[Event "POL-ch blitz"]
[Site "Suwalki"]
[Date "2022.09.24"]
[Round "14"]
[White "Barglowski, Filip"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2321"]
[BlackElo "1841"]
[PlyCount "88"]
[EventDate "2022.09.24"]
[EventType "swiss (blitz)"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6 7. g5 Nfd7 8. Bg2 Be7 9. h4 Qc7 10. Be3 Nc6 11. Nxc6 Qxc6 12. Qe2 b5 13. 0-0-0 Bb7 14. f4 Rc8 15. Bd4 Rg8 16. a3 g6 17. h5 Qc4 18. Qxc4 Rxc4 19. hxg6 hxg6 20. b3 Rc8 21. Kb2 e5 22. Be3 Bc6 23. Nd5 Bxd5 24. Rxd5 Rc6 25. Rhd1 Rh8 26. f5 Rh2 27. R1d2 Nb6 28. f6 Bf8 29. Bxb6 Rxb6 30. R5d3 Rh5 31. Rg3 Rxg5 32. Rxg5 Bh6 33. Rxd6 Rxd6 34. Rxe5+ Kd8 35. Rc5 Rxf6 36. a4 Rf2 37. Bh3 Bg7+ 38. Ka2 b4 39. e5 Re2 40. Rd5+ Ke8 41. e6 fxe6 42. Rd6 Ke7 43. Rxa6 Bc3 44. Ra7+ Kf6 0-1

[Event "POL-ch blitz"]
[Site "Suwalki"]
[Date "2022.09.24"]
[Round "6"]
[White "Grabarczyk, Miroslaw"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2337"]
[BlackElo "1841"]
[PlyCount "53"]
[EventDate "2022.09.24"]
[EventType "swiss (blitz)"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. b3 0-0 7. 0-0 b6 8. Bb2 Ne4 9. Nc3 Nxc3 10. Bxc3 Ba6 11. Nd2 e6 12. e4 dxe4 13. Nxe4 Qc7 14. Qc2 Nd7 15. Rfd1 Rac8 16. a4 Rfd8 17. Rac1 Bb7 18. c5 bxc5 19. dxc5 Be5 20. f4 Bxc3 21. Qxc3 e5 22. Nd6 exf4 23. Nxc8 Bxc8 24. Rd6 Bb7 25. Rcd1 Bc8 26. Qd2 Re8 27. Rxd7 1-0

[Event "POL-ch blitz"]
[Site "Suwalki"]
[Date "2022.09.24"]
[Round "13"]
[White "Kotarski, Bartosz"]
[Black "Bartnik, Michal"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1841"]
[BlackElo "1480"]
[PlyCount "87"]
[EventDate "2022.09.24"]
[EventType "swiss (blitz)"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. 0-0 Bg7 6. c3 Nge7 7. d4 b5 8. Bb3 d6 9. Bg5 h6 10. Be3 0-0 11. Nbd2 Bb7 12. Re1 exd4 13. cxd4 d5 14. e5 Nf5 15. Bc2 Nxe3 16. Rxe3 Ne7 17. Nf1 Bc8 18. Rc1 Be6 19. Ng3 Rc8 20. b4 c6 21. Nh4 a5 22. a3 axb4 23. axb4 Ra8 24. f4 Nc8 25. f5 Qxh4 26. fxe6 fxe6 27. Bxg6 Ne7 28. Bc2 Qf4 29. Rf3 Qh4 30. Qd3 Rxf3 31. gxf3 Qg5 32. f4 Qg4 33. Rf1 h5 34. Qh7+ Kf8 35. Kh1 h4 36. Nh5 Nf5 37. Bxf5 exf5 38. Nxg7 Qxg7 39. Qxf5+ Qf7 40. Qg5 Ra4 41. f5 Rxb4 42. e6 Qe7 43. Qh6+ Kg8 44. Rg1+ 1-0

[Event "POL-ch blitz"]
[Site "Suwalki"]
[Date "2022.09.24"]
[Round "15"]
[White "Kotarski, Bartosz"]
[Black "Budrewicz, Krzysztof"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1841"]
[BlackElo "2192"]
[PlyCount "97"]
[EventDate "2022.09.24"]
[EventType "swiss (blitz)"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qh5 5. Be2 Bg4 6. d3 Nf6 7. Bf4 0-0-0 8. Qc1 e5 9. Bg3 Bc5 10. 0-0 Rhe8 11. Ne4 Nxe4 12. dxe4 Qg6 13. h3 Be6 14. Kh1 f6 15. Bd3 Qh5 16. Ng1 g5 17. Be2 Qg6 18. Bd3 h5 19. Bh2 Nb4 20. a3 Nxd3 21. cxd3 Bb6 22. Qc2 Qf7 23. Qe2 Rd7 24. Rac1 Red8 25. Rc3 Bd4 26. Rc2 Bb3 27. Rcc1 Bb6 28. Rc3 Ba5 29. Rc5 b6 30. Rc6 Rxd3 31. Rfc1 R3d7 32. Qf3 Bd2 33. Rxf6 Qe7 34. Rcc6 Ba4 35. Rce6 Qc5 36. Rxe5 Qc1 37. Ree6 Qxb2 38. e5 Kb8 39. Rf8 Qb3 40. Ree8 Qxf3 41. Rxd8+ Rxd8 42. Rxd8+ Kb7 43. Nxf3 Bc1 44. e6 Bxa3 45. Nxg5 Be7 46. Rg8 Bb3 47. Rg7 Bf6 48. Rxc7+ Ka8 49. Ne4 1-0

[Event "PGNiG POL Cup"]
[Site "Elblag"]
[Date "2022.04.09"]
[Round "2"]
[White "Kotarski, Bartosz"]
[Black "Gumularz, Szymon"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1812"]
[BlackElo "2534"]
[PlyCount "104"]
[EventDate "2022.04.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb3 Qg6 6. Nc3 Bb4 7. Qe2 Bxc3+ 8. bxc3 Nge7 9. g3 0-0 10. Bg2 d6 11. Bf4 f5 12. 0-0 fxe4 13. Bxe4 Bf5 14. Rfe1 Bxe4 15. Qxe4 Qxe4 16. Rxe4 Nd5 17. Bd2 Ne5 18. c4 Nf6 19. Rf4 Nfd7 20. Kg2 Rxf4 21. Bxf4 Nxc4 22. Nd4 a6 23. Re1 Kf7 24. Ne6 Rc8 25. Ng5+ Kg8 26. Re7 Nf8 27. Re4 b5 28. h4 h6 29. Nf3 Kf7 30. Bc1 Re8 31. Rf4+ Kg8 32. Kf1 Ng6 33. Rg4 Kf7 34. h5 Nge5 35. Rf4+ Kg8 36. Nd4 Nd7 37. Nf5 Nce5 38. Bb2 Re6 39. Re4 Nf6 40. Re2 Nxh5 41. Kg2 Kf7 42. Nd4 Re8 43. Bc1 Nf6 44. f3 Nc4 45. Rf2 Re1 46. Ne2 Nd5 47. f4 h5 48. Kf3 g6 49. Rh2 Rf1+ 50. Ke4 Nf6+ 51. Kd3 Rf3+ 52. Kd4 c5# 0-1

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.16"]
[Round "9"]
[White "Kotarski, Bartosz"]
[Black "Dabkus, Roman"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1629"]
[BlackElo "1795"]
[PlyCount "45"]
[EventDate "2014.07.08"]
[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. d4 exd4 3. Nf3 Nc6 4. Bc4 Bc5 5. Ng5 Ne5 6. Nxf7 Bb4+ 7. c3 Bxc3+ 8. bxc3 Nxf7 9. Bxf7+ Kxf7 10. cxd4 d6 11. 0-0 Nf6 12. Nc3 Re8 13. Qb3+ Kf8 14. e5 Be6 15. d5 Nxd5 16. Nxd5 c6 17. Qf3+ Kg8 18. Nf4 Bc4 19. Rd1 Rxe5 20. Bb2 Rf5 21. Qc3 Qf8 22. Qxc4+ d5 23. Nxd5 1-0

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.15"]
[Round "8"]
[White "Kozaczynska, Aleksandra"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "1583"]
[BlackElo "1629"]
[PlyCount "124"]
[EventDate "2014.07.08"]
[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 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. dxc5 Qxc5 8. c3 e5 9. Be3 Qa5 10. Qb3 Be7 11. Be2 0-0 12. 0-0 Qc7 13. Rfd1 Be6 14. Qc2 f5 15. Bb5 f4 16. Bd2 Bc5 17. Ng5 Bf5 18. Bd3 g6 19. Qb3+ Kh8 20. Bxf5 Rxf5 21. Ne4 Bb6 22. Qe6 Qf7 23. Qxf7 Rxf7 24. Be1 Re7 25. Rd5 Kg7 26. Rad1 Rc8 27. Kf1 Nb8 28. b3 Na6 29. f3 Nc5 30. Bh4 Nxe4 31. fxe4 Rf7 32. c4 Bd4 33. Bf2 Bxf2 34. Kxf2 Re7 35. Rd6 b5 36. cxb5 Rc2+ 37. R1d2 Rec7 38. Ke2 R2c3 39. Rd7+ Kf6 40. Rxc7 Rxc7 41. a4 Rc3 42. Rd3 Rc2+ 43. Kf3 Ke6 44. h3 g5 45. g3 h5 46. a5 Rc5 47. b6 Rxa5 48. b4 Ra6 49. bxa7 Rxa7 50. b5 Rb7 51. Rd5 Ra7 52. Rd3 Rd7 53. Rc3 Rb7 54. Rc5 Ra7 55. Rc3 Kd6 56. gxf4 gxf4 57. Rd3+ Kc7 58. Rd5 Ra3+ 59. Kg2 Ra2+ 60. Kf3 Ra3+ 61. Kg2 Re3 62. Kf2 Rxh3 1/2-1/2

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.14"]
[Round "7"]
[White "Sernecki, Franciszek"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "1802"]
[BlackElo "1629"]
[PlyCount "119"]
[EventDate "2014.07.08"]
[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 Qb6 5. Nxc6 bxc6 6. Nc3 g6 7. Bc4 Bg7 8. 0-0 d6 9. Bb3 Nf6 10. Be3 Qc7 11. h3 0-0 12. Qd2 Ba6 13. Rfe1 Rfd8 14. Rad1 c5 15. Bg5 c4 16. Ba4 Qa5 17. b3 cxb3 18. cxb3 Qe5 19. Bxf6 Bxf6 20. Nd5 Rac8 21. Qa5 Bb7 22. Qxa7 Bxd5 23. exd5 Qb2 24. Bc6 Rb8 25. Qa6 Rb4 26. Re2 Qc3 27. Qd3 Qc5 28. Qe3 Qa5 29. Qd2 Qb6 30. Qc2 Rb8 31. Re4 Rxe4 32. Qxe4 Qa6 33. Qc2 Be5 34. g4 Rc8 35. a4 Qa5 36. Qd2 Bc3 37. Qe3 Qb4 38. Rd3 Be5 39. Qd2 Qxd2 40. Rxd2 Bc3 41. Rc2 Ba5 42. Rc4 Rb8 43. Bb5 e6 44. dxe6 fxe6 45. b4 d5 46. Rd4 Bb6 47. Rd1 Kf7 48. Bd3 Bd8 49. Rb1 Ra8 50. a5 Ke7 51. a6 Bb6 52. Rc1 Rf8 53. Rc2 Kd6 54. Bb5 Rb8 55. Rc6+ Ke5 56. Rxb6 Rxb6 57. a7 Rxb5 58. a8Q Rxb4 59. Qh8+ Ke4 60. Qxh7 1-0

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.13"]
[Round "6"]
[White "Kotarski, Bartosz"]
[Black "Vasiliauskas, Domas"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1629"]
[BlackElo "1505"]
[PlyCount "55"]
[EventDate "2014.07.08"]
[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. f3 e6 6. Nc3 Bb4 7. Be3 0-0 8. Be2 a6 9. 0-0 Qc7 10. Nxc6 Qxc6 11. Bd4 d6 12. a3 Bc5 13. Kh1 b5 14. Bxf6 gxf6 15. f4 Bb7 16. Rf3 Kh8 17. Rh3 Rg8 18. Bd3 Bd4 19. Bxb5 axb5 20. Qxd4 e5 21. fxe5 fxe5 22. Qf2 Qc4 23. Qf6+ Rg7 24. Rg3 Rag8 25. Rxg7 Rxg7 26. Qxd6 Bxe4 27. Qb8+ Rg8 28. Qxe5+ 1-0

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.12"]
[Round "5"]
[White "Glapa, Anna"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "1680"]
[BlackElo "1629"]
[PlyCount "100"]
[EventDate "2014.07.08"]
[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 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Ne4 cxd4 7. Nxd4 e5 8. Nxc6 bxc6 9. c4 Qh4 10. Qf3 Bb4+ 11. Bd2 Bxd2+ 12. Nxd2 Ne7 13. g3 Qh6 14. Bg2 0-0 15. Qe2 Qd6 16. 0-0 f5 17. Rad1 Qf6 18. c5 Re8 19. Nb3 Nd5 20. Nd4 Ne7 21. Nxc6 Nxc6 22. Rd6 Nd4 23. Rxd4 Ba6 24. Bd5+ Kh8 25. Rc4 Rad8 26. Rd1 Bxc4 27. Bxc4 Rxd1+ 28. Qxd1 Qc6 29. b4 a5 30. a3 axb4 31. axb4 Qe4 32. Bf7 Rb8 33. b5 Qb7 34. Bc4 Qc7 35. c6 Rd8 36. Qb1 f4 37. Bd3 g5 38. Be4 Qb6 39. Bf3 fxg3 40. hxg3 Rf8 41. Qd3 g4 42. Qd6 Rxf3 43. Qxe5+ Kg8 44. Qe6+ Kf8 45. Qc8+ Ke7 46. Qd7+ Kf6 47. Qd6+ Kg7 48. Qd7+ Rf7 49. Qxg4+ Kf8 50. Qc8+ Kg7 1/2-1/2

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.11"]
[Round "4"]
[White "Kotarski, Bartosz"]
[Black "Widelski, Kacper"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1629"]
[BlackElo "1688"]
[PlyCount "57"]
[EventDate "2014.07.08"]
[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 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. c4 Be7 7. 0-0 a6 8. Be3 b6 9. Nc3 Bb7 10. f4 Nbd7 11. b4 h5 12. h3 Qc7 13. Rc1 Rc8 14. a4 Qb8 15. Nb3 Qa8 16. Nd2 d5 17. e5 Ne4 18. Bxe4 dxe4 19. Qb3 g5 20. Nd1 gxf4 21. Bxf4 Rg8 22. Ne3 Bg5 23. Qd1 Bxf4 24. Rxf4 Nxe5 25. Qxh5 Ng6 26. Rxf7 Kxf7 27. Qh7+ Kf6 28. Ng4+ Kf5 29. Rf1+ 1-0

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.10"]
[Round "3"]
[White "Ziziuk, Martyna"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1418"]
[BlackElo "1629"]
[PlyCount "112"]
[EventDate "2014.07.08"]
[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. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e3 g6 5. d4 Bg7 6. Bd2 0-0 7. Bc4 Nb6 8. Bb3 Nc6 9. Nf3 Bg4 10. h3 Bf5 11. a3 Bd3 12. Bc2 Ba6 13. b4 Bc4 14. Bb3 a6 15. Bxc4 Nxc4 16. Qb3 b5 17. 0-0 e5 18. Rad1 exd4 19. exd4 Nxd4 20. Nxd4 Qxd4 21. Be1 Qe5 22. a4 c6 23. axb5 axb5 24. Na2 Rfd8 25. Rxd8+ Rxd8 26. Bc3 Rd3 27. Bxe5 Rxb3 28. Bxg7 Kxg7 29. g3 Rxb4 30. Rd1 Rb3 31. Rc1 c5 32. Nc3 Nd6 33. Kg2 f5 34. Nd5 Ne4 35. Nf4 Kf6 36. Ne2 b4 37. f3 Nc3 38. Nf4 Rb2+ 39. Kf1 c4 40. Re1 g5 41. Ng2 Rb1 42. Ne3 Rxe1+ 43. Kxe1 b3 44. Nxc4 Na4 45. Kd2 b2 46. Kc2 Ke6 47. Nxb2 Nxb2 48. Kxb2 h5 49. Kc3 Ke5 50. Kd3 Kd5 51. Kc3 Ke5 52. Kd3 Kd5 53. Kc3 Ke5 54. Kd3 Kd6 55. Kd4 Ke6 56. Kc4 Ke5 1/2-1/2

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.09"]
[Round "2"]
[White "Kotarski, Bartosz"]
[Black "Smirnov, Aleksander"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1629"]
[BlackElo "2144"]
[PlyCount "56"]
[EventDate "2014.07.08"]
[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 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7 11. 0-0 0-0 12. Qe2 Qc7 13. Rfe1 f6 14. Qe4 f5 15. Qc4+ Kh8 16. Nxe5 Bd6 17. Ng6+ hxg6 18. Qh4+ Kg8 19. Bc4+ Rf7 20. Re8+ Bf8 21. Rae1 Qd6 22. Bg5 b5 23. Be7 Nxe7 24. R1xe7 bxc4 25. Qxc4 Qxe7 26. Rxe7 Bxe7 27. h3 Bb7 28. Qe6 Rd8 0-1

[Event "Sokolka op 5th"]
[Site "Sokolka"]
[Date "2014.07.08"]
[Round "1"]
[White "Olichwirowicz, Grzegorz"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1629"]
[PlyCount "60"]
[EventDate "2014.07.08"]
[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. Nc3 Nc6 3. Nf3 Nf6 4. Bc4 d6 5. h3 e6 6. 0-0 a6 7. a4 Be7 8. d4 cxd4 9. Nxd4 0-0 10. Bb3 Bd7 11. Bg5 h6 12. Nxc6 Bxc6 13. Bxf6 Bxf6 14. Re1 b5 15. axb5 axb5 16. Rxa8 Qxa8 17. Qxd6 Bxc3 18. bxc3 Bxe4 19. f3 Bf5 20. Qc5 Rc8 21. Qxb5 Qa7+ 22. Kh1 Rxc3 23. Rd1 Qc7 24. Qe8+ Kh7 25. Rd7 Qg3 26. Rd1 Bxh3 27. gxh3 Qxh3+ 28. Kg1 Qg3+ 29. Kf1 Rxf3+ 30. Ke2 Qf2# 0-1

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.29"]
[Round "9"]
[White "Kotarski, Bartosz"]
[Black "Frank, Mateusz"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1590"]
[PlyCount "61"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 h6 5. Nxd4 Bc5 6. Bxf7+ Kxf7 7. Qh5+ Kf8 8. Qxc5+ d6 9. Nxc6 bxc6 10. Qxc6 Bd7 11. Qc4 Nf6 12. Nc3 Ke7 13. Nd5+ Nxd5 14. exd5 Re8 15. 0-0 Kf8 16. Be3 Rb8 17. b3 Kg8 18. Qd4 Rb5 19. Rad1 Bf5 20. c4 Re4 21. Qc3 Qe8 22. Bd4 Qg6 23. f3 Re2 24. Rf2 Rxf2 25. Kxf2 Rb8 26. Re1 Bb1 27. Re7 Bxa2 28. Rxg7+ Qxg7 29. Bxg7 Rxb3 30. Qf6 Rb8 31. Bxh6 1-0

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.29"]
[Round "8"]
[White "Kotarski, Bartosz"]
[Black "Kuczynski, Dariusz"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1590"]
[PlyCount "77"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 Nc6 6. d3 0-0 7. 0-0 Re8 8. a3 e5 9. b4 a6 10. Bb2 Bd7 11. Ng5 Rb8 12. Nge4 Nd4 13. e3 Nf5 14. Nxf6+ Bxf6 15. Nd5 Bg7 16. e4 Nh6 17. f4 c6 18. Ne3 f5 19. Qb3 Kh8 20. fxe5 dxe5 21. exf5 Nxf5 22. Nxf5 Bxf5 23. Be4 Bxe4 24. dxe4 Qc7 25. c5 Rbd8 26. Rf7 Qc8 27. Raf1 Rf8 28. Qe3 Rxf7 29. Rxf7 Qg4 30. Bc3 Qd1+ 31. Kg2 Kg8 32. Rf2 Rd3 33. Qe1 Qxe1 34. Bxe1 Rxa3 35. Bd2 Rd3 36. Kf1 Rd4 37. Re2 Kf7 38. Ke1 Ke6 39. Kf2 1/2-1/2

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.29"]
[Round "7"]
[White "Marcinczyk, Monika"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1438"]
[BlackElo "1590"]
[PlyCount "104"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 Nge7 9. Nb3 0-0 10. Bd3 Ng6 11. Qd2 a5 12. a3 a4 13. Nc1 Qb6 14. Ne2 Na5 15. Qc2 Nb3 16. Rd1 Bd7 17. 0-0 Rac8 18. Qb1 Bb5 19. Rfe1 Bxd3 20. Qxd3 Rc4 21. h4 Ne7 22. Ng5 Nf5 23. g4 h6 24. Nxe6 fxe6 25. gxf5 Rxf5 26. f3 Qd8 27. Ng3 Rxd4 28. Qc3 Rxe5 29. Rxd4 Rxe1+ 30. Kf2 Nxd4 31. Kxe1 Qxh4 32. f4 Qxf4 33. Qc8+ Kh7 34. Qc3 Nf3+ 35. Ke2 Qxg3 36. Qxf3 Qxf3+ 37. Kxf3 Kg6 38. Kf4 Kf6 39. Ke3 e5 40. Kd3 b5 41. Ke3 g5 42. Kf3 Kf5 43. Ke3 g4 44. Kf2 Kf4 45. Ke2 g3 46. Kf1 Kf3 47. b4 axb3 48. a4 bxa4 49. Ke1 Ke3 50. Kd1 a3 51. Kc1 h5 52. Kd1 d4 0-1

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.28"]
[Round "6"]
[White "Kotarski, Bartosz"]
[Black "Onichimiuk, Janusz"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1590"]
[PlyCount "53"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 d6 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Be7 7. Bb5 Bd7 8. Bxc6 bxc6 9. Qf3 Rb8 10. 0-0-0 Bg4 11. Qd3 Qd7 12. f3 Bh5 13. Nf5 0-0 14. e5 Nd5 15. Nxe7+ Nxe7 16. exd6 cxd6 17. Qxd6 Qb7 18. Bxe7 Qxb2+ 19. Kd2 Bg6 20. Ne4 Rb5 21. Qxc6 Qd4+ 22. Ke2 Qe5 23. Bxf8 Bxe4 24. Qxe4 Qg5 25. Bxg7 Qxg2+ 26. Kd3 Qg5 27. Qe8+ 1-0

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.28"]
[Round "4"]
[White "Kotarski, Bartosz"]
[Black "Pytel, Przemyslaw"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1590"]
[BlackElo "1500"]
[PlyCount "59"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f3 b5 8. Qd2 Bb7 9. 0-0-0 Rc8 10. Ndxb5 axb5 11. Nxb5 Qd8 12. Bb6 Qe7 13. Bc5 Qd8 14. Bd6 Nf6 15. g4 h6 16. h4 Nh7 17. g5 h5 18. Qf4 e5 19. Bxe5 Nb4 20. Bc7 Qe7 21. Nd6+ Qxd6 22. Bxd6 Nxc2 23. Kb1 Bxd6 24. Qxd6 Bc6 25. Ba6 Ra8 26. Kxc2 Rxa6 27. Qb8+ Ke7 28. Qxh8 f6 29. Qxg7+ Ke6 30. Qxh7 1-0

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.28"]
[Round "5"]
[White "Stasienko, Lukasz"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1447"]
[BlackElo "1590"]
[PlyCount "88"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 a6 7. 0-0 d6 8. Bf4 Be7 9. Qe2 Nf6 10. e5 Nh5 11. Bg3 d5 12. Bd3 Nxg3 13. fxg3 0-0 14. a3 b5 15. b4 Bb7 16. Rac1 Rc8 17. Bb1 Bg5 18. Rc2 d4 19. Nxg5 Qxg5 20. Ne4 Qxe5 21. Rc5 d3 22. Bxd3 Qd4+ 23. Kh1 Ne5 24. Bc2 Bxe4 25. Qxe4 Qxe4 26. Bxe4 Rxc5 27. bxc5 Rc8 28. Rd1 f5 29. Bb7 Rxc5 30. Bxa6 Kf7 31. Kg1 Rc3 32. Bxb5 Rxa3 33. Be2 Ra2 34. Re1 Kf6 35. Kf1 Rc2 36. Bd1 Rd2 37. Bb3 Rb2 38. Bd1 Nc4 39. g4 f4 40. Re2 Ne3+ 41. Ke1 Nxg2+ 42. Kf2 Ne3 43. Ke1 Nxd1 44. Kxd1 Rxe2 0-1

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.27"]
[Round "2"]
[White "Kotarski, Bartosz"]
[Black "Koruch, Maria"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1590"]
[BlackElo "1371"]
[PlyCount "43"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 d6 8. 0-0 0-0 9. Bg5 Bxc3 10. bxc3 h6 11. Bh4 g5 12. Nxg5 hxg5 13. Bxg5 Kg7 14. f4 Qb6+ 15. Kh1 Nxe4 16. Qh5 Ng3+ 17. hxg3 Rh8 18. Bf6+ Kxf6 19. fxe5+ Kg7 20. Rxf7+ Kg8 21. Rh7+ d5 22. Qf7# 1-0

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.27"]
[Round "1"]
[White "Ocytko, Michal"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1256"]
[BlackElo "1590"]
[PlyCount "118"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. Nf3 Nf6 4. g3 Nc6 5. Bg2 d5 6. Bg5 cxd4 7. Nxd4 Be7 8. Bxf6 Bxf6 9. Nxc6 bxc6 10. 0-0 0-0 11. Nd2 Rb8 12. Rb1 e5 13. Nb3 Qb6 14. e3 Ba6 15. Re1 Bc4 16. Nc1 e4 17. Qc2 a5 18. b3 a4 19. Bf1 axb3 20. axb3 Bxf1 21. Rxf1 Qc5 22. Ne2 Be5 23. Rfc1 Rfe8 24. c4 d4 25. exd4 Bxd4 26. Nxd4 Qxd4 27. Re1 f5 28. Re3 Red8 29. Re2 Qd3 30. Qxd3 Rxd3 31. Re3 Rxe3 32. fxe3 Kf7 33. Kf2 Ke6 34. b4 Kd6 35. Ke2 Kc7 36. Kd2 Rd8+ 37. Ke2 Ra8 38. Rb2 c5 39. Kd2 cxb4 40. Rxb4 Ra2+ 41. Kc3 Rxh2 42. Rb5 g6 43. Kd4 Rd2+ 44. Ke5 Rd3 45. Rc5+ Kb6 46. Rb5+ Kc6 47. Ra5 Rxe3 48. Ra6+ Kc5 49. Ra7 Rxg3 50. Rxh7 e3 51. Kf4 e2 52. Re7 Rg4+ 53. Kf3 Re4 54. Rxe4 fxe4+ 55. Kxe2 Kxc4 56. Ke3 Kd5 57. Kf4 g5+ 58. Kxg5 e3 59. Kf4 e2 0-1

[Event "Bialystok Zamenhof Memorial"]
[Site "Bialystok"]
[Date "2013.12.27"]
[Round "3"]
[White "Stelmaszuk, Maciej"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "1589"]
[BlackElo "1590"]
[PlyCount "96"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. f4 exf4 5. Bxf4 Nf6 6. Nc3 Nbd7 7. Nf3 Nh5 8. Be3 Be7 9. Be2 0-0 10. 0-0 g6 11. Nd2 Ng7 12. Nc4 a6 13. a4 Rb8 14. Bf4 Nb6 15. a5 Nxc4 16. Bxc4 Bf6 17. Na4 Nh5 18. Bd2 Bd4+ 19. Kh1 Qh4 20. Qe1 Qg4 21. Bc3 Nf4 22. g3 Bxc3 23. Nxc3 Nh5 24. b3 Re8 25. Qf2 f5 26. Rae1 Nf6 27. e5 dxe5 28. Qxc5 Nd7 29. Qe3 b5 30. axb6 Nxb6 31. Be2 Qb4 32. Rd1 Bb7 33. Kg1 Nd7 34. Bc4 Kg7 35. Na2 Qd6 36. Nc3 Nf6 37. Qa7 Re7 38. Qf2 Ng4 39. Qf3 Qb6+ 40. Kh1 Ne3 41. Qf2 Ba8 42. Rfe1 Nxc4 43. Qe2 Nd6 44. Qd2 Rd8 45. Na4 Qb5 46. Nc3 Qb4 47. Qg5 Rdd7 48. Kg1 Qxc3 0-1

[Event "Lomza Weekend op 4th"]
[Site "Lomza"]
[Date "2013.01.06"]
[Round "4.2"]
[White "Kotarski, Bartosz"]
[Black "Szulc, Zofia"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1447"]
[BlackElo "1497"]
[PlyCount "88"]
[EventDate "2013.01.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Be7 6. Ne5 Nd7 7. Bb5 Ngf6 8. Ng5 0-0 9. 0-0 Nxe5 10. fxe5 Qd4+ 11. Kh1 Qxe5 12. d3 Nd5 13. Ne4 a6 14. Ba4 b5 15. Bb3 Bb7 16. c3 h6 17. Bc2 Qc7 18. Rf3 f5 19. Ng3 Nf6 20. Rf1 Qc6 21. Qe2 Rae8 22. a4 Bd6 23. Bf4 e5 24. Bd2 e4 25. d4 Bxg3 26. hxg3 cxd4 27. Bb3+ Kh8 28. cxd4 e3 29. Bb4 Nh5 30. Rf3 Qg6 31. Bxf8 Bxf3 32. Qxf3 Rxf8 33. Kh2 f4 34. g4 Ng3 35. Re1 Qd6 36. axb5 axb5 37. Qd5 Qxd5 38. Bxd5 Rd8 39. Bc6 Rxd4 40. Bxb5 Rb4 41. Bd3 Rxb2 42. Rc1 Rb8 43. Kg1 Rd8 44. Bg6 Ne2+ 0-1

[Event "Lomza Weekend op 4th"]
[Site "Lomza"]
[Date "2013.01.06"]
[Round "5.5"]
[White "Zalewski, Andrzej"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1397"]
[BlackElo "1447"]
[PlyCount "72"]
[EventDate "2013.01.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b4 c5 2. b5 e6 3. Bb2 Nf6 4. e3 d5 5. a4 Bd6 6. Nf3 0-0 7. d3 Nbd7 8. Nbd2 a6 9. c4 axb5 10. axb5 Rxa1 11. Qxa1 Qc7 12. h3 b6 13. Be2 Bb7 14. Bc3 e5 15. 0-0 d4 16. exd4 exd4 17. Bb2 Ra8 18. Qb1 Nf8 19. Bc1 Ng6 20. Ng5 Nf4 21. Bf3 h6 22. Nge4 Bxe4 23. Bxe4 Ne2+ 24. Kh1 Nc3 25. Qc2 Re8 26. Nb1 Nfxe4 27. dxe4 Nxe4 28. Qd3 Re6 29. Nd2 Nxd2 30. Bxd2 Bf4 31. Bxf4 Qxf4 32. Kg1 Qe4 33. Rd1 Qxd3 34. Rxd3 Re1+ 35. Kh2 Rc1 36. Kg3 Rc3 0-1

[Event "Lomza Weekend op 4th"]
[Site "Lomza"]
[Date "2013.01.05"]
[Round "2.5"]
[White "Kotarski, Bartosz"]
[Black "Kalinowska, Zuzanna"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1447"]
[BlackElo "1274"]
[PlyCount "85"]
[EventDate "2013.01.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. e5 d5 3. exd6 Bxd6 4. d4 Nf6 5. Bd3 Nc6 6. Nf3 b6 7. 0-0 0-0 8. Nc3 Bb7 9. Bg5 h6 10. Bh4 Be7 11. Re1 Kh8 12. Be4 Nxe4 13. Rxe4 Bf6 14. d5 exd5 15. Nxd5 Bxh4 16. Nxh4 Qd7 17. Qh5 Rae8 18. Nf6 Qd8 19. Rxe8 Rxe8 20. Qxf7 Qxf6 21. Qxe8+ Kh7 22. Qe4+ Kg8 23. Re1 Qf7 24. Ng6 Na5 25. Ne7+ Kh8 26. Qd4 Nc6 27. Nxc6 Bxc6 28. b3 Qg6 29. Qd8+ Kh7 30. Qd3 Qxd3 31. cxd3 Bb5 32. d4 c6 33. Re7 a6 34. Rb7 Kg6 35. Rxb6 Kf5 36. a4 Bd3 37. Rxc6 Ke4 38. b4 Kxd4 39. Rd6+ Kc4 40. Rxd3 Kxd3 41. b5 axb5 42. axb5 Kc4 43. b6 1-0

[Event "Lomza Weekend op 4th"]
[Site "Lomza"]
[Date "2013.01.05"]
[Round "3.3"]
[White "Prazych, Tadeusz"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1556"]
[BlackElo "1447"]
[PlyCount "132"]
[EventDate "2013.01.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Be3 Bf5 6. Nf3 cxd4 7. Nxd4 Rd8 8. Na3 Qa5 9. Nc4 Qc5 10. Qf3 Nxd4 11. Bxd4 Rxd4 12. cxd4 Qb4+ 13. Qc3 e6 14. a3 Qxc3+ 15. bxc3 Nf6 16. Ne5 Bd6 17. f3 Ke7 18. g4 Bg6 19. c4 Rd8 20. c5 Bxe5 21. dxe5 Nd7 22. Rd1 Rc8 23. c6 Nxe5 24. cxb7 Rb8 25. Kf2 Rxb7 26. a4 Rb4 27. Bb5 a6 28. Bxa6 Rxa4 29. Ra1 Rf4 30. Ra3 Be4 31. Be2 g5 32. Kg3 Bd5 33. Rha1 Kf6 34. Ra4 Bxf3 35. Rxf4+ gxf4+ 36. Kxf4 Bxe2 37. g5+ Kg6 38. Kxe5 Kxg5 39. Rg1+ Kh6 40. Kf6 Bh5 41. Rg3 Bg6 42. Rg4 Kh5 43. Rb4 Bf5 44. Kxf7 Kg5 45. Ke7 Bg4 46. Kd6 Kh4 47. Ke5 Kh3 48. Rb2 h5 49. Rf2 h4 50. Kf4 Bf5 51. Kg5 Bb1 52. Rf3+ Kg2 53. Re3 h3 54. Re2+ Kf3 55. Rxe6 Bd3 56. Kh4 Kg2 57. Re3 Bf5 58. Re2+ Kf3 59. Rb2 Be6 60. Rb6 Bd7 61. Rg6 Kf4 62. Rg3 Be6 63. Rxh3 Bxh3 64. Kxh3 Kg5 65. Kg3 Kh5 66. h4 Kg6 1/2-1/2

[Event "Lomza Weekend op 4th"]
[Site "Lomza"]
[Date "2013.01.05"]
[Round "1.1"]
[White "Wojtczak, Miroslaw"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1593"]
[BlackElo "1447"]
[PlyCount "25"]
[EventDate "2013.01.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. c4 e6 3. Nf3 d5 4. Nc3 Nf6 5. Bg5 cxd4 6. Nxd4 e5 7. Bxf6 gxf6 8. Ndb5 d4 9. Nd5 Na6 10. a3 Be6 11. Qa4 Bxd5 12. cxd5 Nc5 13. Nd6+ 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "5.14"]
[White "Czerniawski, Krzysztof"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1696"]
[BlackElo "1449"]
[PlyCount "69"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 e6 3. b3 Be7 4. Bb2 Bf6 5. Nc3 d5 6. d3 Ne7 7. e4 Ng6 8. g3 Nc6 9. Bg2 0-0 10. 0-0 a6 11. Kh1 b5 12. e5 Be7 13. Ne2 Rb8 14. d4 c4 15. Bc1 Qb6 16. g4 Nh4 17. f5 exf5 18. Nxh4 Bxh4 19. gxf5 Ne7 20. f6 gxf6 21. Bh6 Re8 22. Nf4 fxe5 23. Qh5 exf4 24. Bxf4 Ng6 25. Bxb8 Qxb8 26. Rxf7 Kxf7 27. Qxh7+ Kf6 28. Rf1+ Kg5 29. Bxd5 Rh8 30. Qf7 Qd6 31. Qf3 Bg3 32. Kg1 Bxh2+ 33. Kf2 Rf8 34. Bf7 Qxd4+ 35. Qe3+ 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "3.14"]
[White "Klementowski, Dawid"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1734"]
[BlackElo "1449"]
[PlyCount "70"]
[EventDate "2013.04.??"]
[EventType "team-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. c4 Nc6 4. Nc3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. Bd3 Be7 9. 0-0 0-0 10. Qe2 e5 11. h3 Be6 12. Kh1 Qc7 13. f4 exf4 14. Bxf4 Nd7 15. Rac1 Bf6 16. Bb1 Be5 17. a3 a5 18. Ba2 Bxf4 19. Rxf4 d5 20. Rh4 d4 21. Qh5 Nf6 22. Qg5 dxc3 23. Rxc3 Rad8 24. Bb3 Rd4 25. Rg3 g6 26. Re3 Rfd8 27. Re1 a4 28. Bxa4 Rxc4 29. Bb3 Rxe4 30. Rexe4 Nxe4 31. Qh6 Nf6 32. Qe3 Bxb3 33. Qxb3 Qe5 34. Rb4 Ne4 35. a4 Rd1+ 0-1

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "8"]
[White "Kostyra, Stanislaw"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2280"]
[BlackElo "1480"]
[PlyCount "49"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. g4 a6 7. g5 Nfd7 8. Bg2 Be7 9. h4 Nc6 10. Be3 Nce5 11. Qe2 Qc7 12. Rd1 Nc4 13. Bc1 Rb8 14. a4 Nde5 15. f4 Ng6 16. f5 Nf8 17. 0-0 e5 18. Nd5 Qc5 19. b4 Qa7 20. Qxc4 exd4 21. Bb2 b5 22. axb5 axb5 23. Qd3 Qa2 24. Qxd4 Rg8 25. Nxe7 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "6.10"]
[White "Kotarski, Bartosz"]
[Black "Klepek, Witold"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1449"]
[BlackElo "1739"]
[PlyCount "96"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[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 c5 4. dxc5 Bxc5 5. Bd3 Nf6 6. e5 Nfd7 7. Qg4 Kf8 8. Qg3 Nc6 9. Nb3 Ndxe5 10. Be2 Bd6 11. Bf4 Qc7 12. Nh3 f6 13. 0-0 Nf7 14. Rad1 e5 15. Bc1 Be6 16. f4 e4 17. Qh4 f5 18. Ng5 Nxg5 19. fxg5 Ke8 20. Kh1 Kd7 21. c4 Ne7 22. cxd5 Bxd5 23. Bb5+ Kc8 24. Qh3 g6 25. Be3 a6 26. Be2 b6 27. Rc1 Nc6 28. Rfd1 Bxb3 29. axb3 Kb8 30. Bxb6 Qxb6 31. Rxd6 Rc8 32. Qxh7 Ra7 33. Qxg6 Rac7 34. Rf1 Qe3 35. Bxa6 Ne7 36. Rb6+ Ka7 37. Qd6 Qxb6 38. Qxb6+ Kxb6 39. Bxc8 Rxc8 40. g4 Kc5 41. Kg2 Kd4 42. Kg3 e3 43. Rd1+ Ke4 44. Rf1 e2 45. Re1 f4+ 46. Kf2 f3 47. h4 Ng6 48. h5 Ne5 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "2.20"]
[White "Kotarski, Bartosz"]
[Black "Krasinski, Mateusz"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1449"]
[BlackElo "1646"]
[PlyCount "69"]
[EventDate "2013.04.??"]
[EventType "team-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. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. d3 d6 6. Be3 Nd4 7. g3 e6 8. Bg2 Ne7 9. 0-0 0-0 10. h3 Kh8 11. g4 f5 12. Bxd4 cxd4 13. Ne2 Qb6 14. Nd2 Bd7 15. Nc4 Qc5 16. b4 Qxb4 17. Rb1 Qc5 18. Rxb7 Rad8 19. Ng3 Bc8 20. Rxe7 Bf6 21. exf5 Bxe7 22. fxg6 hxg6 23. g5 Rf7 24. h4 Rh7 25. h5 gxh5 26. Be4 Bxg5 27. Bxh7 Bxf4 28. Rxf4 Qg5 29. Qf3 Kxh7 30. Qxh5+ Qxh5 31. Nxh5 Rg8+ 32. Kf2 e5 33. Nf6+ Kg6 34. Nxg8 exf4 35. Ne7+ 1-0

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "3"]
[White "Kotarski, Bartosz"]
[Black "Olszewski, Andrzej"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1480"]
[BlackElo "2222"]
[PlyCount "78"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. d3 e6 7. Nf3 Nge7 8. Be3 Nd4 9. 0-0 0-0 10. Kh1 Bd7 11. h3 Bc6 12. g4 Nxf3 13. Bxf3 f5 14. g5 b5 15. Qe1 b4 16. Nd1 e5 17. Qg3 Qd7 18. Qh4 fxe4 19. dxe4 exf4 20. Bxf4 Rxf4 21. Qxf4 Be5 22. Qg4 Qxg4 23. Bxg4 Bxe4+ 24. Bf3 Rf8 25. Kg2 Bxc2 26. Ne3 Bd3 27. Rf2 Kg7 28. Re1 Nf5 29. Nxf5+ Rxf5 30. Rd2 Bb5 31. Rf2 h6 32. gxh6+ Kxh6 33. Rd2 a5 34. Bd5 c4 35. Be4 Rf4 36. Rd5 Rxe4 37. Rxe4 Bc6 38. Rxa5 Bxe4+ 39. Kf2 c3 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "8.17"]
[White "Kotarski, Bartosz"]
[Black "Slomczewski, Michal"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1449"]
[BlackElo "1541"]
[PlyCount "119"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[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. Bd3 Ngf6 6. Nf3 Nxe4 7. Bxe4 Nf6 8. Bg5 c5 9. 0-0 Be7 10. Bd3 0-0 11. Re1 Qc7 12. dxc5 Qxc5 13. Ne5 Nd5 14. Bxe7 Qxe7 15. c4 Nf6 16. Re3 b6 17. g4 g6 18. Rh3 Bb7 19. g5 Ne4 20. Bxe4 Bxe4 21. Qd2 Bf5 22. Rh6 Rad8 23. Qf4 Rd4 24. Qxd4 Qxg5+ 25. Ng4 Bxg4 26. Qe3 Qxe3 27. fxe3 Bh5 28. Rxh5 gxh5 29. Rd1 Rc8 30. b3 Rc7 31. Kf2 Kg7 32. Kg3 f5 33. Kh4 Kf6 34. Kg3 Ke5 35. Kf3 Rg7 36. a4 Rf7 37. a5 f4 38. Ra1 fxe3+ 39. Kxe3 b5 40. cxb5 Rb7 41. b6 axb6 42. a6 Ra7 43. b4 b5 44. Ra5 Kd6 45. Kd4 e5+ 46. Ke4 h4 47. h3 h6 48. Ra1 Ke6 49. Ra2 Kd6 50. Rg2 h5 51. Rg6+ Kc7 52. Kxe5 Kb8 53. Kd5 Rf7 54. Kc6 Ka7 55. Kxb5 Rf8 56. Ka5 Kb8 57. Kb6 Ka8 58. Rh6 Kb8 59. b5 Ka8 60. Rxh5 1-0

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "1"]
[White "Kotarski, Bartosz"]
[Black "Szczepaniec, Stanislaw"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1480"]
[BlackElo "1972"]
[PlyCount "89"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 Bg7 5. Nf3 e6 6. d3 Nge7 7. Be3 Nd4 8. Bg2 0-0 9. 0-0 d5 10. g4 Nxf3+ 11. Qxf3 d4 12. e5 dxe3 13. Kh1 f6 14. exf6 Bxf6 15. Ne4 Bxb2 16. Rab1 Bd4 17. c3 Nd5 18. cxd4 Rxf4 19. Qg3 Rxf1+ 20. Rxf1 cxd4 21. Qf3 Qe7 22. g5 Bd7 23. Nf6+ Nxf6 24. gxf6 Qf7 25. Qxb7 Re8 26. Qxa7 Bb5 27. Qxd4 e2 28. Re1 Qc7 29. Kg1 Rd8 30. Qe3 Bxd3 31. Qxe6+ Qf7 32. Qb6 Rf8 33. Bf3 Qxa2 34. Qd4 Bc4 35. Kf2 Re8 36. Qd7 Bf7 37. Rxe2 Rxe2+ 38. Bxe2 Qe6 39. Qd4 h5 40. Qf4 Kh7 41. Qg5 Qf5+ 42. Qxf5 gxf5 43. Kg3 Kg6 44. Kf4 h4 45. Bd3 1/2-1/2

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "5"]
[White "Kotarski, Bartosz"]
[Black "Szydlowski, Wiktor"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1480"]
[BlackElo "1801"]
[PlyCount "51"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 Be7 5. Nxd4 Nxd4 6. Qxd4 Bf6 7. e5 Bg5 8. f4 Bh6 9. Qd5 Qe7 10. 0-0 c6 11. Qf3 Qc5+ 12. Be3 Qxc4 13. Nd2 Qd5 14. Ne4 Ne7 15. c4 Qe6 16. Nd6+ Kf8 17. Qh5 Qg6 18. Qh3 f5 19. Bc5 b6 20. Ba3 c5 21. b4 cxb4 22. Bxb4 Nc6 23. Ba3 Kg8 24. c5 Ba6 25. Rf2 Qg4 26. Qb3+ 1-0

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "7"]
[White "Kotarski, Bartosz"]
[Black "Veremeichik, Vladimir"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1480"]
[BlackElo "2340"]
[PlyCount "138"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. g3 d5 4. e5 h5 5. h3 Nc6 6. d3 Bg7 7. Nd2 Nh6 8. Ndf3 d4 9. Bg2 Be6 10. Ng5 Bd5 11. Ne4 f5 12. exf6 exf6 13. Qe2 0-0 14. Kd1 Re8 15. Qf2 c4 16. Nc5 Bxg2 17. Qxg2 Qe7 18. Qd5+ Kh7 19. Bd2 cxd3 20. Nxd3 Rad8 21. Qf3 Qf7 22. g4 Rd5 23. Ne2 Kg8 24. gxh5 Rxh5 25. Ng3 Qd5 26. Qf1 Rh4 27. Be1 Nf7 28. Ne2 Rh6 29. h4 Nd6 30. Ng3 Bf8 31. Bd2 Nf5 32. Nxf5 Qxf5 33. Qg2 Kf7 34. Kc1 a5 35. Qg3 Rc8 36. Qg2 Rh5 37. Rh3 Bd6 38. Qf3 Ne7 39. Kd1 Nd5 40. Rc1 Kg7 41. Rh1 Re8 42. Ra1 Qe4 43. Qxe4 Rxe4 44. Bxa5 Ne3+ 45. Kd2 Rxa5 46. a3 Nc4+ 47. Kc1 Bxf4+ 48. Kb1 Bg3 49. Ka2 Ne3 50. Rh3 Bxh4 51. b4 Rh5 52. Nc5 Re7 53. Rah1 g5 54. Kb3 b6 55. Na4 Re6 56. Nb2 Rh8 57. Nd3 Rc8 58. Rg1 Kf7 59. Rf3 Rc3+ 60. Ka4 Nxc2 61. Rgf1 g4 62. Ne5+ Rxe5 63. Rxc3 b5+ 64. Ka5 dxc3 65. Rc1 Nxa3 66. Rxc3 Nc4+ 67. Ka6 g3 68. Rc1 g2 69. Rg1 Ne3 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "4.9"]
[White "Kotarski, Bartosz"]
[Black "Witczak, Jakub"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1449"]
[BlackElo "1749"]
[PlyCount "54"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. d3 Nf6 5. Bg5 Be7 6. Bg2 0-0 7. e3 Nbd7 8. Nge2 h6 9. Bxf6 Nxf6 10. Qb3 Kh8 11. d4 c6 12. Rd1 Qb6 13. Qc2 Be6 14. c5 Qc7 15. cxd6 Bxd6 16. dxe5 Bxe5 17. f4 Bxc3+ 18. Qxc3 Qb6 19. Nd4 Bd5 20. 0-0 Bxg2 21. Kxg2 Ne4 22. Qc2 Rae8 23. h3 c5 24. Ne2 Rf6 25. Nc3 Nxc3 26. Qxc3 Rfe6 27. Rd7 Qc6+ 0-1

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "4"]
[White "Kozaczynska, Aleksandra"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1575"]
[BlackElo "1480"]
[PlyCount "108"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 a6 6. c4 d6 7. Nc3 Be7 8. Be3 0-0 9. 0-0 Nc6 10. f4 Bd7 11. Kh1 Rc8 12. g4 Nxd4 13. Bxd4 e5 14. fxe5 Bxg4 15. Qd2 dxe5 16. Bxe5 Qd7 17. Bxf6 Bxf6 18. Nd5 Be5 19. Nb6 Qd4 20. Nxc8 Rxc8 21. Qf2 Qd7 22. Rab1 Bh3 23. Rfd1 Bd4 24. Qg3 Bg4 25. Rf1 h5 26. b3 Re8 27. Rbe1 Be5 28. Qe3 Bd4 29. Qg3 Be5 30. Qe3 Bd4 31. Qg5 Bc3 32. Qe3 Bxe1 33. Rxe1 h4 34. Be2 f5 35. Bxg4 fxg4 36. Rf1 g3 37. Qf4 Qe7 38. Kg1 gxh2+ 39. Kxh2 Rd8 40. Rf2 Rd1 41. Qg4 Rd3 42. Qf4 a5 43. Qf5 Qc7+ 44. e5 Rd8 45. Qe6+ Kh8 46. Kh3 Qc5 47. Rf3 Qg1 48. Qf7 Qg5 49. Qf4 Qxf4 50. Rxf4 Kg8 51. Kxh4 Rd2 52. e6 Re2 53. Rf7 b6 54. Re7 Kf8 1/2-1/2

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "2"]
[White "Miakisz, Wojciech"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1627"]
[BlackElo "1480"]
[PlyCount "64"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Bc5 6. Bg2 Qb6 7. e3 Qb4+ 8. Nd2 Bxd4 9. exd4 Nc6 10. a3 Qa5 11. Bxc6 bxc6 12. b4 Qf5 13. 0-0 Qh3 14. Qf3 h5 15. Ne4 Nxe4 16. Qxe4 h4 17. Qf4 Ba6 18. Re1 Bxc4 19. Bd2 Bd5 20. f3 hxg3 21. Qxg3 Qxg3+ 22. hxg3 Bxf3 23. Kf2 Bd5 24. Bf4 Ke7 25. Ke3 Rh2 26. Re2 Rah8 27. Rae1 Bc4 28. Rxh2 Rxh2 29. Rc1 Bb5 30. Rc3 d6 31. Kf3 f6 32. Kg4 Be2+ 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "1.20"]
[White "Nowak, Kamil"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1728"]
[BlackElo "1449"]
[PlyCount "43"]
[EventDate "2013.04.??"]
[EventType "team-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 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Bxc3 8. bxc3 Qc7 9. f4 a6 10. Qg4 0-0 11. c4 Ne7 12. Bd3 f6 13. Bb4 fxe5 14. Bxe7 Rxf4 15. Qh5 g6 16. Bxg6 hxg6 17. Qxg6+ Kh8 18. Bf6+ Rxf6 19. Qxf6+ Kh7 20. Nf3 d6 21. Ng5+ Kg8 22. 0-0 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "9.13"]
[White "Oleszek, Maciej"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1667"]
[BlackElo "1449"]
[PlyCount "145"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. e3 e6 3. c3 Nf6 4. Bd3 cxd4 5. exd4 d6 6. Nf3 Be7 7. 0-0 0-0 8. Bg5 Nc6 9. Qc2 h6 10. Bf4 Nd5 11. Bg3 f5 12. h3 f4 13. Bh2 Kh8 14. Re1 Bd7 15. Nbd2 Rc8 16. Bc4 b5 17. Bxb5 Ncb4 18. Qb3 Bxb5 19. cxb4 Qd7 20. a4 Bc6 21. Re2 Nc7 22. b5 Bd5 23. Qd3 Na8 24. b3 Qc7 25. Nc4 Nb6 26. Nfd2 Rf6 27. Rc1 Qb7 28. f3 Bxc4 29. bxc4 d5 30. c5 Nd7 31. Rce1 Nf8 32. Nb3 Qc7 33. a5 Rg6 34. b6 Qb8 35. Qa6 Rd8 36. c6 Bd6 37. Nc5 e5 38. Nb7 Rc8 39. Nxd6 Rxd6 40. c7 Qxc7 41. Qxa7 Qxa7 42. bxa7 Ra6 43. Rxe5 Rxa7 44. Rxd5 Ng6 45. Rd6 Kh7 46. a6 Rc2 47. Ree6 Rc1+ 48. Kf2 Rc2+ 49. Re2 Rc1 50. Ra2 Rcc7 51. g3 Ne7 52. gxf4 Nf5 53. Rd5 Ne7 54. Rb5 Rd7 55. Ke2 Nd5 56. Kd3 Kg6 57. Raa5 Ne7 58. Rb6+ Kf7 59. Ke4 Nc8 60. Rc6 Ne7 61. Rb6 Nc8 62. Rc6 Ne7 63. Rcc5 Rd6 64. f5 Rdxa6 65. Rxa6 Rxa6 66. Rc7 Ke8 67. Be5 g6 68. fxg6 Nxg6 69. f4 Ra1 70. Rh7 Re1+ 71. Kf5 Ne7+ 72. Ke6 Ng8 73. Ra7 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "7.14"]
[White "Szulc, Filip"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1615"]
[BlackElo "1449"]
[PlyCount "135"]
[EventDate "2013.04.??"]
[EventType "team-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 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 Be7 8. Qd2 0-0 9. 0-0 b5 10. a3 Bb7 11. f3 Nbd7 12. Rad1 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. Rfe1 Bf6 16. Bf1 Ne5 17. Bf4 Ng6 18. Be3 Nh4 19. Qf2 Qc7 20. Bd3 Rfd8 21. c3 e5 22. Nf5 Nxf5 23. Bxf5 Qc4 24. Rxd5 Rxd5 25. Be4 Rad8 26. Bxd5 Rxd5 27. Qe2 Qb3 28. g3 a5 29. Bb6 Bd8 30. Bxd8 Rxd8 31. Qxe5 h6 32. Qe2 Qd5 33. Kf2 h5 34. Qe5 Qc4 35. Re2 h4 36. Qe7 hxg3+ 37. hxg3 Rd1 38. Qe8+ Kh7 39. Qe4+ Qxe4 40. Rxe4 Rd2+ 41. Re2 Rd3 42. Rc2 Kg6 43. Ke2 Rd8 44. c4 Re8+ 45. Kd3 Rd8+ 46. Ke3 bxc4 47. Rxc4 Rb8 48. b4 f6 49. Kd4 Rd8+ 50. Kc3 axb4+ 51. axb4 Ra8 52. Kb3 Kf5 53. b5 Ke5 54. Kb4 Kd5 55. Rc7 g5 56. Rc6 Rf8 57. Rc3 Ra8 58. Rd3+ Ke6 59. b6 Ke5 60. Kb5 Kf5 61. b7 Re8 62. Kb6 g4 63. fxg4+ Kxg4 64. Ka7 Re1 65. b8Q Ra1+ 66. Kb7 Rb1+ 67. Kc8 Rxb8+ 68. Kxb8 1-0

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "6"]
[White "Widelski, Kacper"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1595"]
[BlackElo "1480"]
[PlyCount "100"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 a6 7. Qe2 b5 8. Bd2 Bb7 9. 0-0 Nbd7 10. b4 Be7 11. a4 bxa4 12. Rxa4 Qb6 13. Be3 Qc7 14. Bd2 Nb6 15. Raa1 Qc8 16. Rfb1 0-0 17. h3 Nfd7 18. b5 a5 19. Na4 Bf6 20. Nxb6 Nxb6 21. c3 Qc7 22. Qh5 Nc4 23. Bg5 Bxg5 24. Qxg5 Ne5 25. Qd2 Rfc8 26. Rc1 d5 27. exd5 Bxd5 28. Ra4 Nd7 29. Raa1 Nc5 30. Bc2 Rd8 31. Qe2 e5 32. Nf5 e4 33. Ne3 Bb7 34. Rd1 Qe5 35. c4 Nd3 36. Ra4 Nf4 37. Qf1 Qg5 38. Kh2 Rxd1 39. Qxd1 Rd8 40. Qe1 Nd3 41. Bxd3 exd3 42. Qd2 Bxg2 43. c5 Bf3 44. Ra3 Be2 45. c6 Qxb5 46. Rxa5 Qxc6 47. Rg5 Qf6 48. Rg3 Qxf2+ 49. Rg2 Qf4+ 50. Kh1 Bf3 0-1

[Event "Sokolka op 4th"]
[Site "Sokolka"]
[Date "2013.??.??"]
[Round "9"]
[White "Zoch, Tomasz"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1818"]
[BlackElo "1480"]
[PlyCount "57"]
[EventDate "2013.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 b5 8. Qd2 Bb7 9. g4 h6 10. 0-0-0 Nbd7 11. h4 Ne5 12. Rg1 Rc8 13. g5 hxg5 14. hxg5 Nfd7 15. g6 Qf6 16. gxf7+ Qxf7 17. f4 Nc4 18. Bxc4 Rxc4 19. f5 e5 20. Ne6 Nf6 21. Ng5 Qc7 22. Qd3 b4 23. Ne6 Qc8 24. Nxf8 Rxf8 25. Qxd6 Kf7 26. Rxg7+ Kxg7 27. Qe7+ Rf7 28. Rg1+ Kh8 29. Qxf7 1-0

[Event "Memorial Tadeusz Sadowski"]
[Site "Lomza"]
[Date "2011.03.13"]
[Round "4.4"]
[White "Kotarski, Bartosz"]
[Black "Grochowski, Robert"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1478"]
[BlackElo "1734"]
[PlyCount "86"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bc4 d5 6. Qe2 Be7 7. 0-0 0-0 8. Bb3 Nf6 9. Nc3 Re8 10. d4 Bb4 11. Qd3 b6 12. Bg5 c6 13. Rfe1 Ba6 14. Bxf6 Rxe1+ 15. Rxe1 Qxf6 16. Qe3 Nd7 17. Ne5 Nxe5 18. Qxe5 Qh6 19. Qe3 Qh5 20. a3 Bd6 21. h3 h6 22. a4 Qf5 23. Na2 Bb7 24. c3 a5 25. Nc1 c5 26. Ba2 Bc6 27. b3 Re8 28. Qd2 Rxe1+ 29. Qxe1 Qf4 30. Nd3 Qh2+ 31. Kf1 Qh1+ 32. Ke2 Qxg2 33. dxc5 bxc5 34. Kd2 d4 35. cxd4 cxd4 36. Qc1 Qg5+ 37. Ke2 Qh5+ 38. Ke1 Qf3 39. Bb1 Be4 40. Qc8+ Kh7 41. Kd2 Bf4+ 42. Ke1 Qh1+ 43. Ke2 Bf3# 0-1

[Event "Memorial Tadeusz Sadowski"]
[Site "Lomza"]
[Date "2011.03.13"]
[Round "5.4"]
[White "Prazych, Tadeusz"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1590"]
[BlackElo "1478"]
[PlyCount "101"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Qb3 Nc6 7. Nf3 Bb4+ 8. Bd2 0-0 9. Bxb4 Ndxb4 10. a3 Qa5 11. Nc3 f6 12. Be2 fxe5 13. dxe5 Nd5 14. 0-0 Nf4 15. Qc4 Nxe5 16. Nxe5 Qxe5 17. Bf3 Nh3+ 18. Kh1 Rf4 19. Qb3 Qf5 20. Ne2 Rh4 21. Ng3 Nxf2+ 22. Rxf2 Qf4 23. Raf1 Qxg3 24. h3 Rb8 25. Bg4 Qxf2 26. Rxf2 b6 27. Qg3 Rxg4 28. Qxb8 Rc4 29. Qd6 Rc1+ 30. Kh2 h6 31. Rf8+ Kh7 32. Qd3+ g6 33. Qf3 h5 34. Qf7+ Kh6 35. Qf4+ Kg7 36. Qxc1 Kxf8 37. Qxc8+ Ke7 38. Qc7 Kf6 39. Qxd7 Ke5 40. Qxa7 Ke4 41. Qxb6 Kd3 42. Qxe6 Kc2 43. b4 Kb2 44. b5 Ka1 45. b6 g5 46. b7 g4 47. Qe1+ Ka2 48. b8Q g3+ 49. Kxg3 h4+ 50. Kxh4 Kxa3 51. Qa1# 1-0

[Event "Memorial Tadeusz Sadowski"]
[Site "Lomza"]
[Date "2011.03.12"]
[Round "1.3"]
[White "Kotarski, Bartosz"]
[Black "Hasanov, Sahib"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1478"]
[BlackElo "2054"]
[PlyCount "84"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. Bg5 Qb6 6. Be2 Qxb2 7. Bd2 Qb6 8. Rb1 Qc7 9. 0-0 Nbd7 10. d5 g6 11. dxc6 bxc6 12. Ba6 Nc5 13. Bc4 Ncxe4 14. Nxe4 Nxe4 15. Re1 Bxf3 16. Bxf7+ Kxf7 17. Qxf3+ Nf6 18. Bf4 Qd7 19. Qb3+ Nd5 20. Rbd1 Bg7 21. Re3 Rab8 22. Qc4 Rb4 23. Qe2 Rxf4 24. Rb3 Nc3 25. Qe3 Nxd1 26. Qxf4+ Qf5 27. Qc4+ d5 28. Qe2 Qxf2+ 29. Qxf2+ Nxf2 30. Kxf2 Bd4+ 31. Kf3 e5 32. Rb7+ Ke6 33. Rc7 Rf8+ 34. Kg3 Bf2+ 35. Kh3 h5 36. Rxc6+ Kf5 37. Rc3 e4 38. g3 Bd4 39. Ra3 g5 40. Ra5 g4+ 41. Kg2 Ke5 42. c4 Rf2+ 0-1

[Event "Memorial Tadeusz Sadowski"]
[Site "Lomza"]
[Date "2011.03.12"]
[Round "3.4"]
[White "Kotarski, Bartosz"]
[Black "Zapert, Grzegorz"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1478"]
[PlyCount "107"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Bb4 5. Bf4 Nf6 6. Ne5 0-0 7. e3 Ne4 8. Qb3 a5 9. a3 Bxc3+ 10. bxc3 c5 11. Qxb7 Nd7 12. Qxd7 Qxd7 13. Nxd7 Rfc8 14. Nb6 Nxc3 15. dxc5 Rab8 16. Bxb8 Rxb8 17. cxd5 exd5 18. c6 Rxb6 19. Rc1 Rxc6 20. Kd2 Ne4+ 21. Kd1 Nxf2+ 22. Ke2 Rxc1 23. Kxf2 Bd3 24. g3 g5 25. Kg2 h5 26. Bxd3 Rxh1 27. Kxh1 Kg7 28. Kg2 Kf6 29. Kf3 g4+ 30. Kf4 Ke6 31. Bf5+ Kd6 32. Bxg4 hxg4 33. Kxg4 Ke5 34. Kg5 Ke4 35. h4 Kxe3 36. h5 d4 37. h6 d3 38. h7 d2 39. h8Q d1Q 40. Qe5+ Kf3 41. Qf4+ Kg2 42. Qxf7 Kxg3 43. Qc7+ Kf3 44. Qxa5 Qg1+ 45. Kf6 Qd4+ 46. Qe5 Qxe5+ 47. Kxe5 Ke3 48. Kd5 Kd3 49. Kc5 Kc3 50. a4 Kb3 51. a5 Ka4 52. a6 Ka5 53. a7 Ka6 54. a8Q# 1-0

[Event "Memorial Tadeusz Sadowski"]
[Site "Lomza"]
[Date "2011.03.12"]
[Round "2.4"]
[White "Szwajkowski, Patryk"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1556"]
[BlackElo "1478"]
[PlyCount "89"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb3 Nf6 6. Bd3 d5 7. exd5 Qxd5 8. 0-0 Be7 9. Nc3 Qd8 10. Bg5 Nd5 11. Bxe7 Nxc3 12. Bxd8 Nxd1 13. Raxd1 Nxd8 14. Bb5+ Ke7 15. Rd4 a6 16. Be2 Nc6 17. Rd2 Bd7 18. Rfd1 Rad8 19. Bf3 b6 20. Rd6 Ne5 21. Rxb6 Nc4 22. Rb7 Nxb2 23. Rd4 e5 24. Rd5 Ke6 25. Nc5+ Kf5 26. Be4+ Kg4 27. Nxd7 Na4 28. f3+ Kf4 29. Kf2 Nc3 30. g3+ Kg5 31. Rxe5+ Kh6 32. g4 Nxe4+ 33. Rxe4 Rc8 34. c4 Rc6 35. Ne5 Rf6 36. Nxf7+ Rxf7 37. Rxf7 Rd8 38. h4 Kg6 39. Rf5 h6 40. h5+ Kh7 41. Re7 Rd2+ 42. Kg3 Rxa2 43. Rff7 Rc2 44. Rxg7+ Kh8 45. Rc7 1-0

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.09.02"]
[Round "9.5"]
[White "Szwajkowski, Patryk"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1529"]
[BlackElo "1492"]
[PlyCount "45"]
[EventDate "2010.08.24"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. 0-0 Bxc3 9. exd5 Nxd5 10. bxc3 Nxc3 11. Qg4 Qf6 12. Bg5 Qe5 13. Rfe1 Qc7 14. Bd2 f5 15. Bxf5 Ne5 16. Qg3 Nd5 17. Rxe5 0-0 18. Bxe6+ Bxe6 19. Rxe6 Qxc2 20. Bh6 Rf7 21. f3 Nc3 22. Rae1 Qf5 23. Re8+ 1-0

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.31"]
[Round "8.6"]
[White "Kotarski, Bartosz"]
[Black "Calik, Czeslaw"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1492"]
[PlyCount "51"]
[EventDate "2010.08.24"]
[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 e5 2. Nf3 d6 3. c3 a6 4. d4 Nd7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8 8. Be3 g6 9. Nd2 Be6 10. 0-0-0 Bxa2 11. b3 a5 12. Kb2 Bxb3 13. Nxb3+ Bd6 14. Bc5 Ke7 15. Rd5 f6 16. Bxd6+ cxd6 17. Nxa5 Ra6 18. Bxa6 bxa6 19. Rhd1 Nh6 20. Rxd6 Rb8+ 21. Kc2 Ng4 22. Nc6+ Kf7 23. Rd7+ Kf8 24. Nxb8 Nxf2 25. R1d6 Nxe4 26. Rc6 1-0

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.29"]
[Round "6.2"]
[White "Kotarski, Bartosz"]
[Black "Hasanov, Sahib"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1492"]
[BlackElo "2046"]
[PlyCount "76"]
[EventDate "2010.08.24"]
[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 d6 3. Nf3 a6 4. Nc3 b5 5. a3 Bb7 6. Be3 Nd7 7. d5 cxd5 8. exd5 Ngf6 9. Be2 Nb6 10. Qd3 Nbxd5 11. Nxd5 Nxd5 12. Qb3 Nxe3 13. fxe3 e6 14. a4 Qa5+ 15. Kf2 Bd5 16. c4 Bxc4 17. Bxc4 bxc4 18. Qxc4 Qc5 19. Qe4 d5 20. Qd3 Qb6 21. Rhb1 Bb4 22. h4 0-0 23. Ng5 f5 24. Qe2 f4 25. Kf1 fxe3+ 26. Kg1 h6 27. Nf3 a5 28. Ne5 Rf2 29. Qb5 Qd6 30. Ng4 Qg3 31. Nxf2 Qxf2+ 32. Kh2 Qxh4+ 33. Kg1 Qf2+ 34. Kh2 Bd6+ 35. Kh1 Qh4+ 36. Kg1 Bh2+ 37. Kh1 Bg3+ 38. Kg1 Rf8 0-1

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.29"]
[Round "7.3"]
[White "Mammadov, Vafa"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2141"]
[BlackElo "1492"]
[PlyCount "45"]
[EventDate "2010.08.24"]
[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. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. Na4 Bg7 6. Nf3 Bg4 7. e3 Nb6 8. Nc5 e5 9. h3 Bxf3 10. Qxf3 exd4 11. Nxb7 Qd5 12. Be2 dxe3 13. Qxe3+ Qe5 14. Qxe5+ Bxe5 15. Bf3 N8d7 16. Na5 Rd8 17. Nc6 Rc8 18. Nxa7 Rb8 19. Nc6 Rc8 20. 0-0 Bd6 21. Bh6 f6 22. a4 g5 23. Bh5# 1-0

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.29"]
[Round "5.5"]
[White "Zalewski, Andrzej"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1397"]
[BlackElo "1492"]
[PlyCount "60"]
[EventDate "2010.08.24"]
[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 e6 3. c4 Nc6 4. Nc3 a6 5. b3 Nge7 6. Bb2 Ng6 7. g3 Nge5 8. d3 Be7 9. Bg2 Bf6 10. 0-0 0-0 11. Rb1 Nb4 12. Ne1 Ng6 13. a3 Nc6 14. Nf3 Nd4 15. Ne2 Nxf3+ 16. Bxf3 Bxb2 17. Rxb2 Qf6 18. d4 Qxf3 19. Qc2 cxd4 20. Nxd4 Qf6 21. Qd2 Ne5 22. f4 Nc6 23. Nf3 Rd8 24. Rbb1 d5 25. cxd5 exd5 26. e5 Qe7 27. a4 Qc5+ 28. Kg2 Bf5 29. Rbc1 Qb6 30. Rfe1 Be4 0-1

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.28"]
[Round "3.6"]
[White "Kotarska, Janina"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1492"]
[PlyCount "72"]
[EventDate "2010.08.24"]
[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 e6 3. d3 Nc6 4. Ng5 Nf6 5. Qe2 d5 6. e5 Nd7 7. Qf3 Ncxe5 8. Qg3 Bd6 9. Bf4 h6 10. Nh3 g5 11. Bxe5 Bxe5 12. f4 gxf4 13. Qg7 Bxg7 14. Nxf4 Bxb2 15. Be2 Bxa1 16. 0-0 Be5 17. Nh3 Qc7 18. Na3 Bxh2+ 19. Kh1 Qe5 20. Nf2 Qxe2 21. Nb5 Qxf1+ 22. Kxh2 Qxf2 23. Nc7+ Ke7 24. Nxa8 Kf6 25. Nc7 Qf4+ 26. Kg1 Qxc7 27. c3 Qf4 28. d4 c4 29. a4 Kg5 30. a5 Kg4 31. Kh1 Qf2 32. a6 Nf6 33. axb7 Nh5 34. Kh2 Ng3 35. bxc8Q Qf1 36. Qxh8 Qh1# 0-1

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.28"]
[Round "4.6"]
[White "Kotarski, Bartosz"]
[Black "Skrodzki, Mateusz"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1492"]
[PlyCount "57"]
[EventDate "2010.08.24"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 a6 5. Ba4 b5 6. Bb3 Qe7 7. c3 d6 8. 0-0 Be6 9. Bc2 Qd7 10. Nbd2 Be7 11. Re1 0-0 12. Nf1 Rab8 13. d4 exd4 14. cxd4 Bc4 15. Ng3 b4 16. b3 Bxb3 17. axb3 a5 18. d5 Nd8 19. Rxa5 Nb7 20. e5 Nxa5 21. exf6 Bxf6 22. Qd3 g6 23. Nh5 Qd8 24. Bh6 Re8 25. Rxe8+ Qxe8 26. Nxf6+ Kh8 27. Nxe8 Rxe8 28. Qd4+ Kg8 29. Qg7# 1-0

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.26"]
[Round "2.4"]
[White "Kotarski, Bartosz"]
[Black "Michalak, Robert"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1492"]
[BlackElo "1808"]
[PlyCount "100"]
[EventDate "2010.08.24"]
[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 g6 2. d4 Bg7 3. Nf3 c5 4. d5 d6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Nd7 8. Bg5 Ngf6 9. Bb5 0-0 10. 0-0-0 a6 11. Bc4 Ne5 12. Qe2 b5 13. f4 Nxc4 14. e5 dxe5 15. fxe5 Nh5 16. Qe1 Nxe5 17. d6 f6 18. Nd5 exd6 19. Bh4 Bh6+ 20. Kb1 Nf4 21. Nxf6+ Rxf6 22. Qxe5 dxe5 23. Rxd8+ Rxd8 24. Bxf6 Re8 25. g4 Kf7 26. Bh4 g5 27. Bf2 c4 28. h4 gxh4 29. Rxh4 Kg6 30. a3 Rd8 31. Be3 Rd1+ 32. Ka2 Re1 33. Bc5 Re2 34. c3 Nd3 35. Bd6 Rxb2+ 36. Ka1 Rg2 37. Be7 Bd2 38. Bb4 Nxb4 39. cxb4 e4 40. g5 e3 41. Rh6+ Kxg5 42. Rxh7 Kf4 43. Rf7+ Ke4 44. Kb1 Kd3 45. Rd7+ Kc3 46. Rh7 Kb3 47. Rh1 c3 48. a4 e2 49. axb5 c2+ 50. Ka1 Bc3# 0-1

[Event "Lomza op"]
[Site "Lomza"]
[Date "2010.08.24"]
[Round "1.3"]
[White "Obiedzinski, Pawel"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2033"]
[BlackElo "1492"]
[PlyCount "41"]
[EventDate "2010.08.24"]
[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 e6 3. e5 Nc6 4. c3 Nge7 5. d4 cxd4 6. cxd4 Nd5 7. Nc3 Bb4 8. Bd2 Bxc3 9. bxc3 0-0 10. Bd3 d6 11. Bxh7+ Kxh7 12. Ng5+ Kg6 13. h4 dxe5 14. Qg4 f5 15. h5+ Kf6 16. Nh7+ Kf7 17. Qg6+ Kg8 18. h6 Qc7 19. Nxf8 Nf6 20. h7+ Kh8 21. Qe8 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.07.03"]
[Round "9"]
[White "Tynski, Beniamin"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "D91"]
[BlackElo "1474"]
[PlyCount "93"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bd2 Bf5 7. e3 Nc6 8. Nxd5 e6 9. Nc3 Nxd2 10. Nxd2 e5 11. d5 Nb4 12. Qa4+ c6 13. Qxb4 Qc8 14. e4 Bd7 15. Bd3 c5 16. Qb3 Bh6 17. Qc2 0-0 18. Nf3 Re8 19. g3 a6 20. Bf1 f5 21. Bh3 f4 22. Bxd7 Qxd7 23. Qe2 Re7 24. 0-0 Rf8 25. Rfe1 Qh3 26. Qf1 Qxf1+ 27. Rxf1 fxg3 28. fxg3 Be3+ 29. Kg2 b5 30. cxb5 axb5 31. Nxb5 Rb7 32. a4 Ra8 33. Rfb1 Bd4 34. Nfxd4 cxd4 35. b3 Rc8 36. Rc1 Rf8 37. Rc2 Rb6 38. d6 Rd8 39. Rf1 Ra6 40. Rc7 d3 41. Kf2 Raxd6 42. Nxd6 d2 43. Ke2 Rxd6 44. Kd1 Rd4 45. Rff7 h6 46. Rfd7 Rxd7 47. Rxd7 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.07.02"]
[Round "8"]
[White "Janiszewski, Filip"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1543"]
[BlackElo "1474"]
[PlyCount "118"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Be3 Bb4+ 7. Nd2 Ne5 8. h3 b6 9. f4 Nxd3+ 10. cxd3 Ba6 11. Qb3 Bxd2+ 12. Bxd2 Nxe4 13. dxe4 Qh4+ 14. g3 Qf6 15. Qe3 Bb7 16. Rh2 0-0 17. Bc3 Qg6 18. e5 Bd5 19. Rc1 Rac8 20. g4 Qh6 21. Rhc2 Qh4+ 22. Kf1 f6 23. Bb4 Rxc2 24. Rxc2 Re8 25. exf6 Qxf6 26. Qe5 Qh4 27. Qh5 Qd8 28. b3 Qb8 29. Qe5 Qb7 30. Kg1 Rc8 31. Rxc8+ Qxc8 32. Qe3 a5 33. Qc3 Qb8 34. Ba3 Kf7 35. Bc1 Qb7 36. Nb5 Qa8 37. Nd6+ Ke7 38. Nc8+ Kf7 39. Nxb6 Qa7 40. Be3 Qb7 41. Qc8 Qxc8 42. Nxc8 a4 43. bxa4 Bxa2 44. Nb6 Bb1 45. a5 Bd3 46. Nxd7 Bb5 47. Ne5+ Kf6 48. Bd4 g6 49. Nc6+ Kf7 50. Nb4 Be2 51. a6 Bf3 52. a7 Ke7 53. Kf2 Be4 54. Be5 Kd7 55. Na6 h5 56. gxh5 gxh5 57. Nc7 Kc8 58. a8Q+ Bxa8 59. Nxa8 Kd7 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.07.01"]
[Round "7"]
[White "Kotarski, Bartosz"]
[Black "Pham, Juliusz"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1474"]
[BlackElo "1572"]
[PlyCount "65"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. c3 d6 8. Nbd2 0-0 9. 0-0 Bb7 10. Re1 Re8 11. Nf1 Qd7 12. Ng3 h6 13. Nf5 Rad8 14. Bxh6 gxh6 15. Nxh6+ Kg7 16. Nxf7 Rb8 17. Qd2 Ng8 18. Qg5+ Kh7 19. Qh5+ Kg7 20. Qh8+ Kf8 21. Nh6 Ke7 22. Nxg8+ Kd8 23. Qh4+ Kc8 24. Nf6 Qe7 25. Nxe8 Qxe8 26. Qf6 Nd8 27. d4 exd4 28. Nxd4 Ba8 29. Bd5 Bxd5 30. exd5 Qh5 31. Nc6 Qf7 32. Qxf7 Nxf7 33. Re8+ 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.07.01"]
[Round "6"]
[White "Tylenda, Krzysztof"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "1474"]
[PlyCount "92"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. Qd2 Qb6 8. 0-0-0 Ne5 9. Bh6 Bxh6 10. Qxh6 Nfg4 11. Qd2 c4 12. d4 Nd7 13. h3 Ngf6 14. f4 e5 15. fxe5 dxe5 16. d5 Nc5 17. Qg5 Nfd7 18. Re1 Qb4 19. a3 Qa5 20. Nf3 Na4 21. Nxa4 Qxa4 22. d6 0-0 23. Qh6 f6 24. Qd2 Nb6 25. c3 Be6 26. g4 Nd7 27. Rhf1 Nc5 28. Kb1 Rad8 29. Nh4 Nd3 30. Rd1 Rxd6 31. Qh6 Bf7 32. Qd2 Rb6 33. Ka1 Rxb2 34. Qxb2 Nxb2 35. Kxb2 Qb3+ 36. Ka1 Qxc3+ 37. Kb1 Qxa3 38. Rxf6 c3 39. Rf2 c2+ 40. Rxc2 Bb3 41. Rcd2 Bxd1 42. Rxd1 Qb3+ 43. Kc1 Rc8+ 44. Kd2 Rc2+ 45. Ke1 Qe3+ 46. Kf1 Qf2# 0-1

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.06.29"]
[Round "4"]
[White "Klepek, Witold"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "1474"]
[PlyCount "87"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. Nc3 Bb4 6. e5 Nc6 7. Bb5 Nge7 8. Qa4 0-0 9. Nge2 Qc7 10. 0-0 Bd7 11. Bxc6 Nxc6 12. Nb5 Qb6 13. a3 Be7 14. Be3 Nxe5 15. dxe5 Qxb5 16. Qc2 Rac8 17. Nc3 Qc4 18. Rac1 d4 19. Bxd4 Ba4 20. Qxa4 Qd3 21. Rfd1 Qg6 22. Ne2 Rxc1 23. Rxc1 Qg4 24. Qc4 Bg5 25. Be3 Qh5 26. Bxg5 Qxg5 27. Qf4 Qg6 28. Qg3 Qh6 29. h3 Qd2 30. Qg4 Qxb2 31. Rc3 h6 32. Rg3 Qa1+ 33. Kh2 Qxe5 34. Nf4 g6 35. Nxg6 Qf6 36. Nxf8+ Kxf8 37. Rf3 Qe5+ 38. g3 h5 39. Qf4 Qg7 40. Qd6+ Kg8 41. Qe7 Qg6 42. h4 Qh7 43. Qe8+ Kg7 44. Rxf7+ 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.06.29"]
[Round "5"]
[White "Kotarski, Bartosz"]
[Black "Mulet, Mateusz"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1474"]
[PlyCount "93"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bb2 c4 8. Qg4 g6 9. Nf3 Qa4 10. Rc1 h6 11. h4 Nc6 12. h5 g5 13. Nxg5 hxg5 14. Qxg5 Kf8 15. h6 Nxh6 16. Rxh6 Rxh6 17. Qxh6+ Ke7 18. Qf6+ Ke8 19. Be2 Nd8 20. f4 Qd7 21. Kf2 Qe7 22. Qg7 Kd7 23. Rh1 Kc7 24. Rh6 Bd7 25. Rf6 Be8 26. g4 b5 27. f5 a5 28. Bf3 Kc6 29. g5 Ra7 30. Qh6 Bd7 31. g6 fxg6 32. fxg6 Bc8 33. Bxd5+ Kb6 34. Rf8 a4 35. g7 Qxg7 36. Qxg7 Rxg7 37. Rxd8 Kc7 38. Rxc8+ Kxc8 39. Bxe6+ Kc7 40. Bc1 Re7 41. d5 Kb7 42. Bg5 Re8 43. Bf6 b4 44. cxb4 Rxe6 45. dxe6 Kc7 46. e7 Kd7 47. b5 1-0

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.06.28"]
[Round "2"]
[White "Fukowski, Pawel"]
[Black "Kotarski, Bartosz"]
[Result "1/2-1/2"]
[ECO "E61"]
[BlackElo "1474"]
[PlyCount "67"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bg5 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nf3 Bf5 7. Be2 Ne4 8. Nxe4 Bxe4 9. 0-0 h5 10. Bd3 d5 11. Bxe4 dxe4 12. Ne1 f6 13. d5 Na5 14. Rc1 fxg5 15. b4 Be5 16. f4 exf3 17. Nxf3 Nxc4 18. Rxc4 Bf6 19. Qd3 Rh6 20. e4 Qd6 21. Re1 Be5 22. Nxe5 Qxe5 23. Rec1 Rc8 24. Qc3 Qxc3 25. R1xc3 Kd7 26. Kf2 Rh7 27. Rf3 Kd6 28. Ke3 Ke5 29. Rf2 g4 30. Rf4 e6 31. dxe6 Kxe6 32. Rd4 c6 33. Rd2 Ke5 34. Rd1 1/2-1/2

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.06.28"]
[Round "3"]
[White "Kotarski, Bartosz"]
[Black "Guzik, Jan"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1474"]
[PlyCount "82"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Nxc6 bxc6 9. Qd2 0-0 10. Bh6 Qb6 11. 0-0-0 Rb8 12. Na4 Qb7 13. h4 Nxe4 14. Bxg7 Nxd2 15. Bxf8 Kxf8 16. Rxd2 Qb4 17. b3 Qa3+ 18. Kd1 Qxa2 19. g4 Be6 20. Ke2 Bc4+ 21. Kf2 Bxb3 22. Nc3 Qa5 23. Ne4 Bd5 24. Re2 Bxe4 25. Rxe4 Qc5+ 26. Kg3 Qxc2 27. Rh2 Qd1 28. Be2 Qg1+ 29. Rg2 Qb6 30. Kh3 d5 31. Rf4 Qe3 32. Ra4 Rb2 33. h5 Rxe2 34. Rg3 Qf2 35. g5 gxh5 36. Kh4 d4 37. Rxa7 Qh2+ 38. Rh3 Qf4+ 39. Kxh5 Re5 40. Kh6 Qxg5+ 41. Kxh7 Qg7# 0-1

[Event "Lazy op-B 6th"]
[Site "Lazy"]
[Date "2010.06.27"]
[Round "1"]
[White "Kotarski, Bartosz"]
[Black "Trepkowski, Marek"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1474"]
[PlyCount "75"]
[EventDate "2010.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Bc4 Nb6 6. Bxf7+ Kd7 7. d5 c6 8. dxc6+ Nxc6 9. e6+ Kc8 10. h3 Bf5 11. Nc3 h6 12. Be3 Bh7 13. Nd4 Ne5 14. f4 Nec4 15. Qc1 Nxe3 16. Qxe3 Qc7 17. f5 Kd8 18. Ndb5 Qc6 19. 0-0 a6 20. Nxd6 exd6 21. Rae1 Be7 22. Ne4 Nd5 23. Qd4 Nf6 24. Nxf6 gxf6 25. Qd2 Rc8 26. Qxh6 Qb6+ 27. Kh1 Kc7 28. Qg7 Kb8 29. Bh5 Qc7 30. Re3 b6 31. Rc3 Qb7 32. Rxc8+ Kxc8 33. Qxh8+ Bd8 34. Bf7 Bxf5 35. Rxf5 Kc7 36. Qe8 Qc8 37. e7 Bxe7 38. Qxe7+ 1-0

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.03"]
[Round "6"]
[White "Jablonski, Zenon"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2109"]
[BlackElo "1474"]
[PlyCount "51"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. c4 Nf6 7. Bd3 Bc5 8. e5 Ng8 9. 0-0 Bd4 10. Qe2 Ne7 11. Kh1 Ng6 12. f4 a5 13. Nd2 0-0 14. Nf3 Ba7 15. Ng5 f6 16. Nxh7 f5 17. Ng5 Qxg5 18. fxg5 Bd4 19. Qh5 Nxe5 20. g6 Re8 21. Qh7+ Kf8 22. Bg5 Nxg6 23. Qxg6 d6 24. Rf3 a4 25. Rh3 Bxb2 26. Rh8# 1-0

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.03"]
[Round "5"]
[White "Kotarski, Bartosz"]
[Black "Gorbacz, Filip"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1474"]
[BlackElo "1517"]
[PlyCount "62"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bg5 Be7 6. Nbd2 a6 7. Ba4 h6 8. Bh4 0-0 9. 0-0 Be6 10. c3 Nd7 11. Bxe7 Nxe7 12. Re1 Nb6 13. Bc2 f5 14. d4 exd4 15. cxd4 fxe4 16. Nxe4 Bf5 17. Bb3+ d5 18. Nc5 Rb8 19. Qd2 Rf6 20. Re3 Qf8 21. Rae1 Ng6 22. Nxb7 Be4 23. Nc5 Bxf3 24. gxf3 Nh4 25. Bd1 Nc4 26. Qc3 Nxe3 27. Rxe3 Rg6+ 28. Kh1 Qd6 29. Re5 Rg2 30. f4 Qg6 31. Qe1 Rxh2+ 0-1

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.02"]
[Round "4"]
[White "Chilkiewicz, Piotr"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1611"]
[BlackElo "1474"]
[PlyCount "82"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 e6 3. Bg2 Nc6 4. 0-0 d5 5. d3 Bd6 6. Nbd2 Nge7 7. c4 d4 8. Ne4 0-0 9. Nfg5 h6 10. Nxd6 Qxd6 11. Ne4 Qe5 12. Bf4 Qh5 13. Bd6 Rd8 14. Bf3 Qg6 15. Bxe7 Nxe7 16. Nxc5 Rb8 17. b4 e5 18. Qa4 a6 19. Rab1 Nc6 20. b5 axb5 21. Rxb5 Bh3 22. Rfb1 Ra8 23. Qc2 Ne7 24. Rxb7 Rac8 25. R1b6 Rd6 26. Rxd6 Qxd6 27. Ne4 Qe6 28. Qb3 f5 29. Nd6 Rc5 30. Qb6 e4 31. Qd8+ Kh7 32. Rxe7 Qf6 33. dxe4 d3 34. e5 Rxe5 35. Re8 Re7 36. Rh8+ Kg6 37. Bh5+ Kxh5 38. g4+ fxg4 39. f3 Qa1+ 40. Kf2 Rxe2+ 41. Kg3 Qe5+ 0-1

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.02"]
[Round "3"]
[White "Kotarski, Bartosz"]
[Black "Borawski, Jakub"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1474"]
[BlackElo "1815"]
[PlyCount "98"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bb7 7. Ng5 d5 8. exd5 Nd4 9. c4 Bc5 10. 0-0 Bb6 11. d6 cxd6 12. cxb5 Nxb3 13. Qxb3 Bd5 14. Qa4 0-0 15. Nc3 Bb7 16. Qh4 axb5 17. Nxb5 Ba6 18. Nc3 Bxd3 19. Re1 Bg6 20. Nf3 Qd7 21. Bg5 Ng4 22. Re2 e4 23. Nd2 d5 24. h3 Ne5 25. Rd1 Nd3 26. Nf1 f5 27. b4 d4 28. Nb1 Qa4 29. Rdd2 Nxb4 30. Rb2 Nd5 31. Qg3 d3 32. Re1 f4 33. Bxf4 Nxf4 34. Nc3 Qd4 35. Qe3 Qxc3 36. Rxb6 Nd5 37. Rc1 Nxe3 38. Rxc3 Nxf1 39. Kxf1 Rxa2 40. f3 exf3 41. gxf3 Rxf3+ 42. Kg1 Rf8 43. Rd6 Re8 44. Rc1 d2 45. Rf1 Bh5 46. Rxd2 Rxd2 47. Rc1 Rd1+ 48. Rxd1 Bxd1 49. Kg2 Rf8 0-1

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.01"]
[Round "1"]
[White "Kotarski, Bartosz"]
[Black "Strumilo, Slawomir"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1474"]
[BlackElo "1856"]
[PlyCount "54"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Ng3 d4 8. Nce2 Be7 9. f4 Nc6 10. fxe5 Ng4 11. Bf4 0-0 12. h3 Ngxe5 13. Bxe5 Qa5+ 14. Qd2 Qxe5 15. Qf4 Bb4+ 16. Kd1 Qa5 17. Nf5 Bxf5 18. exf5 Rfd8 19. h4 d3 20. cxd3 Rxd3+ 21. Kc2 Rd2+ 22. Kb3 Qd5+ 23. Qc4 Na5+ 24. Kxb4 Qxc4+ 25. Ka3 Rd3+ 26. b3 Rxb3+ 27. axb3 Qxb3# 0-1

[Event "Bialystok Spring op-B"]
[Site "Bialystok"]
[Date "2010.05.01"]
[Round "2"]
[White "Kotarski, Grzegorz"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1670"]
[BlackElo "1474"]
[PlyCount "60"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bg5 Bg7 4. e4 Nxe4 5. Bf4 c5 6. Qc2 Bxd4 7. Qxe4 Bxb2 8. Be5 Qb6 9. Bd3 d6 10. Bxb2 Qxb2 11. Ne2 Bf5 12. Qd5 Bxd3 13. Qxd3 Qxa1 14. 0-0 Qxa2 15. Nf4 Nc6 16. Qc3 Nd4 17. Kh1 e6 18. Nd2 Qc2 19. Qe3 0-0 20. Nh3 Nf5 21. Qe2 Rfe8 22. g4 Nh4 23. Qe3 d5 24. Qh6 f6 25. Qxh4 Qxd2 26. Qxf6 Qd3 27. Rg1 Qxh3 28. cxd5 exd5 29. Qg5 Qf3+ 30. Rg2 Re1# 0-1

[Event "Ketrzyn op-B 12th"]
[Site "Ketrzyn"]
[Date "2009.12.30"]
[Round "9"]
[White "Snihur, Adam"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1438"]
[PlyCount "14"]
[EventDate "2009.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. a3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Qa5 7. Bg5 Qxg5 0-1

[Event "Ketrzyn op-B 12th"]
[Site "Ketrzyn"]
[Date "2009.12.27"]
[Round "1"]
[White "Socko, Piotr"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1438"]
[PlyCount "25"]
[EventDate "2009.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nc3 Qc7 5. Be3 Nf6 6. d4 cxd4 7. Nxd4 Bb4 8. Nxc6 Bxc3+ 9. bxc3 Qxc6 10. Bd3 Qxc3+ 11. Qd2 Qxa1+ 12. Qd1 Qxd1+ 13. Kxd1 0-1

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.11"]
[Round "9"]
[White "Kotarski, Bartosz"]
[Black "Wojcik, Marta"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "77"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Bxc6 bxc6 6. dxe5 dxe5 7. Nxe5 Qe7 8. Qxd7+ Qxd7 9. Nxd7 Kxd7 10. Nc3 Bb4 11. Bd2 Nf6 12. 0-0-0 Ke6 13. e5 Nd5 14. Nxd5 Bxd2+ 15. Rxd2 cxd5 16. f4 c6 17. Re1 g6 18. g4 Ke7 19. f5 Rab8 20. e6 f6 21. Rg2 g5 22. h4 h6 23. h5 Rb4 24. c3 Rf4 25. Re3 Rb8 26. Rd3 a5 27. Rd4 Rxd4 28. cxd4 Rb4 29. Rc2 Rxd4 30. Rxc6 Rxg4 31. Rc7+ Kd6 32. Rd7+ Kc5 33. Rf7 Re4 34. Rxf6 g4 35. Rxh6 g3 36. Rg6 Rh4 37. e7 Re4 38. f6 Re6 39. Rxg3 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.09"]
[Round "7"]
[White "Tarczykowska, Monika"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1681"]
[PlyCount "47"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Bg2 Bc5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Bf5 7. d4 Nb4 8. e4 exd4 9. exf5 d3 10. 0-0 dxe2 11. Qxe2+ Kf8 12. Bxb7 h5 13. Bxa8 Qxa8 14. Be3 Bxe3 15. fxe3 h4 16. e4 hxg3 17. hxg3 c6 18. a3 Na6 19. Rad1 Nc5 20. Rxd6 Qb8 21. Rfd1 Ne8 22. Qe3 Nxe4 23. Nxe4 Qxb2 24. R6d2 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.08"]
[Round "6"]
[White "Kotarski, Bartosz"]
[Black "Bednarkiewicz, Jakub"]
[Result "0-1"]
[ECO "B75"]
[BlackElo "1593"]
[PlyCount "56"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bd7 7. f3 g6 8. Qd2 Bg7 9. 0-0-0 a6 10. g4 b5 11. Nxc6 Bxc6 12. Qf2 Qc8 13. Bd4 b4 14. Nd5 Bxd5 15. exd5 0-0 16. h4 a5 17. Bb5 a4 18. Bc6 Ra6 19. Qe2 Rxc6 20. dxc6 Qxc6 21. Qxe7 Rc8 22. c3 bxc3 23. Bxf6 cxb2+ 24. Kxb2 a3+ 25. Ka1 d5 26. Bxg7 Kxg7 27. Qe5+ Kg8 28. Qxd5 Qc3+ 0-1

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.07"]
[Round "5"]
[White "Chmura, Krystian"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1604"]
[PlyCount "39"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Ndb5 Nxe4 8. Bd3 Nxc3 9. bxc3 Ba5 10. Bd2 0-0 11. 0-0 a6 12. Nd6 Ne5 13. Bxh7+ Kh8 14. Qh5 Nf3+ 15. gxf3 g6 16. Bxg6+ Kg7 17. Qh6+ Kf6 18. Bg5+ Ke5 19. Bxd8 Rxd8 20. Nxf7+ 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.07"]
[Round "4"]
[White "Kotarski, Bartosz"]
[Black "Rabeda, Grzegorz"]
[Result "1-0"]
[ECO "C14"]
[BlackElo "1604"]
[PlyCount "50"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Bd3 c5 8. Nf3 Qb6 9. b3 Bd7 10. 0-0 cxd4 11. Na4 Qc7 12. Re1 b5 13. Nb2 Bb4 14. Re2 Bc3 15. Rb1 a6 16. a4 0-0 17. Bxh7+ Kxh7 18. Qd3+ f5 19. exf6+ Kh6 20. fxg7 Rg8 21. Ne5 Rxg7 22. Qh3+ Kg5 23. f4+ Kf6 24. Qh6+ Ke7 25. Qxg7+ Kd6 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.06"]
[Round "3"]
[White "Szczepanski, Bogdan"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1473"]
[PlyCount "65"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 b6 8. Bh6 a5 9. Bxg7 Kxg7 10. g4 c5 11. h4 h5 12. Be2 Rh8 13. g5 Nh7 14. f4 e5 15. fxe5 cxd4 16. Qxd4 Nxe5 17. 0-0-0 Be6 18. Nf3 Qc7 19. Nd5 Bxd5 20. exd5 Rhe8 21. Nxe5 Rxe5 22. Bd3 f6 23. gxf6+ Nxf6 24. Rhg1 Ng4 25. Rde1 Qe7 26. Rxe5 Qxe5 27. Qxb6 Rf8 28. Kc2 Rf2+ 29. Kb1 Kh6 30. Bc2 Qh2 31. Rc1 Ne5 32. Qxd6 Qg2 33. Qxe5 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.05"]
[Round "2"]
[White "Witbrodt, Jakub"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1668"]
[PlyCount "61"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. f4 Bd7 10. Bf3 Ng4 11. Bxg4 Bxg4 12. h3 Bd7 13. g4 Nxd4 14. Bxd4 f5 15. Bxg7 Kxg7 16. Qd4+ Kg8 17. gxf5 e5 18. fxe5 dxe5 19. Qd5+ Rf7 20. 0-0-0 Rc8 21. fxg6 hxg6 22. Rhg1 Kg7 23. Qxe5+ Kh7 24. Qd5 Qf6 25. Kb1 Rc6 26. h4 Rb6 27. h5 Qf3 28. hxg6+ Rxg6 29. Rxg6 Kxg6 30. Rg1+ Kh6 31. Qg5+ 1-0

[Event "Kowalewo Pomorskie op-B 16th"]
[Site "Kowalewo Pomorskie"]
[Date "2009.07.04"]
[Round "1"]
[White "Kotarski, Bartosz"]
[Black "Mazalon, Mateusz"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1783"]
[PlyCount "64"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 b5 6. Bd3 Bb7 7. Be3 d6 8. Qd2 Nf6 9. 0-0 b4 10. Nce2 Bxe4 11. Bxe4 Nxe4 12. Qxb4 d5 13. Qb7 Nd7 14. c4 Nd6 15. Qc6 Nxc4 16. Rfe1 Bb4 17. Bg5 Qc8 18. Nc3 0-0 19. a3 Bxc3 20. bxc3 Nde5 21. Qa4 Nd3 22. Re2 Nc5 23. Qc6 Ne4 24. Rxe4 Qxc6 25. Nxc6 dxe4 26. Re1 f6 27. Rxe4 fxg5 28. Rxc4 Rf4 29. Rxf4 gxf4 30. Nd4 e5 31. Ne2 Rb8 32. h3 Rb2 0-1

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.22"]
[Round "11"]
[White "Piechaczek, Dominik"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "35"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 a5 10. Bc4 a4 11. a3 e6 12. g4 d5 13. exd5 Nxd5 14. Nxd5 exd5 15. Ba2 Qf6 16. Rhf1 Be6 17. Bg5 Qxd4 18. Qxd4 0-1

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.21"]
[Round "10"]
[White "Winiarski, Mikolaj"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "53"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bf5 5. g3 Nc6 6. Bg2 Nb4 7. 0-0 Qd7 8. a3 Nc6 9. Re1 Bh3 10. e4 0-0-0 11. Bxh3 Qxh3 12. Ng5 Qd7 13. Nxf7 a6 14. f3 Bg7 15. Nxh8 Bxh8 16. Ne2 e5 17. d5 Nd4 18. Nxd4 exd4 19. Bg5 h6 20. Bxf6 Bxf6 21. Qd2 Be5 22. f4 Bf6 23. Qg2 Qg7 24. e5 dxe5 25. fxe5 Bg5 26. e6 Be3+ 27. Rxe3 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.20"]
[Round "9"]
[White "Kotarski, Bartosz"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "C16"]
[PlyCount "67"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Bxc3+ 5. bxc3 Nc6 6. Nf3 Nge7 7. Bd3 0-0 8. Bxh7+ Kh8 9. Ng5 g6 10. Qg4 Kg7 11. Qf4 Nf5 12. g4 Nce7 13. gxf5 Nxf5 14. h4 Bd7 15. h5 Be8 16. hxg6 Qe7 17. gxf7 Bxf7 18. Bxf5 exf5 19. Nxf7 Kxf7 20. Rh7+ Ke8 21. Rxe7+ Kxe7 22. e6 Kxe6 23. Qe5+ Kd7 24. Qxd5+ Kc8 25. Qe6+ Kb8 26. Rb1 b6 27. Qc6 f4 28. c4 Rd8 29. d5 Rf8 30. d6 cxd6 31. Qxd6+ Kb7 32. Bxf4 Rfd8 33. Qc7+ Ka6 34. Rb3 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.19"]
[Round "8"]
[White "Kotarski, Bartosz"]
[Black "Guzik, Jan"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "143"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. Bd5 Bb7 8. Nxe5 Nxd5 9. exd5 Ne7 10. Qh5 0-0 11. Qh3 d6 12. Nd7 Bc8 13. Nf6+ gxf6 14. Qf3 Ng6 15. d3 Qe7 16. Bh6 Re8 17. Qg3 Bd4 18. c3 Be5 19. f4 Bb7 20. d4 Bxd5 21. dxe5 Kh8 22. f5 Rg8 23. exf6 Qxf6 24. fxg6 Qxg6 25. Qxg6 Rxg6 26. Rf2 Rxh6 27. Nd2 Rg6 28. g3 Rf8 29. Re1 Kg8 30. Re7 c5 31. Ra7 f5 32. Rxa6 f4 33. Nf1 Bc4 34. Kg2 b4 35. Ra4 fxg3 36. Rxf8+ Kxf8 37. Nxg3 Bd5+ 38. Kg1 b3 39. axb3 Bxb3 40. Ra7 Bc2 41. Kg2 Be4+ 42. Kf2 Rf6+ 43. Ke3 Re6 44. Nxe4 d5 45. Rxh7 Rxe4+ 46. Kd3 c4+ 47. Kd2 d4 48. cxd4 Rxd4+ 49. Kc3 Rg4 50. Rc7 Rh4 51. Rxc4 Rh3+ 52. Kd4 Rh4+ 53. Kc5 Rh5+ 54. Kb4 Rxh2 55. Ka3 Rh3+ 56. Rc3 Rxc3+ 57. bxc3 Ke7 58. Kb4 Kd7 59. Kc5 Kc7 60. c4 Kd7 61. Kb6 Kc8 62. c5 Kb8 63. c6 Ka8 64. Kc7 Ka7 65. Kd8 Ka8 66. c7 Ka7 67. c8Q Kb6 68. Qc4 Kb7 69. Qc5 Kb8 70. Qb5+ Ka7 71. Kc7 Ka8 72. Qb7# 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.18"]
[Round "7"]
[White "Gogol, Wiktor"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "84"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bg5 c6 4. Nc3 Qa5 5. Bxf6 exf6 6. a3 Bg7 7. Qa4 Qxa4 8. Nxa4 f5 9. e3 0-0 10. Nf3 f4 11. exf4 Re8+ 12. Be2 Re4 13. g3 Bxd4 14. Nxd4 Rxd4 15. Nc3 d5 16. cxd5 cxd5 17. Rd1 Rxd1+ 18. Nxd1 Bh3 19. g4 Bg2 20. Rg1 Be4 21. Nc3 Nc6 22. Nxe4 dxe4 23. f3 Re8 24. fxe4 Nd4 25. e5 f6 26. Rg2 fxe5 27. fxe5 Rxe5 28. Kd2 Nxe2 29. Rxe2 Rb5 30. Kc3 Rc5+ 31. Kd4 Ra5 32. Re4 Kf7 33. Rf4+ Ke6 34. Re4+ Kd6 35. b4 Rxa3 36. h4 Rh3 37. g5 b5 38. Rf4 Rb3 39. Rf7 Rxb4+ 40. Kd3 Rxh4 41. Rg7 a5 42. Rb7 Kc6 0-1

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.17"]
[Round "6"]
[White "Kotarski, Bartosz"]
[Black "Krasinski, Mateusz"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "60"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. Qd2 Bd7 9. 0-0-0 Nc6 10. h4 Rc8 11. g4 Nxd4 12. Bxd4 e5 13. Be3 Bxg4 14. Rdg1 Bxe2 15. Qxe2 g6 16. f4 exf4 17. Bxf4 Nh5 18. Bg5 Bxg5+ 19. hxg5 Qe7 20. Nd5 Qe5 21. Qf2 0-0 22. Nf6+ Nxf6 23. gxf6 Qxe4 24. Qh2 Qe3+ 25. Kb1 h6 26. Qxh6 Qxh6 27. Rxh6 Rfe8 28. Rgh1 Re1+ 29. Rxe1 g5 30. Reh1 Rxc2 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.17"]
[Round "5"]
[White "Rzeszowski, Dominik"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "55"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Nc6 5. Bg5 Bg7 6. e3 Bf5 7. a3 0-0 8. Be2 Ne4 9. Nxe4 Bxe4 10. 0-0 Na5 11. b4 Bxf3 12. bxa5 Bxe2 13. Qxe2 c5 14. Rfd1 Qxa5 15. Bxe7 Rfe8 16. Bxd6 cxd4 17. Qd3 dxe3 18. Ra2 exf2+ 19. Rxf2 Re1+ 20. Rxe1 Qxe1+ 21. Rf1 Qe6 22. Bg3 Bf8 23. Bf2 Qd6 24. Qe4 Qc6 25. Qd5 Bxa3 26. Qe5 b6 27. Bd4 Bc5 28. Qg7# 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.16"]
[Round "4"]
[White "Kotarski, Bartosz"]
[Black "Roj, Mateusz"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "148"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 f6 4. Bb2 Nc6 5. e3 d6 6. Bc4 Qe7 7. Bxg8 Rxg8 8. Qh5+ g6 9. Qh4 g5 10. Qh6 Rg6 11. Qh5 Be6 12. c3 Qd7 13. h3 Ba5 14. d4 Bf5 15. Nd2 Bd3 16. Ngf3 0-0-0 17. Rd1 Bf5 18. e4 Re8 19. d5 Bxe4 20. Nxe4 Rxe4+ 21. Kf1 Ne5 22. Nxe5 dxe5 23. h4 gxh4 24. Rxh4 Rxh4 25. Qxh4 h6 26. Qh5 Rg8 27. Qxh6 Qb5+ 28. Kg1 Qxb2 29. Qxf6 Rd8 30. Qe6+ Kb8 31. Qe7 Rc8 32. Qxe5 Qxc3 33. Qe4 Bb6 34. d6 cxd6 35. Qd5 Qc5 36. Qf7 Qc2 37. Re1 Qc4 38. Qd7 Qf4 39. Rf1 Rh8 40. Qh3 Rxh3 41. gxh3 d5 42. Kg2 Bc7 43. Re1 Qh2+ 44. Kf1 Qxh3+ 45. Ke2 Bb6 46. Rg1 Qh2 47. Rg8+ Kc7 48. Rg7+ Kc6 49. Rg6+ Kb5 50. a4+ Kxa4 51. Rg4+ Kb5 52. Rg5 Qxf2+ 53. Kd1 Be3 54. Rxd5+ Kc6 55. Rd8 Qd2+ 56. Rxd2 Bxd2 57. Kxd2 Kb5 58. Kc2 a5 59. Kb3 a4+ 60. Ka2 Kb4 61. Kb2 b5 62. Ka2 Kc3 63. Kb1 b4 64. Kc1 a3 65. Kb1 b3 66. Ka1 b2+ 67. Kb1 a2+ 68. Kxa2 Kc2 69. Ka3 b1Q 70. Ka4 Kc3 71. Ka5 Kc4 72. Ka6 Kc5 73. Ka7 Kc6 74. Ka8 Qb7# 0-1

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.15"]
[Round "2"]
[White "Kotarski, Bartosz"]
[Black "Bilczewski, Kacper"]
[Result "0-1"]
[ECO "C64"]
[PlyCount "120"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bxc6 bxc6 8. Re1 Ne7 9. Nf5 0-0 10. Qg4 Nxf5 11. exf5 Qf6 12. Qf3 Qxf5 13. Qxf5 Bxf5 14. Be3 Bxe3 15. Rxe3 Bxc2 16. Nd2 Rfe8 17. Rc3 Ba4 18. b3 Bb5 19. a4 Be2 20. Rxc6 Rac8 21. Rac1 Re7 22. Rxd6 Bg4 23. Ra6 Ra8 24. f3 Be6 25. Rd1 Rd7 26. b4 g6 27. Kf2 Rad8 28. Ke1 Bb3 29. Rb1 Rxd2 30. Rxb3 Rxg2 31. Re3 Rxh2 32. Re2 Rxe2+ 33. Kxe2 Rd4 34. b5 h5 35. Kf2 h4 36. Kg2 g5 37. Rxa7 g4 38. fxg4 Rxg4+ 39. Kh3 Rb4 40. Rxc7 Rxa4 41. b6 Rb4 42. b7 Kg7 43. Kh2 Kf6 44. Kh3 Ke6 45. Rc4 Rb3+ 46. Kxh4 Rxb7 47. Rc5 f5 48. Kg5 Rf7 49. Rc6+ Ke5 50. Ra6 f4 51. Ra5+ Ke4 52. Ra4+ Ke3 53. Ra3+ Kf2 54. Kg4 f3 55. Ra2+ Kg1 56. Ra3 f2 57. Rg3+ Kf1 58. Re3 Rg7+ 59. Kh3 Kg1 60. Re1+ fxe1R 0-1

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.15"]
[Round "3"]
[White "Kozakow, Aleksy"]
[Black "Kotarski, Bartosz"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "100"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. Bb2 g6 4. e3 Bg7 5. c4 0-0 6. d4 Ne4 7. Bd3 Nc5 8. Bc2 Nc6 9. Nc3 Nd7 10. 0-0 Nb6 11. d5 Nb4 12. Bb1 e5 13. a3 Na6 14. e4 c6 15. Ba2 cxd5 16. Nxd5 Nxd5 17. cxd5 Nc5 18. Re1 f5 19. exf5 Bxf5 20. Bb1 e4 21. Nd4 Nd3 22. Bxd3 exd3 23. Nxf5 Bxb2 24. Ra2 Bc3 25. Ne7+ Kh8 26. Re3 Bd4 27. Rxd3 Bxf2+ 28. Rxf2 Qxe7 29. Rdf3 Qg7 30. Rxf8+ Rxf8 31. Rxf8+ Qxf8 32. Qd4+ Qg7 33. Qxa7 Qa1+ 34. Kf2 Qb2+ 35. Kg1 Qd2 36. Qf2 Qxd5 37. Qf8+ Qg8 38. Qxg8+ Kxg8 39. Kf2 Kf7 40. Ke3 Ke6 41. Kd4 b6 42. a4 d5 43. b4 Kd6 44. a5 Kc6 45. axb6 Kxb6 46. Kxd5 Kb5 47. Ke6 Kxb4 48. Kf6 Kc5 49. Kg7 Kd6 50. Kxh7 Ke6 1-0

[Event "POL-ch U10"]
[Site "Leba"]
[Date "2009.03.14"]
[Round "1"]
[White "Kulis, Piotr"]
[Black "Kotarski, Bartosz"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "56"]
[EventDate "2009.03.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Nc3 g6 7. d3 Bg7 8. Bf4 Qb6 9. e5 dxe5 10. Nxe5 Qxb2 11. Qe1 0-0 12. Nxd7 Nxd7 13. Bd2 e6 14. Rb1 Qxc2 15. Qe2 Bxc3 16. Rfd1 Qxa2 17. Rxb7 Qd5 18. Rb5 Bxd2 19. Rxd2 Rfb8 20. Rxb8+ Rxb8 21. Rd1 Qe5 22. Qxe5 Nxe5 23. Kf1 Rb2 24. Ke1 Ng4 25. h3 Nxf2 26. Rc1 Nxd3+ 27. Kd1 Nxc1 28. Kxc1 Rxg2 0-1

