[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.15"]
[Round "6"]
[White "Lasota, Marcin"]
[Black "Siwon, Zbigniew"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1866"]
[PlyCount "67"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. e5 Nc6 4. Nf3 g6 5. c3 Bg7 6. d4 Qb6 7. Be2 Bg4 8. dxc5 Qxc5 9. Nbd2 Bxf3 10. Nxf3 Nh6 11. Qd3 e6 12. Be3 Qa5 13. Nd2 Nf5 14. Nb3 Qc7 15. Bc5 Bf8 16. Bf2 h5 17. 0-0-0 0-0-0 18. Kb1 Be7 19. g3 f6 20. Nd4 Nfxd4 21. cxd4 f5 22. Rc1 Kb8 23. Qb5 a6 24. Qb3 Ka7 25. Rc2 Qa5 26. Rhc1 Rc8 27. Be1 Qb6 28. Qa4 Kb8 29. Bxa6 Qxd4 30. Qb5 Qa7 31. Rxc6 Rxc6 32. Rxc6 Ka8 33. Bf2 bxa6 34. Rxa6 1-0

[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.15"]
[Round "7"]
[White "Zhuk, Dmitry"]
[Black "Lasota, Marcin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2100"]
[PlyCount "66"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bg5 Be7 6. Nc3 0-0 7. Bd3 Nc6 8. Qd2 Nb4 9. h4 Re8 10. 0-0-0 c6 11. Rde1 a6 12. Rxe7 Nxd3+ 13. cxd3 Qxe7 14. Re1 Be6 15. Be3 Ng4 16. Bf4 Qf6 17. g3 Bf5 18. Ne5 Qd8 19. f3 Nxe5 20. dxe5 d4 21. Ne2 f6 22. exf6 Qxf6 23. g4 Bg6 24. g5 Qf5 25. Kc2 h5 26. Bh2 c5 27. b3 b5 28. Nf4 Rxe1 29. Qxe1 Re8 30. Qf2 Re3 31. Nxg6 Qxd3+ 32. Kc1 Qc3+ 33. Kb1 Re1+ 0-1

[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.14"]
[Round "5"]
[White "Lasota, Marcin"]
[Black "Wodzynski, Mieszko"]
[Result "1/2-1/2"]
[ECO "A51"]
[BlackElo "1800"]
[PlyCount "83"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. Nc3 d6 5. Bg5 Bxf2+ 6. Kxf2 Ng4+ 7. Ke1 Qxg5 8. e4 f5 9. Nf3 Qe3+ 10. Qe2 0-0 11. h3 Qxe2+ 12. Kxe2 Nf6 13. exf5 Bxf5 14. Ke3 Na6 15. a3 c6 16. g4 Bd7 17. Rd1 cxd5 18. cxd5 Nc5 19. Bc4 a6 20. Ba2 Rac8 21. Bb1 Ba4 22. Rd2 Bb3 23. Bf5 Rc7 24. Ng5 h6 25. Ne6 Nxe6 26. Bxe6+ Kh8 27. h4 Rc4 28. Rg2 Rd4 29. g5 Nxd5+ 30. Bxd5 Bxd5 31. Nxd5 Rxd5 32. gxh6 gxh6 33. Rg6 Kh7 34. Rhg1 Rf7 35. Re6 Rd4 36. h5 Rh4 37. Rxd6 Rxh5 38. Re6 a5 39. Rg4 Rh3+ 40. Ke4 Rf4+ 41. Rxf4 exf4 42. Rb6 1/2-1/2

[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.13"]
[Round "4"]
[White "Czapiewski, Waldemar"]
[Black "Lasota, Marcin"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "1880"]
[PlyCount "107"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. dxc5 Bxc5 7. Nb3 Bb6 8. c3 Nf6 9. Be2 0-0 10. 0-0 h6 11. h3 Bf5 12. Nfd4 Be4 13. Be3 Re8 14. Qd2 Ne5 15. Rad1 a6 16. Qc1 Qe7 17. Rfe1 Bc7 18. Nd2 Bg6 19. N2f3 Rad8 20. Nxe5 Qxe5 21. Nf3 Qd6 22. c4 Be4 23. c5 Qe7 24. Bd4 Bb8 25. Qc3 Nh5 26. Bd3 Qc7 27. Be5 Rxe5 28. Nxe5 d4 29. Qb3 Qxe5 30. Bxe4 Qh2+ 31. Kf1 Nf4 32. g3 Nxh3 33. Qf3 Ng5 34. Qh1 Bxg3 35. Qxh2 Bxh2 36. Bxb7 Ne6 37. b4 a5 38. a3 Kf8 39. Ba6 h5 40. Bc4 Ke7 41. Re4 Kf6 42. Bxe6 fxe6 43. Rexd4 Rb8 44. Rb1 Be5 45. Rh4 Kg5 46. Rc4 h4 47. Kg2 Bf4 48. b5 Kg4 49. f3+ Kf5 50. Rxf4+ Kxf4 51. c6 Rd8 52. Rb2 h3+ 53. Kh2 Ke5 54. c7 1-0

[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.13"]
[Round "3"]
[White "Lasota, Marcin"]
[Black "Januszewski, Piotr"]
[Result "1-0"]
[ECO "A53"]
[BlackElo "1874"]
[PlyCount "39"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 d6 4. Nc3 Be7 5. e4 0-0 6. h3 c6 7. Bd3 h6 8. Nge2 Nh7 9. g4 Bh4 10. Be3 Ng5 11. Ng3 Qf6 12. Be2 g6 13. Nf1 Nd7 14. Nd2 a5 15. Nf3 Nxf3+ 16. Bxf3 Bg5 17. Bxg5 hxg5 18. Qe2 Nb6 19. 0-0-0 Nxc4 20. dxc6 1-0

[Event "Chojnice op-B"]
[Site "Chojnice"]
[Date "2009.07.11"]
[Round "1"]
[White "Lasota, Marcin"]
[Black "Salamon, Jan"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1864"]
[PlyCount "62"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 e6 7. Bd2 Qc7 8. Qe2 Be7 9. 0-0-0 0-0 10. Ne5 b5 11. Bd3 Nbd7 12. Bf4 Qb6 13. g4 Nxe5 14. Bxe5 Nd7 15. Bg3 Bf6 16. Qe4 g6 17. Ne2 Bb7 18. Qe3 Qa5 19. Kb1 Nb6 20. h4 Nc4 21. Qc1 c5 22. Rh2 cxd4 23. h5 Qb4 24. hxg6 fxg6 25. Bxc4 bxc4 26. Nxd4 c3 27. Nxe6 Rf7 28. f4 Bf3 29. Rf1 cxb2 30. Qe3 Bd5 31. f5 Qc4 0-1

