Qxa8 14. Bb5 Nf6 15. Rhe1 Bd7 16. Bg5 Qc8 17. Rd2 Nb8 18. Bxd7 Nbxd7 19. Red1 Nb6 20. Rd8 Qc6 21. Qf4 Nbd5 22. Qb8 h6 23. Rc8 Qd6 24. Re8+ Kd7 25. Qc8# 1-0

