[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.10"]
[Round "6"]
[White "Kaczorowski, Piotr"]
[Black "Zaninotto, Franco"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2047"]
[BlackElo "2162"]
[PlyCount "135"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Bf5 8. Qb3 Qb6 9. Re1 Na6 10. e4 Bg4 11. Be3 Qxb3 12. axb3 Nd7 13. h3 Bxf3 14. Bxf3 c5 15. Red1 cxd4 16. Bxd4 Bxd4 17. Rxd4 Ndc5 18. Bd1 Nb4 19. f4 a6 20. Kg2 Rad8 21. Rd2 f5 22. exf5 gxf5 23. Nd5 Ne4 24. Re2 Nc6 25. Re1 e6 26. Ne3 d5 27. cxd5 exd5 28. Bf3 Ne7 29. Rad1 Kf7 30. Rd4 Rd6 31. Nc4 dxc4 32. Bh5+ Kf6 33. Rexe4 Rxd4 34. Rxd4 cxb3 35. Rd6+ Kg7 36. Rd7 Kf6 37. Rxb7 Rd8 38. Rb6+ Kg7 39. Rxb3 Rd2+ 40. Kf3 Nd5 41. Be8 Kf6 42. Bc6 h5 43. h4 a5 44. Bxd5 Rxd5 45. Ke3 Kg6 46. Rb6+ Kf7 47. Rh6 Rb5 48. Rxh5 Kg6 49. Rg5+ Kf6 50. h5 Rxb2 51. Rg6+ Kf7 52. Ra6 Rg2 53. Kd4 Rxg3 54. Ke5 Rh3 55. Ra7+ Ke8 56. Ke6 Kd8 57. Ra8+ Kc7 58. Rxa5 Rxh5 59. Rxf5 Rh1 60. Rd5 Re1+ 61. Kf6 Re2 62. f5 Rg2 63. Rd1 Rg3 64. Kf7 Rg2 65. f6 Rg3 66. Kf8 Rg2 67. f7 Rg4 68. Ke7 1-0

[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.09"]
[Round "5"]
[White "Maciaga, Marcin"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2220"]
[BlackElo "2047"]
[PlyCount "64"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Nc3 d5 6. cxd5 cxd5 7. Ne5 0-0 8. Bg2 Nc6 9. 0-0 Nd7 10. Nf3 Nb6 11. Bf4 Bf5 12. Ne5 Rc8 13. Rc1 Nxe5 14. Bxe5 Qd7 15. Bxg7 Kxg7 16. Qb3 Be6 17. Qb4 Rc6 18. Nb5 a5 19. Qxa5 Ra8 20. Qb4 Rxa2 21. Na3 Na4 22. Rxc6 Qxc6 23. b3 Nc3 24. e3 Ne4 25. Nb1 Nxf2 26. Nc3 Rc2 27. Na4 Ng4 28. Qe1 Rxg2+ 29. Kxg2 Qc2+ 30. Rf2 Nxf2 31. Qxf2 Bh3+ 32. Kg1 Qd1+ 0-1

[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.08"]
[Round "4"]
[White "Malec, Sebastian"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2185"]
[BlackElo "2047"]
[PlyCount "55"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 0-0 8. Be2 Nc6 9. Nf3 Bg4 10. d5 Bxf3 11. gxf3 Ne5 12. Qb3 Qd7 13. h3 Qc8 14. f4 Ned7 15. e5 c6 16. Rc1 cxd5 17. Nxd5 Qd8 18. 0-0 e6 19. Nxb6 Nxb6 20. Bc5 Bh6 21. Bxf8 Qxf8 22. Qa3 Bxf4 23. Qxf8+ Kxf8 24. Rc5 Nd5 25. Bf3 Bxe5 26. Bxd5 exd5 27. Rxd5 Bxb2 28. Rb1 1-0

[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.07"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Kubeczko, Grzegorz"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2047"]
[BlackElo "2024"]
[PlyCount "129"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Qc2 g6 5. Bf4 Bg7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 Bf5 9. Qb3 Qb6 10. 0-0 Nbd7 11. Nc3 Ne4 12. Rfd1 Nd6 13. Na4 Qa5 14. Bd3 Be6 15. Qc2 c5 16. dxc5 Rac8 17. Qd2 Qxd2 18. Rxd2 Nxc5 19. Nxc5 Rxc5 20. Bxd6 exd6 21. Kf1 Rfc8 22. Ke2 Bd5 23. Rad1 Rc1 24. Rxc1 Rxc1 25. b3 Bc3 26. Rc2 Rxc2+ 27. Bxc2 f5 28. g3 Bf6 29. h4 h6 30. Nd4 a6 31. h5 Bxd4 32. exd4 Kg7 33. Ke3 gxh5 34. Bxf5 Kf6 35. Kf4 b6 36. Bd3 a5 37. Bb5 Bf7 38. Be2 Be8 39. a3 Bf7 40. b4 Bg6 41. Bb5 Ke6 42. bxa5 bxa5 43. Ke3 Kd5 44. f4 Bf5 45. Be8 h4 46. gxh4 Kc4 47. h5 Kb3 48. Bg6 Bd7 49. f5 Kxa3 50. f6 Be6 51. f7 Bxf7 52. Bxf7 Kb2 53. Be8 Kc3 54. Ke4 Kc4 55. Bd7 Kc3 56. Kd5 Kd3 57. Bc6 Kc3 58. Ke4 Kc4 59. d5 Kc5 60. Kd3 Kb4 61. Kc2 Ka3 62. Kc3 Ka2 63. Kc4 Ka3 64. Kb5 a4 65. Kb6 1-0

[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.06"]
[Round "2"]
[White "Flak, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D82"]
[WhiteElo "2192"]
[BlackElo "2047"]
[PlyCount "39"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Qa4+ Qxa4 8. Nxa4 Na6 9. cxd5 Nxd5 10. Bb5+ Bd7 11. Bxd7+ Kxd7 12. Nf3 Nxf4 13. exf4 Rac8 14. 0-0 Nxc5 15. Rfd1+ Ke6 16. Ng5+ Kf5 17. Rd5+ Kxf4 18. Nxc5 e6 19. Nd3+ Kg4 20. h3+ 1-0

[Event "Warsaw Najdorf Memorial op-A 11th"]
[Site "Warsaw"]
[Date "2013.08.05"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Bondarets, Vadim"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2047"]
[BlackElo "2323"]
[PlyCount "116"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Ne4 9. Bf4 Nxc3 10. bxc3 Nc6 11. Rc1 Na5 12. Nd2 Be6 13. Qa4 b6 14. c4 Nxc4 15. Nxc4 dxc4 16. d5 Bg4 17. Qxc4 Rc8 18. Qa6 Qd7 19. Rc6 Bd4 20. Qd3 Bc5 21. Rxc8 Rxc8 22. e4 Qa4 23. h3 Bd7 24. Qd2 Bd4 25. Rc1 Rxc1+ 26. Qxc1 Qxa2 27. Be3 Qa1 28. Qxa1 Bxa1 29. f4 f6 30. Kf2 Bc3 31. Bf1 Kf7 32. h4 Ke8 33. Ba6 Kd8 34. h5 gxh5 35. f5 Be5 36. Be2 Be8 37. Ba6 Kc7 38. Kf3 Ba4 39. Bf2 Bd7 40. Ke2 Bc8 41. Bb5 Bd7 42. Ba6 Bc8 43. Bb5 a6 44. Be8 b5 45. Kd3 Bd7 46. Bxh5 a5 47. g4 a4 48. Bc5 Bd6 49. Be3 a3 50. Kc2 Be5 51. Kb3 b4 52. d6+ Kxd6 53. Bf7 Bc3 54. Bf4+ Kc5 55. g5 fxg5 56. Bxg5 Kd4 57. Bd5 Bxf5 58. exf5 Kxd5 0-1

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.07"]
[Round "8.16"]
[White "Kaczorowski, Piotr"]
[Black "Smal, Tobiasz"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2058"]
[BlackElo "1893"]
[PlyCount "110"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nc6 7. Nc3 a6 8. Bd2 Rb8 9. Rc1 Bd7 10. a4 Re8 11. Re1 e5 12. dxe5 dxe5 13. Ng5 Nd4 14. Nge4 Nxe4 15. Nxe4 Qe7 16. e3 Ne6 17. Qb3 f5 18. Nc3 Nc5 19. Qc2 e4 20. Nd5 Qf7 21. Rb1 Bxa4 22. b3 Bc6 23. Nf4 Rbd8 24. Bc3 Bxc3 25. Qxc3 Qg7 26. Qc2 Nd3 27. Red1 Nxf4 28. gxf4 Qf6 29. Rxd8 Rxd8 30. Rd1 Rd6 31. Bf1 Be8 32. c5 Rxd1 33. Qxd1 Kf8 34. Bc4 Bc6 35. Kf1 Ke8 36. Qd2 h5 37. Ke2 h4 38. Qd4 Ke7 39. Qxf6+ Kxf6 40. Kd2 Bd7 41. b4 Be6 42. Be2 Bc8 43. Kc3 b6 44. Kd4 Bb7 45. Bc4 a5 46. cxb6 cxb6 47. bxa5 bxa5 48. Bb5 g5 49. Kc5 gxf4 50. exf4 Kg6 51. Kb6 Bd5 52. Kxa5 Bb3 53. Kb4 Bd1 54. Be8+ Kh6 55. Kc5 Kg7 1/2-1/2

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.06"]
[Round "7.18"]
[White "Januszkiewicz, Wojciech"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1830"]
[BlackElo "2058"]
[PlyCount "112"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nf6 6. Nc3 Nc6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. f3 Nxd4 11. Bxd4 Be6 12. Bxe6 fxe6 13. Qe2 Nd7 14. Bxg7 Kxg7 15. Kh1 Rac8 16. f4 Qb4 17. Rab1 Qc4 18. Qd3 a6 19. Rf3 Qc5 20. Qd2 b5 21. Rbf1 b4 22. Ne2 e5 23. c3 Qc4 24. Rh3 Qxe4 25. Ng3 bxc3 26. bxc3 Rxf4 27. Re1 Rcf8 28. Rg1 Qc4 29. Ne2 Rh4 30. Rxh4 Qxh4 31. Ng3 Nc5 32. Qd5 Rf2 33. Re1 Qf4 34. Qd1 Rd2 35. Qb1 h5 36. Rf1 Rf2 37. Rxf2 Qxf2 38. Nf1 h4 39. h3 e4 40. Nh2 Nd3 41. Ng4 Qe1+ 42. Qxe1 Nxe1 43. Kg1 Nd3 44. Kf1 Kf7 45. a3 Nb2 46. Ne3 Ke6 47. Ke2 d5 48. Nc2 Ke5 49. Ne1 Nc4 50. Nc2 Kf4 51. Kf2 a5 52. Nd4 Nxa3 53. Nc6 a4 54. Nxe7 e3+ 55. Ke2 Ke4 56. Nc6 Nb1 0-1

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.05"]
[Round "6"]
[White "Kaczorowski, Piotr"]
[Black "Pietruszewski, Marcin"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2058"]
[BlackElo "2099"]
[PlyCount "68"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. d4 cxd4 7. Qxd4 Be7 8. Nc3 d6 9. Bg5 a6 10. Rfd1 Nbd7 11. Rac1 0-0 12. Qf4 Rc8 13. Nd2 Bxg2 14. Kxg2 Nh5 15. Qf3 Bxg5 16. Qxh5 g6 17. Qh3 b5 18. cxb5 axb5 19. e3 b4 20. Nce4 Be7 21. Nb3 Rxc1 22. Nxc1 Qc8 23. Nd2 Qc2 24. Qg4 Ne5 25. Qe2 Qxb2 26. f4 Rc8 27. fxe5 Rxc1 28. exd6 Rxd1 29. dxe7 Rxd2 30. e8Q+ Kg7 31. Qxd2 Qxd2+ 32. Kf3 Qxa2 33. h4 h5 34. Qb8 Qd5+ 0-1

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.04"]
[Round "5"]
[White "Adamowicz, Katarzyna"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2104"]
[BlackElo "2058"]
[PlyCount "71"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Nc6 10. d5 Ne5 11. Be2 a5 12. f4 Ned7 13. Nf3 Nf6 14. Nd4 Nbd7 15. 0-0 Nc5 16. Bf3 Bd7 17. Kh1 Qc8 18. Re1 Bg4 19. Bg1 Re8 20. Ndb5 Bf5 21. Rxe7 Rxe7 22. Nxd6 Nd3 23. Nxc8 Rxc8 24. Rc2 Re1 25. Qd2 Rce8 26. h3 Nh5 27. Kh2 Nhxf4 28. Bg4 Be5 29. g3 Bxg4 30. hxg4 Bb8 31. c5 Ne5 32. Qxf4 Nd3 33. Qd2 Bxg3+ 34. Kxg3 Rxg1+ 35. Kh2 Ne1 36. Kxg1 1-0

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.03"]
[Round "4"]
[White "Kaczorowski, Piotr"]
[Black "Kovalev, Egor"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2058"]
[BlackElo "2099"]
[PlyCount "67"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. e3 b5 8. Rc1 Bb7 9. Bd3 e6 10. 0-0 Be7 11. Ne5 Nxe5 12. Bxe5 0-0 13. a3 Rc8 14. b4 Nd7 15. Qb3 Nxe5 16. dxe5 Qb6 17. Ne2 f6 18. exf6 Bxf6 19. a4 bxa4 20. Qxa4 e5 21. Ng3 g6 22. b5 axb5 23. Qxb5 Qxb5 24. Bxb5 Rxc1 25. Rxc1 Rc8 26. Rxc8+ Bxc8 27. e4 d4 28. Bc4+ Kf8 29. Ne2 Bd7 30. f3 Ke7 31. Nc1 Bg5 32. Nd3 Be3+ 33. Kf1 Kd6 34. h4 1/2-1/2

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.02"]
[Round "3"]
[White "Galaktionov, Artem"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1943"]
[BlackElo "2058"]
[PlyCount "112"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 g6 2. Bc4 Bg7 3. Nf3 c5 4. 0-0 Nc6 5. c3 d6 6. d4 cxd4 7. cxd4 Nf6 8. Nc3 0-0 9. h3 Nxe4 10. Nxe4 d5 11. Bd3 dxe4 12. Bxe4 Nxd4 13. Nxd4 Qxd4 14. Qf3 Qb6 15. Rb1 Rb8 16. Bf4 e5 17. Be3 Qa6 18. Bc5 Re8 19. Qe3 Be6 20. Bxa7 Ra8 21. Bc5 f5 22. Bd3 Qxa2 23. Bb5 Rec8 24. b4 e4 25. Bd4 Ra3 26. Ra1 Rxe3 27. Rxa2 Bxd4 28. Rd2 Rd3 29. Bxd3 exd3 30. Rxd3 Bf6 31. Rd6 Kf7 32. Re1 Re8 33. b5 Bc3 34. Re2 Bb4 35. Rd1 b6 36. Rc1 Bc5 37. Kf1 Ra8 38. Rec2 Ra5 39. Rb1 f4 40. Rc3 Ra2 41. Rf3 g5 42. Rd1 Bc4+ 43. Kg1 Be2 44. Rd7+ Ke6 45. Rxh7 Bxf3 46. gxf3 Rxf2 47. Rh5 Rxf3+ 48. Kh2 Kf6 49. Rh6+ Kf5 50. Rh8 Rf2+ 51. Kg1 Ke4 52. Rc8 Kf3 53. Rxc5 bxc5 54. b6 Rb2 55. h4 g4 56. h5 g3 0-1

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.07.01"]
[Round "2"]
[White "Kaczorowski, Piotr"]
[Black "Karwowski, Kacper"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2058"]
[BlackElo "1930"]
[PlyCount "100"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. 0-0 Be7 6. d4 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Bf6 10. b3 c5 11. e3 cxd4 12. Nxd4 Bxg2 13. Kxg2 d5 14. Ba3 Re8 15. Rfd1 Nc6 16. Rac1 Nxd4 17. exd4 dxc4 18. bxc4 Rc8 19. Qd3 Be7 20. d5 Bxa3 21. Qxa3 exd5 22. cxd5 Rxc1 23. Qxc1 Qd6 24. Qc6 Rd8 25. Qxd6 Rxd6 26. Kf3 Kf8 27. Ke4 Ke7 28. Rc1 Kd7 29. Rc3 b5 30. Ra3 a6 31. g4 b4 32. Ra4 Rg6 33. Rxb4 Rxg4+ 34. f4 Rg2 35. Rb7+ Kd6 36. Rb6+ Ke7 37. Rxa6 Rxh2 38. a4 h5 39. Ra7+ Kf6 40. Ra6+ Ke7 41. d6+ Ke6 42. f5+ Kd7 43. Ra7+ Kxd6 44. Rxf7 Rh4+ 45. Kf3 Rxa4 46. Rxg7 Ke5 47. Rh7 Rf4+ 48. Kg3 h4+ 49. Rxh4 Rxh4 50. Kxh4 Kxf5 1/2-1/2

[Event "Lazy Baltic Pearl op 09th"]
[Site "Lazy"]
[Date "2013.06.30"]
[Round "1"]
[White "Shishkin, Vadim"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2502"]
[BlackElo "2058"]
[PlyCount "63"]
[EventDate "2013.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. h4 Bg7 6. e3 Nxc3 7. bxc3 c5 8. cxd5 Qxd5 9. Qf3 Qxf3 10. Nxf3 cxd4 11. cxd4 Nc6 12. Rb1 a6 13. Be2 e5 14. d5 Na5 15. e4 b5 16. h5 gxh5 17. Nd2 Bd7 18. Rxh5 Rc8 19. Bh6 Bf6 20. f4 exf4 21. e5 Bd8 22. Bxf4 Nc4 23. Ne4 Be7 24. Kf2 Rg8 25. Rbh1 Bg4 26. Bxg4 Rxg4 27. Kf3 Rg7 28. Rxh7 Rxh7 29. Rxh7 Nb6 30. d6 Bd8 31. e6 fxe6 32. d7+ 1-0

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.29"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Kowalski, Maciej"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2053"]
[BlackElo "1882"]
[PlyCount "46"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Qc2 Nbd7 5. d4 e6 6. Bg2 Bd6 7. 0-0 0-0 8. Nbd2 Re8 9. Rd1 Qe7 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 e5 13. d5 Nf6 14. Qc2 cxd5 15. cxd5 Bg4 16. Bg5 h6 17. Bxf6 Qxf6 18. Qe4 Bf5 19. Qa4 e4 20. Nd4 Bg4 21. Re1 Bc5 22. Rad1 Bxd1 23. Rxd1 b5 0-1

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "5"]
[White "Gralka, Julian"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2240"]
[BlackElo "2053"]
[PlyCount "49"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Be7 15. Bd2 Nb8 16. Ne1 Bg6 17. f4 Nc6 18. g4 Bxd3 19. Qxd3 Qb6 20. Bc3 Rac8 21. Nf3 Qb3 22. Nd2 Nb4 23. Qb5 Qc2 24. Bxb4 a6 25. Qxb7 1-0

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Smal, Tobiasz"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2053"]
[BlackElo "1854"]
[PlyCount "84"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. 0-0 0-0 8. Nc3 d6 9. Bg5 Be6 10. Qd2 a5 11. a4 Qc8 12. Nb5 Bh3 13. Bxh3 Qxh3 14. Bxf6 Bxf6 15. Nc7 Rac8 16. Nd5 Qe6 17. Nxf6+ Qxf6 18. c3 Qe6 19. Nc1 Ne5 20. Nd3 Nc4 21. Qc2 Qf5 22. Rfd1 d5 23. Rac1 e6 24. Qb3 b6 25. Qb5 Rb8 26. Nf4 h5 27. b3 Ne5 28. Nxd5 exd5 29. Rxd5 f6 30. f4 Qe4 31. fxe5 Qe3+ 32. Kg2 Qxc1 33. Qc4 Kh8 34. e6 Qe3 35. Rd7 Rbe8 36. Qc7 Qxe2+ 37. Kg1 Qe1+ 38. Kg2 Qe4+ 39. Kg1 g5 40. e7 Qe3+ 41. Kg2 Rf7 42. Rd8 Rfxe7 0-1

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "4"]
[White "Kaczorowski, Piotr"]
[Black "Wacior, Maciej"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2053"]
[BlackElo "1703"]
[PlyCount "83"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 g6 4. e3 Bg7 5. Be2 0-0 6. 0-0 c6 7. c4 Nbd7 8. d4 Ne4 9. Nbd2 f5 10. cxd5 cxd5 11. Qc2 e6 12. Rac1 g5 13. Nxe4 fxe4 14. Ne5 Nxe5 15. dxe5 g4 16. Bxg4 Qg5 17. Bh3 h5 18. Qc7 Kh8 19. Kh1 Qh4 20. Rc2 Rf3 21. Kg1 Qg5 22. g3 h4 23. Kh1 hxg3 24. hxg3 Qh5 25. Kg2 Rf7 26. Qd8+ Rf8 27. Qh4 Qxh4 28. gxh4 Bd7 29. Rc7 Bc6 30. Bxe6 Rae8 31. Bf7 Rxe5 32. Bg6 Be8 33. Bxe8 Rfxe8 34. Bxe5 Bxe5 35. Rxb7 Rg8+ 36. Kh3 Rf8 37. Rxa7 Rf3+ 38. Kg4 Bg3 39. Rc1 Bd6 40. Rc8+ Bf8 41. Raa8 Kg7 42. Rxf8 1-0

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "8"]
[White "Karwowski, Kacper"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1965"]
[BlackElo "2053"]
[PlyCount "82"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be2 Nc6 6. Nb3 Nf6 7. Nc3 0-0 8. 0-0 d6 9. Bg5 Be6 10. Kh1 Rc8 11. f4 Na5 12. f5 Bc4 13. Bd3 Bxd3 14. cxd3 Nxb3 15. axb3 a6 16. d4 Nd7 17. Nd5 Nf6 18. Nc3 Nd7 19. fxg6 fxg6 20. Qg4 Nf6 21. Qe6+ Kh8 22. e5 dxe5 23. dxe5 Rc6 24. Qh3 Ng8 25. Rfe1 Rf5 26. Rad1 Qf8 27. Qh4 Re6 28. Nd5 Rexe5 29. Nf4 Qf7 30. Rxe5 Bxe5 31. Rf1 Bxf4 32. Bxf4 g5 33. Be5+ Rxe5 34. Qc4 Qxc4 35. bxc4 Re2 36. Rb1 Nf6 37. Kg1 Ne4 38. Kf1 Rf2+ 39. Kg1 Rc2 40. b3 Nc3 41. Re1 Rc1 0-1

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "2"]
[White "Malaniuk, Vladimir P"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2517"]
[BlackElo "2053"]
[PlyCount "45"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 Ne4 5. Bf4 0-0 6. Nbd2 Nxd2 7. Qxd2 d5 8. h4 h5 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 c6 12. 0-0-0 Nd7 13. Rdg1 Nf6 14. Ne5 Ne4 15. Qc2 Bxe5 16. Bxe5 f6 17. f3 fxe5 18. fxe4 Qd6 19. g4 hxg4 20. Rxg4 Rf6 21. h5 Raf8 22. Qg2 exd4 23. hxg6 1-0

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "1"]
[White "Maruszczak, Joanna"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1820"]
[BlackElo "2053"]
[PlyCount "70"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bd7 8. Bf4 Qc8 9. Qb3 Nf6 10. 0-0 e6 11. h3 Be7 12. Nd2 Na5 13. Qc2 b5 14. b3 0-0 15. Be5 g6 16. g4 Qb7 17. Qb2 Nc6 18. f4 Ne8 19. f5 Nxe5 20. dxe5 exf5 21. gxf5 gxf5 22. Bxf5 Kh8 23. Nd4 Rg8+ 24. Kh2 Bxf5 25. Rxf5 f6 26. N2f3 Ng7 27. Rf4 fxe5 28. Nxe5 Bd6 29. Re1 Nh5 30. Rf5 Qg7 31. Qf2 Raf8 32. Rxf8 Rxf8 33. Qe2 Qg3+ 34. Kh1 Qxh3+ 35. Qh2 Rf1+ 0-1

[Event "Guzinsky Memorial 6th"]
[Site "Lazy"]
[Date "2013.03.28"]
[Round "6"]
[White "Zolnierowicz, Krzysztof"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2167"]
[BlackElo "2053"]
[PlyCount "75"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 Nh5 6. Be3 Nc6 7. Be2 Bg4 8. Qd2 Bxf3 9. Bxf3 e5 10. dxe5 dxe5 11. Qxd8+ Rxd8 12. Bxh5 gxh5 13. Nd5 Rd7 14. 0-0-0 f6 15. h4 Rf8 16. c3 a6 17. f3 f5 18. exf5 Rxf5 19. Rhe1 Ne7 20. Nxe7 Rxd1+ 21. Kxd1 Kxe7 22. Kc2 Bf6 23. Rh1 Ke6 24. Kd3 b5 25. Ke4 Be7 26. g4 Rf8 27. gxh5 Rg8 28. Bg5 Bxg5 29. Rg1 h6 30. hxg5 hxg5 31. h6 Kf6 32. h7 Rh8 33. Rh1 Kg6 34. Kxe5 Rxh7 35. Rxh7 Kxh7 36. Kf5 Kh6 37. f4 gxf4 38. Kxf4 1/2-1/2

[Event "Warsaw YMCA Winter 116th"]
[Site "Warsaw"]
[Date "2013.02.07"]
[Round "5"]
[White "Kielar, Maciej"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2106"]
[BlackElo "2088"]
[PlyCount "66"]
[EventDate "2013.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 dxc6 8. 0-0 Nf6 9. Be3 Be7 10. f4 0-0 11. Qf3 c5 12. e5 Ne8 13. Qh5 g6 14. Qh6 f5 15. exf6 Bxf6 16. Rad1 Nd6 17. Qh3 Bd7 18. Kh1 Rae8 19. Qg3 Bxc3 20. bxc3 Nf5 21. Bxf5 Rxf5 22. c4 Bc6 23. Bc1 Ref8 24. Rfe1 Qf7 25. Qc3 Qf6 26. Qe3 Re8 27. Rd6 g5 28. Rxe6 Rxe6 29. Qxe6+ Qxe6 30. Rxe6 gxf4 31. Kg1 Kf7 32. Re2 f3 33. Rf2 fxg2 1-0

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.02.02"]
[Round "9"]
[White "Kaczorowski, Piotr"]
[Black "Sroka, Janusz"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2088"]
[BlackElo "2129"]
[PlyCount "155"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. a3 Nf6 2. Nf3 d6 3. d3 e5 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. c4 h6 8. Nc3 Nc6 9. Rb1 Be6 10. b4 a6 11. a4 Qd7 12. b5 axb5 13. axb5 Ne7 14. Re1 Bh3 15. Bh1 Nh5 16. Qb3 Kh7 17. Nd2 Rab8 18. Ra1 f5 19. Ra7 b6 20. Nd5 Nxd5 21. Bxd5 f4 22. Bb2 fxg3 23. hxg3 Nf6 24. Rea1 Nxd5 25. cxd5 Rf7 26. Ne4 Bf5 27. Rc1 Rc8 28. Rc6 Bxe4 29. dxe4 Qh3 30. Qc3 Qg4 31. Qd3 h5 32. Bc3 h4 33. Be1 hxg3 34. Qxg3 Qxe2 35. Bb4 Rcf8 36. Rcxc7 Qd1+ 37. Kg2 Rxf2+ 38. Qxf2 Rxf2+ 39. Kxf2 Qd4+ 40. Kf3 Qxb4 41. Rxg7+ Kh6 42. Rgd7 Kg5 43. Rac7 Qb3+ 44. Kf2 Kf4 45. Rxd6 Qb2+ 46. Kg1 g5 47. Rdc6 Qd4+ 48. Kf1 Qd1+ 49. Kf2 Qf3+ 50. Kg1 Qg3+ 51. Kf1 Qh3+ 52. Kg1 g4 53. d6 Qg3+ 54. Kf1 Qf3+ 55. Ke1 Qh1+ 56. Kd2 g3 57. d7 Qg2+ 58. Kc3 Qf3+ 59. Kb4 Qd1 60. Rg6 Qd2+ 61. Kb3 Qd3+ 62. Rc3 Qxb5+ 63. Kc2 Qxd7 64. Rgxg3 Qa4+ 65. Kb2 Qxe4 66. Rh3 Qe2+ 67. Kb3 Qb5+ 68. Kc2 Qa4+ 69. Kb2 Qb5+ 70. Kc2 Qe2+ 71. Kb3 e4 72. Ka3 Qa6+ 73. Kb2 Ke5 74. Rb3 Qe2+ 75. Ka3 Qa6+ 76. Kb2 Qe2+ 77. Ka3 Qa6+ 78. Kb2 1/2-1/2

[Event "Warsaw YMCA Winter 116th"]
[Site "Warsaw"]
[Date "2013.02.01"]
[Round "2"]
[White "Kaczorowski, Piotr"]
[Black "Sanz Losada, Victoriano"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2088"]
[BlackElo "2093"]
[PlyCount "86"]
[EventDate "2013.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 Nbd7 10. b4 Ba7 11. Bb2 b5 12. Bd3 Bb7 13. Nbd2 Ke7 14. Rac1 Rhc8 15. Kf1 Rxc1 16. Rxc1 Rc8 17. Rxc8 Bxc8 18. Ne4 Bb7 19. Nxf6 Nxf6 20. Ke2 g6 21. g3 Ne4 22. Bxe4 Bxe4 23. Ng5 Bb1 24. Nxh7 Bb8 25. f4 Ba7 26. Nf6 Bb6 27. h4 a5 28. g4 axb4 29. axb4 Bd8 30. h5 gxh5 31. gxh5 Kf8 32. Nd7+ Kg8 33. Bf6 Bc7 34. Be7 Kh7 35. Bf8 Bd8 36. Ne5 Bf6 37. Nd3 Kg8 38. Bd6 Kh7 39. Nf2 Bc3 40. Bf8 Kg8 41. Bc5 Kh7 42. Bf8 Kg8 43. Bc5 Kh7 1/2-1/2

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.02.01"]
[Round "8"]
[White "Sliwicka, Alicja"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1772"]
[BlackElo "2088"]
[PlyCount "84"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Qxb6 7. e4 g6 8. g3 Bg7 9. Bg2 0-0 10. Nf3 Nbd7 11. 0-0 Ng4 12. Nd2 Nge5 13. f4 c4+ 14. Kh1 Nd3 15. Nxc4 Qd4 16. Na3 Nf2+ 17. Rxf2 Qxf2 18. Nc2 Qb6 19. Qf3 a5 20. Rb1 Ba6 21. Be3 Qb7 22. Bd4 Rfc8 23. Bxg7 Kxg7 24. h4 Nc5 25. b4 Nd3 26. Qe3 Qa7 27. Qd2 Qf2 28. Ne2 Rxc2 29. Qxc2 Rc8 30. Qd2 Nxb4 31. Qd4+ Qxd4 32. Nxd4 Nxa2 33. Nc6 a4 34. Rb6 Bd3 35. Rb7 Nc3 36. e5 a3 37. Ra7 a2 38. Nxe7 Rc7 39. Rxa2 Nxa2 40. exd6 Rd7 41. Nc8 f5 42. Kg1 Nc3 0-1

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.31"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Flak, Pawel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2088"]
[BlackElo "2240"]
[PlyCount "126"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. e3 Bg4 4. Be2 Nd7 5. 0-0 Qc7 6. Nbd2 e6 7. c4 Ngf6 8. Qc2 Bf5 9. Bd3 Bxd3 10. Qxd3 Be7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 h6 15. h3 0-0-0 16. Rd1 Nd7 17. Be3 g5 18. c5 Nf6 19. Ne5 Rdf8 20. b4 Nd5 21. Qb3 Rhg8 22. b5 f6 23. Nc4 cxb5 24. Nd6+ Bxd6 25. cxd6 Qxd6 26. Qxb5 Rf7 27. Rdc1+ Kb8 28. Rab1 Rc7 29. Rxc7 Qxc7 30. Rc1 Qd6 31. Bd2 Nb6 32. Qe2 Qd5 33. Bb4 Rc8 34. Rxc8+ Nxc8 35. Bf8 Nd6 36. Bxh6 Nf5 37. Bf8 Nxd4 38. Qd3 f5 39. Qg3+ f4 40. Qg4 f3 41. Kh2 fxg2 42. Qxg2 Kc7 43. Qxd5 exd5 44. Kg3 Ne6 45. Be7 Kc6 46. Kg4 d4 47. Kf5 Kd5 48. Bb4 d3 49. Bd2 b5 50. f3 a6 51. Kg4 Kc4 52. Kf5 Nd4+ 53. Ke4 Ne2 54. Bxg5 Nc3+ 55. Kf5 Nxa2 56. h4 b4 57. h5 b3 58. h6 b2 59. h7 b1Q 60. h8Q d2+ 61. Kf4 d1Q 62. Qc8+ Kd3 63. Qxa6+ Kc2 0-1

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.30"]
[Round "6"]
[White "Winiarski, Mikolaj"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2089"]
[BlackElo "2088"]
[PlyCount "156"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 e6 8. Nf4 Bh7 9. Bc4 Nf6 10. Ngh5 Nd5 11. c3 Nd7 12. Qe2 N7b6 13. Bd3 Bxd3 14. Nxd3 g6 15. Qe5 Rg8 16. Ng3 Bd6 17. Qe4 Qc7 18. Ne2 h5 19. Bg5 Be7 20. Qf3 Bxg5 21. hxg5 0-0-0 22. Ng3 Nc4 23. 0-0 Nd6 24. Ne4 Nxe4 25. Qxe4 Rgf8 26. Rad1 Qe7 27. Qe5 Qc7 28. Qe4 Qe7 29. Qe5 Qc7 30. Qxc7+ Kxc7 31. Rfe1 b5 32. Nc5 Nb6 33. Re2 Rd5 34. Rxe6 Rxc5 35. dxc5 fxe6 36. cxb6+ axb6 37. g3 e5 38. Rf1 Kd6 39. Kg2 Ke6 40. Rd1 Rf5 41. Rd8 Rxg5 42. Rb8 h4 43. Rxb6 Kd5 44. Rb8 hxg3 45. f3 e4 46. Rd8+ Kc5 47. fxe4 b4 48. Rd4 bxc3 49. bxc3 Kb5 50. Rd3 Kc4 51. Re3 Ra5 52. e5 Rxa2+ 53. Kxg3 Kd5 54. Kf4 Rf2+ 55. Kg3 Rf7 56. Kg4 Ke6 57. Kg5 Rf5+ 58. Kxg6 Rxe5 59. Rd3 Rd5 60. Re3+ Kd6 61. Kf6 Rh5 62. Rd3+ Kc5 63. Ke6 Kc4 64. Rg3 c5 65. Kd6 Kb3 66. Ke6 c4 67. Rf3 Rh1 68. Ke5 Rc1 69. Kd4 Rd1+ 70. Ke5 Rd3 71. Rf8 Rxc3 72. Rb8+ Kc2 73. Rh8 Kb2 74. Rb8+ Rb3 75. Rh8 c3 76. Rh2+ c2 77. Kd4 Rg3 78. Kc4 Kb1 0-1

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.29"]
[Round "5"]
[White "Kaczorowski, Piotr"]
[Black "Tabola, Marcin"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2088"]
[BlackElo "1967"]
[PlyCount "68"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. Nbd2 e5 7. e4 Bc5 8. c3 a5 9. b3 Qe7 10. Qc2 0-0 11. Bb2 dxe4 12. dxe4 Ba3 13. Bxa3 Qxa3 14. h3 Bh5 15. Nc4 Qc5 16. Nh4 b5 17. Ne3 Bg6 18. Rfd1 Rfd8 19. Nhf5 Nb6 20. Rd2 Bxf5 21. Nxf5 g6 22. Rad1 Rd7 23. Rxd7 Nbxd7 24. Nd6 b4 25. c4 a4 26. g4 axb3 27. axb3 Nf8 28. Kh2 Ne6 29. Qc1 Ra2 30. Rd2 Rxd2 31. Qxd2 Qd4 32. Qxd4 Nxd4 33. c5 Nxb3 34. Bf1 Nd2 0-1

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.28"]
[Round "4"]
[White "Wisniewski, Michal"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1836"]
[BlackElo "2088"]
[PlyCount "69"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Be2 Be7 8. 0-0 0-0 9. Qg3 Nbd7 10. f4 Kh8 11. Kh1 b5 12. e5 Ng8 13. Bd2 Nh6 14. Rae1 Bh4 15. Qh2 Nf5 16. g4 Ng3+ 17. Kg2 Nxf1 18. Rxf1 f6 19. d4 b4 20. Nd1 Qb6 21. Be3 fxe5 22. dxe5 d4 23. Bf2 Bxf2 24. Nxf2 Qc5 25. Bd3 g5 26. fxg5 Nxe5 27. Ne4 Qd5 28. Rf6 Nd7 29. Rh6 Nc5 30. Qc7 Qd7 31. Qe5+ Kg8 32. Nf6+ Rxf6 33. Bxh7+ Kh8 34. Qxf6+ Qg7 35. Bd3+ 1-0

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.27"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Dmochowska, Agnieszka"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2088"]
[BlackElo "1783"]
[PlyCount "45"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Bf5 4. e3 e6 5. Bb5+ Nd7 6. Ne5 Ngf6 7. g4 Bg6 8. g5 Bh5 9. Bxd7+ Qxd7 10. Nxd7 Bxd1 11. Nxf6+ gxf6 12. Kxd1 e5 13. gxf6 Bd6 14. Nc3 d4 15. Ne4 Kd7 16. Rg1 Rhg8 17. Ke2 Ke6 18. Rg7 Rxg7 19. fxg7 f5 20. Nxd6 Kxd6 21. Rg1 Rg8 22. f4 exf4 23. exd4 1-0

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.26"]
[Round "2"]
[White "Czempiel, Henryk"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1908"]
[BlackElo "2088"]
[PlyCount "45"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 g6 4. Bc4 Qc7 5. Bb3 Nf6 6. Qe2 Bg7 7. e5 d3 8. Qxd3 Qxe5+ 9. Be3 0-0 10. Nf3 Qc7 11. Na3 Nc6 12. 0-0-0 d6 13. Nb5 Qa5 14. Rde1 Ng4 15. Nbd4 Nxe3 16. Qxe3 Bf6 17. h4 Bg4 18. Nxc6 bxc6 19. Nd4 Rac8 20. Qe4 Bd7 21. h5 c5 22. hxg6 cxd4 23. gxf7+ 1-0

[Event "Gora Sw Anny op-A 6th"]
[Site "Gora Sw Anny"]
[Date "2013.01.26"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Hnydiuk, Aleksander"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2088"]
[BlackElo "2416"]
[PlyCount "58"]
[EventDate "2013.01.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Na3 Bf5 9. Nd2 e6 10. Nb5 Ra5 11. Nd6+ Bxd6 12. Bxd6 Kd7 13. Ba3 Rha8 14. f3 Rxa3 15. bxa3 Rxa3 16. e4 Bg6 17. Nb1 Ra5 18. Nd2 b5 19. exd5 exd5 20. Be2 b4 21. cxb4 Nxb4 22. Kf2 Nc2 23. Rab1 Nxd4 24. Rxb7+ Kc6 25. Rb8 Rxa2 26. Rd1 Kc7 27. Rb4 Nxe2 28. Kxe2 c3 29. Rc1 Rxd2+ 0-1

[Event "Warsaw YMCA Winter 116th"]
[Site "Warsaw"]
[Date "2013.01.23"]
[Round "3"]
[White "Szewczyk, Mariusz"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2074"]
[BlackElo "2088"]
[PlyCount "117"]
[EventDate "2013.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. f4 Nf6 4. Nf3 g6 5. e4 Bg7 6. d3 0-0 7. Nbd2 b5 8. d4 Nxd4 9. Nxd4 cxd4 10. Bxd4 Nh5 11. Bxg7 Kxg7 12. g3 Qb6 13. Qf3 Bb7 14. Qf2 Qxf2+ 15. Kxf2 Rac8 16. Rc1 f5 17. Bd3 e5 18. Rhe1 fxe4 19. Nxe4 Bxe4 20. Rxe4 exf4 21. Re7+ Rf7 22. Rxf7+ Kxf7 23. Bxb5 fxg3+ 24. hxg3 Rc3 25. Bd3 Nf6 26. Ke3 h5 27. Kd4 Rc8 28. c4 g5 29. c5 h4 30. gxh4 gxh4 31. Rh1 Rh8 32. Bf5 Ke7 33. Ke5 Ne8 34. Rd1 Nf6 35. Rd3 Rg8 36. Rd6 Rg3 37. Rd2 h3 38. Rh2 Rg2 39. Rxh3 Rxa2 40. Rg3 Ne8 41. Kd5 Rf2 42. Bh3 Nc7+ 43. Kd4 Rf4+ 44. Ke5 Rf7 45. Bf5 Ne8 46. Rd3 d6+ 47. cxd6+ Nxd6 48. Bg4 Rg7 49. Kf4 Rf7+ 50. Ke3 Rg7 51. Rd4 Rg5 52. Ra4 a5 53. Kd3 Kd8 54. Rf4 Kc7 55. Kd4 Nb5+ 56. Kd3 Kb6 57. Be6 Rg3+ 58. Kc2 Rg2+ 59. Kd3 1/2-1/2

[Event "Warsaw YMCA Winter 116th"]
[Site "Warsaw"]
[Date "2013.01.10"]
[Round "1"]
[White "Szymczak, Rafal"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2067"]
[BlackElo "2088"]
[PlyCount "65"]
[EventDate "2013.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 0-0 5. e5 Ne8 6. d4 d6 7. Nf3 c5 8. c3 cxd4 9. cxd4 dxe5 10. dxe5 Qxd1+ 11. Kxd1 Nc6 12. Nc3 Bf5 13. Be3 f6 14. exf6 Nxf6 15. h3 Ne4 16. g4 Nxc3+ 17. bxc3 Bxc3 18. Rc1 Rad8+ 19. Ke2 Bd3+ 20. Kf2 Bb2 21. Rc5 e5 22. Kg3 exf4+ 23. Bxf4 Ba3 24. Rc3 Bb4 25. Rcc1 Bd6 26. Bxd6 Rxd6 27. Rhe1 h6 28. Ne5 Nxe5 29. Rxe5 Rd7 30. Rc3 Kg7 31. Bxb7 Rxb7 32. Rxd3 Rff7 33. Re2 1/2-1/2

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.05"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Picart, Laurent"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2054"]
[BlackElo "2103"]
[PlyCount "90"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. a3 d5 2. d4 Nf6 3. Nf3 c6 4. e3 Bg4 5. h3 Bh5 6. c4 e6 7. Nc3 Nbd7 8. Be2 Bd6 9. Nd2 Bxe2 10. Qxe2 a5 11. 0-0 0-0 12. e4 dxe4 13. Ndxe4 Be7 14. Rd1 Nxe4 15. Qxe4 Nf6 16. Qc2 Qc7 17. Bg5 Rfd8 18. Rd3 h6 19. Bh4 Qf4 20. Bg3 Qf5 21. Qe2 Bd6 22. Bxd6 Rxd6 23. Rad1 Rad8 24. R3d2 h5 25. Qe3 b5 26. b3 b4 27. axb4 axb4 28. Ne2 Ra8 29. Ng3 Qg6 30. Qe5 Rdd8 31. f3 Ra3 32. Rb2 c5 33. Ne2 cxd4 34. Nxd4 h4 35. Qe1 Qg5 36. Nc2 Rxd1 37. Qxd1 Ra8 38. Qe1 Nh5 39. Ne3 Ng3 40. Nf1 Qc5+ 41. Rf2 Qd4 42. Qd2 Qxd2 43. Rxd2 Ra1 44. Kf2 Rxf1+ 45. Ke3 Nf5+ 0-1

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.04"]
[Round "5"]
[White "Kaczorowski, Piotr"]
[Black "Rosenkilde, Alexander"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2054"]
[BlackElo "2260"]
[PlyCount "100"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 b6 4. Nc3 Bb7 5. d5 Be7 6. g3 0-0 7. Bg2 d6 8. e4 e5 9. Nge2 c6 10. 0-0 Nbd7 11. h3 Rc8 12. Be3 cxd5 13. cxd5 Ba6 14. Qa4 Bxe2 15. Nxe2 Qc7 16. Rfc1 Qb7 17. b4 a6 18. Rc6 a5 19. b5 Ne8 20. Rac1 Nc5 21. Qd1 Rd8 22. f4 f5 23. Bxc5 bxc5 24. Qd3 fxe4 25. Bxe4 Nf6 26. a4 Qd7 27. Kg2 g6 28. Rf1 Kg7 29. Rd1 Ne8 30. fxe5 dxe5 31. Bxg6 Nd6 32. Be4 Rf7 33. Nc3 Rdf8 34. Rd2 Bg5 35. Re2 h5 36. b6 h4 37. Rc7 Qd8 38. Rxf7+ Rxf7 39. Rb2 Qf6 40. Bf3 c4 41. Qe2 Bc1 42. Rb1 Qg5 43. Bg4 hxg3 44. Ne4 Nxe4 45. b7 Rf2+ 46. Qxf2 gxf2 47. b8Q f1Q+ 48. Kxf1 Qf4+ 49. Kg2 Qf2+ 50. Kh1 Ng3# 0-1

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.04"]
[Round "6"]
[White "Sirch, Franz"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2173"]
[BlackElo "2054"]
[PlyCount "168"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 dxe4 4. dxe4 Nf6 5. Ngf3 Be7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 0-0 9. Qe2 c6 10. b3 Qc7 11. Bb2 Rfd8 12. e5 Nd5 13. c4 Nf4 14. Qe4 Ng6 15. Rfe1 Nc5 16. Qc2 Rd7 17. Nd4 Rad8 18. N2f3 Nh4 19. Nxh4 Bxh4 20. Rad1 Be7 21. b4 Na6 22. a3 c5 23. Nb5 Qb6 24. Nd6 cxb4 25. Bd4 Qc6 26. axb4 Nxb4 27. Qb3 Bxd6 28. exd6 Rxd6 29. Bxa7 Nd3 30. Rf1 b6 31. Rb1 Nf4 32. Qf3 Qxc4 33. Bxb6 Rc8 34. Be3 Nd3 35. h3 Rd7 36. Qg3 Qd5 37. Rfd1 e5 38. Bh6 f6 39. Be3 Qe4 40. Ra1 Kh8 41. Rdb1 h6 42. Rb6 Kh7 43. Raa6 Nf4 44. Kh2 Nd5 45. Rd6 Rxd6 46. Rxd6 Nxe3 47. fxe3 Rc3 48. Rd7 Qg6 49. Qf2 Qg5 50. e4 Rc4 51. Qf5+ Qxf5 52. exf5 h5 53. g3 Rc2+ 54. Kg1 Kh6 55. Rf7 Ra2 56. Re7 Rb2 57. Rf7 Kg5 58. Rxg7+ Kxf5 59. Rh7 Ke4 60. Rxh5 Kf3 61. g4 Rb6 62. Rf5+ Kg3 63. Kf1 Rb1+ 64. Ke2 Rb2+ 65. Ke3 Rb3+ 66. Ke2 Kxh3 67. g5 Kg4 68. Rxf6 Kxg5 69. Rf8 Ra3 70. Rf7 Kg4 71. Rf8 Ra4 72. Ke3 Rf4 73. Rg8+ Kf5 74. Rf8+ Kg5 75. Rxf4 exf4+ 76. Kf3 Kf5 77. Kf2 Ke4 78. Ke2 f3+ 79. Kf2 Kf4 80. Kf1 Kg4 81. Kf2 Kf4 82. Kf1 Kg3 83. Kg1 f2+ 84. Kf1 Kf3 1/2-1/2

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.03"]
[Round "4"]
[White "Drabke, Lorenz Maximilian"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2411"]
[BlackElo "2054"]
[PlyCount "56"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. 0-0-0 Ngf6 13. Ne4 0-0-0 14. g3 Nc5 15. Nxc5 Bxc5 16. Rh4 Rhe8 17. Qe2 Bd6 18. Ne5 Qe7 19. Nc4 Bc7 20. a3 Nd5 21. Rg4 Rg8 22. Ne5 Kb8 23. c4 Nf6 24. Rh4 Rgf8 25. Bb4 Bd6 26. Ba5 Bc7 27. Bb4 Bd6 28. Ba5 Bc7 1/2-1/2

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.02"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Helbig, Mark"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2054"]
[BlackElo "2308"]
[PlyCount "91"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. a3 h6 2. d4 Nf6 3. c4 e6 4. Nc3 d5 5. Nf3 c6 6. e3 Nbd7 7. Bd3 Bd6 8. 0-0 0-0 9. e4 dxc4 10. Bxc4 e5 11. h3 b5 12. Bb3 a6 13. Be3 Bb7 14. dxe5 Nxe5 15. Nd4 Re8 16. f4 Ned7 17. e5 Bf8 18. exf6 Rxe3 19. Nf5 Rxc3 20. bxc3 Qb6+ 21. Kh1 Nxf6 22. a4 Rd8 23. Qe1 Qc5 24. Qe5 Nd5 25. Rad1 Rc8 26. Rf3 g6 27. Rg3 Rc7 28. Bxd5 cxd5 29. axb5 axb5 30. Nd4 Bd6 31. Qe8+ Kh7 32. Ne6 Qc6 33. Nxc7 Qxc7 34. Qxb5 Bc6 35. Qf1 Qe7 36. Rf3 Qf6 37. Qf2 Qe7 38. Re1 Qb7 39. Qd4 Bf8 40. Rf2 Bg7 41. Qb4 Qd7 42. f5 Qa7 43. fxg6+ fxg6 44. Rfe2 d4 45. Re7 Qa2 46. Rxg7+ 1-0

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.02"]
[Round "2"]
[White "Papista, Akos"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "B74"]
[WhiteElo "2159"]
[BlackElo "2054"]
[PlyCount "112"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nb3 d6 8. Be2 0-0 9. 0-0 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 Nxb3 14. axb3 a6 15. Qe2 e6 16. g4 Nd7 17. g5 gxf5 18. exf5 Bxc3 19. bxc3 exf5 20. Bd4 Ne5 21. Rxf5 Qd7 22. Raf1 Rae8 23. Qh5 Re6 24. h4 Qe8 25. Rf6 Rxf6 26. gxf6 Kh8 27. Bxe5 dxe5 28. Qh6 Rg8+ 29. Kh2 Rg6 30. Qe3 Qe6 31. d4 e4 32. Rf4 Qxb3 33. h5 Rg8 34. Rxe4 Qc2+ 35. Qe2 Qxc3 36. Rg4 Qc7+ 37. Kh1 Qc6+ 38. Kh2 Qxf6 39. Rxg8+ Kxg8 40. Qg2+ Kf8 41. Qe4 h6 42. d5 Qd6+ 43. Kg2 b5 44. Qf5 b4 45. Kf3 Ke7 46. Qe4+ Kd8 47. Qf5 Qe7 48. Qf4 Qb7 49. Qd6+ Ke8 50. Qe5+ Kd7 51. Qf5+ Kd6 52. Ke4 Qe7+ 53. Kd4 Qh4+ 54. Kd3 Qg3+ 55. Ke4 Qg2+ 56. Kd4 Qd2+ 0-1

[Event "NATO-ch 23nd"]
[Site "Brest"]
[Date "2012.10.01"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Ulusoy, Mustafa"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "2054"]
[BlackElo "1707"]
[PlyCount "105"]
[EventDate "2012.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. 0-0 h6 9. Bh4 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. e4 Nxc3 13. bxc3 e5 14. d5 cxd5 15. Bxd5 Nf6 16. c4 Bg4 17. h3 Bxf3 18. Qxf3 Nxd5 19. cxd5 Rac8 20. Rac1 Rc5 21. Rfd1 Rxc1 22. Rxc1 f6 23. Rc4 Rd8 24. Qc3 Rd7 25. Rc8+ Kh7 26. h4 Qf7 27. Qc5 a6 28. a4 Qe7 29. Qb6 Qf7 30. Qc5 Qe7 31. a5 Qxc5 32. Rxc5 Kg6 33. Kh2 Kf7 34. h5 Ke7 35. Kg3 Kd6 36. Rc8 Rc7 37. Rxc7 Kxc7 38. Kf3 b6 39. axb6+ Kxb6 40. Ke3 Kc5 41. Kd3 f5 42. f3 f4 43. Kc3 Kb5 44. Kb3 Kc5 45. Ka4 Kb6 46. Kb4 a5+ 47. Kc4 a4 48. Kb4 a3 49. Kxa3 Kb5 50. Kb3 Kc5 51. Ka4 Kb6 52. Kb4 Kc7 53. Kc5 1-0

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.25"]
[Round "8"]
[White "Witwicki, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1915"]
[BlackElo "2116"]
[PlyCount "59"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 c6 8. Nc3 Nbd7 9. Nxc4 Nb6 10. Ne5 Nfd7 11. Qb3 Nxe5 12. dxe5 Qd4 13. Be3 Qxe5 14. Bxb6 axb6 15. Qxb6 Qa5 16. Qb3 Rd8 17. Rfd1 Rb8 18. Bxc6 Rxd1+ 19. Rxd1 Qc5 20. Bf3 b5 21. Ne4 Qb6 22. h4 h6 23. a3 Bb7 24. Rd7 Bd5 25. Qc3 b4 26. Qd2 Bf8 27. Qf4 f5 28. Nd2 Rb7 29. Rxd5 exd5 30. Bxd5+ 1-0

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.24"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Lizak, Jakub"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2116"]
[BlackElo "1793"]
[PlyCount "81"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. c4 a6 7. Nc3 Nc6 8. h3 Rb8 9. Be3 b5 10. cxb5 axb5 11. Rc1 Na5 12. b3 Bf5 13. d5 b4 14. Na4 Be4 15. Ng5 Bxg2 16. Kxg2 Rb5 17. Qe1 Nxd5 18. Bd2 h6 19. Nf3 c5 20. e4 Nc7 21. Qe2 Rb8 22. Rfd1 Nc6 23. Nxc5 Qc8 24. Na4 Nd8 25. Qc4 Nde6 26. Bxb4 Nb5 27. Qxc8 Rfxc8 28. Rxc8+ Rxc8 29. Nb6 Rb8 30. Nd5 Rb7 31. Rc1 f5 32. exf5 gxf5 33. a4 Nbd4 34. Nxd4 Nxd4 35. Rc7 Rxc7 36. Nxc7 Nc6 37. Bd2 h5 38. b4 Bd4 39. b5 Nd8 40. a5 Kf7 41. Be3 1-0

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.22"]
[Round "5"]
[White "Kaczorowski, Piotr"]
[Black "Grzeskow, Adrian"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2116"]
[BlackElo "1833"]
[PlyCount "75"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 d5 4. e3 Nf6 5. Bb5 Bd7 6. 0-0 e6 7. d4 cxd4 8. exd4 Bd6 9. Qe2 Rc8 10. Nbd2 0-0 11. a3 Ne7 12. Bd3 Ng6 13. g3 Bc6 14. Ne5 Bb8 15. f4 Qb6 16. a4 a5 17. h4 Rfd8 18. h5 Nxe5 19. fxe5 Ne4 20. Bxe4 dxe4 21. Nc4 Qb4 22. c3 Qe7 23. Qe3 Bd5 24. Ba3 Qc7 25. Bd6 Qc6 26. Bxb8 Bxc4 27. bxc4 Rxb8 28. h6 g6 29. Qf4 f5 30. exf6 Kf7 31. c5 Rdc8 32. Rae1 b6 33. Rxe4 bxc5 34. Rfe1 Rb2 35. Qe5 Re8 36. d5 Qb6 37. dxe6+ Kf8 38. e7+ 1-0

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.21"]
[Round "4"]
[White "Puroila, Sippo"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1868"]
[BlackElo "2116"]
[PlyCount "65"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 0-0 8. Qd2 c5 9. Rd1 Qa5 10. Nf3 Nc6 11. Be2 Rd8 12. 0-0 Bg4 13. Qb2 Rab8 14. h3 Bxf3 15. Bxf3 cxd4 16. cxd4 Qa4 17. e5 e6 18. Be2 Nb4 19. Rd2 Nd5 20. Rd3 Qd7 21. Rb3 a6 22. Bxa6 b6 23. Bb5 Qb7 24. Rb1 Nxe3 25. fxe3 Qe4 26. Be2 Bh6 27. Kf2 Rbc8 28. Rc1 Qh4+ 29. Kf1 Rxc1+ 30. Qxc1 Rxd4 31. Qc8+ Rd8 32. Qc4 Qg3 33. e4 0-1

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.20"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Kowalczyk, Mariusz"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2116"]
[BlackElo "1917"]
[PlyCount "58"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. c4 Nc6 6. d4 dxc4 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Nxc6 Bxc6 11. Bxc6+ Rxc6 12. Qb3 Qc7 13. Nc3 Bc5 14. Bf4 Qc8 15. Na4 Be7 16. Rac1 0-0 17. Rxc6 Qxc6 18. Rc1 Qe4 19. Nc3 Qc6 20. Nb5 Qa6 21. Be3 Nd5 22. Bxa7 b6 23. e4 Nf6 24. Rc7 Bc5 25. e5 Ng4 26. Rxc5 bxc5 27. Bxc5 Rb8 28. a4 Nxe5 29. Qd1 Qc6 0-1

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.19"]
[Round "2"]
[White "Szostko, Jakub"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "1758"]
[BlackElo "2116"]
[PlyCount "153"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. Nc3 Bb7 7. 0-0 d6 8. Kh1 Nf6 9. a3 Be7 10. f4 Nbd7 11. Qe1 0-0 12. Nb3 Qc7 13. Qg3 Rfe8 14. Bd2 Bf8 15. Rae1 e5 16. fxe5 dxe5 17. Bg5 Kh8 18. a4 bxa4 19. Nxa4 Be7 20. Qh4 Rg8 21. Re3 Nf8 22. Nc3 Ng6 23. Qg3 Nh5 24. Qg4 Bxg5 25. Qxg5 Nhf4 26. Ne2 f6 27. Qg3 Rad8 28. Ref3 Rxd3 29. cxd3 Nxe2 30. Qxg6 Bc8 31. Qh5 Nf4 32. Qh4 Qc2 33. Qf2 Qxb3 34. d4 Qb4 35. Re1 Bd7 36. d5 Bb5 37. Ree3 Rc8 38. Rc3 Rxc3 39. Rxc3 h6 40. Re3 Bd3 41. Qf3 Qxb2 42. h3 Ne2 43. Kh2 Nd4 44. Qg3 Bc4 45. Qg4 Qb4 46. Rg3 Qf8 47. Rc3 Qc5 48. Rg3 Qc7 49. d6 Qf7 50. Qc8+ Kh7 51. d7 Be6 52. d8Q Bxc8 53. Qxc8 a5 54. Qa6 Qc7 55. Ra3 Qc1 56. Qd3 Ne2 57. Qe3 Qc4 58. Rxa5 Nd4 59. Ra7 Qc5 60. Qa3 Qc6 61. Qe7 Ne6 62. Qxf6 Qxe4 63. Re7 Qf4+ 64. Qxf4 Nxf4 65. Rxe5 Ng6 66. Ra5 Ne7 67. Kg3 Ng8 68. Kf4 Kg6 69. Ra6+ Nf6 70. g4 Kh7 71. Kf5 Ng8 72. Ra7 Nf6 73. Rf7 Ng8 74. h4 Nf6 75. Rxf6 gxf6 76. Kxf6 h5 77. g5 1-0

[Event "Polanica Zdroj op-B 48th"]
[Site "Polanica Zdroj"]
[Date "2012.08.18"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Koszkul, Wojciech"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2116"]
[BlackElo "1834"]
[PlyCount "49"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. a3 Nf6 2. Nf3 e6 3. e3 d5 4. d4 Be7 5. c4 0-0 6. Nc3 c6 7. Bd3 dxc4 8. Bxc4 c5 9. 0-0 Nc6 10. dxc5 Bxc5 11. Qe2 a6 12. b4 Be7 13. Bb2 b5 14. Rfd1 Qb6 15. Bd3 Bb7 16. Ne4 Nxe4 17. Bxe4 Rfd8 18. h4 Rac8 19. Ng5 h6 20. Nxf7 Kxf7 21. Qh5+ Kf8 22. Bxg7+ Kxg7 23. Qg6+ Kf8 24. Qxh6+ Kg8 25. Bh7+ 1-0

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.13"]
[Round "8"]
[White "Sujkowski, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1970"]
[BlackElo "2116"]
[PlyCount "71"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Qc7 8. Qd2 Nc6 9. g4 Be7 10. 0-0-0 Nd7 11. Kb1 Nce5 12. Rg1 b5 13. f4 Nc4 14. Bxc4 Qxc4 15. f5 b4 16. Nce2 e5 17. b3 Qc7 18. Nf3 a5 19. g5 Bb7 20. Ng3 Nc5 21. Bxc5 dxc5 22. f6 gxf6 23. gxf6 Bxf6 24. Nh5 Ra6 25. Nxf6+ Rxf6 26. Nxe5 Re6 27. Nc4 Bxe4 28. Nd6+ Kf8 29. Nxe4 Rxe4 30. Qh6+ Ke8 31. Qf6 Rf8 32. Rge1 Re6 33. Rxe6+ fxe6 34. Qxe6+ Qe7 35. Qc6+ Kf7 36. Rd7 1-0

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.12"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Jarmula, Pawel"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2116"]
[BlackElo "2180"]
[PlyCount "68"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. a3 g6 2. Nf3 Bg7 3. d4 Nf6 4. e3 0-0 5. Be2 d6 6. 0-0 Nbd7 7. c4 e5 8. dxe5 dxe5 9. Nc3 c6 10. Qc2 Qc7 11. Rd1 a5 12. b3 Nc5 13. Bb2 Bf5 14. e4 Nfxe4 15. Nxe4 Bxe4 16. Qc3 Bxf3 17. Bxf3 f5 18. Be2 Rad8 19. h4 Ne6 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Bxd1 e4 23. Qd2 Bxb2 24. Qxb2 Qd6 25. Be2 Nd4 26. Bf1 c5 27. Qc3 b6 28. Qe3 Kg7 29. h5 Qe5 30. f4 Qd6 31. hxg6 hxg6 32. g4 Nf3+ 33. Kg2 Qf6 34. gxf5 Qh4 0-1

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.10"]
[Round "6"]
[White "Paprocka, Renata"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D91"]
[WhiteElo "1980"]
[BlackElo "2116"]
[PlyCount "87"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 0-0 10. Bd3 Be6 11. 0-0 Nd7 12. Rc1 c5 13. dxc5 Nxc5 14. Bb1 Rc8 15. Nd4 Qb6 16. Qd2 Rfd8 17. Rfd1 Ne4 18. Qe2 Nxc3 19. Rxc3 Rxc3 20. bxc3 Rc8 21. Qd2 Qc5 22. Rc1 b5 23. a3 a5 24. Bd3 Bd7 25. Rc2 Bxd4 26. exd4 Qxa3 27. h4 Qe7 28. Qf4 b4 29. Re2 Be6 30. cxb4 axb4 31. h5 g5 32. Qe5 Rc1+ 33. Re1 Rxe1+ 34. Qxe1 Qd6 35. h6 f5 36. Qb1 Qf8 37. g4 fxg4 38. Bxh7+ Kh8 39. Bc2 Qxh6 40. Qxb4 Qf6 41. Qd6 Kg7 42. Bd3 Bf5 43. Qxf6+ Kxf6 44. Be2 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.09"]
[Round "5"]
[White "Kaczorowski, Piotr"]
[Black "Kubeczko, Grzegorz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2116"]
[BlackElo "2017"]
[PlyCount "61"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. a3 d5 2. Nf3 Nf6 3. d4 c6 4. e3 Bg4 5. Bd3 Nbd7 6. c4 e5 7. Be2 e4 8. Nfd2 Bxe2 9. Qxe2 Bd6 10. Nc3 0-0 11. 0-0 Qe7 12. f3 exf3 13. gxf3 Nh5 14. f4 Ndf6 15. Nf3 g6 16. Ne5 Qe6 17. cxd5 cxd5 18. Bd2 Rac8 19. Be1 Ne4 20. f5 Nxc3 21. Bxc3 Qe7 22. Rf3 f6 23. fxg6 hxg6 24. Nxg6 Qg7 25. Kh1 Rfe8 26. Rg1 Qh7 27. Rh3 Ng3+ 28. Rgxg3 Bxg3 29. Rxh7 Kxh7 30. Qh5+ Kg7 31. hxg3 1-0

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.09"]
[Round "4"]
[White "Staroszczyk, Mateusz"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2052"]
[BlackElo "2116"]
[PlyCount "79"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. cxd5 Nxd5 8. 0-0 Nc6 9. Be4 Be6 10. Ng5 Nxc3 11. bxc3 Bc4 12. Re1 e5 13. Bxc6 bxc6 14. Ne4 exd4 15. exd4 cxd4 16. Ba3 Re8 17. Nd6 Rxe1+ 18. Qxe1 Be6 19. cxd4 Bxd4 20. Rd1 Qb6 21. Qd2 c5 22. Ne4 Bf5 23. Qf4 Re8 24. Nd6 Be5 25. Qa4 Rd8 26. Nxf5 Rxd1+ 27. Qxd1 gxf5 28. g4 f4 29. Qd5 Bd4 30. Qg5+ Qg6 31. Qxf4 h5 32. h3 hxg4 33. hxg4 Qb1+ 34. Kg2 Qxa2 35. Qg5+ Kh7 36. Qh5+ Kg7 37. Qg5+ Kh7 38. Qh5+ Kg7 39. Qg5+ Kh7 40. Qh5+ 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.08"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2116"]
[BlackElo "2072"]
[PlyCount "81"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. c4 d5 6. cxd5 Nxd5 7. Nc3 Be6 8. d3 Be7 9. Bd2 0-0 10. Rc1 Rc8 11. a3 a6 12. Ne4 b6 13. Neg5 Bg4 14. Qa4 Nd4 15. Nxd4 exd4 16. Nf3 Nc7 17. Ne5 Be6 18. b4 Bd6 19. Nc6 Qd7 20. bxc5 bxc5 21. Qc2 Nb5 22. a4 Na3 23. Qb2 Rxc6 24. Bxc6 Qxc6 25. Qxa3 Bh3 26. f3 Bxf1 27. Kxf1 h5 28. Qa2 Re8 29. Qc4 Qd7 30. e4 dxe3 31. Be1 Qh3+ 32. Kg1 e2 33. Bf2 Re6 34. Re1 Qf5 35. Kg2 Bc7 36. d4 Ba5 37. Rxe2 Rxe2 38. Qxe2 cxd4 39. Bxd4 Qd5 40. Qe8+ Kh7 41. Qe4+ 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.07"]
[Round "2"]
[White "Sielicki, Tomasz"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1982"]
[BlackElo "2116"]
[PlyCount "47"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Bf5 3. Nf3 h6 4. Bh4 c6 5. e3 Nd7 6. c4 Qa5+ 7. Nc3 e6 8. Qb3 Qb4 9. c5 Qxb3 10. axb3 Be7 11. Bxe7 Nxe7 12. b4 0-0 13. b5 f6 14. Be2 e5 15. 0-0 Bg4 16. h3 Bxf3 17. Bxf3 e4 18. Be2 f5 19. f4 exf3 20. Bxf3 Nf6 21. Ra3 cxb5 22. Nxb5 Nc6 23. Nc7 Rac8 24. Nxd5 1-0

[Event "Warsaw Najdorf Memorial op-A 10th"]
[Site "Warsaw"]
[Date "2012.08.06"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Nguyen, Piotr"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2116"]
[BlackElo "2388"]
[PlyCount "64"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. a3 g6 2. g3 Bg7 3. Bg2 f5 4. d4 Nf6 5. Nf3 0-0 6. 0-0 d6 7. d5 Na6 8. c4 Bd7 9. Nc3 c6 10. Nd4 Qe8 11. e4 fxe4 12. Nxe4 Nxe4 13. Bxe4 Nc5 14. Bc2 cxd5 15. cxd5 Qf7 16. b4 Qxd5 17. bxc5 Qxd4 18. Rb1 Qxc5 19. Rxb7 Bh3 20. Rxe7 Bd4 21. Qe2 Rac8 22. Bb3+ d5 23. Bf4 Bf6 24. Rb7 Bxf1 25. Qe6+ Kh8 26. Be5 Qc6 27. Bxf6+ Rxf6 28. Qe7 Qxb7 29. Qxb7 Bh3 30. f4 Rc1+ 31. Kf2 Re6 32. Qxd5 Rf1# 0-1

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.12.08"]
[Round "11"]
[White "Kaczorowski, Piotr"]
[Black "Krawczyk, Cezary"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2093"]
[BlackElo "2098"]
[PlyCount "75"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. a3 Nf6 2. Nf3 d5 3. d4 g6 4. e3 Bg7 5. Bd3 0-0 6. 0-0 b6 7. c4 dxc4 8. Bxc4 Bb7 9. Nc3 Nbd7 10. Qe2 a6 11. e4 b5 12. Ba2 c5 13. e5 Ng4 14. e6 cxd4 15. Nxd4 Nde5 16. exf7+ Kh8 17. Ne6 Qb8 18. f4 Qa7+ 19. Kh1 Nd3 20. Nd1 Nxc1 21. Rxc1 Nf6 22. Nxf8 Rxf8 23. Qe3 Qa8 24. Rc2 Be4 25. Rd2 Ng4 26. Qg3 Nh6 27. Ne3 Nxf7 28. Nd5 Qb7 29. Re1 Nd6 30. Nc3 Bf5 31. Bd5 Qc7 32. Rde2 Nc4 33. Rxe7 Qc5 34. Qh4 Nd6 35. Rxg7 Kxg7 36. Qe7+ Kh6 37. Qxf8+ Kh5 38. Bf3+ 1-0

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.11.24"]
[Round "9"]
[White "Grochulski, Grzegorz"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2061"]
[BlackElo "2093"]
[PlyCount "57"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. Nxf6+ Nxf6 8. 0-0 cxd4 9. Nxd4 Be7 10. Bf4 0-0 11. Nb5 Nd5 12. Be5 a6 13. Qh5 g6 14. Qh6 Bf6 15. Bxf6 Qxf6 16. Nd6 Rb8 17. c3 Bd7 18. Rad1 Bc6 19. Ne4 Qg7 20. Qh4 f6 21. Rfe1 g5 22. Qg3 Nf4 23. Bc4 Bxe4 24. Rxe4 Rbd8 25. Rde1 Rfe8 26. Qe3 Rd6 27. g3 Ng6 28. Bxe6+ Kh8 29. Qc5 1-0

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.11.17"]
[Round "8"]
[White "Kaczorowski, Piotr"]
[Black "Malec, Sebastian"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2093"]
[BlackElo "2148"]
[PlyCount "77"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. a3 d5 2. d4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Bd3 0-0 6. 0-0 Nbd7 7. c4 c5 8. Nc3 cxd4 9. exd4 dxc4 10. Bxc4 Nb6 11. Bd3 Bg4 12. Be3 Nfd5 13. h3 Nxe3 14. fxe3 Be6 15. Qe2 h6 16. Rac1 Rc8 17. Ne4 Na4 18. b4 b6 19. Ba6 Rc7 20. Qd2 f5 21. Rxc7 Qxc7 22. Rc1 Qb8 23. Nc3 Nxc3 24. Qxc3 Qg3 25. Qc7 f4 26. Bc4 Bxc4 27. Qxc4+ Kh7 28. e4 Rd8 29. e5 b5 30. Qd3 Kh8 31. d5 g5 32. Qf5 Rf8 33. Rc8 Rxc8 34. Qxc8+ Kh7 35. Kf1 h5 36. Qf5+ Kh6 37. Qe6+ Kh7 38. Qf7 Kh6 39. Qxe7 1-0

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.11.10"]
[Round "7"]
[White "Choroszej, Aleksander"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2078"]
[BlackElo "2093"]
[PlyCount "26"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nc6 8. 0-0 Nge7 9. Nb3 0-0 10. Nbxd4 Bg4 11. Be2 Nxd4 12. Nxd4 Bxe2 13. Nxe2 Qxd1 1/2-1/2

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.11.07"]
[Round "6"]
[White "Kaczorowski, Piotr"]
[Black "Cajbel, Maciej"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2093"]
[BlackElo "2224"]
[PlyCount "52"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. a3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nc3 0-0 6. Nf3 d5 7. cxd5 Nxd5 8. 0-0 Nc6 9. Nxd5 Qxd5 10. d3 Qd6 11. Nd2 e5 12. Ne4 Qe7 13. Bg5 f6 14. Be3 Nd4 15. Rc1 Bg4 16. f3 Be6 17. Nxc5 Bd5 18. Ne4 Rfc8 19. Rxc8+ Rxc8 20. Nc3 Bb3 21. Qd2 b5 22. f4 a5 23. fxe5 fxe5 24. Rc1 Qc5 25. Kh1 Qf8 26. Rf1 Qe7 1/2-1/2

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.10.28"]
[Round "5"]
[White "Szymczak, Rafal"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2047"]
[BlackElo "2093"]
[PlyCount "152"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. d3 0-0 6. 0-0 c6 7. c3 Qb6+ 8. Kh1 Ng4 9. Qb3 Nd7 10. Qxb6 axb6 11. h3 Nh6 12. Be3 b5 13. Nbd2 Re8 14. Bf2 e5 15. e4 exf4 16. gxf4 dxe4 17. dxe4 Nf6 18. Nd4 Nh5 19. Bh4 f5 20. e5 Nf7 21. a3 Bh6 22. Ne2 Nxe5 23. fxe5 Bxd2 24. Rad1 Bh6 25. Rd8 Rxd8 26. Bxd8 Be6 27. Bh4 Bc4 28. Re1 Re8 29. Nd4 Nf4 30. b3 Nxg2 31. Kxg2 Bd5+ 32. Kf2 Bd2 33. Rg1 Bxc3 34. Nxf5 Rxe5 35. Ne7+ Kf7 36. Rf1 Be6 37. Kg3+ Bf5 38. Nxf5 gxf5 39. Rd1 Rd5 40. Rxd5 cxd5 41. Kf4 Ke6 42. Bf2 Bd2+ 43. Kf3 Ke5 44. a4 bxa4 45. bxa4 d4 46. Ke2 Bc1 47. Kd3 f4 48. Bxd4+ Kf5 49. Bf2 h5 50. a5 Ke5 51. Ba7 Kd5 52. Bb6 Kc6 53. Ke4 Kb5 54. Bc7 Bd2 55. h4 Ka4 56. Kf3 Bxa5 57. Bxf4 b5 58. Ke4 b4 59. Kf5 b3 60. Be5 Kb4 61. Kg6 Kc4 62. Bb2 Kd3 63. Kxh5 Kc2 64. Ba3 Bb4 65. Bxb4 b2 66. Be7 b1Q 67. Bf6 Kd3 68. Kg5 Qb5+ 69. Kh6 Ke4 70. h5 Kf5 71. Bg7 Qe8 72. Ba1 Qf7 73. Bg7 Kg4 74. Ba1 Qe6+ 75. Kh7 Kxh5 76. Bg7 Qf7 0-1

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.10.20"]
[Round "4"]
[White "Kaczorowski, Piotr"]
[Black "Liberadzki, Slawomir"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2093"]
[BlackElo "2063"]
[PlyCount "35"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 h6 6. Bh4 Nbd7 7. Nc3 b6 8. Bd3 Bb7 9. 0-0 0-0 10. Rc1 c5 11. Qe2 Ne4 12. Bxe7 Qxe7 13. Rfd1 Rfd8 14. cxd5 exd5 15. Ba6 Ndf6 16. Bxb7 Qxb7 17. Ne5 Nxc3 18. Rxc3 1/2-1/2

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.10.13"]
[Round "3"]
[White "Delega, Tomasz"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2182"]
[BlackElo "2093"]
[PlyCount "81"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. Bd3 Be7 5. Nbd2 0-0 6. 0-0 c5 7. b3 Nc6 8. Bb2 b6 9. Ne5 Bb7 10. Ndf3 Ne4 11. Nxc6 Bxc6 12. Ne5 Be8 13. a4 f6 14. Nf3 Bh5 15. Be2 Rc8 16. c4 Qd7 17. a5 dxc4 18. bxc4 Rfd8 19. axb6 axb6 20. Qc2 Bxf3 21. Bxf3 Ng5 22. Be2 cxd4 23. exd4 Qc7 24. h4 Nf7 25. Bd3 f5 26. Qe2 Qd7 27. Ra6 e5 28. Rxb6 e4 29. Bb1 Qa4 30. Rb7 Bf6 31. Rxf7 Kxf7 32. Qh5+ Kg8 33. Qxf5 Qd7 34. Qxe4 g6 35. h5 Bxd4 36. Bxd4 Qxd4 37. Qe6+ Kh8 38. hxg6 h6 39. Bf5 Ra8 40. g4 Rd6 41. Qe7 1-0

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.10.06"]
[Round "2"]
[White "Kaczorowski, Piotr"]
[Black "Kielar, Maciej"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2093"]
[BlackElo "2098"]
[PlyCount "118"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. 0-0 Nc6 5. c4 e5 6. Nc3 f5 7. a3 a5 8. Rb1 Nf6 9. d3 h6 10. Nh4 Ne7 11. b4 axb4 12. axb4 cxb4 13. Rxb4 g5 14. Nf3 Nc6 15. Ra4 Ra6 16. Ba3 Kf7 17. Nb5 Kg6 18. Rxa6 bxa6 19. Nd6 Bf8 20. e4 f4 21. Bh3 Qc7 22. Bf5+ Kg7 23. c5 Bxd6 24. cxd6 Qa5 25. Bb2 fxg3 26. hxg3 Bb7 27. d4 exd4 28. Nxd4 Ne5 29. Nf3 Nxf3+ 30. Qxf3 Rf8 31. Ra1 Qb4 32. Bc3 Qc4 33. Rc1 Kg8 34. Bb2 Bxe4 35. Qe3 Qd5 36. Bxe4 Nxe4 37. f4 gxf4 38. gxf4 Qf5 39. Be5 Kh7 40. Rc2 Rb8 41. Rb2 Qg4+ 42. Kh2 Qh4+ 43. Kg1 Qg4+ 44. Kh2 Qh5+ 45. Kg1 Rg8+ 46. Rg2 Qd1+ 47. Kh2 Rxg2+ 48. Kxg2 Qd2+ 49. Kf3 Qxe3+ 50. Kxe3 Nc5 51. f5 Nb7 52. Kd4 Kg8 53. Kd5 Kf7 54. Bf4 h5 55. Bg5 Na5 56. Kc5 Nc6 57. Kb6 a5 58. Kb5 Nd4+ 59. Kxa5 Nxf5 0-1

[Event "Warsaw YMCA Autumn-A 96th"]
[Site "Warsaw"]
[Date "2011.09.29"]
[Round "1"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2093"]
[BlackElo "2093"]
[PlyCount "78"]
[EventDate "2011.09.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. 0-0 cxd4 8. Nxd4 Nxe4 9. Bxe4 Nf6 10. Bd3 Be7 11. c3 0-0 12. Bf4 Bd7 13. Qf3 Qb6 14. a4 a5 15. Be5 Rfd8 16. Rfd1 Rac8 17. Qh3 h6 18. b3 Nd5 19. Bc4 Be8 20. Nf5 Bf8 21. Nxh6+ gxh6 22. Rxd5 exd5 23. Bd3 Bg7 24. Qg4 f6 25. Bd4 Qd6 26. Re1 Bf7 27. Bf5 Re8 28. Rd1 Rc7 29. Be3 h5 30. Qf3 Rxc3 31. Bd3 Qe5 32. h3 Rxb3 33. Bf4 Qc3 34. Qg3 Re1+ 35. Rxe1 Qxe1+ 36. Kh2 Rxd3 37. Qxd3 Qxf2 38. Be3 Qb2 39. Qf5 Qe5+ 0-1

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.06.22"]
[Round "13"]
[White "Jaworski, Andrzej"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2040"]
[BlackElo "2117"]
[PlyCount "46"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 h6 8. Be3 b5 9. Bd3 Bb7 10. a3 Nbd7 11. 0-0 Rc8 12. Rc1 Rxc3 13. bxc3 Nxe4 14. c4 bxc4 15. Bxc4 d5 16. Bd3 Bxa3 17. Rb1 Nc3 18. Qg4 Nxb1 19. Rxb1 Bc8 20. Qxg7 Qf6 21. Qxf6 Nxf6 22. Bxa6 0-0 23. Bd3 Kg7 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.06.10"]
[Round "11"]
[White "Kielar, Maciej"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2101"]
[BlackElo "2117"]
[PlyCount "73"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 e6 6. Qd2 Nd7 7. 0-0-0 Nb6 8. g4 dxe4 9. Nxe4 e5 10. Qb4 Nd5 11. Nd6+ Kf8 12. Qa3 Qe7 13. Bd2 exd4 14. Re1 Be6 15. Bc4 Bh6 16. Bxh6+ Nxh6 17. Bxd5 cxd5 18. Ne2 Rd8 19. Nxb7 Qxa3 20. bxa3 Rb8 21. Na5 d3 22. cxd3 Kg7 23. Nb3 Rhc8+ 24. Kd2 Ng8 25. Rc1 g5 26. Rxc8 Rxc8 27. Nbd4 Ne7 28. Rb1 Rc7 29. a4 Bd7 30. Nc3 h5 31. Re1 Bc8 32. Ncb5 Rd7 33. Nb3 Nc6 34. Re8 Rd8 35. Rxd8 Nxd8 36. Nxa7 Bd7 37. Nc5 1-0

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.06.03"]
[Round "10"]
[White "Kaczorowski, Piotr"]
[Black "Grochulski, Grzegorz"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2117"]
[BlackElo "2069"]
[PlyCount "30"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 Nc6 7. Be3 d6 8. Be2 0-0 9. 0-0 Bd7 10. Rc1 a6 11. f3 Nxd4 12. Bxd4 Qa5 13. b4 Qxb4 14. Rb1 Qa5 15. Rxb7 e5 0-1

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.05.27"]
[Round "9"]
[White "Krasiewicz, Robert"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2057"]
[BlackElo "2117"]
[PlyCount "140"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. g3 g6 3. Bg2 Bg7 4. c4 dxc4 5. Nf3 Nf6 6. Nbd2 0-0 7. Nxc4 c5 8. 0-0 cxd4 9. Nxd4 Nbd7 10. Bd2 Nb6 11. Ba5 Nfd7 12. Rc1 Ne5 13. Nxe5 Bxe5 14. Nb5 Qxd1 15. Rfxd1 Bxb2 16. Rc7 Be6 17. Rxb7 Rad8 18. Rb1 Bf6 19. Nxa7 Bxa2 20. R1xb6 Rd1+ 21. Bf1 Bd4 22. Nc6 Bxb6 23. Nxe7+ Kg7 24. Bxb6 Bc4 25. Kg2 Ra8 26. Ba7 Kf6 27. f3 Ke6 28. Rc7 Bb5 29. Nc8 Rd7 30. Rc5 Rxc8 31. Rxc8 Rxa7 32. Rc2 h5 33. h4 Kf6 34. Kf2 Bd7 35. e3 Be6 36. Bd3 Ra2 37. Ke2 Rxc2+ 38. Bxc2 Bd5 39. e4 Bb7 40. Ke3 Ba6 41. Kf4 Be2 42. e5+ Kg7 43. Bb3 Bd3 44. Ke3 Bf5 45. Kd4 Kf8 46. Ke3 Kg7 47. Kf4 Bd7 48. Bd5 Bh3 49. Kg5 Bf5 50. Be4 Be6 51. g4 hxg4 52. fxg4 Bc4 53. h5 gxh5 54. gxh5 Bb3 55. h6+ Kh8 56. Kf6 Bc4 57. Bf5 Kg8 58. Bg4 Kh7 59. Bh5 Kxh6 60. Bxf7 Bb5 61. e6 Ba4 62. Bg6 Bb3 63. e7 Ba4 64. Kf7 Kg5 65. Bh7 Bb5 66. Bg8 Kf5 67. Kf8 Kf6 68. Bf7 Bc6 69. Be8 Bf3 70. Bd7 Bh5 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.05.20"]
[Round "8"]
[White "Kaczorowski, Piotr"]
[Black "Liberadzki, Slawomir"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2117"]
[BlackElo "2013"]
[PlyCount "56"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 cxd4 7. exd4 Be7 8. Bd3 0-0 9. 0-0 b6 10. Be3 dxc4 11. Bxc4 Bb7 12. Qe2 Rc8 13. Rac1 Nd5 14. Nxd5 exd5 15. Bd3 Bf6 16. b4 Re8 17. Qd2 Ne7 18. Bg5 Ng6 19. h4 Nxh4 20. Bxh4 Bxh4 21. Qf4 Bf6 22. Rxc8 Bxc8 23. Rc1 Re7 24. Qb8 Re8 25. Qxa7 Bg4 26. Qc7 Bxf3 27. Qxd8 Rxd8 28. gxf3 Bxd4 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.05.06"]
[Round "6"]
[White "Kaczorowski, Piotr"]
[Black "Zurkowski, Andrzej"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2117"]
[BlackElo "2135"]
[PlyCount "120"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. 0-0 d6 5. c4 Nf6 6. Nc3 0-0 7. d4 exd4 8. Nxd4 Nbd7 9. h3 Re8 10. Re1 Nc5 11. e4 a5 12. f3 c6 13. Be3 Ne6 14. f4 Nxd4 15. Bxd4 Be6 16. Qd3 Nh5 17. Bf2 Qd7 18. Kh2 f5 19. Rad1 Qf7 20. b3 g5 21. fxg5 Be5 22. Rf1 f4 23. Ne2 Rf8 24. gxf4 Bxf4+ 25. Nxf4 Nxf4 26. Qg3 Nxg2 27. Kxg2 Qg6 28. Rxd6 Qxe4+ 29. Kh2 Qe2 30. g6 h6 31. Qg2 Rf5 32. g7 a4 33. Re1 Qxf2 34. Rdxe6 Qxg2+ 35. Kxg2 axb3 36. axb3 Rg5+ 37. Kf3 Rxg7 38. R1e3 Kh7 39. Ke4 Rd8 40. Rf3 c5 41. Re5 Rd4+ 42. Ke3 Rgd7 43. Rxc5 Rd3+ 44. Kf2 Rxf3+ 45. Kxf3 Rd3+ 46. Kg4 Rxb3 47. h4 Rb1 48. Kh3 Rb6 49. Rc7+ Kg8 50. Kg4 Rb1 51. Kf5 Rc1 52. Kg6 Kf8 53. c5 Ke8 54. Kxh6 Kd8 55. Rxb7 Rxc5 56. Rf7 Ke8 57. Rf6 Ke7 58. Rf4 Rc1 59. h5 Rg1 60. Kh7 Ke8 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.04.29"]
[Round "5"]
[White "Szymczak, Rafal"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2089"]
[BlackElo "2117"]
[PlyCount "113"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. d3 d4 5. c3 c5 6. e4 dxe3 7. Bxe3 Nd7 8. d4 cxd4 9. Bxd4 Ngf6 10. Bg2 0-0 11. 0-0 Re8 12. Nbd2 Nf8 13. Ne5 N6d7 14. Ndf3 Nb6 15. Qb3 Be6 16. Bxb6 axb6 17. Qb4 Qc7 18. Nd4 Red8 19. a3 Bd5 20. Nef3 Ne6 21. Nxe6 Bxe6 22. Rfe1 Bf6 23. Rad1 Qc5+ 24. Qxc5 bxc5 25. Ne5 Rd6 26. Rxd6 exd6 27. Nd3 Rb8 28. Nf2 h6 29. Rd1 Be7 30. Bd5 b5 31. b4 Bxd5 32. Rxd5 Ra8 33. Ne4 Rxa3 34. bxc5 dxc5 35. Rd7 Kf8 36. Rb7 b4 37. cxb4 cxb4 38. Nd2 Ra2 39. Nc4 Rc2 40. Ne5 Rc3 41. Kf1 b3 42. Ke1 g5 43. Kd2 Rc2+ 44. Kd3 Rxh2 45. Rxb3 Rh3 46. Ke4 gxf4 47. Rb8+ Kg7 48. gxf4 Bd6 49. Rb7 Bxe5 50. fxe5 Kg6 51. Rb6+ Kg7 52. e6 fxe6 53. Rxe6 Rg3 54. Kf4 Rg1 55. Kf3 h5 56. Re2 Kh6 57. Rg2 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.04.22"]
[Round "4"]
[White "Kaczorowski, Piotr"]
[Black "Sielicki, Tomasz"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2117"]
[BlackElo "2026"]
[PlyCount "79"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 Qb6 7. c3 Nc6 8. Nb3 Nf6 9. Na3 a5 10. Be3 Qa6 11. h3 0-0 12. Qd3 Bf5 13. Qxa6 Rxa6 14. Nd2 a4 15. g4 Be6 16. Ne4 Nd5 17. Bd2 h6 18. f4 f5 19. Ng3 Nf6 20. gxf5 gxf5 21. Nb5 Rb6 22. Nc7 Bd7 23. Rab1 Na5 24. Be3 Rc6 25. Nd5 Nxd5 26. Bxd5+ Kh7 27. Bxc6 Bxc6 28. Bd4 e5 29. fxe5 dxe5 30. Bc5 Rf7 31. Rxf5 Rxf5 32. Nxf5 Bf6 33. Rf1 Nc4 34. Nxh6 Bg5 35. Ng4 e4 36. Bd4 Nxb2 37. Rf7+ Kg6 38. Ne5+ Kh5 39. Rh7+ Bh6 40. Be3 1-0

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.04.20"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Choroszej, Aleksander"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2117"]
[BlackElo "2067"]
[PlyCount "83"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 Nf6 5. Bg2 0-0 6. 0-0 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 e5 10. Be3 exd4 11. Nxd4 Nxd4 12. Bxd4 Be6 13. Qd3 Qd7 14. Kh2 b5 15. cxb5 axb5 16. Nd5 Bxd5 17. exd5 b4 18. Rfc1 Rfe8 19. a4 bxa3 20. bxa3 Qa4 21. Rc4 Qb3 22. Qxb3 Rxb3 23. Ra2 Ra8 24. a4 Ra5 25. Be3 Nxd5 26. Bxd5 Rxd5 27. Rxc7 Rb8 28. a5 Ra8 29. a6 Re5 30. Bf4 Re6 31. a7 Bd4 32. Bh6 Ree8 33. Rb7 Bc5 34. Kg2 Bd4 35. Kf3 Bc5 36. Ra4 Rec8 37. g4 Re8 38. h4 f6 39. Be3 Bxe3 40. fxe3 Rf8 41. Rab4 f5 42. g5 1-0

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.04.08"]
[Round "2"]
[White "Gluszko, Monika"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "1990"]
[BlackElo "2117"]
[PlyCount "105"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 h6 7. Bxf6 Nxf6 8. Bd3 Nxe4 9. Bxe4 c5 10. Qe2 Qa5+ 11. c3 cxd4 12. Nxd4 Be7 13. a4 0-0 14. b4 Qc7 15. Nb5 Qb8 16. 0-0 Rd8 17. a5 a6 18. Na3 Bd7 19. Qf3 Ra7 20. Rfd1 b5 21. axb6 Qxb6 22. Nc4 Qc7 23. Na5 Bf6 24. Rac1 Ba4 25. Rd3 Rxd3 26. Qxd3 Qf4 27. Qe3 Qb8 28. Qf3 Rc7 29. g3 Qb6 30. Bd3 Rd7 31. Qa8+ Rd8 32. Qxa6 Qxa6 33. Bxa6 Rd2 34. b5 Ra2 35. Nc6 Rb2 36. c4 h5 37. Nb8 Bd4 38. Rf1 Bb3 39. Nc6 Bb6 40. Ne5 Rc2 41. Kg2 Bxc4 42. Nxc4 Rxc4 43. f4 Rc2+ 44. Kf3 Rxh2 45. Bb7 Rb2 46. Bc6 f5 47. Be8 Kh7 48. Bd7 Kg6 49. Bxe6 Rxb5 50. Kg2 Kf6 51. Bd7 Rd5 52. Be8 Rd8 53. Bxh5 1/2-1/2

[Event "Warsaw YMCA Spring-A 89th"]
[Site "Warsaw"]
[Date "2011.04.01"]
[Round "1"]
[White "Kaczorowski, Piotr"]
[Black "Jarmula, Pawel"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2117"]
[BlackElo "2031"]
[PlyCount "94"]
[EventDate "2011.03.29"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 Bd6 7. 0-0 0-0 8. Nc3 b5 9. Bd3 Nbd7 10. e4 e5 11. Bg5 h6 12. Bxf6 Qxf6 13. d5 b4 14. Na4 cxd5 15. exd5 Bb7 16. Bb5 Rad8 17. Qd3 Nc5 18. Nxc5 Bxc5 19. Bc4 Qd6 20. Rad1 f5 21. Qe2 Rfe8 22. Qc2 g6 23. h4 Kg7 24. h5 e4 25. Nh4 Qf6 26. Nxg6 e3 27. Nf4 exf2+ 28. Kh1 Qh4+ 29. Nh3 Bc8 30. Bb5 Re3 31. Rd3 Rxd3 32. Qxd3 a6 33. Bxa6 Bxa6 34. Qxa6 Qg3 35. Qg6+ Qxg6 36. hxg6 Rxd5 37. Nxf2 Kxg6 38. Rd1 Rxd1+ 39. Nxd1 f4 40. Kh2 Kf5 41. Kh3 Ke4 42. Kg4 Be3 43. Nc3+ bxc3 44. bxc3 Bf2 45. a4 Bb6 46. c4 Bc7 47. c5 Kd5 0-1

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.03.30"]
[Round "13"]
[White "Kaczorowski, Piotr"]
[Black "Kielar, Maciej"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2117"]
[BlackElo "2101"]
[PlyCount "98"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. c4 0-0 8. 0-0 d6 9. Nc3 Be6 10. Nd5 Rc8 11. Bg5 Bxd5 12. cxd5 Ne5 13. Rc1 Qd7 14. Qd4 h6 15. Bd2 Qb5 16. Rxc8 Rxc8 17. Rc1 Rxc1+ 18. Nxc1 Nc4 19. b3 Nxd2 20. Qxd2 Qc5 21. e3 Nd7 22. Nd3 Qc7 23. h4 a5 24. Bf3 b5 25. Kg2 b4 26. Bg4 Nf6 27. Bf3 Ne8 28. h5 g5 29. Qe2 Qc3 30. g4 Nc7 31. Be4 Nb5 32. Qf3 Qf6 33. Bf5 Nc3 34. Nb2 Nxa2 35. Nc4 a4 36. bxa4 Qc3 37. Qe4 b3 38. a5 Nb4 39. Nb2 Na6 40. Na4 Qxa5 41. Qc4 b2 42. Qc8+ Bf8 43. Nxb2 Qxd5+ 44. e4 Qb5 45. Nc4 Nc5 46. Ne3 e6 47. Bh7+ Kg7 48. Nf5+ exf5 49. gxf5 Nxe4 0-1

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.03.24"]
[Round "12"]
[White "Krasiewicz, Robert"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2057"]
[BlackElo "2117"]
[PlyCount "86"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bf4 Nxc3 6. bxc3 Bg7 7. e3 0-0 8. Nf3 c5 9. Qb3 cxd4 10. exd4 dxc4 11. Bxc4 Nc6 12. Qb5 a6 13. Qc5 Qa5 14. Qxa5 Nxa5 15. Bd3 Be6 16. 0-0 Rac8 17. Rfc1 Rfd8 18. Ng5 Bc4 19. Bxc4 Nxc4 20. Rab1 b5 21. Ne4 Rd5 22. Re1 e5 23. dxe5 Nxe5 24. Red1 Nd3 25. Bg5 Rc6 26. a4 f5 27. axb5 axb5 28. c4 Rxc4 29. Nf6+ Bxf6 30. Bxf6 Kf7 31. Ba1 b4 32. g3 Ke6 33. Rb3 Nc5 34. Re3+ Re4 35. Rde1 Rd3 36. Rxe4+ fxe4 37. Kg2 Kd5 38. Re2 Nb3 39. Bf6 Nd4 40. Ra2 b3 41. Ra5+ Kc4 42. Ra7 b2 43. Rb7 Rb3 0-1

[Event "POL-chT3 Mazowiecki"]
[Site "Warsaw"]
[Date "2011.03.20"]
[Round "9.31"]
[White "Kaczorowski, Piotr"]
[Black "Sujkowski, Pawel"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "2117"]
[BlackElo "1978"]
[PlyCount "158"]
[EventDate "2011.01.09"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa KU AZS UW w III"]
[BlackTeam "Warszawa Entropia II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. a3 c5 11. Qe2 Be7 12. Rd1 Qb6 13. dxc5 Nxc5 14. Bc2 0-0 15. b4 Nce4 16. Bb2 Rfd8 17. Nxe4 Nxe4 18. Bd4 Qc6 19. Ne5 Qe8 20. Qf3 f5 21. g4 Nd6 22. Qh3 Bf6 23. f4 Be4 24. Bxe4 Nxe4 25. gxf5 exf5 26. Qxf5 Nd6 27. Qg4 Nc4 28. Qg3 Bxe5 29. fxe5 Qe6 30. Rf1 Kh8 31. Rf4 Rac8 32. Raf1 Nxa3 33. Rf7 Rg8 34. Bc5 Rce8 35. Bf8 Qxe5 36. Qxe5 Rxe5 37. Ra7 Nc4 38. Rff7 Rg5+ 39. Kf2 Rg6 40. e4 Ne5 41. Rf5 Ng4+ 42. Kf3 Nxh2+ 43. Kf4 Ng4 44. e5 Nh6 45. Rff7 Nxf7 46. Rxf7 Re6 47. Kf5 Re8 48. Bd6 Rd8 49. Be7 Rb8 50. e6 a5 51. bxa5 b4 52. a6 b3 53. Ba3 Ra8 54. a7 Rgc8 55. Bb2 Rg8 56. e7 Rac8 57. Ke6 h5 58. Kd7 Ra8 59. Kc6 Rxa7 60. Bxg7+ Kh7 61. Bd4+ Kg6 62. Rg7+ Rxg7 63. e8Q+ Raf7 64. Kd6 Kh7 65. Bxg7 Kxg7 66. Qe5+ Kg6 67. Qg3+ Kf5 68. Qf3+ Kg6 69. Qd3+ Kg5 70. Qg3+ Kf5 71. Qf3+ Kg6 72. Qe4+ Kg5 73. Qg2+ Kf5 74. Qh3+ Kg5 75. Ke6 Rf6+ 76. Ke5 Rf7 77. Qg3+ Kh6 78. Ke6 Rf8 79. Qe3+ Kg7 1-0

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.03.17"]
[Round "11"]
[White "Kaczorowski, Piotr"]
[Black "Alvarado, Carlos"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "2117"]
[BlackElo "2190"]
[PlyCount "75"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nc3 Ne4 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 c5 11. 0-0 Nc6 12. Qe2 b6 13. e4 dxc4 14. Bxc4 Na5 15. Bd3 Bb7 16. Rac1 Rfd8 17. Rfd1 Rac8 18. Ba6 Rc7 19. Bxb7 Nxb7 20. Qe3 c4 21. e5 Qa3 22. Nd2 b5 23. Rb1 Rd5 24. Ne4 Rcd7 25. Rf1 a5 26. f4 b4 27. f5 exf5 28. Nf6+ Kf8 29. Nxd5 Rxd5 30. Qf3 Rd7 31. Qxf5 Rc7 32. d5 Nd8 33. d6 Ra7 34. Qh7 Ke8 35. Qg8+ Kd7 36. Rxf7+ Kc6 37. Qe8+ Kd5 38. Qb5+ 1-0

[Event "POL-chT3 Mazowiecki"]
[Site "Warsaw"]
[Date "2011.03.06"]
[Round "7.35"]
[White "Kaczorowski, Piotr"]
[Black "Rymarowicz, Pawel"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2117"]
[BlackElo "1732"]
[PlyCount "55"]
[EventDate "2011.01.09"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa KU AZS UW w III"]
[BlackTeam "Otwock UKS MDK II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. 0-0 Bd6 5. c4 c6 6. d4 0-0 7. Nc3 Nbd7 8. Qc2 dxc4 9. e4 e5 10. Rd1 exd4 11. Nxd4 Qc7 12. Ndb5 cxb5 13. Nxb5 Qc5 14. Nxd6 Ne5 15. Be3 Qc7 16. h3 Be6 17. f4 Nc6 18. e5 Ne8 19. f5 Bd7 20. Bf4 Nxe5 21. Qc3 Nxd6 22. Qxe5 Qb6+ 23. Be3 Rfe8 24. Qxe8+ Nxe8 25. Bxb6 Bxf5 26. Bxb7 Rb8 27. Rd8 Rxb7 28. Rxe8# 1-0

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.03.03"]
[Round "9"]
[White "Kaczorowski, Piotr"]
[Black "Zurkowski, Andrzej"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2117"]
[BlackElo "2138"]
[PlyCount "52"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 d5 4. Bg2 Nf6 5. 0-0 0-0 6. c4 c6 7. Qb3 Qb6 8. c5 Qd8 9. Nc3 Nfd7 10. Bf4 b6 11. e4 bxc5 12. exd5 cxd4 13. dxc6 Nxc6 14. Nb5 Ba6 15. Bc7 Qc8 16. Rac1 Bxb5 17. Qxb5 Qxc7 18. Rxc6 Qd8 19. Rfc1 Rb8 20. Qa4 Rxb2 21. Qxa7 Nb6 22. a4 d3 23. a5 Nd5 24. a6 d2 25. Rd1 Nb4 26. Rc4 Qd3 0-1

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.02.24"]
[Round "8"]
[White "Kasperkiewicz, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2128"]
[BlackElo "2117"]
[PlyCount "73"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qd5 5. Qd3 Nc6 6. Nf3 Nf6 7. Nxf6+ gxf6 8. c4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Qe4+ 11. Be2 Bd7 12. 0-0 Rg8 13. Rfe1 0-0-0 14. Qc3 e5 15. d5 Nd4 16. Bd1 Qg6 17. g3 Nxf3+ 18. Bxf3 h5 19. c5 Bg4 20. c6 Bxf3 21. Qxf3 Qg4 22. Qxf6 Rxd5 23. cxb7+ Kb8 24. Rxe5 Rxe5 25. Qxe5 Rd8 26. Rc1 Rd7 27. Kg2 h4 28. Qh8+ Kxb7 29. Qxh4 Qe6 30. Qc4 Qd6 31. Qe4+ c6 32. Rc3 Re7 33. Rb3+ Kc8 34. Qf5+ Rd7 35. h4 Kd8 36. Rf3 Kc8 37. h5 1-0

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.02.09"]
[Round "6"]
[White "Jozwik, Jacek"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2050"]
[BlackElo "2117"]
[PlyCount "48"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bh4 c5 5. e3 Bg7 6. Bd3 d5 7. c3 0-0 8. 0-0 Nc6 9. Nbd2 f5 10. c4 Nxd2 11. Nxd2 cxd4 12. cxd5 dxe3 13. Bc4 Na5 14. d6+ Nxc4 15. dxe7 Qxd2 16. exf8Q+ Kxf8 17. Qb3 e2 18. Rfe1 Ne5 19. Qa3+ Kg8 20. Qe7 Bd7 21. Bg5 Qd3 22. f4 Re8 23. Qb4 Qe3+ 24. Kh1 Nd3 0-1

[Event "POL-chT3 Mazowiecki"]
[Site "Warsaw"]
[Date "2011.02.06"]
[Round "6.5"]
[White "Maciejewski, Andrzej"]
[Black "Kaczorowski, Piotr"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1721"]
[BlackElo "2117"]
[PlyCount "53"]
[EventDate "2011.01.09"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Polonia"]
[BlackTeam "Warszawa KU AZS UW w II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nc3 Nc6 3. g3 h5 4. d3 h4 5. Be3 e6 6. Nf3 hxg3 7. fxg3 a6 8. Qd2 b5 9. Bg2 Bb7 10. Rf1 Be7 11. Qf2 b4 12. Na4 Nf6 13. Nxc5 Bxc5 14. Bxc5 d6 15. Bb6 Qd7 16. h3 a5 17. 0-0-0 a4 18. Nd2 0-0 19. Nc4 Rac8 20. e5 dxe5 21. Bc5 b3 22. axb3 axb3 23. c3 Rfd8 24. Nb6 Qc7 25. Nxc8 Rxc8 26. g4 Qa5 27. Ba3 1-0

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.02.03"]
[Round "5"]
[White "Kaczorowski, Piotr"]
[Black "Choroszej, Aleksander"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2117"]
[BlackElo "2074"]
[PlyCount "66"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Bd3 0-0 6. 0-0 c5 7. c3 d5 8. e5 Ne4 9. Re1 Nc6 10. Bxe4 dxe4 11. Rxe4 Qd5 12. Re1 Rd8 13. Bg5 cxd4 14. cxd4 Nxe5 15. Nxe5 Bxe5 16. Nc3 Bh2+ 17. Kxh2 Qxg5 18. Qc1 Qf6 19. d5 Qxf2 20. Rxe7 Qc5 21. Qg5 Qd6+ 22. Kh1 h6 23. Qe3 Be6 24. Rxb7 Bxd5 25. Nxd5 Qxd5 26. Rxa7 Rxa7 27. Qxa7 Ra8 28. Qb6 Rxa2 29. Rxa2 Qxa2 30. b4 Qa1+ 31. Kh2 Qe5+ 32. Kh1 Qe1+ 33. Kh2 Qe5+ 1/2-1/2

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.01.27"]
[Round "4"]
[White "Szymczak, Rafal"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2089"]
[BlackElo "2117"]
[PlyCount "64"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 f5 2. g3 Nf6 3. Bg2 g6 4. d3 Bg7 5. e4 fxe4 6. dxe4 0-0 7. Nf3 c6 8. e5 Ng4 9. h3 Nh6 10. 0-0 d6 11. exd6 exd6 12. c3 Na6 13. Be3 Nf5 14. Bf2 Nc7 15. g4 Ne7 16. Bg3 Ncd5 17. Qb3 Kh8 18. Ng5 h6 19. Ne4 Ne3 20. Rf2 d5 21. Ned2 h5 22. gxh5 N7f5 23. Bh2 gxh5 24. Nf3 Nh4 25. Nxh4 Qxh4 26. Nd2 Bxh3 27. Bxh3 Qxh3 28. Qxb7 Rab8 29. Qxa7 Rxb2 30. Re1 Rg8 31. Rxe3 Bd4+ 32. Kh1 Bxe3 0-1

[Event "POL-chT3 Mazowiecki"]
[Site "Warsaw"]
[Date "2011.01.23"]
[Round "3.35"]
[White "Kaczorowski, Piotr"]
[Black "Rymarowicz, Pawel"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2117"]
[BlackElo "1732"]
[PlyCount "65"]
[EventDate "2011.01.09"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa KU AZS UW w III"]
[BlackTeam "Otwock UKS MDK II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 e6 2. c4 d5 3. Nf3 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 cxd4 7. exd4 Be7 8. Bd3 Qb6 9. c5 Qc7 10. 0-0 a6 11. Re1 b6 12. b4 Na7 13. Ne5 bxc5 14. bxc5 Nc6 15. Bf4 Nxd4 16. Qa4+ Nd7 17. Nxd5 Qxc5 18. Nxe7 Kxe7 19. Qxd4 Qxd4 20. Nc6+ Kf6 21. Nxd4 e5 22. Be3 exd4 23. Bxd4+ Kg5 24. Bxg7 Rg8 25. Bd4 f5 26. Re6 Rg6 27. Be3+ Kh5 28. Be2+ Kh4 29. g3+ Kh3 30. Bf1+ Kg4 31. h3+ Kf3 32. Re1 Rxe6 33. Bg2# 1-0

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.01.13"]
[Round "2"]
[White "Michniewski, Tomasz"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2166"]
[BlackElo "2117"]
[PlyCount "64"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg6 11. Bg5 Bxc3 12. bxc3 Bxe4 13. Ne5 Bg6 14. a5 Qc7 15. Nxd7 Nxd7 16. Rfd1 Rfe8 17. h4 h6 18. h5 Bh7 19. Bh4 Qf4 20. Bg3 Qg5 21. Qf3 Nf6 22. Be2 Be4 23. Qf4 Qxf4 24. Bxf4 b5 25. a6 Nd5 26. Bd2 Nb6 27. Re1 Bd5 28. Bf4 Re7 29. Bd6 Rd7 30. Bc5 Rb8 31. Reb1 Nc4 32. Re1 Rc8 1/2-1/2

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.01.12"]
[Round "3"]
[White "Kaczorowski, Piotr"]
[Black "Olejarczyk, Bogdan"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2117"]
[BlackElo "2104"]
[PlyCount "76"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Nh5 7. Bg3 g6 8. e3 Bg7 9. Qb3 Nxg3 10. hxg3 e6 11. Rc1 0-0 12. Bd3 e5 13. dxe5 d4 14. exd4 Nxd4 15. Qd5 Nxf3+ 16. Qxf3 Bg4 17. Qxg4 Qxd3 18. Qe2 Qxe2+ 19. Kxe2 Bxe5 20. Rhd1 Rfd8 21. Nd5 h5 22. b3 Kf8 23. Ne3 Rxd1 24. Rxd1 Ke7 25. g4 hxg4 26. Nxg4 Bd6 27. Ne3 Rc8 28. g4 Ke6 29. Rd2 Bf4 30. Rc2 Rxc2+ 31. Nxc2 Kd5 32. Kd3 a6 33. f3 Bc7 34. a4 Bf4 35. Nb4+ Kc5 36. Nc2 Kd5 37. Nb4+ Kc5 38. Nc2 Kd5 1/2-1/2

[Event "POL-chT3 Mazowiecki"]
[Site "Warsaw"]
[Date "2011.01.09"]
[Round "1.29"]
[White "Sujkowski, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1978"]
[BlackElo "2117"]
[PlyCount "70"]
[EventDate "2011.01.09"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Entropia II"]
[BlackTeam "Warszawa KU AZS UW w III"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. d4 cxd4 3. Nf3 g6 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. Re1 Nxd4 12. Bxd4 Bc6 13. Nd5 Rae8 14. Bc3 Qd8 15. Nxf6+ Bxf6 16. Bxf6 exf6 17. Bd5 Qc7 18. c3 Re5 19. Qd4 Rfe8 20. Qd2 Bxd5 21. exd5 Qc4 22. b3 Rxe1+ 23. Rxe1 Rxe1+ 24. Qxe1 Qxd5 25. Qe3 a6 26. c4 Qe5 27. Qb6 Qe1+ 28. Kh2 Qe5+ 29. Kg1 Qe1+ 30. Kh2 Qe7 31. g3 Kg7 32. Kg2 Qe4+ 33. Kh2 Qf3 34. Kg1 Qc6 35. Qd4 a5 1/2-1/2

[Event "Warsaw YMCA Winter-A 86th"]
[Site "Warsaw"]
[Date "2011.01.06"]
[Round "1"]
[White "Nowicki, Bartosz"]
[Black "Kaczorowski, Piotr"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2119"]
[BlackElo "2117"]
[PlyCount "91"]
[EventDate "2011.01.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Qe2 c5 7. Nf3 Nxe4 8. Qxe4 a6 9. Bg5 Be7 10. Bxe7 Qxe7 11. 0-0-0 Nf6 12. Qh4 cxd4 13. Rhe1 Bd7 14. Qxd4 0-0 15. Qh4 h6 16. g4 Qb4 17. Ne5 Bb5 18. h3 Qf4+ 19. Kb1 Rfd8 20. Bxb5 Rxd1+ 21. Rxd1 Qxe5 22. Bd3 Qf4 23. Rg1 Rd8 24. a3 e5 25. Re1 Rd4 26. f3 h5 27. Qf2 hxg4 28. hxg4 Nxg4 29. Qe2 Nf6 30. Qxe5 Qxe5 31. Rxe5 Kf8 32. b4 Rf4 33. Rf5 Rxf5 34. Bxf5 Ne8 35. c4 b6 36. Kc2 Ke7 37. Kc3 Kd6 38. Kd4 a5 39. bxa5 bxa5 40. c5+ Kc7 41. Kc4 g6 42. Bd3 Ng7 43. Kb5 Ne6 44. Bc4 Nd4+ 45. Kxa5 Kc6 46. Bxf7 1/2-1/2

[Event "EU-ch rapid"]
[Site "Warsaw"]
[Date "2010.12.18"]
[Round "2"]
[White "Kaczorowski, Piotr"]
[Black "Olszewski, Michal"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "2117"]
[BlackElo "2532"]
[PlyCount "148"]
[EventDate "2010.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 c5 4. e3 d5 5. Nf3 a6 6. Nc3 Nc6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 cxd4 11. exd4 Be7 12. Be3 Na5 13. Qe2 0-0 14. Rfd1 Rc8 15. Ne5 Nd5 16. Ne4 Nxe3 17. fxe3 f5 18. Ng3 Bf6 19. Nf3 Qb6 20. Nh5 Be7 21. Qf2 g6 22. Nf4 Bf6 23. h4 Kh8 24. Rac1 Nc4 25. Bb1 Bxf3 26. gxf3 Rfd8 27. Kg2 e5 28. dxe5 Bxe5 29. Rxd8+ Rxd8 30. Nd3 Nxe3+ 31. Kh3 Bd4 32. Qg3 Nc4 33. h5 Kg7 34. b3 Be3 35. Re1 Rxd3 36. Bxd3 f4 37. Qg5 Qe6+ 38. Kg2 Ne5 39. Be4 Qd6 40. Re2 h6 41. Qh4 g5 42. Qh3 Qd1 43. Rxe3 Qd2+ 44. Kh1 fxe3 45. Qe6 Qc1+ 46. Kg2 Qb2+ 47. Kh3 g4+ 48. fxg4 Nf7 49. Qg6+ Kf8 50. Qf5 Ke7 51. Qc5+ Kf6 52. Qxe3 Qe5 53. Qf2+ Kg7 54. Bc2 Ng5+ 55. Kg2 Qd5+ 56. Kg3 Qd6+ 57. Qf4 Qxa3 58. Qe5+ Kf8 59. Qf6+ Nf7 60. Qf4 Qb2 61. Qe4 Qc3+ 62. Kf4 Qc5 63. b4 Qd6+ 64. Ke3 Qf6 65. Bd3 Qg5+ 66. Kd4 Qd2 67. Kc5 Qg5+ 68. Kb6 Qf6+ 69. Ka5 Qd6 70. Qf5 Ke7 71. Be4 Ne5 72. Qh7+ Kd8 73. Qg8+ Kc7 74. Qd5 Nc4+ 0-1

[Event "Mazowiec-chT 0910"]
[Site "Mazowsze"]
[Date "2009.12.13"]
[Round "2.21"]
[White "Kaczorowski, Piotr"]
[Black "Szukalski, Antoni"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2128"]
[BlackElo "1930"]
[PlyCount "58"]
[EventDate "2009.11.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 Be7 5. Nf3 Nbd7 6. Bg5 h6 7. Bf4 c6 8. e3 0-0 9. Bd3 dxc4 10. Bxc4 Nd5 11. Bg3 N7f6 12. 0-0 Bd6 13. Qe2 Nxc3 14. bxc3 Ne4 15. Qd3 Nxg3 16. hxg3 b6 17. Nh4 Be7 18. Qe4 Bxh4 19. gxh4 Qd6 20. g4 Kh8 21. g5 f5 22. gxf6 gxf6 23. Kh1 f5 24. Qf3 Bb7 25. Rg1 Qe7 26. Qh5 c5+ 27. Kh2 Rf6 28. Rg6 Rxg6 29. Qxg6 Qxh4+ 0-1

[Event "Mazowiec-chT"]
[Site "Mazowsze"]
[Date "2009.05.17"]
[Round "10"]
[White "Kowalik, Pawel"]
[Black "Kaczorowski, Piotr"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1857"]
[BlackElo "2128"]
[PlyCount "60"]
[EventDate "2009.01.11"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 c5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 g6 7. Bc4 Bg7 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Qc7 11. Qc2 Na5 12. Bb3 c4 13. Ba4 f5 14. e5 a6 15. Qc1 b5 16. Bc2 e6 17. Bh6 Nc6 18. Bxg7 Kxg7 19. f4 a5 20. Rd1 Ne7 21. a3 Nd5 22. Qd2 Bb7 23. Rf1 Kh8 24. Rf2 Rg8 25. Ng3 b4 26. axb4 axb4 27. Rxa8 Rxa8 28. cxb4 c3 29. Qc1 Nxb4 30. Bb3 Nd3 0-1

[Event "Mazowiec-chT"]
[Site "Mazowsze"]
[Date "2009.04.20"]
[Round "8"]
[White "Kaczorowski, Piotr"]
[Black "Maciaga, Marcin"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2128"]
[BlackElo "2199"]
[PlyCount "72"]
[EventDate "2009.01.11"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. 0-0 g6 5. c4 Bg7 6. d4 Ne7 7. d5 h6 8. e4 b5 9. Qb3 Qc8 10. Qxb5 c6 11. Qb3 cxd5 12. exd5 exd5 13. Bf4 dxc4 14. Qa3 Nbc6 15. Re1 0-0 16. Bd6 Re8 17. Nbd2 Nf5 18. Nxc4 Rxe1+ 19. Rxe1 Ncd4 20. Nxd4 Nxd4 21. Qd3 Bxg2 22. Kxg2 Qc6+ 23. f3 Rc8 24. b3 Qa6 25. Be5 Qxa2+ 26. Kh3 Qxb3 27. Qxb3 Nxb3 28. Nd6 Rc6 29. Bxg7 Kxg7 30. Rd1 Nc5 31. f4 a5 32. f5 a4 33. Nb5 Rb6 34. Na3 Rb3 35. Rd5 Nd3 36. Nc4 Nf4+ 0-1

[Event "Mazowiec-chT"]
[Site "Mazowsze"]
[Date "2009.04.05"]
[Round "7"]
[White "Kaczorowski, Piotr"]
[Black "Szukalski, Antoni"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2128"]
[BlackElo "1914"]
[PlyCount "39"]
[EventDate "2009.01.11"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. e3 Nbd7 5. Nf3 c6 6. Bd3 dxc4 7. Bxc4 g6 8. Nc3 Bg7 9. e4 0-0 10. 0-0 b6 11. Bg5 Qc7 12. Rc1 Qb7 13. e5 Nd5 14. Ne4 Nb8 15. Qd2 a5 16. Bxd5 exd5 17. Nf6+ Kh8 18. Qf4 Nd7 19. Qh4 Bxf6 20. exf6 1-0

[Event "Mazowiec-chT"]
[Site "Mazowsze"]
[Date "2009.01.25"]
[Round "2"]
[White "Kaczorowski, Piotr"]
[Black "Radek, Kasper"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "2128"]
[PlyCount "83"]
[EventDate "2009.01.11"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bh4 0-0 8. a3 b6 9. Bd3 dxc4 10. Bxc4 Bb7 11. 0-0 Nd5 12. Bg3 Nxc3 13. bxc3 Bd6 14. Qe2 Bxg3 15. hxg3 Ne7 16. e4 Ng6 17. Rfd1 Qe7 18. e5 Rfd8 19. Nd2 c5 20. Ne4 cxd4 21. cxd4 Rac8 22. Nd6 Rb8 23. f4 Kf8 24. f5 exf5 25. Nxf7 Rd7 26. e6 Bd5 27. exd7 Qxf7 28. Bxd5 Qxd5 29. Rac1 Qxd7 30. d5 Qd6 31. Qf3 Ne7 32. g4 f4 33. Rc4 g5 34. g3 Ng6 35. gxf4 Nxf4 36. Rc6 Qe7 37. d6 Qe5 38. d7 Rd8 39. Rc8 Ke7 40. Rxd8 Kxd8 41. Qa8+ Ke7 42. d8Q+ 1-0

