[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "5"]
[White "Goslawski, Michal"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2096"]
[BlackElo "1657"]
[PlyCount "110"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. 0-0 g6 5. c4 Bg7 6. Nc3 Nge7 7. Ne1 d6 8. Nc2 Be6 9. Ne3 0-0 10. Ned5 Qd7 11. d3 Bh3 12. a3 Bxg2 13. Kxg2 Nxd5 14. Nxd5 Ne7 15. e4 Nxd5 16. cxd5 f5 17. b4 cxb4 18. axb4 f4 19. f3 Qb5 20. g4 Qxb4 21. Ba3 Qb6 22. Rb1 Qc7 23. Qb3 Rf7 24. Rfc1 Qd7 25. Qc4 h5 26. h3 Bf6 27. Rb5 hxg4 28. hxg4 Rh7 29. Qb4 Rd8 30. Rb1 b6 31. Rc1 Kg7 32. Rg1 Rdh8 33. Kf2 Rh2+ 34. Rg2 Qc7 35. Qb2 Bh4+ 36. Kg1 Rxg2+ 37. Kxg2 Bg3 38. Qb3 Rh2+ 39. Kf1 Kf6 40. Qb4 Rf2+ 41. Kg1 Kg5 42. Qxd6 Qxd6 43. Bxd6 Rxf3 44. Bxe5 Rxd3 45. d6 Kxg4 46. Bf6 Kf3 47. Rb1 Rxd6 48. e5 Re6 49. Rb3+ Kg4 50. Kg2 g5 51. Rd3 Kf5 52. Rd7 a5 53. Rf7 g4 54. Bh4+ Ke4 55. Bxg3 fxg3 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "6"]
[White "Kowalski, Witold"]
[Black "Kopczynski, Michal"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1657"]
[BlackElo "2225"]
[PlyCount "44"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. g4 a5 14. a3 b4 15. axb4 axb4 16. Na2 Be6 17. Bxe6 fxe6 18. g5 Qa5 19. gxf6 Qxa2 20. Qe3 b3 21. c4 Rxc4+ 22. Bc3 Bxf6 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "3"]
[White "Malicka, Maria"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2218"]
[BlackElo "1657"]
[PlyCount "63"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 b5 8. Nxc6 dxc6 9. Qf3 e5 10. 0-0-0 Be6 11. Kb1 Bb4 12. Bd2 Nf6 13. Rg1 a5 14. g5 Nd7 15. Nd5 cxd5 16. exd5 Qb7 17. Bg2 Bxd5 18. Qxd5 Qxd5 19. Bxd5 Rc8 20. Bxb4 axb4 21. Bxf7+ Ke7 22. Bh5 Rhf8 23. f3 Rc4 24. Bg4 Nc5 25. Rge1 e4 26. fxe4 Rf2 27. Re2 Rxe2 28. Bxe2 Rxe4 29. Bxb5 Re5 30. h4 Kf7 31. Bd3 Rd5 32. Bc4 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "1"]
[White "Bartel, Michal"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2252"]
[BlackElo "1657"]
[PlyCount "43"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. g3 Nc6 4. Bg2 d6 5. 0-0 g6 6. c3 Bg7 7. d4 e5 8. Be3 cxd4 9. cxd4 Nf6 10. h3 0-0 11. Nbc3 a6 12. Rc1 exd4 13. Nxd4 Ne5 14. b3 Bd7 15. f4 Nc6 16. Qd2 Re8 17. Rfd1 Qe7 18. g4 Nxd4 19. Bxd4 Bc6 20. Re1 Qc7 21. Nd5 Qb8 22. Nxf6+ 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "8"]
[White "Kokoszczynski, Jan"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2247"]
[BlackElo "1492"]
[PlyCount "61"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Nc3 a6 7. Bd3 e6 8. Rc1 Bd6 9. Bxd6 Qxd6 10. f4 Bd7 11. Nf3 0-0 12. 0-0 Rac8 13. Ne5 Rfd8 14. Qf3 Qe7 15. g4 Be8 16. Qh3 g6 17. g5 Nh5 18. Be2 Nxe5 19. dxe5 Ng7 20. Bd3 d4 21. Ne4 Nh5 22. Be2 Bc6 23. Rxc6 Rxc6 24. Bxh5 Qb4 25. Nf6+ Kf8 26. Bf3 Rc2 27. Rd1 Rd2 28. Rc1 Qxb2 29. Qh6+ Ke7 30. Rc7+ Rd7 31. Rxd7# 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "9"]
[White "Kowalski, Witold"]
[Black "Pires, Emanuel Joao Robart"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1492"]
[BlackElo "1994"]
[PlyCount "135"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Bxe7 Qxe7 8. Nf3 a6 9. Be2 c5 10. dxc5 Nc6 11. Na4 Nxc5 12. Nxc5 Qxc5 13. c3 b5 14. Qd2 Bb7 15. Qf4 Rd8 16. Nd4 b4 17. Nxc6 Bxc6 18. Qxb4 Qxb4 19. cxb4 Rb8 20. Bxa6 Rxb4 21. Rc1 Kd7 22. Rc2 Re4+ 23. Re2 Ra4 24. Bd3 Rxa2 25. 0-0 Rb8 26. Rb1 Rb3 27. Bc2 Rb4 28. g3 d4 29. Bd3 Bd5 30. f4 Rb3 31. Rd2 g5 32. hxg5 hxg5 33. Kf2 gxf4 34. gxf4 Ke7 35. Be2 Be4 36. Re1 Rbxb2 37. Rxd4 Bc6 38. Ke3 Rb3+ 39. Bd3 Raa3 40. Rd1 Bb5 41. Ke4 Bc6+ 42. Ke3 Rb2 43. Rd2 Rbb3 44. Ke2 Kf8 45. Ke3 Kg7 46. Ke2 Rxd3 47. R2xd3 Bb5 48. Ke3 Bxd3 49. Rxd3 Ra1 50. Kf3 Kg6 51. Rd7 Rf1+ 52. Ke4 Re1+ 53. Kf3 Ra1 54. Ke4 Ra4+ 55. Kf3 Ra8 56. Kg4 Rf8 57. Rd6 Rg8 58. f5+ Kh7+ 59. Kf4 Re8 60. fxe6 fxe6 61. Kg5 Rg8+ 62. Kf6 Rg6+ 63. Ke7 Kg7 64. Rxe6 Rg5 65. Kd6 Kf7 66. Re7+ Kf8 67. Ra7 Rg1 68. Ke6 0-1

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "7"]
[White "Kowalski, Witold"]
[Black "Redzisz, Michal"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1492"]
[BlackElo "2269"]
[PlyCount "89"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c3 d5 6. d4 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. h3 Bh5 10. Nbd2 Nf6 11. Re1 c6 12. Nf1 h6 13. Ne3 Re8 14. Bd2 Nbd7 15. Nf5 Bc7 16. Ng3 Bg6 17. Qc2 Bxd3 18. Qxd3 Bxg3 19. fxg3 Ne4 20. g4 Qc7 21. Nh4 Re6 22. Re3 Rae8 23. Rae1 Nf8 24. Nf5 Ng6 25. R3e2 Ne7 26. Bc1 Nxf5 27. gxf5 Rf6 28. Rf1 g6 29. Bf4 Qd7 30. fxg6 Rxg6 31. Qf3 Kh7 32. Be5 Reg8 33. Qxf7+ Qxf7 34. Rxf7+ R8g7 35. Bxg7 Rxg7 36. Rxg7+ Kxg7 37. Re3 Kg6 38. g3 Kf5 39. Kg2 c5 40. Rd3 Ke6 41. Kf3 b5 42. h4 b4 43. Re3 cxd4 44. cxd4 h5 45. Rxe4+ 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "10"]
[White "Wieckowski, Michal"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1637"]
[BlackElo "1492"]
[PlyCount "81"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 a6 5. Qc2 g6 6. Bg2 Bf5 7. Qb3 Qc8 8. c5 Bg7 9. 0-0 0-0 10. Nc3 Nbd7 11. Na4 Re8 12. Nh4 Bg4 13. f3 Be6 14. Qc3 h6 15. e4 g5 16. Nf5 Bxf5 17. exf5 Rb8 18. g4 b5 19. cxb6 Nxb6 20. Nc5 Nfd7 21. f4 Nxc5 22. Qxc5 Nd7 23. Qc3 c5 24. Be3 gxf4 25. Rxf4 Nb6 26. Qxc5 Nc4 27. Bc1 Qxc5 28. dxc5 e6 29. f6 Bf8 30. b3 Bxc5+ 31. Kh1 Ne5 32. Bb2 Ng6 33. Ra4 Rb6 34. Rc1 Bd6 35. Bf3 Be5 36. Ba3 Bxf6 37. Rc7 Ne5 38. Be2 d4 39. Rxd4 Ng6 40. Rdc4 Rd6 41. Bxd6 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.03.17"]
[Round "10"]
[White "Nocek, Dominik"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1548"]
[BlackElo "1654"]
[PlyCount "73"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 b5 8. 0-0 Bb7 9. Re1 d6 10. a4 b4 11. Nd5 Qb8 12. Nb6 Ra7 13. a5 Nge7 14. Be3 Ba8 15. Qd2 Nxd4 16. Bxd4 Nc6 17. f4 Rc7 18. c3 bxc3 19. Bxc3 Na7 20. b3 Nb5 21. Bb2 h5 22. h3 Bc6 23. Rac1 Qb7 24. Kh2 Rg8 25. f5 Be7 26. fxe6 fxe6 27. Bf3 h4 28. gxh4 Bxh4 29. Re2 Rf7 30. Bg4 Bd7 31. Nxd7 Kxd7 32. Bh5 g6 33. Rg2 Ke7 34. Bxg6 Rff8 35. Qh6 Bf2 36. Qg5+ Rf6 37. Qxf6+ 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.03.10"]
[Round "9"]
[White "Kowalski, Witold"]
[Black "Mlynarski, Zbigniew"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1654"]
[BlackElo "1586"]
[PlyCount "69"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d6 7. Bb3 Qe7 8. h3 b5 9. Re1 Bb6 10. Nbd2 Bb7 11. Nf1 h6 12. Ng3 Rfe8 13. Nf5 Qd7 14. Bxh6 gxh6 15. Nxh6+ Kg7 16. Qd2 Nh7 17. Nxf7 Re6 18. Bxe6 Qxe6 19. N7g5 Qf6 20. Nxh7 Kxh7 21. Qg5 Qf7 22. Qh4+ Kg7 23. Qg3+ Kh8 24. Qh4+ Kg7 25. Qg5+ Kh8 26. Qh6+ Kg8 27. Re2 Rf8 28. Rf1 Nd8 29. a3 Ne6 30. Ng5 Nxg5 31. Qxg5+ Kh7 32. Kh2 c6 33. f4 Bd8 34. Qg4 Bc8 35. Qxc8 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.03.03"]
[Round "8"]
[White "Pichurko, Jakub"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1635"]
[BlackElo "1654"]
[PlyCount "62"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h6 6. Bd3 a6 7. a4 c5 8. Qd2 Nc6 9. Be5 cxd4 10. Bxd4 Nxd4 11. exd4 h5 12. Nf3 0-0 13. a5 Bd7 14. 0-0 Rc8 15. Ne5 Bc6 16. Rfe1 Qd6 17. Na4 Bxa4 18. Rxa4 Rfd8 19. Rb4 Ne4 20. Bxe4 dxe4 21. f4 exf3 22. Nxf3 Rxc2 23. Qxc2 Qxb4 24. Qc3 Bxd4+ 25. Nxd4 Qxd4+ 26. Qxd4 Rxd4 27. Rxe7 Rb4 28. Re2 Rxh4 29. Kf2 Ra4 30. Re7 Rb4 31. Re2 Rb5 0-1

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.02.17"]
[Round "6"]
[White "Jaroszuk, Marcin"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1537"]
[BlackElo "1654"]
[PlyCount "59"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. 0-0 Nc6 5. d4 e6 6. c4 Be7 7. Nc3 dxc4 8. Qa4 0-0 9. dxc5 Bxc5 10. Qxc4 Be7 11. Rd1 Qa5 12. Bd2 Qh5 13. Qh4 Qxh4 14. Nxh4 e5 15. Nf3 h6 16. Ne1 Bf5 17. e4 Bg4 18. f3 Bc5+ 19. Kh1 Be6 20. Nc2 Rfd8 21. Na4 Bd4 22. Bc3 Rac8 23. Bf1 g6 24. Kg2 Kg7 25. Bb5 Bxc3 26. Nxc3 Nd4 27. Bd3 a6 28. Ne3 Rc7 29. Kf2 b5 30. Ne2 1/2-1/2

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.02.15"]
[Round "7"]
[White "Kowalski, Witold"]
[Black "Szukalski, Antoni"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1654"]
[BlackElo "1680"]
[PlyCount "57"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. c3 Nf6 8. Ne5 e6 9. Nxg6 fxg6 10. Bd3 g5 11. 0-0 Bd6 12. Bg6+ Kd7 13. Re1 Na6 14. Qb3 Nc7 15. c4 Bxg3 16. hxg3 Qe7 17. Bd2 a5 18. Bc3 a4 19. Qc2 b5 20. d5 cxd5 21. cxd5 Nfxd5 22. Be5 Rhc8 23. Rad1 Ne8 24. Qe2 Kc6 25. Bd3 Nec7 26. Bxc7 Kxc7 27. Bxb5 Nf6 28. Qe5+ Kb7 29. Rd6 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.02.14"]
[Round "4"]
[White "Malicki, Jan"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1614"]
[BlackElo "1654"]
[PlyCount "110"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5 6. Nge2 Nge7 7. 0-0 d6 8. b3 0-0 9. Bb2 Be6 10. d4 exd4 11. exd4 Nxd4 12. Nxd4 Bxd4 13. Bxb7 Rb8 14. Bg2 Bxc4 15. bxc4 Rxb2 16. Nb5 Rxb5 17. cxb5 Bxa1 18. Qxa1 Nf5 19. Qb2 Nd4 20. Rb1 Qb6 21. a4 Rb8 22. Qd2 Qc7 23. Re1 Qd7 24. Qe3 Qe6 25. Qd2 Qc4 26. Qa5 Ne2+ 27. Kh1 Qc3 28. Qxc3 Nxc3 29. Re7 Nxa4 30. Rxa7 Nc3 31. Bf1 d5 32. Rd7 c4 33. Kg2 Rxb5 34. Kf3 Kf8 35. Ke3 Ke8 36. Bh3 Ne4 37. Ra7 Rb3+ 38. Kd4 Rd3+ 39. Ke5 f6+ 40. Kf4 Ng5 41. Bg2 h5 42. Ra8+ Kf7 43. Ra7+ Kg8 44. Ra6 Kg7 45. Ra7+ Kh6 46. Ra6 Nh7 47. Ra5 d4 48. h4 c3 49. Rc5 Rd2 50. Kf3 Nf8 51. Bh3 f5 52. Rc6 Kg7 53. Bf1 c2 54. Bb5 d3 55. Ke3 Rd1 0-1

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.02.10"]
[Round "5"]
[White "Kowalski, Witold"]
[Black "Kania, Tomasz"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1654"]
[BlackElo "1691"]
[PlyCount "124"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. c3 Nf6 8. Bd3 Bd6 9. 0-0 Nbd7 10. Re1 Qc7 11. c4 Bb4 12. Re2 Rd8 13. Bg5 Be7 14. Bxg6 hxg6 15. Qc2 0-0 16. a3 a5 17. Rae1 Rfe8 18. Nf1 Kf8 19. Ne3 Nh5 20. Bxe7+ Rxe7 21. Ng4 Nhf6 22. Nge5 c5 23. d5 Nxe5 24. Rxe5 Ng4 25. R5e4 Nf6 26. R4e2 Nh5 27. g3 e5 28. Rxe5 Rxe5 29. Rxe5 Nf6 30. Kg2 Ne8 31. h4 Kg8 32. Qe2 Nd6 33. h5 gxh5 34. Rxh5 Re8 35. Re5 Rb8 36. a4 Qd7 37. b3 Qg4 38. Rg5 Qe4 39. Qxe4 Nxe4 40. Re5 Nd6 41. Ne1 Kf8 42. Nd3 Rc8 43. g4 Rc7 44. f4 g6 45. Kf3 Kg7 46. Nf2 Rc8 47. Re7 Rd8 48. Rc7 b6 49. Rc6 Nc8 50. Ne4 Kf8 51. f5 gxf5 52. gxf5 Ke7 53. Kf4 Kd7 54. Rf6 Ke7 55. Ke5 Kf8 56. Rc6 Re8+ 57. Kf4 Ke7 58. Rc7+ Kf8 59. d6 Rd8 60. d7 Ne7 61. f6 Ng6+ 62. Kf5 Ne7+ 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.01.26"]
[Round "3"]
[White "Kowalski, Witold"]
[Black "Kuc, Mariusz"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1654"]
[BlackElo "1687"]
[PlyCount "79"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. a4 Qa5 8. f3 d5 9. e5 Nfd7 10. f4 Bb4 11. Qd2 Nc5 12. Bd3 Bd7 13. f5 Nc6 14. 0-0 Nxe5 15. Bf4 Nc6 16. Nxc6 bxc6 17. fxe6 Nxe6 18. Qe2 Bxc3 19. bxc3 Qxc3 20. Be5 Qc5+ 21. Kh1 Qe7 22. Rae1 f6 23. Bc3 Kf7 24. Rf3 Rae8 25. Qf2 Qc5 26. Rxf6+ Kg8 27. Rexe6 Qxf2 28. Rxe8+ Bxe8 29. Rxf2 c5 30. Bxa6 Bxa4 31. Bb7 h5 32. Bxd5+ Kh7 33. Be4+ Kh6 34. Bd2+ g5 35. h4 Re8 36. hxg5+ Kg7 37. Bc3+ Kg8 38. Bd5+ Kh7 39. Rf6 Bxc2 40. Rh6# 1-0

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.01.20"]
[Round "2"]
[White "Pasternak Winiarski, Adam"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1579"]
[BlackElo "1654"]
[PlyCount "67"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Qc7 6. Nc3 a6 7. a3 b5 8. 0-0 Bb7 9. Kh1 Nf6 10. f4 d6 11. Bf3 Be7 12. Nxc6 Bxc6 13. e5 dxe5 14. Bxc6+ Qxc6 15. fxe5 Nd7 16. Bf4 Nf8 17. Qe2 Ng6 18. Bg3 0-0 19. Rad1 Bxa3 20. bxa3 Qxc3 21. Rd3 Qc4 22. Qf2 Rac8 23. h4 Ne7 24. Bf4 Qxc2 25. Qf3 Nf5 26. h5 Rc4 27. Rc1 Qa4 28. Rf1 Rd4 29. Rc3 h6 30. Kh2 Ne7 31. Bg3 Nd5 32. Rc6 b4 33. Rxe6 bxa3 34. Rc6 0-1

[Event "Warsaw YMCA Winter-B 270th"]
[Site "Warsaw"]
[Date "2023.01.12"]
[Round "1"]
[White "Kowalski, Witold"]
[Black "Szumigaj, Marcin"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1654"]
[BlackElo "1466"]
[PlyCount "46"]
[EventDate "2023.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 0-0 7. 0-0 c6 8. a3 Bd6 9. Re1 Bg4 10. Bg5 Nbd7 11. h3 Bh5 12. Qd2 Bg6 13. Rad1 Qc7 14. Nf4 Bxd3 15. Nxd3 h6 16. Bf4 Bxf4 17. Qxf4 Qxf4 18. Nxf4 Rfe8 19. Kf1 Kf8 20. g3 Rxe1+ 21. Rxe1 Re8 22. Rxe8+ Kxe8 23. Ke2 Ke7 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.15"]
[Round "7"]
[White "Chiszko, Oskar"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1446"]
[BlackElo "1673"]
[PlyCount "55"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. g4 Be6 10. g5 Nfd7 11. Qd2 Qc7 12. 0-0-0 b5 13. a3 Rc8 14. Kb1 Nb6 15. Bxb6 Qxb6 16. h4 Nd7 17. h5 g6 18. hxg6 hxg6 19. f4 Nc5 20. Nxc5 Qxc5 21. f5 gxf5 22. g6 f4 23. gxf7+ Kxf7 24. Bh5+ Kf8 25. Nd5 Bxd5 26. exd5 Bf6 27. Qd3 Rc7 28. Qf5 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.14"]
[Round "6"]
[White "Kowalski, Witold"]
[Black "Jarmolowski, Tadeusz"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1673"]
[BlackElo "1482"]
[PlyCount "88"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Bd3 Qe7+ 12. Qe2 Qxe2+ 13. Kxe2 0-0 14. Bf4 Bf5 15. Bxf5 Nd4+ 16. Kf1 Nxf5 17. Rd1 Rfd8 18. g4 Ne7 19. h3 Rac8 20. c3 f6 21. Kg2 Kf7 22. Rd3 b5 23. Rhd1 Rd7 24. a4 Rc4 25. Rd4 Rxa4 26. Rxa4 bxa4 27. Ra1 Rb7 28. Rxa4 Rxb2 29. Rxa7 Ke6 30. Ra6+ Kf7 31. Bd6 Re2 32. Ra7 Ke8 33. Kf3 Re6 34. Bb4 g5 35. Rb7 h6 36. Rxe7+ Rxe7 37. Bxe7 Kxe7 38. Ke3 Ke6 39. Kd4 Kd6 40. Kd3 Ke5 41. Ke3 Ke6 42. f4 Kd6 43. f5 Ke5 44. Kd3 Kd6 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.09"]
[Round "1"]
[White "Kalinowski, Rafal"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1232"]
[BlackElo "1673"]
[PlyCount "114"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 Nbd7 6. Nbd2 0-0 7. 0-0 b6 8. c4 Bb7 9. Qc2 h6 10. Bf4 Rc8 11. Rac1 c5 12. b3 Re8 13. h3 a6 14. Ne5 cxd4 15. exd4 Ba3 16. Rce1 Bb4 17. Rc1 Qe7 18. Ndf3 Red8 19. Qe2 a5 20. Rfd1 Nxe5 21. Nxe5 dxc4 22. bxc4 Qe8 23. Ng4 Nxg4 24. Qxg4 f5 25. Qg3 Kh8 26. Be5 Qf7 27. Qe3 Qg6 28. g3 Bd6 29. Re1 Rc6 30. Be2 Rc7 31. Bf1 Rf7 32. Bxd6 Rxd6 33. Qe5 Rfd7 34. d5 exd5 35. cxd5 Rxd5 36. Qe8+ Qxe8 37. Rxe8+ Kh7 38. Rce1 Rd1 39. Bc4 Be4 40. Bg8+ Kg6 41. Re6+ Kh5 42. Bf7+ Rxf7 43. Rxd1 b5 44. Rb6 b4 45. Rb5 Ra7 46. Rd4 Kg6 47. g4 Ra6 48. gxf5+ Bxf5 49. Rbd5 Bxh3 50. Rd6+ Rxd6 51. Rxd6+ Kf7 52. Ra6 Be6 53. Rxa5 b3 54. axb3 Bxb3 55. Kh2 Kf6 56. Kg3 Bc2 57. Kg4 Bd3 1/2-1/2

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.07.03"]
[Round "9.4"]
[White "Rozek, Michal"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1479"]
[BlackElo "1673"]
[PlyCount "74"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Czerwionka Leszczyny Skoczek"]
[BlackTeam "Warszawa Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 Be7 7. c4 d6 8. h3 0-0 9. d3 h6 10. Nc3 a6 11. a4 Be6 12. Be3 Qd7 13. Kh2 Nd4 14. Bxd4 cxd4 15. Nd5 Bxd5 16. cxd5 Rac8 17. Rfc1 b5 18. Nd2 bxa4 19. Nc4 Qb5 20. h4 Nd7 21. Bh3 Rb8 22. Bxd7 Qxd7 23. Qc2 f5 24. f3 fxe4 25. fxe4 Rf3 26. Rf1 Rbf8 27. Nd2 R3f7 28. Rxf7 Rxf7 29. Rf1 Rxf1 30. Nxf1 Qb7 31. Nd2 Kh7 32. Nc4 Qb4 33. Qf2 Bf6 34. Qf5+ Kg8 35. Qe6+ Kh7 36. Qf5+ Kg8 37. Qe6+ Kh7 1/2-1/2

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.07.02"]
[Round "8.4"]
[White "Kowalski, Witold"]
[Black "Jamrozik, Maciej"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1673"]
[BlackElo "1253"]
[PlyCount "87"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Polonia"]
[BlackTeam "Myslenice MAT"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 c5 7. dxc5 Bxc5 8. Bd3 0-0 9. 0-0 b6 10. Re1 Bb7 11. h3 Qc7 12. Ne4 Nxe4 13. Bxe4 Bxe4 14. Rxe4 Nf6 15. Re1 Rad8 16. Qe2 h6 17. c3 a5 18. Be3 Bxe3 19. Qxe3 Rd5 20. Nd4 Rfd8 21. a4 Nd7 22. Nxe6 fxe6 23. Qxe6+ Kh8 24. Qxd5 Nf6 25. Qf3 Rf8 26. Qg3 Qb7 27. Qd6 Qa8 28. Rad1 Rc8 29. Qxb6 Nd5 30. Qd4 Nf6 31. Re6 Rf8 32. Rd6 Qb7 33. Rd8 Rxd8 34. Qxd8+ Kh7 35. Qxa5 Qxb2 36. Qf5+ Kh8 37. Rd8+ Ng8 38. Qf8 Qc1+ 39. Kh2 Kh7 40. Qxg8+ Kg6 41. Qe6+ Kh5 42. Rd5+ g5 43. Qf7+ Kh4 44. g3# 1-0

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.07.01"]
[Round "7.4"]
[White "Brzezina, Piotr"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1671"]
[BlackElo "1673"]
[PlyCount "143"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Katowice Hetman Szopienice"]
[BlackTeam "Warszawa Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Re1 b5 10. a4 b4 11. Nd5 a5 12. Nxf6+ Bxf6 13. Qd5 Ra7 14. Be3 Bb7 15. Qd3 Ra8 16. Red1 Be7 17. c4 Nd7 18. Nd2 Qc7 19. b3 h6 20. Bg4 Nf6 21. Bh3 Rfd8 22. Rac1 Qc6 23. f3 Bc8 24. Bxc8 Raxc8 25. Nf1 Kh7 26. Ng3 g6 27. Nf1 Kg7 28. Qd2 Rh8 29. g4 Qc7 30. Qf2 Nd7 31. Rd5 Rcf8 32. Rcd1 f5 33. c5 Qd8 34. cxd6 Bg5 35. gxf5 gxf5 36. Bxg5 hxg5 37. Qg2 fxe4 38. fxe4 Kg6 39. Ne3 Rf4 40. Ng4 Rh4 41. Nf2 Qb6 42. R5d3 Rhg4 43. Rg3 Rxg3 44. hxg3 Rf6 45. Qf1 Rxd6 46. Rxd6+ Qxd6 47. Qh3 Nf6 48. Qf5+ Kh6 49. Kg2 Qe7 50. Kh2 Qd6 51. Kg1 Qe7 52. Kg2 Qd6 53. Kf3 Qe7 54. Ke2 Qd6 55. Qxf6+ Qxf6 56. Ng4+ Kg6 57. Nxf6 Kxf6 58. Kd3 Ke6 59. Kc4 Kd6 60. Kb5 g4 61. Kxa5 Kc5 62. Ka6 Kd4 63. Kb5 Kc3 64. a5 Kxb3 65. a6 Kc3 66. a7 b3 67. a8Q b2 68. Qa2 Kc2 69. Kc4 Kc1 70. Kc3 b1N+ 71. Kd3 Kd1 72. Qxb1# 1-0

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.06.30"]
[Round "6.4"]
[White "Kowalski, Witold"]
[Black "Rozanski, Mateusz"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1673"]
[BlackElo "1720"]
[PlyCount "57"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Polonia"]
[BlackTeam "Wroclaw Invest Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Be7 7. 0-0 Ne5 8. Bb3 0-0 9. f4 Nc6 10. h3 Nxd4 11. Qxd4 Nd7 12. Qd3 Nc5 13. Qf3 Ne6 14. Be3 c6 15. Rad1 Qa5 16. f5 Nc5 17. Qg3 Nd7 18. Kh1 Kh8 19. Bd4 f6 20. Ne2 Ne5 21. Nf4 d5 22. Nh5 Ng6 23. fxg6 dxe4 24. Nxf6 Bxf6 25. Rxf6 Bf5 26. Qh4 Bxg6 27. Rxg6 Rg8 28. Bxg8 Rxg8 29. Bxg7+ 1-0

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.06.29"]
[Round "5.4"]
[White "Kowalski, Witold"]
[Black "Oles, Mateusz"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1673"]
[BlackElo "1251"]
[PlyCount "95"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Polonia"]
[BlackTeam "Rybnik"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Ng8 9. Bb5+ Bd7 10. Qe2 Bxb5 11. Qxb5+ Qd7 12. Bf4 a6 13. Qxd7+ Nxd7 14. Nd5 Rc8 15. e6 Ne5 16. 0-0-0 Bh6 17. Rhf1 f5 18. Kb1 Bxf4 19. Rxf4 Nf6 20. Nc3 0-0 21. h3 b5 22. a3 Nc4 23. Ka2 Rc7 24. g4 fxg4 25. hxg4 Ne3 26. Rg1 Rfc8 27. g5 Nfd5 28. Nxd5 Nxd5 29. Rf7 b4 30. Rh1 h5 31. gxh6 bxa3 32. Kxa3 Rc5 33. b3 R5c7 34. Rg1 Nf6 35. Rxg6+ Kh8 36. Rgxf6 exf6 37. e7 Rc3 38. Rf8+ Kh7 39. e8Q Rxe8 40. Rxe8 Kxh6 41. Re6 Kg5 42. Rxa6 Rc8 43. Ra5+ Kg6 44. c4 Rf8 45. Kb4 f5 46. Rxf5 Rd8 47. Rd5 Rb8+ 48. Nb5 1-0

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.06.28"]
[Round "4.4"]
[White "Gibala, Adam"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "1516"]
[BlackElo "1673"]
[PlyCount "237"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw Srodmiescie"]
[BlackTeam "Warszawa Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. 0-0 Ra7 13. Nb3 Rd7 14. Bd3 Bb7 15. Qe2 Nc6 16. Ne4 Qe5 17. fxg7 Bxg7 18. Nbc5 Rc7 19. Nxb7 Rxb7 20. Rae1 Qd4+ 21. Kh1 Rd7 22. Qh5 Ne5 23. Ng5 Qg4 24. Nxe6 Qxe6 25. Bf5 Qe7 26. Bxd7+ Kxd7 27. Qh3+ Kc7 28. Qe3 Kb7 29. Qe4+ Kb6 30. a4 Qc7 31. c3 h5 32. axb5 axb5 33. Ra1 Ng4 34. g3 Rd8 35. Qb4 Qc6+ 36. Kg1 Qc5+ 37. Qxc5+ Kxc5 38. Rxf7 Be5 39. h3 Nf6 40. Rf1 Nd5 41. R1f5 Bxg3 42. Rxh5 Kc6 43. Rg5 Bd6 44. Rg6 Kc5 45. h4 Bf4 46. Rg4 Be3+ 47. Kh2 Bc1 48. b4+ Kd6 49. c4 bxc4 50. Rxc4 Bd2 51. b5 Rb8 52. Rc6+ Ke5 53. h5 Rh8 54. b6 Rxh5+ 55. Kg3 Nxb6 56. Rxb6 Ke4 57. Re7+ Re5 58. Rd7 Be1+ 59. Kg4 Re8 60. Rbb7 Re5 61. Re7 Bc3 62. Rf7 Bd2 63. Rbd7 Be3 64. Rfe7 Bc1 65. Rxe5+ Kxe5 66. Re7+ Kd5 67. Kf5 Kd4 68. Rd7+ Ke3 69. Rb7 Kd4 70. Rb5 Bd2 71. Ke6 Bc3 72. Kd6 Ke4 73. Rb3 Bd2 74. Rb2 Bc3 75. Rg2 Bf6 76. Ke6 Bd8 77. Rg4+ Kf3 78. Kf5 Ke3 79. Ra4 Bc7 80. Rc4 Bb8 81. Ke6 Bh2 82. Kd5 Bb8 83. Rh4 Bc7 84. Re4+ Kf3 85. Re7 Bb8 86. Rf7+ Ke3 87. Rf8 Bc7 88. Re8+ Kd3 89. Re7 Bf4 90. Ra7 Bc1 91. Ra1 Bb2 92. Rb1 Kc3 93. Rh1 Kb4 94. Rh2 Kc3 95. Rh1 Kb4 96. Rh2 Kc3 97. Rh3+ Kb4 98. Rh7 Bf6 99. Rc7 Bd8 100. Rc4+ Kb3 101. Kd4 Be7 102. Kd3 Bb4 103. Re4 Bc5 104. Re8 Bd6 105. Rd8 Bf4 106. Rf8 Bd6 107. Rf6 Bc5 108. Rf7 Bg1 109. Rb7+ Ka4 110. Kc4 Ka5 111. Rb5+ Ka6 112. Rb2 Ka5 113. Rb1 Be3 114. Kd5 Bf2 115. Rb2 Be3 116. Kc6 Bd4 117. Rb1 Bf2 118. Kd5 Be3 119. Rb3 1/2-1/2

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.06.26"]
[Round "2.4"]
[White "Wajda, Krzysztof"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1522"]
[BlackElo "1673"]
[PlyCount "85"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Wieliczka MKS MOS"]
[BlackTeam "Warszawa Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 Be7 5. Nc3 0-0 6. Be2 a6 7. 0-0 Nbd7 8. b3 c5 9. cxd5 exd5 10. Bb2 b5 11. dxc5 Nxc5 12. Nd4 Qd7 13. Bf3 Bb7 14. Rc1 Rfd8 15. Rc2 Rac8 16. a3 h6 17. Qe2 Rc7 18. Rfc1 Rdc8 19. h3 Nce4 20. Nxe4 dxe4 21. Bg4 Nxg4 22. Qxg4 Qxg4 23. hxg4 Rxc2 24. Rxc2 Rxc2 25. Nxc2 Kf8 26. Nd4 g6 27. Kf1 Ke8 28. Ke2 Kd7 29. f4 Kd6 30. Bc3 Kd5 31. Nc2 Bc8 32. Nb4+ Bxb4 33. Bxb4 Bxg4+ 34. Kd2 h5 35. Bc3 Ke6 36. a4 bxa4 37. bxa4 f6 38. Ke1 g5 39. g3 h4 40. gxh4 gxh4 41. Kf2 Bf3 42. Kg1 Bg4 43. Kh2 1/2-1/2

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.06.25"]
[Round "1.4"]
[White "Kowalski, Witold"]
[Black "Dobosiewicz, Dawid"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1673"]
[BlackElo "1648"]
[PlyCount "86"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Polonia"]
[BlackTeam "Kalisz KTS"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Qd3 c5 12. c4 d6 13. f4 Bb7 14. Nc3 Rd8 15. Bf3 0-0 16. g4 Nd7 17. g5 Rfe8 18. Rad1 Nb8 19. Bg2 Nc6 20. Kh1 Bf8 21. h4 g6 22. h5 Bg7 23. h6 Bd4 24. a3 d5 25. cxd5 exd5 26. Bxd4 Nxd4 27. exd5 Kh8 28. b4 Nf5 29. Be4 cxb4 30. Bxf5 Qxc3 31. axb4 Bxd5+ 32. Kg1 Qxb4 33. Qxa6 Qc5+ 34. Rf2 Qc3 35. Qd3 Re1+ 36. Rxe1 Qxe1+ 37. Rf1 Qb4 38. Bg4 Qc5+ 39. Kh2 Ra8 40. Rd1 Qf2+ 41. Kh3 Bg2+ 42. Kh2 Bf1+ 43. Kh1 Qg2# 0-1

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.21"]
[Round "9"]
[White "Uhryn, Mateusz"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1393"]
[BlackElo "1480"]
[PlyCount "57"]
[EventDate "2021.11.15"]
[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. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bd2 c5 10. Bc3 d6 11. Ne1 Bxg2 12. Nxg2 Bf6 13. Rc1 Nc6 14. dxc5 Bxc3 15. Rxc3 dxc5 16. Nh4 Qe7 17. Qa4 Ne5 18. Nf3 Nxf3+ 19. Rxf3 Rfd8 20. Rd1 Rxd1+ 21. Qxd1 Rd8 22. Rd3 Rxd3 23. Qxd3 h6 24. h4 Qf6 25. Qd2 Qe7 26. Qd3 Qf6 27. Qd2 Qe7 28. Qd3 Qf6 29. Qd2 1/2-1/2

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.20"]
[Round "8"]
[White "Kowalski, Witold"]
[Black "Sawicki, Dorian"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1480"]
[BlackElo "1550"]
[PlyCount "79"]
[EventDate "2021.11.15"]
[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 a6 5. a3 Nf6 6. Nc3 Qc7 7. Bd3 Nc6 8. Nb3 Be7 9. 0-0 0-0 10. f4 d6 11. Qf3 b5 12. Bd2 Bb7 13. Rae1 Nd7 14. Kh1 Bf6 15. Qh3 g6 16. Re3 Rae8 17. Rg3 Qd8 18. Rgf3 Bg7 19. Be1 f5 20. Re3 Nc5 21. Nxc5 dxc5 22. e5 Qc7 23. b3 Nd4 24. Ne2 Nc6 25. c4 Na7 26. Nc3 Qb6 27. Qg3 Rd8 28. Qf2 Rf7 29. Qc2 Qc6 30. Bh4 Rd4 31. Rd1 Rxf4 32. Bg3 Rd4 33. Rf3 Rdd7 34. Qe2 bxc4 35. Bxc4 g5 36. Rfd3 f4 37. Rxd7 Rxd7 38. Rxd7 Qxd7 39. Qg4 Bc8 40. Bf2 1/2-1/2

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.19"]
[Round "7"]
[White "Bartnik, Michal"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1595"]
[BlackElo "1480"]
[PlyCount "134"]
[EventDate "2021.11.15"]
[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 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 f5 9. exf6 Nxf6 10. Nd6+ Bxd6 11. Qxd6 Qe7 12. Bf4 Ne4 13. Qxe7+ Kxe7 14. f3 Rf8 15. Be3 Nf6 16. c4 d6 17. 0-0-0 c5 18. Be2 Bb7 19. Kb1 Bc6 20. Rd2 Rfd8 21. Rhd1 Rac8 22. g4 a5 23. h4 a4 24. h5 Bb7 25. Rc1 Rd7 26. Rdc2 Rdc7 27. Bf2 h6 28. Be3 Nd7 29. Bf4 Rf8 30. Bg3 Bxf3 31. Rd1 e5 32. Bh4+ Ke6 33. Rcd2 Be4+ 34. Bd3 Bxd3+ 35. Rxd3 Rc6 36. Bg3 Nf6 37. Rf3 Rb8 38. Bh4 Rcb6 39. Rd2 R8b7 40. Bxf6 gxf6 41. Rdf2 Rf7 42. Kc2 Rb8 43. Kd3 Rg8 44. Rg2 Rfg7 45. Rgf2 Rf7 46. Rg2 Rg5 47. Rfg3 Rfg7 48. Ke3 Rg8 49. Rg1 f5 50. gxf5+ Kxf5 51. Rf3+ Ke6 52. Rgf1 Rg3 53. R1f2 Rxf3+ 54. Rxf3 Rg5 55. Rh3 Rg2 56. b3 Rxa2 57. Ke4 axb3 58. Rxb3 Rh2 59. Rg3 Rf2 60. Rg6+ Rf6 61. Rg4 Rf4+ 62. Rxf4 exf4 63. Kxf4 d5 64. cxd5+ Kxd5 65. Kf5 c4 66. Kg6 c3 67. Kxh6 c2 0-1

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.18"]
[Round "5"]
[White "Blaszkiewicz, Jakub"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1462"]
[BlackElo "1480"]
[PlyCount "114"]
[EventDate "2021.11.15"]
[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 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. Nxc6 bxc6 8. Qd3 h6 9. 0-0 d5 10. e5 Nd7 11. Qg3 g6 12. f4 Qc7 13. a3 Bc5+ 14. Kh1 Bb7 15. Na4 Be7 16. Bd3 Nc5 17. Nxc5 Bxc5 18. c4 Bd4 19. cxd5 cxd5 20. Bd2 a5 21. Rac1 Qe7 22. b4 Bb2 23. Bb5+ Kf8 24. bxa5 Bxa3 25. Ra1 Bb4 26. Bxb4 Qxb4 27. Rfb1 Rxa5 28. Bd3 Rxa1 29. Rxa1 Kg7 30. f5 exf5 31. Bxf5 Qd4 32. Re1 Re8 33. e6 Qf6 34. Bh3 Re7 35. exf7 Rxe1+ 36. Qxe1 Kxf7 37. Bd7 Kg7 38. h3 Ba6 39. Qb4 g5 40. Qc5 Bc4 41. Be8 Qa1+ 42. Qg1 Qxg1+ 43. Kxg1 Kf6 44. Kf2 Ke5 45. Ke3 d4+ 46. Kd2 Kf4 47. Bc6 Kg3 48. Ke1 Bd3 49. Bf3 Bg6 50. Kd2 Kf4 51. Ba8 Be4 52. g3+ Kf3 53. Bxe4+ Kxe4 54. h4 Kf3 55. hxg5 hxg5 56. Kd3 Kxg3 57. Kxd4 Kf3 0-1

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.18"]
[Round "6"]
[White "Kowalski, Witold"]
[Black "Dobosiewicz, Dawid"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1480"]
[BlackElo "1678"]
[PlyCount "60"]
[EventDate "2021.11.15"]
[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. Nc3 Qc7 6. a3 a6 7. Nb3 b5 8. Bd3 Bb7 9. 0-0 Nf6 10. f4 h5 11. Qf3 Be7 12. Bd2 Ng4 13. Rae1 Qb6+ 14. Kh1 Bf6 15. Qg3 Qd8 16. Rd1 Nd4 17. Nxd4 Bxd4 18. e5 Qb6 19. Ne4 Bxe4 20. Bxe4 Rc8 21. Bb4 Bc5 22. Qd3 0-0 23. Bxc5 Qxc5 24. Rd2 Qc4 25. Qxc4 Rxc4 26. Re1 g6 27. h3 Nh6 28. g3 Nf5 29. Bxf5 gxf5 30. c3 a5 1/2-1/2

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.17"]
[Round "4"]
[White "Nagly, Krzysztof"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1328"]
[BlackElo "1480"]
[PlyCount "118"]
[EventDate "2021.11.15"]
[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 d6 3. c3 Nf6 4. h3 Nc6 5. Bd3 g6 6. Bc2 Bg7 7. 0-0 0-0 8. d4 cxd4 9. cxd4 e6 10. a3 Qc7 11. Nc3 a6 12. Re1 Rd8 13. d5 Ne5 14. Bb3 Nc4 15. Bxc4 Qxc4 16. Bg5 Qc7 17. Rc1 Qb8 18. e5 dxe5 19. Nxe5 Rxd5 20. Nxd5 Nxd5 21. Nd3 a5 22. Nf4 Bd7 23. Nxd5 exd5 24. Qxd5 Bc6 25. Qd2 Qc8 26. Bh6 Qf5 27. Bxg7 Kxg7 28. Qe3 Kg8 29. Rc5 Qd7 30. Qc3 a4 31. Rce5 Qd6 32. Qc4 Qf6 33. Qb4 Qd8 34. Qc4 Qd6 35. Re7 Rf8 36. h4 h5 37. R7e3 Rd8 38. Rg3 Qf6 39. Qb4 Rf8 40. Rg5 Ra8 41. Qc3 Qd6 42. Re3 Kh7 43. Reg3 Rg8 44. Qc2 Kh6 45. Qe2 Rg7 46. Rd3 Qf6 47. Qd2 Kh7 48. Rd6 Qe7 49. Qd3 Be4 50. Qd1 Bc6 51. Rd8 Kh6 52. Rd4 Kh7 53. g4 f6 54. Ra5 Qe8 55. gxh5 gxh5+ 56. Kh2 Rg2+ 57. Kh3 Qe6+ 58. Rg4 Qxg4+ 59. Qxg4 hxg4# 0-1

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.16"]
[Round "2"]
[White "Kowalski, Witold"]
[Black "Nowak, Maciej2222"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1480"]
[BlackElo "1338"]
[PlyCount "111"]
[EventDate "2021.11.15"]
[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 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Be7 8. Ne5 0-0 9. Be2 c5 10. 0-0 Nd7 11. Bf4 f6 12. Nxd7 Qxd7 13. Be3 b6 14. Qb3 Bb7 15. dxc5 Bxc5 16. Bxc5 bxc5 17. Rad1 Qe7 18. Bc4 Rae8 19. Rfe1 Bc8 20. Rd3 Kh8 21. Qd1 e5 22. Rde3 Be6 23. Qe2 Bxc4 24. Qxc4 Qc7 25. a3 Re7 26. Rd3 Rc8 27. Red1 h6 28. Rd5 Qc6 29. h3 Qc7 30. Re1 Rd7 31. Red1 Re7 32. Kh1 Qc6 33. b4 Rec7 34. Rxc5 Qb6 35. Rdd5 Kh7 36. Qe4+ Kh8 37. Qe3 Kg8 38. Kh2 Kh8 39. Rxc7 Qxc7 40. Qc5 Qxc5 41. Rxc5 Rd8 42. f3 Rd7 43. a4 Kg8 44. Kg3 Kf7 45. a5 Ke7 46. c4 Rb7 47. b5 Kd6 48. Rc6+ Kd7 49. Kf2 Rb8 50. Ke3 f5 51. g4 f4+ 52. Ke4 Re8 53. Ra6 Rc8 54. Rxa7+ Ke6 55. Ra6+ Ke7 56. Rc6 1-0

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.16"]
[Round "3"]
[White "Kowalski, Witold"]
[Black "Warchol, Kamil"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1480"]
[BlackElo "1976"]
[PlyCount "100"]
[EventDate "2021.11.15"]
[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. b3 d6 3. Bb2 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 g6 7. Nd2 Bg7 8. f4 Nc6 9. Nh3 0-0 10. Nf3 Rae8 11. 0-0 e5 12. fxe5 Ng4 13. Qe2 Ngxe5 14. Nxe5 dxe5 15. Ng5 Nd4 16. Qd1 Qc7 17. Nf3 Ne6 18. Qd2 Rc8 19. Rae1 b5 20. c4 b4 21. Rd1 Rcd8 22. Qe3 f6 23. Bc1 Rd6 24. Qe2 Qd7 25. Be3 a5 26. Ne1 Rd8 27. a4 Rf8 28. Qg4 Qe8 29. Qg3 Kh8 30. Nf3 Qd7 31. Ne1 f5 32. Qf3 Nd4 33. Bxd4 Rxd4 34. exf5 e4 35. Qe2 gxf5 36. Qe3 Rxc4 37. dxc4 Qxd1 38. Qg3 Qe2 39. Rf4 Bd4+ 40. Kh1 Be5 41. Qf2 Qd1 42. Rxe4 Bd4 43. Qf1 Qxb3 44. Qf4 Qxc4 45. Re7 b3 46. h3 b2 47. Qh6 Qf1+ 48. Kh2 Bg1+ 49. Kh1 Bf2+ 50. Kh2 Qg1# 0-1

[Event "POL-ch U13 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.15"]
[Round "1"]
[White "Kozik, Maksymilian"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1201"]
[BlackElo "1480"]
[PlyCount "71"]
[EventDate "2021.11.15"]
[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. Nc3 Nf6 6. Bg5 Be7 7. Nxc6 bxc6 8. e5 Nd5 9. Bd2 0-0 10. Nxd5 cxd5 11. Bd3 d6 12. Bc3 dxe5 13. Bxe5 Bf6 14. Bxf6 Qxf6 15. c3 Rb8 16. Rb1 h6 17. 0-0 Bd7 18. Re1 Rfe8 19. Re3 e5 20. Rf3 Qe7 21. Bf5 Bc6 22. Re3 Rbd8 23. Qh5 Qf6 24. Rf3 Qd6 25. Rg3 e4 26. Qg4 Qf6 27. f4 Bb5 28. Qh5 e3 29. Re1 e2 30. Bd3 Qb6+ 31. Kh1 Qf2 32. Rxg7+ Kxg7 33. Qg4+ Kf8 34. Qg3 Qxg3 35. hxg3 Bxd3 36. Ra1 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.18"]
[Round "9"]
[White "Jaroszuk, Marcin"]
[Black "Kowalski, Witold"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1571"]
[BlackElo "1453"]
[PlyCount "150"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 c5 4. Be2 Nc6 5. 0-0 Bg4 6. Ne5 Bxe2 7. Qxe2 e6 8. b3 Bd6 9. Bb2 0-0 10. d3 Rc8 11. Nd2 Re8 12. Qf2 Qe7 13. Ndf3 h6 14. Qg3 Red8 15. Rae1 Bxe5 16. fxe5 Ne8 17. h3 Rd7 18. h4 b5 19. Nh2 d4 20. Ng4 Kh7 21. Bc1 h5 22. Nh2 dxe3 23. Nf3 f6 24. Bxe3 Nd4 25. exf6 gxf6 26. Bxd4 cxd4 27. Re4 Rcd8 28. Rfe1 Ng7 29. Qf2 Qc5 30. R1e2 e5 31. Nh2 Qd6 32. Nf1 Rc8 33. Ng3 Qe6 34. Qf3 Qf7 35. Rf2 Rf8 36. Nf5 Rdd8 37. Qd1 Qg6 38. Qf3 Qxf5 39. Qxf5+ Nxf5 40. Rxf5 Kg6 41. Rf3 Rd5 42. Rf1 b4 43. Rfe1 Kf5 44. Kf2 Rc8 45. Rc1 Ra5 46. Kf3 Rxa2 47. g4+ hxg4+ 48. Rxg4 Rcxc2 49. Rcg1 Rf2+ 50. Kg3 Rg2+ 51. Kh3 Rh2+ 52. Kg3 Rag2+ 53. Kf3 Rxg1 54. Rxg1 Rxh4 55. Rg7 Rh3+ 56. Ke2 Rh2+ 57. Kd1 Rb2 58. Rxa7 Rxb3 59. Kc2 Rc3+ 60. Kd2 b3 61. Rb7 Kf4 62. Ke2 f5 63. Rb4 Rc2+ 64. Kd1 Ke3 65. Rxb3 Rd2+ 66. Ke1 Rxd3 67. Rb2 Ra3 68. Re2+ Kf4 69. Rf2+ Rf3 70. Rh2 e4 71. Rb2 d3 72. Ra2 Rh3 73. Rf2+ Ke3 74. Re2+ Kd4 75. Rf2 Rh1+ 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.13"]
[Round "4"]
[White "Kowalski, Witold"]
[Black "Dropia, Rafal"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1453"]
[BlackElo "1634"]
[PlyCount "74"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 d6 7. Bc4 Bxf5 8. exf5 Qd7 9. Nd5 Rb8 10. Qd3 Nge7 11. g4 Nxd5 12. Bxd5 Nb4 13. Qc4 Nxd5 14. Qxd5 Qc6 15. Qxc6+ bxc6 16. b3 d5 17. c3 Kd7 18. Be3 c5 19. Ke2 Bd6 20. f3 Rhe8 21. Rhd1 d4 22. Bf2 Kc6 23. Rac1 Kb5 24. Kf1 Rbd8 25. h3 Bb8 26. b4 dxc3 27. Rxd8 Rxd8 28. bxc5 Kc4 29. Be3 Ba7 30. Ke2 Rd5 31. Rd1 Rxd1 32. Kxd1 Bxc5 33. Bc1 Kd3 34. h4 Bf2 35. Bd2 cxd2 36. h5 Ke3 37. g5 g6 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.12"]
[Round "3"]
[White "Janik, Marcin1111"]
[Black "Kowalski, Witold"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1705"]
[BlackElo "1453"]
[PlyCount "43"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. 0-0 Qe7 9. a3 d6 10. Nc3 Nbd7 11. b4 c5 12. dxc5 dxc5 13. b5 Rad8 14. Qc2 Bxf3 15. exf3 Ne5 16. Qe2 Ng6 17. Rfd1 h6 18. Rxd8 Rxd8 19. Rd1 Rxd1+ 20. Qxd1 Ne5 21. Bf1 Qd7 22. f4 1/2-1/2

