[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2018.01.04"]
[Round "9"]
[White "Ruhlmann, Helene"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1833"]
[BlackElo "1565"]
[PlyCount "53"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. c3 a6 5. a4 c6 6. d4 g6 7. Bf4 Bg7 8. Qc2 0-0 9. e4 d6 10. 0-0 Nbd7 11. Nbd2 c5 12. d5 c4 13. axb5 axb5 14. Rxa8 Qxa8 15. Nd4 Qa6 16. h3 Nc5 17. Be3 Nfd7 18. f4 Nd3 19. b3 N7c5 20. Rb1 Ra8 21. Bf1 Bc8 22. bxc4 bxc4 23. Nc6 Kf8 24. Nb4 Qa3 25. Nxc4 Qxc3 26. Qxc3 Bxc3 27. Bxd3 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2018.01.03"]
[Round "8"]
[White "Kostecki, Samuel"]
[Black "Gulbeyaz, Esra"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1565"]
[BlackElo "1467"]
[PlyCount "47"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3 Nbd7 6. Ng3 c5 7. Nf3 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 10. Qe2 0-0 11. Bg5 Qc7 12. 0-0-0 Qe5 13. Qd2 Ng4 14. Rhe1 Qc7 15. Re2 Nde5 16. Bb5 a6 17. Ba4 Ng6 18. f3 Nxh2 19. Ne4 f6 20. Be3 Bxe3 21. Rxe3 f5 22. Ng5 f4 23. Nxe6 Qf7 24. Nbd4 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2018.01.02"]
[Round "7"]
[White "Van Steenkiste, Luc"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1825"]
[BlackElo "1565"]
[PlyCount "54"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. f3 d5 3. e4 dxe4 4. Nc3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Qe1 Nc6 9. Qh4 Bf5 10. Rf2 Ng4 11. Rd2 e5 12. Qg3 exd4 13. Nb5 Nce5 14. Bb3 c5 15. Rd1 a6 16. Nc3 Kh8 17. Bf4 Nd7 18. Nd5 b5 19. Bc7 Qe8 20. Re1 Ne3 21. Nxe3 dxe3 22. Bd5 Ra7 23. Rad1 Rg8 24. Ng5 Be6 25. Qh4 h5 26. Bxe6 fxe6 27. Bf4 Bf6 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.31"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Furtak, Joanna"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1565"]
[BlackElo "1718"]
[PlyCount "71"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. 0-0-0 Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Bxc3 12. Qxc3 Qxc3 13. bxc3 d5 14. Bd4 Ned7 15. exd5 exd5 16. g4 0-0 17. Bh3 h6 18. Rhe1 Re8 19. Na5 Re6 20. Rxe6 fxe6 21. g5 e5 22. gxf6 exd4 23. Be6+ Kf8 24. Bxd5 Ra7 25. fxg7+ Kxg7 26. cxd4 Nb6 27. Be4 Bd7 28. Rg1+ Kf7 29. Rg6 Nc8 30. Rxh6 Ne7 31. Bb7 Be6 32. Rh7+ Ke8 33. Rxe7+ Kxe7 34. Nc6+ Kd7 35. Nxa7 Kc7 36. Be4 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.30"]
[Round "5"]
[White "Buchta, Agnieszka"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1801"]
[BlackElo "1565"]
[PlyCount "107"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 6. Nc3 d6 7. d4 cxd4 8. Qxd4 e5 9. Qd3 h6 10. Nd2 Nf6 11. Nc4 Be6 12. Be3 b5 13. Nb6 Rb8 14. Nbd5 b4 15. Nxf6+ gxf6 16. Nd5 a5 17. 0-0 h5 18. Rfd1 Bh6 19. Ba7 Rb7 20. Qa6 Bxd5 21. Rxd5 Qc7 22. Be3 Bxe3 23. fxe3 Ke7 24. Rad1 Rd8 25. R1d2 Ra7 26. Qf1 Qb6 27. Qf3 Kf8 28. Rf2 Rdd7 29. Rd3 Qc6 30. Qxh5 Qxe4 31. Qh8+ Ke7 32. Qxf6+ Ke8 33. Rf3 Qg6 34. Qxg6 fxg6 35. Rf6 Rac7 36. Rd2 Rc4 37. Rxg6 d5 38. Re6+ Re7 39. Rd6 Re4 40. R6xd5 Rxe3 41. Rxa5 Re1+ 42. Kf2 Rh1 43. h3 e4 44. Ke3 Rb1 45. b3 Re1+ 46. Re2 Ra1 47. Ra8+ Kf7 48. Rh8 Kg6 49. Rh4 Rxa2 50. Rxe4 Rc7 51. Rxb4 Ra6 52. Re4 Rf6 53. Kd3 Rfc6 54. Re6+ 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.30"]
[Round "4"]
[White "Kostecki, Samuel"]
[Black "Van Poucke, Simon"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1565"]
[BlackElo "1967"]
[PlyCount "184"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. Be3 d5 8. Nd2 e5 9. c3 Bd6 10. 0-0 Qc7 11. Nf3 Nf6 12. Qc2 0-0 13. Nd2 h6 14. h3 Rb8 15. b4 Rd8 16. Nb3 Nxe4 17. Bxe4 dxe4 18. Qxe4 Be6 19. Bc5 Bd5 20. Qe2 Ra8 21. Rfd1 f6 22. c4 Bf7 23. Bxd6 Rxd6 24. Nc5 a5 25. Rxd6 Qxd6 26. Rd1 Qf8 27. a3 axb4 28. axb4 Rd8 29. Nd7 Qe7 30. Qg4 Kh8 31. Nc5 Rxd1+ 32. Qxd1 Bxc4 33. Qa4 Qe8 34. Qa7 Bd5 35. Nd7 h5 36. Qc7 Qa8 37. Qa5 Qc8 38. Nb6 Qf5 39. Nxd5 cxd5 40. b5 Qb1+ 41. Kh2 d4 42. b6 Kh7 43. Qa7 d3 44. b7 d2 45. b8Q d1Q 46. Qxb1+ Qxb1 47. Qe3 Qf5 48. Qa7 h4 49. Qc5 Qf4+ 50. Kg1 Qd4 51. Qb5 Kh6 52. Qc6 Qd1+ 53. Kh2 Qd2 54. Qc5 Kg5 55. Kg1 g6 56. Kh2 Qd4 57. Qc2 Qf4+ 58. Kg1 e4 59. Qc5+ f5 60. Qe7+ Kh5 61. Qh7+ Qh6 62. Qe7 g5 63. Qe5 Qf8 64. Kh2 Qf7 65. Kg1 Kg6 66. Kh2 Qd7 67. Kg1 Qc6 68. Qe7 f4 69. Kh1 f3 70. gxf3 exf3 71. Kg1 Qc1+ 72. Kh2 Qf4+ 73. Kg1 Qf5 74. Kh2 Qf4+ 75. Kg1 Kf5 76. Kh1 Qc1+ 77. Kh2 Qc4 78. Kg1 Qc1+ 79. Kh2 Qf4+ 80. Kh1 Qe5 81. Qf7+ Ke4 82. Qb7+ Qd5 83. Qb1+ Qd3 84. Qb4+ Kd5 85. Qa5+ Kc4 86. Qa6+ Kc3 87. Qc6+ Kd2 88. Kg1 Qb1+ 89. Kh2 Ke2 90. Qc5 Qe1 91. Qe3+ Kf1 92. Qd3+ Kxf2 0-1

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.29"]
[Round "3"]
[White "Silich, Yahor"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1897"]
[BlackElo "1565"]
[PlyCount "45"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. dxc5 Nxe4 6. c6 Qa5+ 7. Nbd2 Qxb5 8. cxd7+ Bxd7 9. Nxe4 Qb4+ 10. Nc3 Bg4 11. 0-0 g6 12. Re1 Rc8 13. Nd5 Bxf3 14. Nxb4 Bxd1 15. Rxd1 a5 16. Nd3 Rxc2 17. Bd2 Bg7 18. Rac1 Rxc1 19. Rxc1 Kd7 20. Bxa5 Ke6 21. Kf1 Bd4 22. Bc3 Kd5 23. Nb4+ 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.28"]
[Round "2"]
[White "Kostecki, Samuel"]
[Black "Kubik, Zbigniew"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1565"]
[BlackElo "1832"]
[PlyCount "81"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 Nc6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 Nge7 7. Qd2 Ng6 8. 0-0-0 Be7 9. f4 0-0 10. g3 d6 11. Nxc6 bxc6 12. h4 f5 13. h5 Nh8 14. h6 g6 15. Qd4 Rf7 16. Bc4 Rb8 17. g4 Qa5 18. gxf5 c5 19. Qd3 gxf5 20. exf5 Qb4 21. Bb3 c4 22. Qxc4 Qxc4 23. Bxc4 Rxf5 24. Bd4 Rxf4 25. Rdg1+ Kf8 26. Bxh8 Rxc4 27. Rg7 Ke8 28. Rxh7 Bg5+ 29. Kb1 Rb7 30. Rxb7 Bxb7 31. Rh5 Rg4 32. a3 Kf7 33. h7 Kg6 34. Bd4 Kxh5 35. h8Q+ Bh6 36. Be3 Rg6 37. Bxh6 Rxh6 38. Qe8+ Rg6 39. Qd7 Bd5 40. Nxd5 exd5 41. Qc6 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.27"]
[Round "1"]
[White "Dwilewicz, Agata"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1904"]
[BlackElo "1565"]
[PlyCount "61"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 Nc6 7. Be3 Nxd4 8. Bxd4 e6 9. Nc3 Be7 10. Be2 0-0 11. 0-0 Rb8 12. Qd2 b6 13. Rad1 Nd7 14. f4 Bb7 15. f5 Bg5 16. Qc2 Qc7 17. b3 Rbc8 18. Rd3 d5 19. exd5 exd5 20. cxd5 Bxd5 21. Qd1 Bc6 22. Rg3 Bf6 23. Bxa6 Rcd8 24. Bxf6 Nxf6 25. Qe2 Rfe8 26. Qc4 Re5 27. a4 Rc5 28. Qh4 Qe5 29. Qg5 g6 30. Bc4 Rd2 31. Qxd2 1-0

[Event "POL-chT3 Wielkopolskie 1415"]
[Site "Poland"]
[Date "2015.02.01"]
[Round "7.5"]
[White "Stachowiak, Slawomir"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "1905"]
[BlackElo "1617"]
[PlyCount "82"]
[EventDate "2014.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Be6 10. f3 Nd7 11. Kh1 f5 12. exf5 Rxf5 13. f4 exf4 14. Bxf4 Nde5 15. Nd5 Bf8 16. c4 Qd7 17. Qd2 Qf7 18. Bg3 Rxf1+ 19. Rxf1 Qd7 20. Nd4 Bf7 21. Nf5 Kh8 22. b3 Re8 23. Nd4 Kg8 24. Bd1 Kh8 25. Bc2 Bg6 26. Nf5 Bf7 27. Qf4 Ng6 28. Qf2 Bxd5 29. cxd5 Nb4 30. Nh4 Nxc2 31. Nxg6+ hxg6 32. Qxc2 Qb5 33. Qc4 Qxc4 34. bxc4 Kg8 35. Re1 Rc8 36. Re4 Rc5 37. Bf2 Ra5 38. Re2 Ra4 39. Rc2 b6 40. g4 Be7 41. Kg2 Ra3 1/2-1/2

[Event "POL-chT3 Wielkopolskie 1415"]
[Site "Poland"]
[Date "2014.11.30"]
[Round "1.11"]
[White "Kostecki, Samuel"]
[Black "Kaluzny, Jan"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "1617"]
[BlackElo "1430"]
[PlyCount "100"]
[EventDate "2014.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[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. g3 c6 4. Bg2 Nf6 5. Nf3 Be7 6. 0-0 0-0 7. Qc2 Nbd7 8. Rd1 Ne4 9. Ne5 Nxe5 10. dxe5 Nc5 11. Nd2 Qc7 12. Nf3 f6 13. exf6 Rxf6 14. b4 Ne4 15. a3 Rf8 16. Bb2 Bf6 17. Bxf6 Nxf6 18. Rac1 Bd7 19. Qb2 Rac8 20. Ne5 Qb6 21. e4 a5 22. cxd5 exd5 23. Nxd7 Nxd7 24. exd5 cxd5 25. Rxc8 Rxc8 26. Bxd5+ Kh8 27. Qd2 axb4 28. axb4 Nf6 29. Bf3 h6 30. Qd4 Qb5 31. Kg2 Qa6 32. Ra1 Qe6 33. Ra5 Qe8 34. Bxb7 Rb8 35. Bf3 Qe7 36. b5 Qc7 37. Bc6 Qxa5 38. Qd6 Qd8 39. Qe6 Ne8 40. Qg6 Nf6 41. g4 Qd4 42. h3 Qc5 43. Qf7 Rxb5 44. Bxb5 Qxb5 45. Qf8+ Kh7 46. Qa3 Qg5 47. Qd3+ Qg6 48. Qd2 h5 49. f3 hxg4 50. hxg4 Kg8 1/2-1/2

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.16"]
[Round "9"]
[White "Chojnacki, Tomasz"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1904"]
[BlackElo "1567"]
[PlyCount "47"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Bg7 12. c3 0-0 13. 0-0 Kh8 14. exf5 Qg5 15. Qf3 Rg8 16. g3 Bb7 17. Be4 Rac8 18. Nb4 d5 19. Nxd5 b4 20. Nxb4 Nxb4 21. Bxb7 e4 22. Bxe4 Qd2 23. f6 Bf8 24. Qf5 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.15"]
[Round "8"]
[White "Kostecki, Samuel"]
[Black "Bzdega, Bartlomiej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1567"]
[BlackElo "1465"]
[PlyCount "75"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. Nc3 Bg7 7. Be3 0-0 8. Be2 Bg4 9. h3 Bxf3 10. Bxf3 Nc6 11. Bxc6 bxc6 12. c5 Nc4 13. b3 Nxe3 14. fxe3 e5 15. d5 cxd5 16. Qxd5 e4 17. Qc4 Qh4+ 18. Ke2 Qh5+ 19. g4 Qe5 20. Nxe4 Qb2+ 21. Kf3 Rfe8 22. Rad1 Rxe4 23. Qxe4 Qf6+ 24. Kg3 c6 25. Rhf1 Qb2 26. Rf2 Qe5+ 27. Qxe5 Bxe5+ 28. Kg2 h5 29. e4 Kg7 30. Rd7 Rf8 31. g5 Kg8 32. Rxa7 Bc3 33. e5 Bb4 34. Rf6 Bxc5 35. Ra5 Be7 36. Rxc6 Bxg5 37. e6 fxe6 38. Rxg5 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.14"]
[Round "7"]
[White "Rozumek, Krzysztof"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1907"]
[BlackElo "1567"]
[PlyCount "75"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 b5 4. e3 a6 5. a4 b4 6. d4 e6 7. Nbd2 Nc6 8. Nc4 d5 9. Nce5 Nxe5 10. Nxe5 Qc7 11. f3 Bd6 12. Qd2 Rb8 13. Be2 0-0 14. g4 Bxe5 15. dxe5 Nd7 16. f4 c4 17. Bd4 Nc5 18. Bxc5 Qxc5 19. Qd4 Qxd4 20. exd4 Bb7 21. Kd2 Rfc8 22. Rhc1 Rc7 23. a5 Bc8 24. Rab1 Rb5 25. c3 Rxa5 26. cxb4 Ra2+ 27. Rc2 cxb3 28. Rxa2 bxa2 29. Ra1 Kf8 30. Rxa2 Rc6 31. Rc2 Rxc2+ 32. Kxc2 f6 33. Kb3 g5 34. fxg5 fxe5 35. dxe5 Kg7 36. h4 Bb7 37. Kc3 Bc8 38. Kd4 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.13"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Szych, Adam"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1567"]
[BlackElo "1408"]
[PlyCount "35"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Bd7 8. g4 0-0 9. Qd2 Nc6 10. h4 Ne5 11. h5 Nc4 12. Bxc4 Rc8 13. Bb3 a6 14. Bh6 Qb6 15. Bxg7 Kxg7 16. hxg6 fxg6 17. Qh6+ Kh8 18. Nd5 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.12"]
[Round "5"]
[White "Duszczak, Dariusz"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1921"]
[BlackElo "1567"]
[PlyCount "43"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Be7 7. Nb5 Qd8 8. dxc5 Qxd1+ 9. Kxd1 Na6 10. b4 Bd7 11. Be3 Bc6 12. Bd3 Bxf3+ 13. gxf3 Nd5 14. Ke2 0-0 15. Rac1 e5 16. Be4 Rfd8 17. Rhd1 Nxe3 18. fxe3 Rdb8 19. Rd7 Bf6 20. Bxb7 Rxb7 21. Rxb7 Re8 22. Rxa7 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.11"]
[Round "4"]
[White "Kostecki, Samuel"]
[Black "Szafranski, Piotr"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1567"]
[BlackElo "1321"]
[PlyCount "59"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 b5 7. Be3 Bb7 8. g4 Nfd7 9. Qd2 Qc7 10. h4 Ne5 11. 0-0-0 Nbd7 12. Rg1 Rc8 13. Nd5 Bxd5 14. exd5 Nb6 15. b3 Nxd5 16. Bxb5+ Kd8 17. Bxa6 Nxf3 18. Nxf3 Nxe3 19. Bxc8 Nxd1 20. Bf5 Nc3 21. Kb2 Nb5 22. a4 Na7 23. Ng5 e6 24. Bxe6 Ke8 25. Bxf7+ Kd7 26. Be6+ Ke7 27. Rf1 h6 28. Rf7+ Kd8 29. Rxc7 Kxc7 30. Qa5+ 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.10"]
[Round "2"]
[White "Kostecki, Samuel"]
[Black "Kultys, Nela"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "1567"]
[PlyCount "93"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Ba4 b5 6. Bb3 Nxe4 7. d4 d6 8. dxe5 dxe5 9. Qxd8+ Nxd8 10. Nxe5 Bd6 11. Re1 Nc5 12. Nxf7+ Kd7 13. Nxh8 Nxb3 14. axb3 Bb7 15. Nc3 Bc5 16. Ne4 Bxe4 17. Rxe4 Nc6 18. Be3 Bxe3 19. Rxe3 Rxh8 20. Rxa6 Nb4 21. Ra7 Nc6 22. Rd3+ Kc8 23. Ra8+ Nb8 24. c4 Re8 25. Ra1 bxc4 26. bxc4 Nc6 27. Ra8+ Nb8 28. Kf1 Kb7 29. Ra5 c6 30. Rb3+ Kc7 31. Ra7+ Kd6 32. Rxg7 Kc5 33. Rgb7 Na6 34. Ra3 Nb4 35. Rc3 Na2 36. Rc2 Nb4 37. Re2 Rd8 38. f4 Nd3 39. f5 Nf4 40. Re5+ Kd4 41. Ree7 Kxc4 42. Rbd7 Ra8 43. g3 Nh5 44. Rxh7 Nf6 45. Rhg7 Rh8 46. h4 Ne4 47. Rg4 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.10"]
[Round "3"]
[White "Niekras, Dawid"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2003"]
[BlackElo "1567"]
[PlyCount "81"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 Rb8 12. cxb5 Nd4 13. b6 0-0 14. Nc4 Be6 15. Be2 Bg5 16. 0-0 Bxd5 17. exd5 f5 18. g3 f4 19. Bg4 f3 20. Qd3 h5 21. Be6+ Nxe6 22. dxe6 Qf6 23. Qd5 Kh8 24. Nxd6 Rxb6 25. Nf7+ Kh7 26. Nxe5 Qxe6 27. Qd3+ Qf5 28. Qxf5+ Rxf5 29. Nc4 Rc6 30. b3 a5 31. a4 h4 32. g4 Rd5 33. h3 Be7 34. Rfd1 Rxd1+ 35. Rxd1 Bb4 36. Rd3 Rf6 37. Ne5 g5 38. Nxf3 Kh6 39. Nd4 Rf4 40. Nf3 Kg6 41. Kg2 1-0

[Event "Poznan op 22nd"]
[Site "Poznan"]
[Date "2014.08.09"]
[Round "1"]
[White "Bartkowiak, Damian"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2133"]
[BlackElo "1567"]
[PlyCount "57"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. a4 Bg7 8. a5 Qc7 9. e4 d6 10. Bc4 0-0 11. Nge2 e5 12. dxe6 Bxe6 13. Bxe6 fxe6 14. Nf4 Re8 15. 0-0 Nc6 16. Ra3 Rab8 17. h4 Rb4 18. h5 Nxh5 19. Nxh5 gxh5 20. Qxh5 Qf7 21. Qe2 Nd4 22. Qd3 Qh5 23. f4 Rf8 24. Rf2 Rf6 25. f5 c4 26. Qg3 d5 27. Bg5 Rh6 28. Bxh6 Qxh6 29. f6 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.14"]
[Round "9"]
[White "Hoffmann, Piotr"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1723"]
[BlackElo "1523"]
[PlyCount "113"]
[EventDate "2013.08.07"]
[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. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4 Nf6 5. Bg5 a6 6. e4 b5 7. Nf3 Qc7 8. Bd3 Bb7 9. 0-0 e6 10. Rfe1 Ne5 11. Nxe5 Qxe5 12. Bf4 Qc5 13. a3 Be7 14. Be3 Qc6 15. Qh3 h5 16. Bg5 Qb6 17. Be3 Bc5 18. Bxc5 Qxc5 19. Qe3 Qc7 20. Qg3 Qxg3 21. hxg3 d5 22. Rad1 0-0-0 23. exd5 Nxd5 24. Ne2 Nb6 25. b3 h4 26. gxh4 Rxh4 27. f3 Kb8 28. Kf2 Rc8 29. Rh1 Rch8 30. Rxh4 Rxh4 31. Nc3 Kc7 32. Be4 Rh8 33. Bxb7 Kxb7 34. Ne4 Kc7 35. Nc5 a5 36. Ne4 Kc6 37. Rd2 Nd5 38. c4 bxc4 39. bxc4 Nf4 40. Rd6+ Kc7 41. Ra6 Nd3+ 42. Kg1 Ne5 43. Rxa5 f6 44. Ra7+ Kc6 45. Rxg7 Nxc4 46. Nxf6 Nxa3 47. Rg4 Kd6 48. Ra4 Nb5 49. Ne4+ Ke7 50. Ra6 Nc7 51. Ra7 Kd8 52. Ng5 Rh5 53. Ne4 Rf5 54. Kf2 Rf7 55. Nc5 Ke8 56. Ne4 Kf8 57. Ng5 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.13"]
[Round "8"]
[White "Kostecki, Samuel"]
[Black "Zgarda, Jaroslaw"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1523"]
[PlyCount "39"]
[EventDate "2013.08.07"]
[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 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e5 5. dxe5 Bxf3 6. Qxf3 Bb4+ 7. Bd2 Bxd2+ 8. Nxd2 Nb4 9. Qd1 Qe7 10. Nf3 0-0-0 11. Qa4 dxc4 12. Bxc4 Qc5 13. a3 Nd5 14. Bxd5 b5 15. Qa6+ Kd7 16. e6+ Ke7 17. exf7 Rxd5 18. fxg8Q Rxg8 19. Nd4 Rd6 20. Qxb5 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.12"]
[Round "7"]
[White "Szafranski, Piotr"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "B56"]
[BlackElo "1523"]
[PlyCount "70"]
[EventDate "2013.08.07"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5 Bd7 7. 0-0 a6 8. Bxc6 bxc6 9. Kh1 e5 10. Nde2 Be7 11. f3 0-0 12. Be3 Ne8 13. Qd2 f5 14. exf5 d5 15. Na4 d4 16. Bf2 c5 17. Qd3 Bb5 18. Qe4 Bxa4 19. b3 Bb5 20. Qxe5 Qd6 21. Qxd6 Nxd6 22. Rfe1 Bf6 23. Rac1 Nxf5 24. c4 Bc6 25. Nf4 Bg5 26. Ne6 Bxc1 27. Nxf8 Rxf8 28. Rxc1 Re8 29. a3 Re2 30. Bg1 Ne3 31. Bxe3 dxe3 32. h3 Rd2 33. Kg1 e2 34. Kf2 Rd1 35. Rxd1 exd1Q 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.11"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Piechocki, Bronislaw"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1523"]
[BlackElo "1492"]
[PlyCount "75"]
[EventDate "2013.08.07"]
[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. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nbd2 c5 7. c3 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. Bxc6 Rb8 11. Nb3 Bh3 12. Bg2 Bxg2 13. Kxg2 Qb6 14. Qc2 Qb5 15. Bd2 Qh5 16. Qd3 Ng4 17. h3 Nf6 18. Qf3 Qb5 19. Bg5 a5 20. Rfb1 Qxg5 21. Nd4 Qc5 22. h4 d5 23. g4 Ne4 24. Qd3 Bxd4 25. cxd4 Qd6 26. b3 Qf4 27. Qf3 Qxf3+ 28. exf3 Nd6 29. Rc1 Rbc8 30. Rc5 Rxc5 31. dxc5 Nb5 32. a3 d4 33. Rd1 e5 34. f4 f6 35. b4 axb4 36. axb4 e4 37. c6 d3 38. Kf1 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.11"]
[Round "5"]
[White "Nowak, Mikolaj"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1626"]
[BlackElo "1523"]
[PlyCount "87"]
[EventDate "2013.08.07"]
[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. f4 c5 2. Nf3 Nc6 3. e3 d5 4. b3 Bf5 5. Bb2 a6 6. Be2 Nf6 7. h3 Ne4 8. d3 Qa5+ 9. Nfd2 Ng3 10. Rg1 d4 11. e4 Bd7 12. Bg4 f5 13. Kf2 Nxe4+ 14. Nxe4 fxg4 15. hxg4 e6 16. Nbd2 Qc7 17. g3 b5 18. c3 e5 19. Qf3 Be7 20. Raf1 Rf8 21. f5 0-0-0 22. c4 b4 23. Ke1 h5 24. gxh5 Rxf5 25. Qe2 Rdf8 26. Rxf5 Rxf5 27. Rf1 Qd8 28. Rxf5 Bxf5 29. Qf3 Qd7 30. Nf2 Kc7 31. Nde4 Nd8 32. Bc1 Nf7 33. g4 Be6 34. Qg3 Qd8 35. g5 Bd6 36. g6 Nh6 37. Bg5 Qf8 38. Bxh6 gxh6 39. Nxd6 Kxd6 40. Ne4+ Kc6 41. Qxe5 Bh3 42. Qf6+ Qxf6 43. Nxf6 Kd6 44. g7 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.10"]
[Round "4"]
[White "Kostecki, Samuel"]
[Black "Nawrocik, Marek"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1523"]
[PlyCount "41"]
[EventDate "2013.08.07"]
[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. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. 0-0 0-0 6. Nbd2 d6 7. e4 Nbd7 8. e5 dxe5 9. dxe5 Nd5 10. Qe2 N7b6 11. Rd1 Qc7 12. a3 Bg4 13. c4 Bxe5 14. cxd5 Nxd5 15. h3 Bxf3 16. Nxf3 Bd6 17. Qd2 f5 18. Ng5 Rf6 19. Bxd5+ cxd5 20. Qxd5+ e6 21. Qxd6 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.09"]
[Round "3"]
[White "Szuba, Henryk"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "E12"]
[BlackElo "1523"]
[PlyCount "59"]
[EventDate "2013.08.07"]
[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 e6 3. Nf3 b6 4. Bg5 Be7 5. Nc3 Bb7 6. e3 0-0 7. Rc1 d6 8. Bd3 Nbd7 9. 0-0 Ne8 10. Bxe7 Qxe7 11. Be4 c6 12. Bb1 f5 13. Re1 e5 14. dxe5 dxe5 15. e4 f4 16. Qd2 g5 17. Red1 Rf7 18. a4 g4 19. Ne1 Kh8 20. f3 Nc5 21. Ba2 Rg7 22. b4 Ne6 23. Ne2 Qg5 24. Qc3 c5 25. bxc5 Nxc5 26. Rd5 Bxd5 27. cxd5 Nd6 28. Bb1 Rf8 29. Kf1 gxf3 30. Qxf3 1/2-1/2

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.08"]
[Round "2"]
[White "Kostecki, Samuel"]
[Black "Rozumek, Krzysztof"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1523"]
[BlackElo "1959"]
[PlyCount "150"]
[EventDate "2013.08.07"]
[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. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Bb4+ 6. Nbd2 0-0 7. 0-0 Qc8 8. Qc2 Bxd2 9. Nxd2 Bxg2 10. Kxg2 c5 11. Nf3 cxd4 12. Nxd4 Qb7+ 13. Kg1 Rc8 14. Qd3 d5 15. cxd5 Qxd5 16. Rd1 Nc6 17. Be3 Ne5 18. Qb5 Rc5 19. Qa4 Qc4 20. Qa3 Ra5 21. Qb3 Qxb3 22. Nxb3 Rd5 23. Rxd5 Nxd5 24. Bd4 Nc6 25. Rc1 Nxd4 26. Nxd4 Kf8 27. a3 Rd8 28. Kf1 Ne7 29. Nf3 Rc8 30. Rxc8+ Nxc8 31. Ke1 Ke7 32. Kd2 Nd6 33. Kd3 a6 34. a4 f6 35. Nd4 Kd7 36. f4 e5 37. fxe5 fxe5 38. Nc2 a5 39. Ne3 Nb7 40. Kc4 Kc6 41. Nf5 g6 42. Ne7+ Kd7 43. Nd5 Nd6+ 44. Kd3 Kc6 45. Nf6 h5 46. Ne4 Nf5 47. Kc4 Ne3+ 48. Kd3 Nd5 49. Kc4 Ne3+ 50. Kd3 Ng4 51. h3 Nh6 52. Kc4 Nf5 53. b3 h4 54. g4 Ng3 55. Nc3 Nf1 56. Nd1 Nd2+ 57. Kc3 Ne4+ 58. Kd3 Ng5 59. Nf2 Kd5 60. e4+ Kc6 61. Kc4 Nf3 62. Nd3 Nd2+ 63. Kc3 Nxe4+ 64. Kc4 Nd6+ 65. Kc3 Kd5 66. b4 g5 67. b5 Nb7 68. Kd2 Nc5 69. Nb2 e4 70. Ke3 Ne6 71. Nd1 Nf4 72. Nf2 Ke5 73. Nxe4 Nxh3 74. Kf3 Kd4 75. Nf6 Nf4 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.07"]
[Round "1"]
[White "Bednarska, Malgorzata"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2080"]
[BlackElo "1523"]
[PlyCount "67"]
[EventDate "2013.08.07"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Qb6 8. Nb3 Be7 9. 0-0-0 a6 10. f3 Qc7 11. Bxf6 gxf6 12. Qh6 Ne5 13. Nd4 Bd7 14. f4 Ng6 15. f5 Bf8 16. Qh5 Nf4 17. Qh4 h5 18. g3 exf5 19. gxf4 0-0-0 20. Nxf5 Bxf5 21. exf5 Kb8 22. Bg2 Rc8 23. Qf2 h4 24. Rd3 h3 25. Bxh3 d5 26. Nxd5 Qc6 27. Bg2 Bc5 28. Qd2 Rhg8 29. Bf3 Qa4 30. Nc3 Qa5 31. Rd7 Rcd8 32. Rxb7+ Kc8 33. Qe2 Qb4 34. Rxb4 1-0

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.15"]
[Round "9"]
[White "Kostecki, Samuel"]
[Black "Wittig, Zenon"]
[Result "1/2-1/2"]
[ECO "E72"]
[WhiteElo "1447"]
[BlackElo "1568"]
[PlyCount "78"]
[EventDate "2012.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. d4 c6 7. Nge2 Nbd7 8. 0-0 Qc7 9. b4 a6 10. a4 e5 11. d5 c5 12. b5 b6 13. Bd2 a5 14. Qc1 Kh8 15. Bh6 Ng8 16. Bxg7+ Kxg7 17. f4 exf4 18. Rxf4 Ne5 19. Nd1 Nd3 20. Qc3+ Ne5 21. Nf2 f6 22. Nd3 Bd7 23. Raf1 g5 24. Nxe5 fxe5 25. Rxf8 Rxf8 26. Rxf8 Kxf8 27. Qf3+ Kg7 28. Qh5 Qd8 29. Bh3 Be8 30. Qf3 h5 31. Be6 Qf6 32. Qg2 Bf7 33. Bxf7 Kxf7 34. Nc3 Kg6 35. Nd1 Nh6 36. Ne3 g4 37. Qf2 Qg5 38. Qd2 Qf6 39. Qf2 Qg5 1/2-1/2

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.15"]
[Round "8"]
[White "Niedbala, Wojciech"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1686"]
[BlackElo "1447"]
[PlyCount "65"]
[EventDate "2012.08.11"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bd2 Nbd7 12. 0-0-0 a5 13. Ne4 Bb4 14. c3 Nxe4 15. Qxe4 Nf6 16. Qe2 Be7 17. g4 Nh7 18. Ne5 Bf6 19. f4 Qc7 20. f5 Bxe5 21. Qxe5 Qxe5 22. dxe5 0-0-0 23. Bf4 Rd5 24. Rh2 Rhd8 25. Rhd2 Nf8 26. Rxd5 cxd5 27. f6 gxf6 28. exf6 Nd7 29. Bxh6 Nxf6 30. Bg5 Nxg4 31. Bxd8 Kxd8 32. Rg1 f5 33. Rxg4 1-0

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.14"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Sauer, Bernd"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "1447"]
[PlyCount "48"]
[EventDate "2012.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. f3 e5 6. d5 Nd4 7. f4 d6 8. Nxe4 Be7 9. Nxf6+ Bxf6 10. Bxf6 Qxf6 11. c3 Nf5 12. Nf3 0-0 13. Qd2 exf4 14. 0-0-0 Ne3 15. Re1 Bf5 16. Nd4 a6 17. Nxf5 Qxf5 18. Bd3 Qh5 19. h4 Kh8 20. c4 b5 21. b3 bxc4 22. bxc4 Rab8 23. g3 Qe5 24. Bb1 Rxb1+ 0-1

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.14"]
[Round "7"]
[White "Wisniewski, Emil"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1846"]
[BlackElo "1447"]
[PlyCount "65"]
[EventDate "2012.08.11"]
[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. f4 e6 3. Nf3 Nc6 4. c3 d5 5. e5 d4 6. cxd4 cxd4 7. d3 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 Nge7 10. Nc4 Nf5 11. g4 b5 12. gxf5 bxc4 13. fxe6 Bxe6 14. dxc4 0-0 15. Bd3 g6 16. a3 Ne7 17. Ng5 Nf5 18. h4 Ne3 19. Qe2 Bg4 20. Qf2 f6 21. Nxh7 Kxh7 22. h5 f5 23. hxg6+ Kxg6 24. Kd2 Rh8 25. Rag1 Rxh1 26. Rxh1 Qa5+ 27. Kc1 Nxc4 28. Bxc4 Qa4 29. Qh4 Qxc4+ 30. Kb1 Qd3+ 31. Ka1 Bh3 32. Rc1 Qf3 33. Qf6+ 1-0

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.13"]
[Round "4"]
[White "Czajka, Iwo"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1522"]
[BlackElo "1447"]
[PlyCount "76"]
[EventDate "2012.08.11"]
[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. Nc3 Nc6 3. Bb5 e6 4. f4 Nd4 5. Nf3 Nxb5 6. Nxb5 a6 7. Nc3 b5 8. 0-0 Bb7 9. d3 g6 10. f5 Ne7 11. fxe6 dxe6 12. Ne5 Qd4+ 13. Rf2 Qxe5 14. Qf3 f5 15. Bf4 Qd4 16. Qg3 Bg7 17. exf5 Nxf5 18. Qg4 0-0 19. Re1 e5 20. Ne2 Qd6 21. Bd2 Nh6 22. Qh4 Rxf2 23. Kxf2 Rf8+ 24. Kg1 Qc6 25. Qh3 Qf6 26. Be3 Qf5 27. Qh4 Qg4 28. Qxg4 Nxg4 29. Bxc5 Rc8 30. b4 Bf8 31. Bxf8 Rxf8 32. Ng3 Rf2 33. Re2 Rxe2 34. Nxe2 Ne3 35. c3 Bd5 36. Kf2 Nxg2 37. c4 bxc4 38. dxc4 Bxc4 0-1

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.13"]
[Round "5"]
[White "Mietkiewicz, Jacek"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1506"]
[BlackElo "1447"]
[PlyCount "88"]
[EventDate "2012.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. Nf3 Bxc5 4. e3 Nf6 5. Bd3 Nc6 6. 0-0 0-0 7. Nc3 a6 8. e4 Qc7 9. h3 b5 10. Bg5 Be7 11. Re1 d6 12. Qe2 Bb7 13. Rad1 Rad8 14. Bh4 Nh5 15. Bxe7 Nxe7 16. e5 Nf4 17. Qe3 dxe5 18. Be4 f6 19. Bxb7 Qxb7 20. Ne4 Nf5 21. Qc1 Nd4 22. Nxd4 f5 23. Nxe6 Nxe6 24. Ng5 Nf4 25. Nf3 Rxd1 26. Qxd1 e4 27. Nh2 e3 28. Qf3 Qxf3 29. Nxf3 exf2+ 30. Kxf2 Rc8 31. Re2 Nxe2 32. Kxe2 Rxc2+ 33. Nd2 Rxb2 34. Kd3 Rxa2 35. Kc3 Rxd2 36. Kxd2 a5 37. Kc3 a4 38. g3 a3 39. Kb3 b4 40. h4 Kf7 41. Ka2 Kf6 42. Kb3 Ke5 43. Kc2 Ke4 44. Kb3 Kf3 0-1

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.12"]
[Round "2"]
[White "Bardeli, Lukasz"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2299"]
[BlackElo "1447"]
[PlyCount "52"]
[EventDate "2012.08.11"]
[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 c5 2. c4 e6 3. g3 d5 4. cxd5 exd5 5. d4 Nf6 6. Bg2 Bf5 7. 0-0 Be7 8. Nc3 c4 9. b3 0-0 10. bxc4 dxc4 11. Ne5 Qc8 12. Qa4 Nbd7 13. Qb5 Nb6 14. a4 Nfd7 15. a5 a6 16. Qb2 Nxe5 17. dxe5 Nd7 18. Bxb7 Qb8 19. Be3 Bc5 20. Na4 Ra7 21. Nxc5 Nxc5 22. Bxc5 Rxb7 23. Qd4 Re8 24. Bd6 Qc8 25. Rac1 Be6 26. e4 Rb5 1-0

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.12"]
[Round "3"]
[White "Kostecki, Samuel"]
[Black "Okonek, Wojciech"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1447"]
[BlackElo "1569"]
[PlyCount "30"]
[EventDate "2012.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 c6 4. Qc2 Nf6 5. Bg2 Bd6 6. Nf3 0-0 7. 0-0 Nbd7 8. b3 e5 9. dxe5 Nxe5 10. Bb2 Nxf3+ 11. Bxf3 dxc4 12. Qxc4 Qe7 13. Re1 Be6 14. Qh4 Nd7 15. Qh5 Nf6 1/2-1/2

[Event "Gniezno GOSiR op-A"]
[Site "Gniezno"]
[Date "2012.08.11"]
[Round "1"]
[White "Kostecki, Samuel"]
[Black "Czaplinski, Piotr"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1447"]
[BlackElo "1820"]
[PlyCount "75"]
[EventDate "2012.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 c5 8. 0-0 Na6 9. a3 Bd7 10. Bd2 Rb8 11. Rb1 Nc7 12. b4 cxb4 13. axb4 b5 14. c5 dxc5 15. bxc5 b4 16. Na2 a5 17. c6 Be8 18. Bg5 Qd6 19. Nd2 Ncxd5 20. Nc4 Qxc6 21. exd5 Nxd5 22. Nxa5 Qa8 23. Bf3 e4 24. Bxe4 Qxa5 25. Bxd5 Rb5 26. Be7 Rxd5 27. Qb3 Ba4 28. Qxb4 Re8 29. Qxa5 Rxa5 30. Bb4 Ra6 31. Bc3 Bc2 32. Rb2 Bd3 33. Rd1 Bxc3 34. Nxc3 Rc6 35. Nd5 Bc4 36. h3 Bxd5 37. Rxd5 Rc1+ 38. Kh2 1/2-1/2

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.29"]
[Round "9"]
[White "Kostecki, Samuel"]
[Black "Cybulski, Ryszard"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1447"]
[BlackElo "1925"]
[PlyCount "80"]
[EventDate "2012.07.22"]
[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. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 Bxc3 8. bxc3 Ne4 9. Qc2 f5 10. Bf4 Nc6 11. Nd2 Nxd2 12. Qxd2 Na5 13. Bxb7 Nxb7 14. Rab1 d6 15. Rbe1 h6 16. h4 Qf6 17. e4 fxe4 18. Rxe4 Rae8 19. Rfe1 Nd8 20. Qe2 Qg6 21. Bc1 Rf6 22. Rg4 Qf7 23. Rf4 e5 24. Rxf6 Qxf6 25. Qe4 Rf8 26. Re2 Nf7 27. Re3 Qe6 28. dxe5 Qxe5 29. Qd5 Qf6 30. Rf3 Qe5 31. Re3 Qxd5 32. cxd5 Ne5 33. f4 Nc4 34. Re7 Rf7 35. Re4 b5 36. a4 a6 37. Re8+ Rf8 38. Rxf8+ Kxf8 39. axb5 axb5 40. Kf2 Kf7 1/2-1/2

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.28"]
[Round "8"]
[White "Zelajtys, Jozef"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1628"]
[BlackElo "1447"]
[PlyCount "85"]
[EventDate "2012.07.22"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. N2f3 Qc7 7. a3 Nf6 8. Nxc6 Qxc6 9. e5 Ne4 10. Be3 d6 11. Bd3 Nc5 12. 0-0 Nxd3 13. Qxd3 dxe5 14. Rad1 Qc7 15. Nxe5 Be7 16. Nc4 0-0 17. Bb6 Qc6 18. b3 Bc5 19. Bxc5 Qxc5 20. b4 Qc7 21. Qd4 b5 22. Nb6 Rb8 23. Nxc8 Rbxc8 24. Rd3 Rfd8 25. Qe4 Rxd3 26. cxd3 Qc3 27. Qb7 Qc6 28. Qa7 Rc7 29. Qd4 Rd7 30. Qe4 Qxe4 31. dxe4 Rd3 32. Ra1 Kf8 33. f3 Ke7 34. Kf1 Kd6 35. Ke2 Rb3 36. f4 Rb2+ 37. Ke3 Rxg2 38. Rd1+ Ke7 39. e5 Rxh2 40. Ra1 Rh3+ 41. Kd4 Kd7 42. a4 f6 43. axb5 1/2-1/2

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.27"]
[Round "7"]
[White "Kostecki, Samuel"]
[Black "Przybylowicz, Kazimierz"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1447"]
[BlackElo "1724"]
[PlyCount "84"]
[EventDate "2012.07.22"]
[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 d5 3. c4 c6 4. Qc2 g6 5. g3 Bg7 6. Bg2 dxc4 7. Qxc4 0-0 8. 0-0 Nbd7 9. Rd1 Nb6 10. Qc2 Bf5 11. Qb3 Qc8 12. Bf4 Nbd5 13. Be5 a5 14. a3 a4 15. Qc4 Bh6 16. Bxf6 Nxf6 17. Nbd2 Be6 18. Qc2 Rd8 19. e3 Bg4 20. Nc4 Qc7 21. b3 axb3 22. Qxb3 b5 23. Nce5 Be6 24. Qc2 Bd5 25. Rdc1 Rdc8 26. Ne1 Bxg2 27. Kxg2 Qd6 28. N1d3 Nd5 29. Qc5 Ra6 30. Nb4 Nxb4 31. Qxb4 Qd5+ 32. Kg1 Bf8 33. Rc5 Qd8 34. Qc3 Qb6 35. Nd7 Qb7 36. Nxf8 Kxf8 37. Rc1 e6 38. e4 h5 39. d5 exd5 40. exd5 Rca8 41. dxc6 Qc7 42. Qh8+ Ke7 1-0

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.26"]
[Round "6"]
[White "Szymanowski, Igor"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1639"]
[BlackElo "1447"]
[PlyCount "51"]
[EventDate "2012.07.22"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nf3 Nc6 7. 0-0 Nge7 8. Ng5 Ng6 9. Kh1 Be7 10. Nh3 Nge5 11. f4 Nxd3 12. Qxd3 b6 13. Qg3 Rg8 14. f5 Bb7 15. fxe6 dxe6 16. Ng5 Qd4 17. c3 Qc4 18. Nd2 Qe2 19. Re1 Qh5 20. Nc4 b5 21. Nb6 Rb8 22. Bf4 e5 23. Bxe5 Bxg5 24. Bxb8 Bh4 25. Qc7 Bxe1 26. Qd7+ 1-0

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.25"]
[Round "5"]
[White "Kostecki, Samuel"]
[Black "Czerwinski, Bogumil"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1447"]
[BlackElo "1739"]
[PlyCount "77"]
[EventDate "2012.07.22"]
[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. g3 d5 3. Bg2 e6 4. c4 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 0-0 7. Ngf3 Nc6 8. 0-0 b6 9. Qc2 Bb7 10. Rfd1 Re8 11. e4 dxe4 12. Nxe4 Nb4 13. Nxf6+ Qxf6 14. Qa4 a5 15. a3 Bxf3 16. Bxf3 Qxf3 17. axb4 axb4 18. Qxb4 Qe4 19. c5 Rab8 20. Ra7 bxc5 21. Qxc5 Rxb2 22. Qa3 Qc2 23. Rf1 h6 24. Qa5 Rb6 25. Qa3 Rd6 26. Rc1 Qe4 27. Qe3 Qxd4 28. Qxd4 Rxd4 29. Rcxc7 Rf8 30. h4 h5 31. Re7 Rd5 32. Kg2 Rf5 33. f4 Rc8 34. Rab7 Rc2+ 35. Kf3 Rc3+ 36. Kf2 Ra5 37. Re8+ Kh7 38. Kg2 Ra2+ 39. Kh3 0-1

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.24"]
[Round "4"]
[White "Kindler, Przemyslaw"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1787"]
[BlackElo "1447"]
[PlyCount "67"]
[EventDate "2012.07.22"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bg5 Qa5 8. Bd2 Nc6 9. Nxc6 dxc6 10. a3 Bxc3 11. Bxc3 Qc7 12. Bd3 e5 13. 0-0 c5 14. f4 Bg4 15. Bxe5 Bxd1 16. Bxc7 Ba4 17. e5 Nd7 18. Be4 Rc8 19. Bd6 Bc6 20. Bxc6 Rxc6 21. Rac1 Nb6 22. Rfd1 Nc8 23. Re1 Kd7 24. Bb8 Ke6 25. g4 g6 26. Red1 Nb6 27. Rd6+ Rxd6 28. Bxd6 Rc8 29. b3 Kd7 30. Rc3 Ke8 31. Rh3 Kd7 32. Rxh7 Ke6 33. f5+ gxf5 34. gxf5+ 1-0

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.23"]
[Round "3"]
[White "Kostecki, Samuel"]
[Black "Cichocka, Urszula"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "1447"]
[BlackElo "1723"]
[PlyCount "55"]
[EventDate "2012.07.22"]
[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 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 e3 6. Bc4 Bg7 7. Qd3 c6 8. Qxe3 d5 9. Bd3 0-0 10. Nge2 Na6 11. a3 Re8 12. f4 e6 13. 0-0 b6 14. Nd1 c5 15. c3 Qd6 16. Nf2 Nc7 17. Rac1 Ba6 18. Bxa6 Nxa6 19. Bxf6 Bxf6 20. Ng4 Bg7 21. Rc2 Rac8 22. Rfc1 Nb8 23. g3 Nc6 24. Kg2 Na5 25. Ne5 Bxe5 26. fxe5 Nc4 27. Qd3 Qe7 28. Rf1 1/2-1/2

[Event "Gdansk op 14th"]
[Site "Gdansk"]
[Date "2012.07.22"]
[Round "2"]
[White "Pham, Juliusz"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1714"]
[BlackElo "1447"]
[PlyCount "84"]
[EventDate "2012.07.22"]
[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. c3 d6 3. d4 Nd7 4. Nf3 Qc7 5. Bd3 Ngf6 6. 0-0 g6 7. Na3 a6 8. Re1 e5 9. Nc4 b5 10. Ne3 Bg7 11. a4 b4 12. dxe5 dxe5 13. cxb4 cxb4 14. Bd2 a5 15. Rc1 Qd8 16. Nc4 Qe7 17. Be3 0-0 18. Qc2 Bb7 19. Nb6 Nxb6 20. Bxb6 Rfc8 21. Qe2 Qe6 22. Bc7 Ne8 23. Bc4 Qe7 24. Bb6 Rc6 25. Be3 Rac8 26. Bd3 Nd6 27. h3 Qd7 28. Rcd1 Qc7 29. Nd2 Qe7 30. Nb3 Ra8 31. f3 Bf6 32. Rc1 Bg5 33. Bxg5 Qxg5 34. Kh1 Qe7 35. Bb5 Nxb5 36. Qxb5 Qc7 37. Rc5 Rxc5 38. Nxc5 Bc6 39. Qe2 Qd6 40. Rc1 Rc8 41. Qa6 Ra8 42. Qc4 Rc8 1/2-1/2

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.14"]
[Round "9"]
[White "Koper, Konrad"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1650"]
[BlackElo "1341"]
[PlyCount "85"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bc4 a6 4. a4 Nc6 5. d3 b6 6. f4 Bb7 7. Nf3 Qc7 8. 0-0 0-0-0 9. Be3 Nge7 10. e5 f6 11. Ne4 Nf5 12. Bd2 fxe5 13. fxe5 Nxe5 14. Nxe5 Qxe5 15. Bf4 Qd4+ 16. Kh1 Ne3 17. Bxe3 Qxe3 18. Re1 Qh6 19. Bb3 Be7 20. Qg4 Rhf8 21. Nc3 Bd6 22. h3 Rf4 23. Qe2 Qxh3+ 24. Kg1 Rg4 25. Ne4 Bh2+ 26. Kh1 Qh4 27. Qxg4 Qxg4 28. Kxh2 Kc7 29. Kg1 h5 30. Re3 h4 31. Rae1 Rh8 32. Rh3 Rh6 33. c3 Rg6 34. Rh2 h3 35. Bd1 Qh4 36. Re3 Rxg2+ 37. Rxg2 hxg2 38. Kxg2 Bxe4+ 39. Rxe4 Qg5+ 40. Bg4 Qd2+ 41. Re2 Qxd3 42. Kf2 Qc4 43. a5 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.13"]
[Round "8"]
[White "Kostecki, Samuel"]
[Black "Kowalczuk, Mikolaj"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1341"]
[BlackElo "1932"]
[PlyCount "80"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 Be7 5. Nc3 0-0 6. g3 b6 7. Bg2 Bb7 8. 0-0 cxd4 9. Nxd4 Bxg2 10. Kxg2 a6 11. b3 Qc7 12. Bb2 d6 13. Qf3 Ra7 14. Rac1 Rc8 15. Rc2 Nbd7 16. Qe2 Ne5 17. f4 Nc6 18. Qf3 Nxd4 19. exd4 d5 20. Ne2 Qd7 21. Rfc1 Rac7 22. Qd3 h6 23. Kg1 Ne4 24. Nc3 Nxc3 25. Rxc3 Bf6 26. Kf2 dxc4 27. Rxc4 b5 28. Rxc7 Rxc7 29. Rxc7 Qxc7 30. Qc3 Qd7 31. Ke2 g6 32. h4 h5 33. Qe3 Qc6 34. Kd3 Qg2 35. Bc3 Qxa2 36. b4 Qc4+ 37. Kc2 a5 38. bxa5 b4 39. Kb2 bxc3+ 40. Qxc3 Bxd4 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.12"]
[Round "7"]
[White "Jakubowski, Maciej"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2343"]
[BlackElo "1341"]
[PlyCount "87"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. e4 d5 4. exd5 Qxd5 5. Nf3 Nf6 6. Be3 Nc6 7. Nbd2 Be7 8. Bc4 Qf5 9. Nb3 cxd4 10. Nbxd4 Nxd4 11. Bxd4 Qe4+ 12. Qe2 Bd7 13. 0-0-0 Qxe2 14. Bxe2 Nd5 15. g3 Bf6 16. c4 Nb6 17. Ne5 Bxe5 18. Bxe5 Bc6 19. Rhe1 f6 20. Bd6 0-0-0 21. c5 Nd5 22. Bg4 f5 23. Bh3 Rhe8 24. a3 Nf6 25. Be5 Ne4 26. Bd4 Rd5 27. f3 Nxc5 28. Bxg7 Nd3+ 29. Kc2 Nxe1+ 30. Rxe1 Rc5+ 31. Kb1 Bxf3 32. Bd4 Be4+ 33. Ka2 Rc2 34. Bxa7 Rd8 35. Be3 Rd5 36. Bf1 Bd3 37. Bxd3 Rxd3 38. Bf4 Kd7 39. h4 Rd5 40. Kb1 Rcc5 41. b4 Rc3 42. Kb2 Rdd3 43. Ra1 Rb3+ 44. Kc2 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.11"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Kiwilsza, Piotr"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1341"]
[BlackElo "1758"]
[PlyCount "104"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Qc2 Nf6 4. g3 Bg4 5. Bg2 e6 6. Qb3 b6 7. Nf3 Nbd7 8. Bf4 Be7 9. Nc3 0-0 10. Rc1 Nh5 11. Bd2 Nhf6 12. Bf4 Ne8 13. 0-0 Bd6 14. Bxd6 Nxd6 15. cxd5 cxd5 16. h3 Bh5 17. g4 Bg6 18. Ne5 Nxe5 19. dxe5 Nc4 20. Rfd1 Qc7 21. f4 Qc5+ 22. Kh2 f5 23. Na4 Qe3 24. Qxe3 Nxe3 25. Rd3 Nxg2 26. Kxg2 fxg4 27. Rdc3 gxh3+ 28. Kg3 Be4 29. e3 Bg2 30. Rc7 Rf7 31. Rc8+ Rxc8 32. Rxc8+ Rf8 33. Rc7 Rf7 34. Rc8+ Rf8 35. Rc7 Re8 36. Nc3 Kf8 37. Ne2 Re7 38. Rc8+ Kf7 39. Ng1 Bf1 40. Nxh3 Bxh3 41. Kxh3 Kg6 42. Kg4 h6 43. a4 Rf7 44. Rc6 h5+ 45. Kh4 Kf5 46. Kxh5 g5 47. Kh6 gxf4 48. exf4 Rd7 49. b4 Re7 50. Rc1 d4 51. Rd1 Rd7 52. Rf1 d3 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.10"]
[Round "5"]
[White "Piechowiak, Karolina"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1341"]
[PlyCount "60"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Be2 Nc6 4. d3 Nd4 5. Nf3 Nxe2 6. Qxe2 b6 7. 0-0 Bb7 8. b3 g6 9. Bb2 Bg7 10. Rab1 Nf6 11. h3 a6 12. a4 Qc7 13. Nh2 0-0-0 14. Ng4 Nxg4 15. Qxg4 f5 16. Qg3 Qxg3 17. fxg3 Rhe8 18. exf5 exf5 19. Rbe1 d5 20. Ba1 d4 21. Na2 Be5 22. Kh2 Re7 23. Re2 Rde8 24. Kg1 Bxg3 25. Rxe7 Rxe7 26. b4 Re2 27. Rc1 Rxg2+ 28. Kf1 Rh2 29. bxc5 Bf3 30. Kg1 Rh1# 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.09"]
[Round "4"]
[White "Stoklosa, Stanislaw"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "A44"]
[BlackElo "1341"]
[PlyCount "125"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. c4 Be7 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 Bg5 8. 0-0 Bxc1 9. Qxc1 Na6 10. a3 Ne7 11. Nc3 0-0 12. Nb5 f5 13. Qc2 Nc7 14. Nxc7 Qxc7 15. exf5 Nxf5 16. Be4 g6 17. Bxf5 Rxf5 18. f3 Rb8 19. g4 Rf4 20. Rae1 b5 21. b3 bxc4 22. bxc4 Qa5 23. Rb1 Rbf8 24. Rb3 Qa4 25. Rc3 Qxc2 26. Rxc2 Rxf3 27. Rxf3 Rxf3 28. Ra2 Rc3 29. Kf2 Rxc4 30. g5 Rg4 31. Kf3 Rxg5 32. h4 Rf5+ 33. Kg4 h5+ 34. Kg3 Rf4 35. Rb2 Ra4 36. Rb8+ Kg7 37. Rb7+ Kf6 38. Rb3 Kf5 39. Kf3 Rxh4 40. Rb7 Rh3+ 41. Ke2 Rxa3 42. Rf7+ Kg5 43. Kf2 Rd3 44. Rxa7 Rxd5 45. Ra4 Rd4 46. Ra3 c4 47. Rg3+ Kf5 48. Ke2 Rd3 49. Rg2 e4 50. Rf2+ Rf3 51. Rh2 Kg4 52. Rh1 h4 53. Rg1+ Rg3 54. Rc1 d5 55. Rd1 Rd3 56. Rg1+ Kh3 57. Rh1+ Kg3 58. Rg1+ Kh2 59. Rxg6 Rg3 60. Rh6 h3 61. Kf1 c3 62. Ra6 Rg2 63. Ra1 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.08"]
[Round "3"]
[White "Kostecki, Samuel"]
[Black "Opolski, Wojciech"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1341"]
[BlackElo "1713"]
[PlyCount "68"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Bf4 0-0 6. Qc2 Nc6 7. Nf3 Nb4 8. Qb3 dxc4 9. Qxc4 Nfd5 10. Bd2 b5 11. Qb3 Rb8 12. e4 Bb7 13. exd5 Bxd5 14. Qd1 Nd3+ 15. Kf1 Nxb2 16. Qc2 Nc4 17. Be3 Bf6 18. Nbd2 c5 19. Bf4 Rc8 20. Nxc4 Bxc4+ 21. Kg1 cxd4 22. Qd2 Qb6 23. h4 Rfd8 24. Ne5 Bxe5 25. Bxe5 f6 26. Bf4 e5 27. Bh3 exf4 28. Bxc8 Rxc8 29. Qxf4 Bd5 30. Qf5 Qc6 31. f3 Bxf3 32. Rh2 Be4 33. Qf2 Qc3 34. a4 Qxa1+ 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.07"]
[Round "2"]
[White "Kostecki, Samuel"]
[Black "Wesolowska, Katarzyna"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1341"]
[BlackElo "1739"]
[PlyCount "98"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 Bf5 4. Qb3 Qb6 5. Qxb6 axb6 6. cxd5 cxd5 7. Nc3 e6 8. Nf3 Nc6 9. Bg2 Nf6 10. Bf4 Be7 11. Nb5 Bb4+ 12. Bd2 0-0 13. 0-0 Bxd2 14. Nxd2 Ra4 15. Nb3 Rb4 16. Nd6 Nxd4 17. Nxd4 Rxd4 18. Nxf5 exf5 19. Rfd1 Rxd1+ 20. Rxd1 Rd8 21. Rc1 Ne8 22. Rc3 Kf8 23. e3 Ke7 24. Kf1 Ke6 25. Ke2 Nf6 26. h3 h5 27. Kd3 Ne4 28. Bxe4 dxe4+ 29. Kc2 Rd7 30. Kb3 Ke5 31. Rc2 g5 32. Kb4 f4 33. gxf4+ gxf4 34. Kb5 fxe3 35. fxe3 Rd3 36. Kxb6 Rxe3 37. Kxb7 Rd3 38. b4 e3 39. b5 Rd2 40. Rc7 e2 41. Re7+ Kd6 42. Re3 f5 43. b6 f4 44. Re8 Rxa2 45. Kb8 f3 46. b7 Kd7 47. Re5 f2 48. h4 f1Q 49. Rf5 Rb2 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.06"]
[Round "1"]
[White "Musialkiewicz, Pawel"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "1961"]
[BlackElo "1341"]
[PlyCount "73"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Be7 5. e4 Bg5 6. Bxg5 Qxg5 7. Nf3 Qe7 8. h3 Bd7 9. Be2 f5 10. exf5 Bxf5 11. Qa4+ Bd7 12. Qb3 Bf5 13. Nh4 Nh6 14. g4 Bc8 15. Ng2 Nd7 16. Bd3 Nb6 17. a4 Nd7 18. Ne3 Nb8 19. 0-0-0 Na6 20. Na2 Qc7 21. Qc2 g6 22. Rde1 Bd7 23. f4 0-0-0 24. fxe5 dxe5 25. Nf1 Rde8 26. Re3 Qa5 27. b3 Rhf8 28. Rg1 Nf7 29. Nd2 Re7 30. Qc3 Qxc3+ 31. Nxc3 Nb4 32. Bb1 Rfe8 33. Nce4 Kc7 34. Nxc5 Bc8 35. Nce4 Nd6 36. Nxd6 Kxd6 37. Ne4+ 1-0

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.24"]
[Round "9"]
[White "Kostecki, Samuel"]
[Black "Szczepaniak, Artur"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "1341"]
[BlackElo "1654"]
[PlyCount "74"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Bf4 h6 7. Re1 Nbd7 8. Nbd2 Nd5 9. Be3 Nxe3 10. fxe3 c5 11. c3 Nf6 12. Nb3 Qc7 13. Nfd2 c4 14. Nc1 Ng4 15. Nf1 Qb6 16. b3 d5 17. Bxd5 Qf6 18. Bf3 h5 19. e4 Rd8 20. e3 cxb3 21. axb3 Qb6 22. Qc2 Bd7 23. Nd3 Rac8 24. Nc5 Rxc5 25. dxc5 Qxc5 26. Rac1 Ne5 27. Bg2 Qb6 28. Red1 Bg4 29. Rxd8+ Qxd8 30. h3 Be6 31. Rd1 Qc7 32. Qd2 Kh7 33. c4 Qb6 34. Qc2 Bh6 35. Qc3 Bg7 36. Qc2 Bh6 37. Qc3 Bg7 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.23"]
[Round "8"]
[White "Hoffmann, Piotr"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1771"]
[BlackElo "1341"]
[PlyCount "109"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 c5 4. Ng3 Nc6 5. Nf3 Nf6 6. Bc4 e6 7. a3 Qc7 8. 0-0 Bd7 9. d3 h5 10. h3 Bd6 11. Ne2 Ng4 12. Bg5 f6 13. Bh4 g5 14. Bg3 Bxg3 15. Nxg3 Nge5 16. Nxe5 Nxe5 17. Nxh5 Ke7 18. f4 Nxc4 19. dxc4 gxf4 20. Nxf4 Rhg8 21. Qf3 Qd6 22. Rae1 Kd8 23. Nd3 e5 24. Kf2 f5 25. exf5 e4 26. Qf4 Qxf4+ 27. Nxf4 Bxf5 28. Ke2 e3 29. Kd1 Be4 30. Rg1 Rg3 31. Ne6+ Ke7 32. Nxc5 Bxg2 33. Nd3 Rag8 34. Kc1 Bxh3 35. Rxg3 Rxg3 36. b4 Rf3 37. Ne5 Rf1 38. Rxf1 Bxf1 39. Nf3 d3 40. cxd3 Bxd3 41. c5 b5 42. cxb6 axb6 43. Kb2 b5 44. Kc3 Bf1 45. Kd4 Kd6 46. Kxe3 Kd5 47. Nd4 Bc4 48. Nc2 Bf1 49. Nd4 Bc4 50. Nf3 Bf1 51. Kf2 Bd3 52. Ke3 Bf1 53. Kd2 Kc4 54. Kc2 Bd3+ 55. Kb2 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.22"]
[Round "7"]
[White "Palasz, Michal"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1747"]
[BlackElo "1341"]
[PlyCount "89"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e5 3. b4 a5 4. c3 e4 5. Nd2 axb4 6. cxb4 Nf6 7. e3 b6 8. Nb3 Na6 9. Bxa6 Bxa6 10. Bb2 bxc5 11. Nxc5 Bxc5 12. bxc5 Qa5+ 13. Qd2 Qxc5 14. Bxf6 gxf6 15. Ne2 Bxe2 16. Kxe2 Qb5+ 17. Ke1 Qa5 18. Qxa5 Rxa5 19. Ke2 Ke7 20. Rhd1 Rha8 21. Rd2 Ke6 22. f3 d5 23. Kf2 f5 24. Rb2 R8a6 25. Kg3 Kf6 26. Kf4 exf3 27. Kxf3 Ke5 28. Rb7 Kf6 29. Rc1 Ra7 30. Rc6+ Kg7 31. Rd6 Rxa2 32. Rxa7 Rxa7 33. Kf4 Ra5 34. h4 Ra4+ 35. Kxf5 Rxh4 36. Rxd5 Rh5+ 37. Ke4 Rxd5 38. Kxd5 f5 39. Ke5 Kg6 40. Kf4 Kf6 41. e4 fxe4 42. Kxe4 Kg5 43. Kf3 h5 44. g3 Kf5 45. Kg2 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.21"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Wittig, Zenon"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1341"]
[BlackElo "1631"]
[PlyCount "37"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c6 5. Qc2 Be7 6. Bf4 0-0 7. Nf3 Nbd7 8. Nbd2 dxc4 9. Nxc4 Ne5 10. Bd2 Nfd7 11. 0-0 Nb6 12. Ncxe5 Bd6 13. Rfd1 Qc7 14. Nc4 Be7 15. a3 Bd7 16. Rac1 Bf6 17. e4 Nc8 18. Bf4 Qd8 19. Nd6 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.20"]
[Round "5"]
[White "Wisniewski, Wieslaw"]
[Black "Kostecki, Samuel"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1597"]
[BlackElo "1341"]
[PlyCount "37"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nc6 3. Nf3 e6 4. c4 d5 5. Nc3 Nf6 6. b3 cxd4 7. Nxd4 Bb4 8. Nde2 Ne4 9. Bd2 Nxd2 10. Qxd2 0-0 11. cxd5 Qxd5 12. Qxd5 exd5 13. a3 d4 14. axb4 dxc3 15. Nxc3 Nxb4 16. Rc1 Bf5 17. e4 Be6 18. f3 Rac8 19. Ne2 0-1

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.19"]
[Round "4"]
[White "Kostecki, Samuel"]
[Black "Palasz, Krzysztof"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1341"]
[BlackElo "1734"]
[PlyCount "38"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 c6 4. Qc2 Nf6 5. Nf3 Nbd7 6. Bf4 Bb4+ 7. Nbd2 Nh5 8. Bg5 f6 9. Be3 g6 10. Bh3 Qe7 11. Bh6 dxc4 12. Qxc4 Nb6 13. Qb3 f5 14. 0-0 Bd6 15. Nc4 Nxc4 16. Qxc4 Nf6 17. Ng5 Ng8 18. Bg7 Qxg7 19. Nxe6 Qf7 0-1

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.18"]
[Round "3"]
[White "Kaluzny, Tomasz"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1635"]
[BlackElo "1341"]
[PlyCount "83"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nc6 3. Nf3 e6 4. c3 b6 5. Bd3 Nf6 6. 0-0 Bb7 7. Nbd2 Qc7 8. a3 a5 9. Be2 Ne7 10. b3 Ng6 11. Bb2 Bd6 12. Nc4 Be7 13. Rc1 Ng4 14. Ncd2 Nh4 15. g3 Ng6 16. Ne1 h5 17. Bf3 Nf6 18. Bxb7 Qxb7 19. Qf3 Qxf3 20. Nexf3 d5 21. a4 h4 22. c4 hxg3 23. hxg3 Bd6 24. cxd5 exd5 25. Rfe1 Kd7 26. e4 dxe4 27. Nxe4 Nxe4 28. Rxe4 f6 29. dxc5 Bxc5 30. Bd4 Rac8 31. Rd1 Kc6 32. Bxc5 bxc5 33. Rc4 Kb6 34. Rd6+ Rc6 35. Rxc6+ Kxc6 36. Nd4+ Kd5 37. Nf5 Ne5 38. Ne3+ Kc6 39. Rc3 Rd8 40. Rc2 Rd3 41. Rb2 Nf3+ 42. Kf1 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.17"]
[Round "2"]
[White "Kostecki, Samuel"]
[Black "Warchol, Maria"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1341"]
[BlackElo "1820"]
[PlyCount "89"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 Bf5 4. Qb3 b6 5. Bg2 e6 6. Nf3 Bd6 7. 0-0 Nf6 8. Bg5 Nbd7 9. Nc3 h6 10. Bd2 0-0 11. Rac1 Rc8 12. cxd5 exd5 13. Nh4 Be6 14. Rfe1 Re8 15. a3 Nf8 16. Qa4 c5 17. dxc5 bxc5 18. e3 Rb8 19. Nd1 N6d7 20. Ba5 Qe7 21. Qc2 g6 22. Bc3 c4 23. h3 Nc5 24. Bf1 Ne4 25. Kg2 Qc7 26. Kh2 g5 27. Nf3 Bf5 28. Nd4 Bg6 29. Qe2 Nc5 30. Ra1 Nd3 31. Bg2 Nxe1 32. Qxe1 Nd7 33. Kg1 Nc5 34. Bd2 Be5 35. Bc3 h5 36. Nf3 Bxc3 37. Qxc3 Qc6 38. Nd4 Qd6 39. Nf3 Nb3 40. Ra2 Bb1 41. Ra1 Nxa1 42. Qc1 Qg6 43. Nc3 Nb3 44. Qxb1 Qxb1+ 45. Nxb1 0-1

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.16"]
[Round "1"]
[White "Cholewa, Maria"]
[Black "Kostecki, Samuel"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1857"]
[BlackElo "1341"]
[PlyCount "98"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. Nf3 Nf6 6. d3 d5 7. exd5 Nxd5 8. Ne4 e6 9. 0-0 Be7 10. Re1 Nf6 11. Nc3 0-0 12. Bf4 Bd6 13. Qd2 Qb8 14. Bxd6 Qxd6 15. Nb5 Qd7 16. a3 a6 17. Nc3 Qc7 18. Rad1 Rad8 19. Qc1 Rfe8 20. h3 h6 21. g4 Nd4 22. Nxd4 Rxd4 23. Bxb7 Qxb7 24. Ne2 Rd6 25. Qf4 Red8 26. Qg3 g5 27. h4 Kg7 28. h5 Qd5 29. f3 Nd7 30. Nc3 Qd4+ 31. Kg2 Qf4 32. Qxf4 gxf4 33. Ne4 Rd5 34. Nc3 Rd6 35. Re4 e5 36. Re2 f6 37. Ne4 Rd4 38. Red2 Nf8 39. Nc3 R4d6 40. b4 cxb4 41. axb4 Rc6 42. Ne4 Ne6 43. Ra1 b5 44. c3 Kf7 45. Kf2 Ke7 46. Ke2 Nc7 47. Nc5 Kf7 48. Rda2 Ra8 49. Kd2 Ke7 1/2-1/2

[Event "POL-chT U19 3rd League"]
[Site "Wielkoposka"]
[Date "2011.04.02"]
[Round "6"]
[White "Kostecki, Samuel"]
[Black "Hoffmann, Kacper"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1341"]
[PlyCount "52"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poznan UMKS Na Pieterku U19 II"]
[BlackTeam "Srem LKS Piast U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. g3 Bg7 5. Bg2 0-0 6. Nc3 c5 7. dxc5 dxc5 8. Ne5 Qb6 9. Nc4 Qb4 10. Qd3 Bf5 11. e4 Be6 12. b3 Bxc4 13. bxc4 Nxe4 14. Bxe4 Bxc3+ 15. Bd2 Bxd2+ 16. Qxd2 Qxd2+ 17. Kxd2 Nc6 18. Bxc6 bxc6 19. c3 Rab8 20. Rab1 Rfd8+ 21. Ke3 Kf8 22. Rhd1 Ke8 23. Rxd8+ Rxd8 24. Rb7 Rd7 25. Rb8+ Rd8 26. Rb7 Rd7 1/2-1/2

[Event "POL-chT U19 3rd League"]
[Site "Wielkoposka"]
[Date "2011.02.26"]
[Round "7"]
[White "Gajewski, Bartosz"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1644"]
[BlackElo "1341"]
[PlyCount "75"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zbaszyn MKS Wicher U19"]
[BlackTeam "Poznan UMKS Na Pieterku U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a4 Nf6 6. Nc3 Bb4 7. Bd3 Qc7 8. Bd2 b6 9. 0-0 Bb7 10. Ncb5 Qe5 11. f4 Qc5 12. Bxb4 Qxb4 13. c3 Qe7 14. Nc7+ Kd8 15. Nxa8 Bxa8 16. Qe2 h5 17. f5 e5 18. Nf3 d5 19. Ng5 Nfd7 20. h4 Ke8 21. b4 Nf6 22. Bxa6 dxe4 23. Rad1 Qa7 24. Bb5+ Bc6 25. Bxc6+ Nxc6 26. Qb5 Qc7 27. Qc4 Ng4 28. Qxe4 Rh6 29. Rd3 b5 30. Rd5 Qa7+ 31. Rc5 bxa4 32. f6 Nd8 33. fxg7 Rg6 34. Qxg6 fxg6 35. g8Q+ Ke7 36. Rf7+ Nxf7 37. Qxf7+ Kd8 38. Ne6# 1-0

[Event "POL-chT U19 3rd League"]
[Site "Wielkoposka"]
[Date "2011.02.??"]
[Round "8"]
[White "Kostecki, Samuel"]
[Black "Slavov, Maksymilian"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1341"]
[BlackElo "1732"]
[PlyCount "82"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poznan UMKS Na Pieterku U19 II"]
[BlackTeam "Koscian Tecza U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Bf4 Nbd7 7. Qd2 Re8 8. Rd1 c5 9. 0-0 Rb8 10. Nb5 Qb6 11. a4 a6 12. Nc3 Qd8 13. Bg5 b6 14. e4 Bb7 15. Rfe1 Qc7 16. Bf4 cxd4 17. Na2 e5 18. Bg5 Nxe4 19. Qc1 Nxg5 20. Nxg5 Bxg2 21. Kxg2 Nc5 22. b3 a5 23. Rd2 Bh6 24. f4 exf4 25. gxf4 Qc6+ 26. Kg1 Bxg5 27. fxg5 Re4 28. Ree2 Rbe8 29. Qf1 Qd5 30. Rg2 Re1 31. Rdf2 Rxf1+ 32. Rxf1 Re5 33. Rff2 Ne4 34. Rf3 Nxg5 35. Rfg3 Qe4 36. Rf2 Qe1+ 37. Kg2 Re2 38. Rxg5 Rxf2+ 39. Kh3 Qe3+ 40. Rg3 Qh6+ 41. Kg4 f5# 0-1

[Event "POL-chT U19 3rd League"]
[Site "Wielkoposka"]
[Date "2011.02.??"]
[Round "9"]
[White "Majas, Piotr"]
[Black "Kostecki, Samuel"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1759"]
[BlackElo "1341"]
[PlyCount "73"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kalisz KTS U19"]
[BlackTeam "Poznan UMKS Na Pieterku U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 e6 6. Qb3 Nb6 7. Nf3 Bg7 8. d3 0-0 9. 0-0 N8d7 10. Bg5 Nf6 11. Rac1 Qe7 12. Ne4 Nbd7 13. Rxc7 b6 14. Rfc1 h6 15. Nxf6+ Bxf6 16. Bxh6 Rd8 17. Bd2 Qe8 18. Bg5 b5 19. Bxf6 Nxf6 20. Ne5 Rb8 21. Nc6 Nd5 22. Bxd5 Rxd5 23. Nxb8 Bd7 24. Nxd7 Rxd7 25. Rxd7 Qxd7 26. Qc3 Kh7 27. Qc7 Qe8 28. Qc8 Qe7 29. Rc7 Qf6 30. Qf8 Qg7 31. Rxf7 Qxf7 32. Qxf7+ Kh8 33. h4 a5 34. g4 b4 35. h5 a4 36. hxg6 a3 37. Qh7# 1-0

