[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "7"]
[White "Derejczyk, Mateusz"]
[Black "Grot, Blazej"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "1825"]
[BlackElo "2009"]
[PlyCount "150"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[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. f4 d6 8. Be2 Nf6 9. 0-0 Be7 10. Kh1 0-0 11. f5 Nxd4 12. Qxd4 b5 13. Bf3 e5 14. Qd2 b4 15. Ne2 Bb7 16. Ng3 d5 17. exd5 Rad8 18. Qf2 Nxd5 19. Bxd5 Rxd5 20. Nh5 f6 21. Rad1 Qd7 22. Rxd5 Qxd5 23. Qg3 Rf7 24. Bh6 Bf8 25. Be3 Kh8 26. Qf2 Rd7 27. b3 Rc7 28. Ng3 Rc3 29. Re1 a5 30. Re2 Qc6 31. Bb6 a4 32. Ne4 axb3 33. axb3 Ba6 34. Nxc3 Qxc3 35. Rd2 Kg8 36. h3 Bb5 37. Qe3 Qa1+ 38. Kh2 Qf1 39. Rf2 Qd1 40. Bc5 Qd5 41. Bxf8 Kxf8 42. Rd2 Qc6 43. Qa7 Qe4 44. Qc5+ Kf7 45. Qd5+ Qxd5 46. Rxd5 Bc6 47. Rc5 Be4 48. Rc7+ Kf8 49. g4 g6 50. Rc4 gxf5 51. gxf5 Bxf5 52. Rxb4 Bxc2 53. Rb7 f5 54. Rb5 f4 55. b4 e4 56. Rf5+ Ke7 57. Rxf4 e3 58. Kg3 e2 59. Kf2 Bd3 60. Rd4 Ba6 61. h4 Ke6 62. Re4+ Kd5 63. Rxe2 Bxe2 64. Kxe2 Kc4 65. Kf3 Kxb4 66. Kf4 Kc5 67. Kg5 Kd6 68. Kf6 Kd7 69. Kf7 Kd6 70. h5 Kd7 71. h6 Kd6 72. Kg8 Ke7 73. Kxh7 Kf7 74. Kh8 Kf8 75. h7 Kf7 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "8"]
[White "Trzebinski, Patryk"]
[Black "Derejczyk, Mateusz"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2039"]
[BlackElo "1825"]
[PlyCount "56"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 b6 7. b4 a5 8. Na4 bxc5 9. bxc5 Ba6 10. Bxa6 Rxa6 11. Nb6 Nbd7 12. Qa4 Rxb6 13. cxb6 Bb4+ 14. Bd2 Bxd2+ 15. Kxd2 Qxb6 16. Ne2 Qb2+ 17. Ke3 e5 18. Rab1 Ng4+ 19. Kf3 e4+ 20. Kxg4 Qxe2+ 21. Kg3 f5 22. h3 f4+ 23. Kh2 Qxf2 24. Rb8+ Ke7 25. Qa3+ Kf7 26. Rxh8 e3 27. Qd3 Qg3+ 28. Kg1 Qf2+ 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "3"]
[White "Derejczyk, Mateusz"]
[Black "Kutowski, Marcel"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1825"]
[BlackElo "2083"]
[PlyCount "82"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[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 a6 6. Bg5 e6 7. Be2 Nbd7 8. 0-0 Be7 9. Qd2 Qc7 10. a4 b6 11. f4 Bb7 12. Bf3 0-0 13. Rfe1 h6 14. Bxf6 Bxf6 15. Rad1 Rfd8 16. Re3 Rac8 17. Nce2 Nc5 18. e5 dxe5 19. fxe5 Bg5 20. Bxb7 Qxb7 21. b3 Rd5 22. h4 Bxe3+ 23. Qxe3 Qc7 24. Rf1 Qxe5 25. Qf2 Rc7 26. c4 Nd3 27. Qf3 Rxd4 28. Nxd4 Qxd4+ 29. Kh1 Qxh4+ 30. Kg1 Qd4+ 31. Kh1 Rd7 32. Qa8+ Kh7 33. Qf3 Qh4+ 34. Kg1 Ne5 35. Qe3 Qh2+ 36. Kxh2 Ng4+ 37. Kg3 Nxe3 38. Rf3 Nc2 39. Rc3 Nb4 40. Kf4 Kg6 41. c5 Nd5+ 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "1"]
[White "Asllani, Muhamet"]
[Black "Derejczyk, Mateusz"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2228"]
[BlackElo "1629"]
[PlyCount "95"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bc4 e6 10. c3 Ngf6 11. Bd3 Bxd3 12. Qxd3 Bd6 13. Bd2 Qc7 14. Ne2 0-0-0 15. 0-0-0 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Qf5+ Kb8 19. Be3 Rhe8 20. Rxd8+ Rxd8 21. Re1 Nd5 22. Bd2 Bf6 23. g3 Qd7 24. Qf3 Ka8 25. Kb1 Nb6 26. Bxh6 gxh6 27. Qxf6 Qd3+ 28. Ka1 Qd2 29. Rb1 Re8 30. Nd4 Nd5 31. Qxf7 Rc8 32. Qd7 Rb8 33. Ne6 Qxf2 34. Qxd5 Qxg3 35. Qd7 a6 36. Nc7+ Ka7 37. Qd4+ b6 38. Ne6 c5 39. Qg7+ Qxg7 40. Nxg7 Rg8 41. Rg1 Kb7 42. a3 Kc6 43. Rg6+ Kb5 44. Nf5 Rd8 45. Nd6+ Ka4 46. Ka2 b5 47. b3+ Ka5 48. Nb7# 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "2"]
[White "Derejczyk, Mateusz"]
[Black "Asllani, Muhamet"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1629"]
[BlackElo "2228"]
[PlyCount "61"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 d6 9. Nxc6 Nxc6 10. Bxc5 dxc5 11. Nd2 Ne5 12. Be2 Rd8 13. Qc2 Ng6 14. Bf3 Be6 15. Rad1 Nf4 16. Nb3 Qg5 17. Kh1 b6 18. Qc1 Qf6 19. e5 Qxe5 20. Bxa8 Rxa8 21. Qe3 Qf6 22. Qf3 Re8 23. Rfe1 Qg5 24. Qg3 Qh6 25. Re4 Ng6 26. Qxc7 Qg5 27. Qg3 Qh5 28. Rde1 h6 29. Nd2 Rd8 30. Nf3 Qd5 31. Rxe6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.11"]
[Round "9.123"]
[White "Derejczyk, Mateusz"]
[Black "Kotula, Pawel"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1597"]
[BlackElo "1740"]
[PlyCount "56"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Choszczno Skoczek"]
[BlackTeam "Marklowice Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Rb8 10. c4 Bb4+ 11. Ke2 0-0 12. cxd5 cxd5 13. Ng5 f6 14. Nf3 fxe5 15. fxe5 d6 16. a3 Ba5 17. b4 dxe5 18. bxa5 e4 19. Nd2 Qc3 20. Ke1 Qxa1 21. Qc2 Bd7 22. Ba6 Rfc8 23. Nc4 Rc7 24. Ke2 dxc4 25. Rf1 Qd4 26. Bf4 Rb2 27. Qxb2 Qxb2+ 28. Ke1 Rc6 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.10"]
[Round "8.100"]
[White "Derejczyk, Mateusz"]
[Black "Powalka, Michal"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1597"]
[BlackElo "1986"]
[PlyCount "70"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Choszczno Skoczek"]
[BlackTeam "Bialoleka Sparta"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 Be6 11. Qf3 Be7 12. h3 h6 13. Bh4 Qd7 14. Rfd1 Rfd8 15. Ne2 Rab8 16. b3 Rb4 17. Bg3 c5 18. c3 Rb6 19. c4 d4 20. Nf4 g6 21. Re1 Re8 22. Kf1 Bf5 23. Re5 Bxd3+ 24. Nxd3 Rc8 25. Rae1 Bf8 26. Bh4 Kg7 27. Bxf6+ Rxf6 28. Qg4 Qc6 29. Nf4 Rxf4 30. Qxf4 Bd6 31. Qe4 Bxe5 32. Qxc6 Rxc6 33. Rxe5 Kf6 34. Rd5 Ke6 35. Ke2 Ra6 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.09"]
[Round "7.130"]
[White "Jajte Pachota, Jerzy"]
[Black "Derejczyk, Mateusz"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1817"]
[BlackElo "1597"]
[PlyCount "88"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Krakow Cracovia"]
[BlackTeam "Choszczno Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Ne2 Nh6 7. Ng3 Bg7 8. Bg5 0-0 9. 0-0 f6 10. Bd2 Nf7 11. Bc2 e5 12. dxe5 fxe5 13. Bb3 Na5 14. Bc2 b6 15. Na3 Bb7 16. Qe2 Nc6 17. Rad1 Qf6 18. f4 Rad8 19. fxe5 Qxe5 20. Qxe5 Nfxe5 21. Bg5 Rd7 22. Rxf8+ Bxf8 23. Nb5 Nc4 24. Bc1 Bc5+ 25. Nd4 Re7 26. Kf2 Rf7+ 27. Kg1 Nxd4 28. cxd4 Bd6 29. Nf1 Bc8 30. Ne3 Nxe3 31. Bxe3 Bf5 32. Bxf5 Rxf5 33. g3 Rf7 34. Rc1 Rc7 35. Rxc7 Bxc7 36. Kf2 Kf7 37. Kf3 Kf6 38. Bf4 Bd8 39. h3 Ke6 40. Be5 Bg5 41. g4 Bc1 42. b3 b5 43. Bg7 g5 44. Be5 Bd2 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.07"]
[Round "5.131"]
[White "Derejczyk, Mateusz"]
[Black "Wozniak, Grzegorz1111"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "1597"]
[BlackElo "1579"]
[PlyCount "118"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Choszczno Skoczek"]
[BlackTeam "Rzeszow RzKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 0-0 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Kb1 Rfc8 12. Bb3 Ne5 13. Bg5 Nc4 14. Bxc4 Rxc4 15. Nb3 Qa6 16. e5 Ne8 17. Bxe7 Bxe5 18. Ne4 Bf5 19. Rhe1 Rac8 20. c3 Ra4 21. Nc1 Qb6 22. Ka1 Bxe4 23. Rxe4 Rxe4 24. fxe4 Qc6 25. Nd3 Bg7 26. Qf4 Qc4 27. Bh4 Qe6 28. Nb4 Rc4 29. Re1 Be5 30. Qe3 b6 31. h3 Nc7 32. Qd3 a5 33. Nd5 b5 34. Bf2 Nxd5 35. Qxd5 Qxd5 36. exd5 f5 37. Re3 b4 38. Be1 f4 39. Re2 bxc3 40. Bxc3 Bxc3 41. bxc3 Rxc3 42. Re4 g5 43. h4 h6 44. hxg5 hxg5 45. Kb2 Rd3 46. Kc2 Rxd5 47. Re7 Re5 48. Rd7 Re2+ 49. Kd3 Rxa2 50. Rxd6 Rxg2 51. Ke4 Kf7 52. Ra6 Ra2 53. Kf3 Ra3+ 54. Ke4 Ra2 55. Kf3 a4 56. Kg4 Rg2+ 57. Kf3 Rg3+ 58. Ke4 a3 59. Kf5 Ke7 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.06"]
[Round "4.124"]
[White "Derejczyk, Mateusz"]
[Black "Paprocki, Artur"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1597"]
[BlackElo "1800"]
[PlyCount "62"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Choszczno Skoczek"]
[BlackTeam "Olesnica Pogon"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. c4 d6 5. Nc3 Nf6 6. Be2 0-0 7. Bf4 Nh5 8. Be3 e5 9. c5 Nf4 10. Bxf4 exf4 11. cxd6 Qxd6 12. Qd2 Nd7 13. a3 f6 14. Bc4+ Kh8 15. h4 Nb6 16. Be2 Bg4 17. 0-0 Rad8 18. Rad1 Bxf3 19. gxf3 f5 20. Qc1 Qe7 21. Qxf4 Rxd4 22. Qg3 Rxd1 23. Rxd1 fxe4 24. fxe4 Be5 25. Qg2 Qxh4 26. Rd3 Qf6 27. Rh3 Rd8 28. Rf3 Qd6 29. Qh3 Qd2 30. Qh4 Bxc3 31. Qf6+ Bxf6 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.05"]
[Round "3.130"]
[White "Kwasniewski, Pawel"]
[Black "Derejczyk, Mateusz"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1632"]
[BlackElo "1597"]
[PlyCount "48"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Gornik Ledziny"]
[BlackTeam "Choszczno Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 0-0 9. 0-0 c6 10. Nc3 Nbd7 11. Rac1 Ne4 12. Nxe4 dxe4 13. Bxe7 Qxe7 14. Qe2 exf3 15. Qxf3 Nf6 16. h3 Rad8 17. Rc3 Qe4 18. Qd1 Nd5 19. Rb3 Rd7 20. Re1 Qg6 21. Qc1 Re8 22. Qd2 Rde7 23. Rc1 f5 24. Qd1 f4 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.04"]
[Round "2.137"]
[White "Derejczyk, Mateusz"]
[Black "Skawinski, Szymon"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1597"]
[BlackElo "1641"]
[PlyCount "87"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Choszczno Skoczek"]
[BlackTeam "Skarzysko Kamienna"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Bd6 12. h3 Rb8 13. Na4 Rb4 14. b3 h6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. c4 f5 18. Rfd1 d4 19. c5 Be5 20. Bc4 Kh8 21. Nb2 f6 22. Nd3 Rb7 23. Re1 Bb8 24. f4 Bc7 25. Ba6 Rb8 26. Bxc8 Rbxc8 27. Re7 Rfe8 28. Rae1 Rxe7 29. Rxe7 a5 30. Rf7 Bd8 31. Rd7 Bc7 32. Rxd4 Kg7 33. Rd7+ Kg6 34. Kf2 Bb8 35. g3 Re8 36. Nb2 h5 37. h4 Re4 38. Kf3 Rb4 39. Nd3 Re4 40. Rb7 Re8 41. Nb2 Rd8 42. Nc4 a4 43. bxa4 Rd4 44. Nb6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.03"]
[Round "1.71"]
[White "Komendecki, Antoni"]
[Black "Derejczyk, Mateusz"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1768"]
[BlackElo "1597"]
[PlyCount "77"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Choszczno Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bc4 Bg4 7. Qa4+ Nbd7 8. h3 Bh5 9. Qb3 Qc7 10. Nc3 a6 11. a4 Rc8 12. d3 Nc5 13. Qc2 Bg6 14. Be3 Ncd7 15. Qd2 Ne5 16. Rc1 Nfd7 17. f4 Nxc4 18. dxc4 Nc5 19. Bxc5 Qxc5 20. Na2 a5 21. Qf2 Qxf2+ 22. Kxf2 Bd3 23. b3 e6 24. dxe6 fxe6 25. Nf3 Bc5+ 26. Kg3 Bf5 27. Rhe1 Rc6 28. Nc3 Ba3 29. Rcd1 Bb4 30. Re3 Bc5 31. Re2 Ke7 32. Nd4 Bxd4 33. Rxd4 Rd6 34. Nb5 Rxd4 35. Nxd4 Kf6 36. Nxf5 exf5 37. Re5 Rd8 38. Rb5 Rd7 39. Kh2 1-0

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2021.12.19"]
[Round "7"]
[White "Cukrowski, Filip"]
[Black "Derejczyk, Mateusz"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2367"]
[BlackElo "1520"]
[PlyCount "117"]
[EventDate "2021.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. d4 Nf6 5. 0-0 Bxf3 6. Bxf3 Nbd7 7. c4 e6 8. Nc3 dxc4 9. a4 Nd5 10. e3 N7f6 11. Qe2 Be7 12. Qxc4 0-0 13. Rd1 Qa5 14. Bd2 Nxc3 15. Bxc3 Qf5 16. Bg2 Ne4 17. Be1 Qd5 18. Qc2 f5 19. f3 Nd6 20. Bb4 Rf7 21. Rac1 Rd8 22. b3 Nc8 23. Bc3 Qd7 24. Qe2 Rdf8 25. a5 a6 26. Rf1 Nd6 27. Bb4 Nb5 28. Bc5 Bxc5 29. Rxc5 Rd8 30. Re5 Rf6 31. g4 f4 32. g5 Rf5 33. Re4 fxe3 34. Qxe3 Nxd4 35. Bh3 Rxa5 36. Rxe6 Qf7 37. Re7 Qg6 38. f4 Nf5 39. Qb6 Rad5 40. Re5 Rf8 41. Qxb7 Rxe5 42. fxe5 Qxg5+ 43. Kh1 g6 44. Qxc6 Qe3 45. Bxf5 Rxf5 46. Rxf5 gxf5 47. Qc8+ Kg7 48. Qxf5 Qc1+ 49. Kg2 Qb2+ 50. Kg1 Qc1+ 51. Kg2 Qb2+ 52. Kg1 Qc1+ 53. Kf2 Qb2+ 54. Ke1 Qc3+ 55. Ke2 Qb2+ 56. Kf1 Qc1+ 57. Kg2 Qb2+ 58. Kg1 Qc1+ 59. Kg2 1/2-1/2

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2021.12.19"]
[Round "8"]
[White "Derejczyk, Mateusz"]
[Black "Niedbala, Bartlomiej"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1520"]
[BlackElo "2385"]
[PlyCount "90"]
[EventDate "2021.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. cxd5 Nxd5 8. Bc4 Nb6 9. Bb3 0-0 10. Be3 Nc6 11. 0-0 Na5 12. h3 Nxb3 13. Qxb3 Be6 14. Qb4 Rc8 15. Rfd1 Nd5 16. Qxb7 Rc7 17. Qa6 Nxe3 18. fxe3 Bc4 19. Qa5 Bh6 20. Kf2 Qb8 21. Rd2 Rfc8 22. Ne5 Be6 23. Ng4 Bg7 24. Rad1 Rb7 25. Qa3 h5 26. Ne5 Bxe5 27. dxe5 Qxe5 28. Rd8+ Rxd8 29. Rxd8+ Kh7 30. Nd1 Rc7 31. Rd2 h4 32. Qb4 Qg3+ 33. Kf1 Bc4+ 34. Kg1 Qe1+ 35. Kh2 Rd7 36. Qxc4 Qg3+ 37. Kg1 Rxd2 38. Qxf7+ Kh6 39. Qf1 Kg7 40. a4 a5 41. Kh1 Rc2 42. Kg1 Rc1 43. Qd3 Qe1+ 44. Kh2 Rxd1 45. Qc3+ Qxc3 0-1

[Event "Lazy Baltic Pearl op-A 17th"]
[Site "Lazy"]
[Date "2021.06.28"]
[Round "2"]
[White "Gajdzica, Maciej"]
[Black "Derejczyk, Mateusz"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2000"]
[BlackElo "1487"]
[PlyCount "55"]
[EventDate "2021.06.27"]
[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 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. 0-0 Qc7 7. a4 a5 8. Nbd2 Nf6 9. h3 0-0 10. Nc4 Nd7 11. Nh2 e5 12. f4 Re8 13. f5 b5 14. Ne3 Ba6 15. axb5 cxb5 16. Nd5 Qd8 17. f6 Bf8 18. Ng4 Bb7 19. Nh6+ Bxh6 20. Ne7+ Kh8 21. Bxh6 Nxf6 22. Bg5 Qd4+ 23. Kh1 Ng8 24. Rxf7 Rxe7 25. Bxe7 Ra6 26. c3 Qe3 27. Qf1 c4 28. Bf8 1-0

[Event "Ustron op-C"]
[Site "Ustron"]
[Date "2020.08.15"]
[Round "1"]
[White "Derejczyk, Mateusz"]
[Black "Raptis, Janis"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1297"]
[BlackElo "1680"]
[PlyCount "68"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Ndb4 11. Bb5 Rc8 12. a3 Nc2+ 13. Kf1 N2xd4 14. Be3 Nxb5 15. Nxb5 Be7 16. Ke2 Na5 17. Qe4 Rc4 18. Qd3 Qxd3+ 19. Kxd3 0-0 20. b4 Rd8+ 21. Nd4 e5 22. bxa5 Ra4 23. Rhc1 exd4 24. Bd2 h6 25. Rc7 Bd6 26. Rxa7 Rb8 27. Rd7 Bxh2 28. f4 Rb3+ 29. Ke2 d3+ 30. Kf3 g5 31. fxg5 h5 32. Rh1 Be5 33. Re1 Bb2 34. g6 Rb8 1-0

