[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "2"]
[White "Perkowski, Jakub"]
[Black "Czech, Franciszek"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1248"]
[BlackElo "1280"]
[PlyCount "30"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. f3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Bd3 Nxe3 11. Nxc6 Nxg2+ 12. Qxg2 bxc6 13. 0-0-0 Qa5 14. Qh3 g6 15. Ne4 Be7 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "4"]
[White "Ejsymont, Eryk"]
[Black "Perkowski, Jakub"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1618"]
[BlackElo "1229"]
[PlyCount "45"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Be2 Be6 9. 0-0 0-0 10. f4 exf4 11. Bxf4 d5 12. e5 Qb6+ 13. Kh1 Ne4 14. Nxd5 Bxd5 15. Qxd5 Nf2+ 16. Rxf2 Qxf2 17. Qxb7 Ra7 18. Qf3 Qxf3 19. Bxf3 Rd7 20. c4 Rc7 21. Rc1 Rcc8 22. c5 Nc6 23. Nd2 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.11"]
[Round "9"]
[White "Bilochenko, Matvii"]
[Black "Perkowski, Jakub"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1384"]
[BlackElo "1213"]
[PlyCount "71"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Be3 e6 7. a3 Nf6 8. h3 Be7 9. Nf3 a6 10. Bd3 b5 11. Nc3 Qd7 12. 0-0 0-0 13. Bc2 Bb7 14. Qd3 Rfd8 15. Rad1 Rac8 16. Bf4 g6 17. Rfe1 Nd5 18. Nxd5 Qxd5 19. Bb3 Qd7 20. Qe2 Bf6 21. d5 exd5 22. Qd2 d4 23. Nh2 Ne7 24. Ng4 Bg7 25. Bg5 Re8 26. Bf6 Nf5 27. Bxg7 Kxg7 28. f3 Qd6 29. Bc2 Qc5 30. Bxf5 d3+ 31. Ne3 gxf5 32. Kh1 f4 33. Ng4 Rxe1+ 34. Rxe1 Qc2 35. Qxf4 Qc6 36. Qd2 1/2-1/2

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.10"]
[Round "8"]
[White "Kopacki, Aleksander"]
[Black "Perkowski, Jakub"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1408"]
[BlackElo "1213"]
[PlyCount "91"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. 0-0 0-0 11. Nd5 Bxd5 12. Qxd5 Qc7 13. c4 Nc6 14. Rfd1 Rfd8 15. Rac1 Rac8 16. a3 Nd4 17. Nxd4 exd4 18. b4 Qb6 19. Bd3 g6 20. f4 Qa7 21. Qa5 b6 22. Qa4 Bg7 23. Qb3 Kh8 24. Qa2 h6 25. Qf2 Qe7 26. Re1 Bf6 27. g3 g5 28. fxg5 Bxg5 29. Qxd4+ Bf6 30. Qxb6 Bb2 31. Rc2 Qe5 32. Kg2 Bd4 33. Qa5 Qf6 34. Qf5 Qg7 35. Rf1 Rc7 36. Rf4 f6 37. Rg4 Qf7 38. Re2 Be5 39. Rh4 Qf8 40. Qh5 Rh7 41. Rg4 Rdd7 42. c5 Rc7 43. Bc4 Rcg7 44. Rxg7 Kxg7 45. c6 Qe7 46. Qg4+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.09"]
[Round "7"]
[White "Perkowski, Jakub"]
[Black "Serafin, Franciszek"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1213"]
[BlackElo "1241"]
[PlyCount "65"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. f3 0-0 9. Bb3 d6 10. Qd2 Bd7 11. 0-0-0 Rac8 12. Nxc6 Rxc6 13. Bh6 Rfc8 14. h4 Be6 15. Kb1 Bxb3 16. cxb3 Bh8 17. Nd5 Qd8 18. h5 e6 19. Nb4 Rb6 20. hxg6 fxg6 21. e5 Ne8 22. Be3 Bxe5 23. Bxb6 Qxb6 24. Rc1 Rxc1+ 25. Rxc1 Qd8 26. f4 Bg7 27. Qe3 Qf6 28. Nd3 a6 29. Qf3 h6 30. Qxb7 Qd4 31. Qxa6 Nf6 32. Qc4 Qb6 33. Qxe6+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.08"]
[Round "6"]
[White "Mrozowski, Nikodem"]
[Black "Perkowski, Jakub"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1350"]
[BlackElo "1213"]
[PlyCount "88"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bc1 e5 9. Nb3 Be6 10. f3 Nf6 11. Be3 Be7 12. Qd2 0-0 13. 0-0-0 b5 14. g4 b4 15. Na4 a5 16. Bb5 Nbd7 17. h4 Rb8 18. Qe2 Qc7 19. g5 Nh5 20. gxh6 g6 21. Rdg1 Ndf6 22. Kb1 d5 23. exd5 Bxd5 24. Bd3 Qc6 25. Nac5 Bxf3 26. Nxa5 Qa8 27. Bxg6 fxg6 28. Rxg6+ Kh7 29. Qd3 e4 30. Qc4 Bxh1 31. Rg1 Bf3 32. Qe6 Rbe8 33. Qf5+ Kh8 34. Ne6 Rg8 35. Rxg8+ Rxg8 36. Bd4 Qe8 37. h7 Rg2 38. Nf4 Rd2 39. b3 Rd1+ 40. Kb2 Nxf4 41. Bxf6+ Bxf6+ 42. Qxf6+ Kxh7 43. Qf5+ Qg6 44. Qxf4 Qg7+ 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.07"]
[Round "5"]
[White "Perkowski, Jakub"]
[Black "Chmielek, Milan"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1213"]
[BlackElo "1454"]
[PlyCount "46"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. 0-0-0 Qc7 11. g4 Rc8 12. g5 Nh5 13. Nd5 Bxd5 14. exd5 Nb6 15. c3 Nc4 16. Bxc4 Qxc4 17. Qd3 Qa4 18. Kb1 g6 19. Rhg1 Nf4 20. Qd2 Nh5 21. Qd3 Nf4 22. Qd2 Nh5 23. Qd3 Nf4 1/2-1/2

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "4"]
[White "Ciupek, Oskar"]
[Black "Perkowski, Jakub"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1213"]
[PlyCount "98"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 Bc6 6. 0-0 e5 7. Qb3 Be7 8. Be3 0-0 9. Nh4 Nxe4 10. dxe4 Bxh4 11. f3 Bg5 12. c4 Qf6 13. Rd1 Ba4 14. Qxa4 Bxe3+ 15. Kh1 Bf4 16. g3 Be3 17. Qb3 Bd4 18. Nc3 b6 19. Nd5 Qd8 20. Qb5 Qd7 21. Qxd7 Nxd7 22. Rab1 Nf6 23. Nc7 Rad8 24. Nb5 a5 25. a4 Nh5 26. b3 g6 27. Nxd4 cxd4 28. f4 Ng7 29. fxe5 dxe5 30. g4 f5 31. gxf5 gxf5 32. exf5 Nxf5 33. Bd3 Ne3 34. Rg1+ Kh8 35. Rg3 Rfe8 36. Be4 Rg8 37. Rf3 Rdf8 38. Rh3 Rg7 39. Rh6 Ng4 40. Rxh7+ Rxh7 41. Bxh7 Kxh7 42. Kg2 d3 43. Rb2 Ne3+ 44. Kg3 d2 45. Rxd2 Nf1+ 46. Kg4 Nxd2 47. Kg5 Rf4 48. h4 Nf3+ 49. Kh5 Rxh4# 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "3"]
[White "Kopia, Julian"]
[Black "Perkowski, Jakub"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1003"]
[BlackElo "1213"]
[PlyCount "104"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 e5 5. d3 Be7 6. f4 Nc6 7. Nf3 0-0 8. 0-0 Re8 9. f5 g6 10. Nh4 Nh5 11. Nf3 Ng7 12. g4 g5 13. Nd5 h6 14. Nd2 f6 15. c3 Kh7 16. Nf3 Rh8 17. h4 Kg8 18. Qb3 Kf8 19. hxg5 hxg5 20. Nxg5 Na5 21. Qd1 b6 22. b4 cxb4 23. cxb4 Nc6 24. Nf3 Ne8 25. Be3 Nc7 26. Nxe7 Qxe7 27. a3 d5 28. Rc1 Bb7 29. Qb3 Rd8 30. exd5 Nxd5 31. Bd2 Qg7 32. Qc4 Rg8 33. Nh2 Nd4 34. Rce1 Rc8 35. Qxc8+ Bxc8 36. Bxd5 Rh8 37. b5 Bxf5 38. Bb4+ Ke8 39. Bc6+ Kd8 40. Bc3 Bxg4 41. Rf2 Bf3+ 42. Kf1 Bxc6 43. Bxd4 Bxb5 44. Be3 Bxd3+ 45. Ree2 Bxe2+ 46. Rxe2 Qg3 47. Rd2+ Ke7 48. Bg1 Qf4+ 49. Rf2 Qc1+ 50. Kg2 Rg8+ 51. Kh3 Qxg1 52. Rf3 Rh8# 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.05"]
[Round "2"]
[White "Perkowski, Jakub"]
[Black "Brzezina, Pawel"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1213"]
[BlackElo "1560"]
[PlyCount "82"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 Be7 7. Be3 a6 8. Qd2 Nxd4 9. Bxd4 Be6 10. g4 c5 11. Be3 d5 12. g5 d4 13. gxf6 Bxf6 14. Nd5 Bxd5 15. exd5 dxe3 16. Qxe3+ Qe7 17. Qxe7+ Kxe7 18. 0-0-0 Kd6 19. Bh3 Bg5+ 20. Kb1 Rhe8 21. c4 Re3 22. Bg4 Rae8 23. Rhg1 Bf6 24. Rd2 Bd4 25. h3 g6 26. f4 h5 27. Bd1 Rxh3 28. Rf1 Bf6 29. b3 h4 30. a3 Rhe3 31. Ka2 R8e4 32. Bg4 Re1 33. Rxe1 Rxe1 34. Bd1 h3 35. b4 h2 36. bxc5+ Kxc5 37. Bf3 h1Q 38. Bxh1 Rxh1 39. Kb3 Rh3+ 40. Ka2 Kxc4 41. d6 Rd3 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.04"]
[Round "1"]
[White "Perkowski, Jakub"]
[Black "Kaczmarek, Piotr2"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1213"]
[PlyCount "47"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Qd4 Bxc3+ 8. Qxc3 Nf6 9. Bd3 0-0 10. 0-0 h6 11. Bd2 Bb7 12. Rae1 Qc7 13. Bxh6 Ne8 14. Bg5 f6 15. Bd2 Rf7 16. f4 g6 17. f5 g5 18. e5 Rf8 19. fxe6 dxe6 20. exf6 Qd6 21. Bxg5 Kf7 22. Qe5 Qd7 23. Bh6 Rg8 24. Qh5+ 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.16"]
[Round "9"]
[White "Czeremcha, Piotr"]
[Black "Perkowski, Jakub"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1069"]
[BlackElo "1156"]
[PlyCount "93"]
[EventDate "2022.03.08"]
[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. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 d6 9. 0-0-0 Bd7 10. Kb1 Bxe3 11. Qxe3 Ne5 12. Nd5 Nxd5 13. exd5 0-0 14. h3 c6 15. dxc6 bxc6 16. Qd4 Be6 17. f4 Ng6 18. Qxf6 gxf6 19. g3 d5 20. Bd3 Bc8 21. Nc5 Rb8 22. Rdf1 Rd8 23. g4 d4 24. Rhg1 Rd5 25. Ne4 Kg7 26. Bc4 Rd7 27. g5 f5 28. Nf6 Rdb7 29. b3 Rb4 30. Kc1 Be6 31. Bxe6 fxe6 32. h4 c5 33. h5 Ne7 34. h6+ Kg6 35. Nd7 Nc6 36. Nxb8 Rxb8 37. Re1 Re8 38. Rg2 e5 39. fxe5 Rxe5 40. Rge2 Rxe2 41. Rxe2 Kxg5 42. Re6 Nd8 43. Rd6 Nf7 44. Rd5 Nxh6 45. Rxc5 Ng4 46. Rc7 h5 47. Rg7+ 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.15"]
[Round "8"]
[White "Perkowski, Jakub"]
[Black "Bury, Marcel"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1156"]
[BlackElo "1314"]
[PlyCount "68"]
[EventDate "2022.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nd7 8. Nc3 e6 9. h3 Bxf3 10. Qxf3 Ne7 11. 0-0 Nf5 12. Be3 0-0 13. Kh2 a6 14. Bd3 Nxe3 15. fxe3 Qb6 16. b3 Nxe5 17. Qe2 Qc7 18. dxe5 Qxe5+ 19. Kh1 Qxc3 20. Rac1 Qe5 21. Rc2 Bh6 22. Rf3 Rac8 23. e4 dxe4 24. Bxe4 Bf4 25. g4 b5 26. Kg2 Rxc2 27. Qxc2 Rd8 28. Rf2 Rd4 29. Bb7 Qe3 30. Bf3 e5 31. Re2 Rd2 32. Qc8+ Kg7 33. Kf1 Rd1+ 34. Kg2 Rg1# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.14"]
[Round "7"]
[White "Leoniuk, Stanislaw"]
[Black "Perkowski, Jakub"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1108"]
[BlackElo "1156"]
[PlyCount "78"]
[EventDate "2022.03.08"]
[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. Be2 Bc5 4. 0-0 Nf6 5. d3 d6 6. Nbd2 0-0 7. Re1 a6 8. Bf1 Ba7 9. h3 Nh5 10. Nxe5 Bxf2+ 11. Kxf2 Qh4+ 12. Kg1 Nxe5 13. d4 Bg4 14. Be2 Bxe2 15. Qxe2 Ng6 16. Nf3 Qe7 17. Qc4 c6 18. Bg5 Qd7 19. Rad1 h6 20. Bd2 Kh8 21. Bc3 Rae8 22. d5 c5 23. Qd3 Kg8 24. b3 Ngf4 25. Qf1 Ng3 26. Qc4 b5 27. Qd3 Nxd3 28. cxd3 b4 29. Bd2 f5 30. Bf4 fxe4 31. Bxg3 exf3 32. Rf1 fxg2 33. Kxg2 Rxf1 34. Rxf1 Re2+ 35. Bf2 Rxa2 36. Rd1 Qf5 37. Rf1 Qxd3 38. Re1 Qxd5+ 39. Kf1 Qf3 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.13"]
[Round "6"]
[White "Perkowski, Jakub"]
[Black "Marcinkowski, Adam"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "1156"]
[PlyCount "172"]
[EventDate "2022.03.08"]
[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 Nf6 3. d4 exd4 4. e5 Nd5 5. Qxd4 Nb6 6. Qe4 Nc6 7. Nc3 Be7 8. Bd3 a6 9. a3 d6 10. 0-0 Be6 11. Bd2 dxe5 12. Nxe5 Nxe5 13. Qxe5 0-0 14. Qe4 g6 15. Qxb7 Bd6 16. Qf3 Nc4 17. Bxc4 Bxc4 18. Rfd1 Qh4 19. g3 Qe7 20. Re1 Qd8 21. Rad1 Re8 22. Bh6 Rxe1+ 23. Rxe1 Bf8 24. Rd1 Qc8 25. Bxf8 Kxf8 26. Qe3 Be6 27. Qe5 f5 28. Qh8+ Bg8 29. Qf6+ Bf7 30. Re1 Qd7 31. Qe5 Kg8 32. Qe7 Qc6 33. Qg5 Rb8 34. Rb1 Kg7 35. Qe3 Kg8 36. Qd4 Qd6 37. Qxd6 cxd6 38. b4 Rc8 39. Ne2 Rxc2 40. Nf4 Be8 41. Rd1 Bc6 42. Kf1 Bf3 43. Re1 Ra2 44. Re3 Ra1+ 45. Re1 Rxa3 46. Ne2 Bxe2+ 47. Rxe2 Ra1+ 48. Kg2 Kf7 49. Kf3 Rb1 50. Rd2 Ke6 51. Ra2 Rxb4 52. Rxa6 Rb7 53. Ke3 g5 54. h4 Rb3+ 55. Ke2 gxh4 56. gxh4 Rb4 57. Ra8 Rxh4 58. Re8+ Kd5 59. Rf8 Ke6 60. Re8+ Kf7 61. Rd8 Ke7 62. Ra8 Re4+ 63. Kf3 h5 64. Rh8 h4 65. Rh7+ Ke6 66. Rh6+ Ke5 67. Rh8 d5 68. Re8+ Kd4 69. Rf8 Kd3 70. Rxf5 d4 71. Ra5 Re8 72. Rh5 Kc3 73. Rc5+ Kd2 74. Ra5 d3 75. Ra2+ Kc1 76. Ra1+ Kb2 77. Ra7 d2 78. Rb7+ Kc1 79. Rc7+ Kd1 80. Rd7 Ke1 81. Kg4 d1Q+ 82. Rxd1+ Kxd1 83. Kxh4 Ke2 84. f4 Kf3 85. f5 Kf4 86. f6 Rh8# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "5"]
[White "Mrozowski, Nikodem"]
[Black "Perkowski, Jakub"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1282"]
[BlackElo "1156"]
[PlyCount "105"]
[EventDate "2022.03.08"]
[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. c3 d5 4. Qa4 f6 5. exd5 Qxd5 6. d4 Bd7 7. Qc4 Qxc4 8. Bxc4 0-0-0 9. dxe5 Nxe5 10. Nxe5 fxe5 11. Be3 Kb8 12. 0-0 Nf6 13. h3 Bd6 14. Nd2 h6 15. a4 g5 16. b4 Rh7 17. b5 Rg7 18. a5 h5 19. Rfb1 h4 20. f3 Bf5 21. Rb2 b6 22. axb6 cxb6 23. Rba2 Bc8 24. Ne4 Nxe4 25. fxe4 Bc5 26. Bxc5 bxc5 27. b6 axb6 28. Ra8+ Kc7 29. R1a7+ Bb7 30. Rxb7+ Kxb7 31. Rxd8 g4 32. Rg8 Rxg8 33. Bxg8 gxh3 34. gxh3 Ka6 35. Kf2 Kb5 36. Kf3 Ka4 37. Kg4 b5 38. Kxh4 b4 39. cxb4 cxb4 40. Kg5 b3 41. Bxb3+ Kxb3 42. h4 Kc4 43. h5 Kd4 44. Kf5 Ke3 45. h6 Kf3 46. h7 Kg3 47. h8Q Kf3 48. Qh3+ Kf2 49. Qd3 Kg2 50. Kg4 Kf2 51. Qd2+ Kf1 52. Kg3 Kg1 53. Qd1# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "4"]
[White "Perkowski, Jakub"]
[Black "Klonowski, Kacper"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1156"]
[BlackElo "1315"]
[PlyCount "62"]
[EventDate "2022.03.08"]
[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. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 0-0 9. h3 Rd8 10. Be3 cxd4 11. cxd4 Qd6 12. Nc3 h6 13. Bc2 Nb4 14. Nb5 Qb8 15. Qd2 Nbd5 16. a3 Bd7 17. Nc3 Bc6 18. Nxd5 Bxd5 19. Bxh6 Bf8 20. Bg5 Be7 21. Bf4 Bd6 22. Bxd6 Qxd6 23. Ne5 Bc6 24. Nxc6 bxc6 25. Rad1 c5 26. Be4 Rab8 27. Qa5 cxd4 28. Re2 Nxe4 29. Rxe4 d3 30. Qd2 Qc6 31. Re3 Rb3 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.10"]
[Round "3"]
[White "Rutkowski, Feliks"]
[Black "Perkowski, Jakub"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1255"]
[BlackElo "1156"]
[PlyCount "134"]
[EventDate "2022.03.08"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 a6 7. Bb3 Ba7 8. Re1 0-0 9. Nbd2 Ng4 10. Re2 Kh8 11. h3 Nh6 12. Nf1 f5 13. Bxh6 gxh6 14. N1h2 f4 15. d4 Qf6 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Nf3 Qg7 19. Kh1 a5 20. Qd5 Re8 21. Rd1 c6 22. Qd6 Bb8 23. Qd8 Qf8 24. Red2 Kg7 25. Qh4 a4 26. Bc4 b5 27. Be2 Bc7 28. Rd7+ Bxd7 29. Rxd7+ Kh8 30. Rxc7 Qd6 31. Rf7 Qg6 32. Qf6+ Kg8 33. Qxg6+ hxg6 34. Rf6 Kg7 35. Rxc6 Rab8 36. Rc5 b4 37. c4 Kf6 38. Rd5 a3 39. b3 Re6 40. g3 g5 41. g4 Rb7 42. Ne1 Reb6 43. Nd3 Rc6 44. Rxe5 Rcb6 45. Rf5+ Ke7 46. Rd5 Ke8 47. Kg2 Re7 48. Re5 Rxe5 49. Nxe5 Re6 50. Nd3 Rxe4 51. Kf3 Rd4 52. Nxb4 Kd7 53. Bd3 Rd6 54. Nd5 Kc6 55. Be4 Kc5 56. Ke2 Kd4 57. f3 Rd7 58. Nb4 Kc3 59. Nd5+ Kb2 60. Kd2 Kxa2 61. Kc3 Ka1 62. b4 h5 63. gxh5 g4 64. hxg4 a2 65. c5 Rc7 66. Kb3 Rxc5 67. Ka3 Rc3+ 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.09"]
[Round "2"]
[White "Perkowski, Jakub"]
[Black "Korszanski, Stanislaw"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1156"]
[BlackElo "1443"]
[PlyCount "120"]
[EventDate "2022.03.08"]
[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. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a6 7. b4 Ba7 8. h3 Be6 9. Bxe6 fxe6 10. Nbd2 0-0 11. 0-0 d5 12. Qe2 Nh5 13. Kh2 Nf4 14. Qe1 Nxd3 15. Qe2 Nf4 16. Qe1 d4 17. Nc4 dxc3 18. Qxc3 Bd4 19. Nxd4 exd4 20. Qg3 Ne2 21. Qg4 Nxc1 22. Qxe6+ Kh8 23. Raxc1 Nxb4 24. Ne5 Qd6 25. Qxd6 cxd6 26. Nc4 d5 27. exd5 Nxd5 28. Rcd1 Nc3 29. Rxd4 Nxa4 30. Ra1 b5 31. Ne5 Rxf2 32. Rad1 h6 33. Nf3 a5 34. Rd8+ Rxd8 35. Rxd8+ Kh7 36. Ra8 b4 37. Rxa5 Nc3 38. Rf5 Kg8 39. Rc5 Rc2 40. Nd4 Rd2 41. Rc4 Nd5 42. Rc8+ Kh7 43. Rc4 Rxg2+ 44. Kxg2 Ne3+ 45. Kf3 Nxc4 46. Ke4 Kg6 47. Kd5 Ne3+ 48. Kc5 Kg5 49. Kxb4 Kh4 50. Kc3 Kxh3 51. Kd3 Ng2 52. Nf5 Nf4+ 53. Ke4 Ne6 54. Ke5 h5 55. Kxe6 g5 56. Kf6 Kg4 57. Ne3+ Kf4 58. Ng2+ Kg4 59. Ne3+ Kh4 60. Ng2+ Kg4 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.08"]
[Round "1"]
[White "Jasinski, Bartlomiej"]
[Black "Perkowski, Jakub"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1156"]
[PlyCount "64"]
[EventDate "2022.03.08"]
[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. Bf4 e6 3. e3 d5 4. Nf3 c5 5. Bd3 Nc6 6. c3 Bd6 7. Bg3 0-0 8. Nbd2 b6 9. a3 a5 10. Qa4 Qd7 11. Bb5 Bb7 12. dxc5 bxc5 13. Bxd6 Qxd6 14. Bxc6 Bxc6 15. Qc2 Bb5 16. a4 Ba6 17. b3 Rab8 18. Rb1 e5 19. c4 Qe6 20. 0-0 dxc4 21. bxc4 Rb4 22. Rxb4 cxb4 23. Rc1 Rc8 24. e4 h6 25. Nh4 g6 26. c5 Bb7 27. Nb3 Bxe4 28. Qb2 Qg4 29. f3 Qxh4 30. fxe4 Qxe4 31. Nxa5 Rxc5 32. Rxc5 Qe1# 0-1

