[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "4"]
[White "Chmielek, Milan"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1368"]
[BlackElo "1063"]
[PlyCount "116"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 Nbd7 6. cxd5 exd5 7. e3 0-0 8. Bd3 h6 9. Bh4 b6 10. 0-0 Bb7 11. a3 c5 12. Bc2 c4 13. Rc1 a6 14. Bb1 Rc8 15. Qc2 Ne4 16. Bxe7 Qxe7 17. Nxe4 dxe4 18. Nd2 Nf6 19. Qd1 b5 20. Qe2 Rfd8 21. Rfd1 c3 22. Rxc3 Rxc3 23. bxc3 Qxa3 24. Qe1 Qxc3 25. Rc1 Qa5 26. Qd1 Rc8 27. Rxc8+ Bxc8 28. Nxe4 Nxe4 29. Bxe4 b4 30. Bb1 Be6 31. e4 Ba2 32. d5 Bxb1 33. Qxb1 b3 34. d6 Qa2 35. Qf1 b2 36. d7 Qa5 37. Qd1 b1Q 38. Qxb1 Qc7 39. Qd1 Qd8 40. f3 a5 41. Kf1 Kf8 42. Qd3 Ke7 43. Ke2 Qxd7 44. Qa3+ Qd6 45. Qxa5 Ke6 46. Qf5+ Ke7 47. Ke3 Qa3+ 48. Kf4 Qc1+ 49. Kg4 g6 50. Qe5+ Kf8 51. h4 h5+ 52. Kg3 Qe1+ 53. Kf4 Qd2+ 54. Kg3 Qe1+ 55. Kh3 Qh1+ 56. Kg3 Qg1 57. Kf4 Qf1 58. Ke3 f6 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.08"]
[Round "6"]
[White "Szekowski, Mateusz"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "121"]
[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 e6 3. c3 d5 4. e5 Nc6 5. d4 Qc7 6. Be3 b6 7. Bb5 a6 8. Bxc6+ Qxc6 9. 0-0 Bd7 10. Nbd2 c4 11. Rc1 Ne7 12. b3 b5 13. bxc4 bxc4 14. Rb1 Nf5 15. Bf4 Be7 16. Qe2 0-0 17. Rfc1 Ba3 18. Re1 Rab8 19. Rxb8 Rxb8 20. Rb1 Rxb1+ 21. Nxb1 h6 22. Nxa3 Qa4 23. Nb1 Bb5 24. g4 Ne7 25. g5 Ng6 26. Bg3 h5 27. Nh4 Ne7 28. Nf3 Ng6 29. Ne1 h4 30. Qc2 hxg3 31. hxg3 Ne7 32. Qxa4 Bxa4 33. Na3 Nf5 34. Nec2 a5 35. Kf1 Kh7 36. Kg2 Kg6 37. f4 Kh5 38. Kf3 Ne7 39. Ne3 Ng8 40. Naxc4 dxc4 41. Nxc4 Bc6+ 42. Kf2 a4 43. Nd6 Kg6 44. c4 Ne7 45. g4 Ba8 46. a3 Bc6 47. Ke3 Ba8 48. Nb5 f6 49. gxf6 gxf6 50. Nc7 Bc6 51. Nxe6 f5 52. g5 Be4 53. Nc5 Bc6 54. e6 Kh5 55. Nd7 Ba8 56. Nf6+ Kg6 57. d5 Kg7 58. d6 Kf8 59. d7 Nc6 60. g6 Kg7 61. e7 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.07"]
[Round "5"]
[White "Kochanowski, Jakub"]
[Black "Piotrowski, Maciej1111"]
[Result "1-0"]
[ECO "C51"]
[BlackElo "1126"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Nxe5 Nxc4 8. Nxc4 d6 9. 0-0 Bd7 10. Re1 Bb5 11. Nba3 Qd7 12. Qb3 Ba4 13. Qxb7 Bc6 14. Qb3 d5 15. Ne5 Qd6 16. Nxc6 Qxc6 17. exd5 Qd6 18. Nb5 Qd7 19. Ba3 Kd8 20. Bxe7+ Nxe7 21. Nxa7 Rxa7 22. Qb8+ Nc8 23. Qb3 Ra6 24. a4 Re8 25. Rec1 Ra5 26. c4 Nb6 27. c5 Qxd5 28. Qb4 Rxa4 29. Rxa4 Nxa4 30. Qxa4 Re4 31. Rd1 Rg4 32. g3 h5 33. Re1 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "4"]
[White "Feseniuk, Pavlo"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1276"]
[PlyCount "105"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 a6 6. 0-0 Qc7 7. Qe2 Bd6 8. h3 b5 9. a4 b4 10. f4 Bc5 11. c3 d6 12. Kh1 Bb7 13. Be3 Bxe4 14. Nd2 Bb7 15. Rfc1 e5 16. N4b3 Bxe3 17. Qxe3 bxc3 18. Rxc3 Qe7 19. Rac1 0-0 20. Rc7 Bxg2+ 21. Kxg2 Qe6 22. R7c2 Nd5 23. Qf3 Nxf4+ 24. Kh2 Nd7 25. Rc6 Nf6 26. Bxa6 N6d5 27. Bb5 Nb4 28. R6c4 Nbd3 29. Rb1 Rab8 30. Rc3 Nb4 31. Nc1 Kh8 32. b3 Nbd5 33. Rc6 f5 34. Bc4 e4 35. Qxf4 Nxf4 36. Bxe6 Nxe6 37. Rxd6 Ng5 38. h4 Nf7 39. Rd5 Nh6 40. Ne2 Ng4+ 41. Kg3 e3 42. Nf3 h5 43. b4 Rbc8 44. Rb2 Rc4 45. Rd4 Rc6 46. b5 Rg6 47. Ng5 Nf6 48. Nf4 Ne4+ 49. Rxe4 Rxg5+ 50. hxg5 fxe4 51. Ng6+ Kg8 52. Nxf8 Kxf8 53. Re2 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "3"]
[White "Kochanowski, Jakub"]
[Black "Mazgaj, Bartosz"]
[Result "0-1"]
[ECO "C07"]
[BlackElo "1094"]
[PlyCount "120"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nc6 6. Bc4 Qd8 7. Nb3 cxd4 8. Nbxd4 Nxd4 9. Qxd4 Qa5+ 10. Bd2 Qc5 11. 0-0-0 Qxd4 12. Nxd4 a6 13. Nb3 b5 14. Bd3 Bb7 15. f3 Bd6 16. Bc3 Nf6 17. Bxh7 Bf4+ 18. Kb1 Rxh7 19. g3 Bc7 20. Rd3 Bxg3 21. Bxf6 gxf6 22. Rg1 Be5 23. Na5 Bd5 24. Rxd5 exd5 25. Rg8+ Kd7 26. Rxa8 Rxh2 27. a3 Bc7 28. Nb3 a5 29. Ra7 Kd6 30. Nd4 Bb6 31. Ra6 Kc7 32. Nb3 Kb7 33. Nc5+ Bxc5 34. Rxf6 Rh8 35. Rxf7+ Kc6 36. Rf6+ Bd6 37. Re6 Rh1+ 38. Ka2 Rf1 39. Re3 a4 40. Rc3+ Bc5 41. b4 axb3+ 42. Kxb3 Ra1 43. Kb2 Rd1 44. Kb3 Kb6 45. a4 bxa4+ 46. Kxa4 Ra1+ 47. Kb3 Ra3+ 48. Kb2 Bd4 49. Kxa3 Bxc3 50. Kb3 d4 51. Kc4 Kc6 52. Kd3 Kd5 53. f4 Bb2 54. f5 Ke5 55. f6 Kxf6 56. Ke4 Ke6 57. Kd3 Kd5 58. Kd2 Kc4 59. Ke2 Kc3 60. Kd1 Ba3 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.04"]
[Round "1"]
[White "Kochanowski, Jakub"]
[Black "Matysik, Tomasz"]
[Result "0-1"]
[ECO "B17"]
[BlackElo "1202"]
[PlyCount "64"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Qe2 e6 6. Bd2 Ngf6 7. Nf3 Be7 8. 0-0-0 a5 9. Bf4 Nxe4 10. Qxe4 Nf6 11. Qd3 a4 12. Qc3 Nd5 13. Qd2 a3 14. b3 Bb4 15. c3 Bxc3 16. Qc2 Bb2+ 17. Kb1 Nc3+ 18. Qxc3 Bxc3 19. Be5 f6 20. Bf4 e5 21. Nxe5 fxe5 22. Bxe5 0-0 23. Bc4+ Kh8 24. h4 Rxf2 25. g3 Rb2+ 26. Kc1 Rxa2 27. Rhf1 Ra1+ 28. Kc2 Rxd1 29. Rf7 Bxd4 30. Rxg7 Bxe5 31. Rg8+ Qxg8 32. Bxg8 Kxg8 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.08"]
[Round "9"]
[White "Kochanowski, Jakub"]
[Black "Roszkowski, Filip"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "75"]
[EventDate "2022.05.04"]
[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. b4 Bxb4 5. c3 Be7 6. d4 exd4 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 d6 10. Bb5 a6 11. Bc4 Nf6 12. 0-0 0-0 13. Qc2 h6 14. Rfe1 Bg4 15. h3 Bxf3 16. Nxf3 d5 17. exd5 Nxd5 18. Rad1 Ndb4 19. Qb3 b5 20. Bf1 Nd5 21. g3 Nb6 22. Bg2 Rb8 23. Nh4 Na5 24. Qa3 Nbc4 25. Qc5 Qd6 26. Qh5 Rfe8 27. Nf5 Qg6 28. Qxg6 fxg6 29. Ne7+ Kf7 30. Bd5+ Kf6 31. Re6+ Kf7 32. Rde1 Red8 33. Bxc4 bxc4 34. Rxa6 c3 35. Rxa5 c2 36. Nc6 Rb1 37. Nxd8+ Kg8 38. Rae5 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.07"]
[Round "7"]
[White "Kochanowski, Jakub"]
[Black "Panasiuk, Stanislaw"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "88"]
[EventDate "2022.05.04"]
[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 g6 3. e3 Bg7 4. Nf3 0-0 5. c3 d6 6. Nbd2 Nbd7 7. Bd3 Re8 8. Qc2 e5 9. Bg3 b6 10. Be4 d5 11. dxe5 Nxe4 12. Nxe4 dxe4 13. Qxe4 Ba6 14. 0-0-0 Qc8 15. Rd2 Nc5 16. Qf4 Be2 17. Kb1 Bd3+ 18. Ka1 Ne4 19. Rxd3 Nc5 20. Rd2 Qa6 21. Qb4 Nd3 22. Qd4 Nc5 23. Kb1 Rad8 24. Qh4 Rxd2 25. Nxd2 Qe2 26. Nf3 Nd3 27. Qb4 Nxb4 28. cxb4 Qd3+ 29. Ka1 Qc4 30. a3 Qd5 31. Rc1 c5 32. bxc5 bxc5 33. e4 Qxe4 34. Rxc5 Rb8 35. e6 Bxb2+ 36. Ka2 Qxe6+ 37. Kb1 Bd4+ 38. Bxb8 Bxc5 39. Be5 Bxa3 40. h3 Qb3+ 41. Ka1 a5 42. h4 a4 43. h5 gxh5 44. Bf6 Bb4 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.07"]
[Round "8"]
[White "Remiszewski, Krzysztof"]
[Black "Kochanowski, Jakub"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "46"]
[EventDate "2022.05.04"]
[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. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nc6 6. Be3 Nf6 7. dxc5 Ne4 8. Bb5 Bxc5 9. Bxc5 Nxc5 10. b4 Ne4 11. Bxc6+ bxc6 12. 0-0 0-0 13. Nbd2 Nxc3 14. Qc2 Ne2+ 15. Kh1 Bb7 16. Rfe1 Nf4 17. Nd4 Qf6 18. N4f3 Rfe8 19. g3 Ng6 20. Rab1 d4 21. b5 cxb5 22. Rxb5 Bxf3+ 23. Nxf3 Qxf3+ 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.06"]
[Round "5"]
[White "Kochanowski, Jakub"]
[Black "Yuzko, Pavlo"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "97"]
[EventDate "2022.05.04"]
[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 g6 2. Bf4 Bg7 3. e3 d6 4. Nf3 Nf6 5. Bd3 0-0 6. c3 Be6 7. Nbd2 Nbd7 8. Qc2 c5 9. 0-0-0 cxd4 10. exd4 Bxa2 11. b3 Qa5 12. Nc4 Bxb3 13. Nxa5 Bxc2 14. Bxc2 b6 15. Nc6 e6 16. Bxd6 Rfe8 17. Be5 Nxe5 18. Nfxe5 Nd5 19. Kd2 Nf4 20. g3 Nh3 21. Ke2 Ng5 22. f4 Nh3 23. Kf3 f6 24. Ng4 h5 25. Ne3 g5 26. Bg6 g4+ 27. Kg2 Rf8 28. Ne7+ Kh8 29. Bxh5 Rfd8 30. Bxg4 Rd7 31. Ng6+ Kh7 32. Nh4 Rc8 33. Bxe6 Rxc3 34. Bxd7 Rxe3 35. Kxh3 a5 36. Nf5 Rc3 37. Nxg7 Kxg7 38. Rhe1 Rc7 39. Re7+ Kg6 40. Bf5+ Kxf5 41. Rxc7 a4 42. Re7 a3 43. Rf1 a2 44. g4+ Kg6 45. Kh4 f5 46. g5 b5 47. Rc1 a1Q 48. Rxa1 b4 49. Ra6# 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.06"]
[Round "6"]
[White "Pigas, Grzegorz"]
[Black "Kochanowski, Jakub"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "74"]
[EventDate "2022.05.04"]
[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. c3 e6 3. Nf3 Nc6 4. Bd3 Qc7 5. Bb5 d5 6. exd5 exd5 7. 0-0 Bd7 8. Re1+ Be7 9. c4 a6 10. Bxc6 Bxc6 11. cxd5 Bxd5 12. Qa4+ b5 13. Qc2 Nf6 14. Nc3 Bxf3 15. gxf3 0-0 16. d3 Bd6 17. f4 Rfe8 18. Bd2 Nh5 19. Ne4 Bxf4 20. Bxf4 Qxf4 21. Qxc5 Nf6 22. Qc6 Ng4 23. Qd6 Rxe4 24. Qxf4 Rxf4 25. Re7 Kf8 26. Rae1 Nxf2 27. R7e2 Nxd3 28. Rd1 Rg4+ 29. Kf1 Nf4 30. Re4 f5 31. Re5 Nh3 32. Rd7 Rg1+ 33. Ke2 Re8 34. Rxe8+ Kxe8 35. Rd3 Nf4+ 36. Ke3 Nxd3 37. Kxd3 Re1 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.05"]
[Round "3"]
[White "Kochanowski, Jakub"]
[Black "Ziomek, Igor"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "67"]
[EventDate "2022.05.04"]
[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. Nd2 c5 4. c3 Nc6 5. Ngf3 Bd7 6. Bd3 cxd4 7. cxd4 Nge7 8. 0-0 g6 9. Nb3 Bg7 10. Bg5 b6 11. Rc1 0-0 12. Qd2 Re8 13. Bh6 Bh8 14. Qf4 Qb8 15. e5 Nb4 16. Ng5 f5 17. Bb1 Bb5 18. Rfd1 Be2 19. Rd2 Ba6 20. Nxe6 Rc8 21. Rxc8+ Qxc8 22. Ng5 Bc4 23. Rd1 Be2 24. Re1 Bd3 25. Rc1 Qe8 26. Ne6 Qb8 27. Nc7 Bxb1 28. Nxa8 Bxa2 29. Qd2 Na6 30. Ra1 Bxb3 31. Rxa6 Qxa8 32. Qb4 Bc4 33. Qxe7 Bxa6 34. Qe6# 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.05"]
[Round "4"]
[White "Korzeniowski, Wojciech"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "129"]
[EventDate "2022.05.04"]
[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 e5 2. Nc3 Nf6 3. e3 Qe7 4. Nf3 Nc6 5. b3 g6 6. Bb2 Bg7 7. Be2 d6 8. 0-0 Bf5 9. Re1 0-0-0 10. d4 d5 11. cxd5 Nb4 12. Ba3 Nfxd5 13. Nxd5 Rxd5 14. Bc4 Rd7 15. e4 Bg4 16. h3 Rxd4 17. Qe2 Bxf3 18. Qxf3 c5 19. Bxb4 cxb4 20. Qxf7 Qxf7 21. Bxf7 Rf8 22. Bd5 Rf6 23. Rac1+ Kb8 24. f3 Bh6 25. Rc4 Bd2 26. Rxd4 exd4 27. Rd1 Be3+ 28. Kh1 Ra6 29. Ra1 d3 30. Bc4 Rd6 31. Rd1 d2 32. Bd5 Rd8 33. g3 Rc8 34. Bc4 b5 35. Bxb5 Rc1 36. Be2 Kc7 37. Kg2 Kb6 38. f4 Kc5 39. Kf3 Kd4 40. e5 Rxd1 41. Bxd1 Bg1 42. e6 Kd5 43. e7 Kd4 44. e8Q Kc3 45. Qe5+ Kd3 46. Qe4+ Kc3 47. Qc2+ Kd4 48. Qxd2+ Kc5 49. Ke4 a5 50. Qd5+ Kb6 51. Ke5 Bc5 52. Qe6+ Kc7 53. Qf7+ Kc6 54. Qxh7 a4 55. Qxg6+ Kb7 56. h4 axb3 57. Bxb3 Kc7 58. h5 Kb7 59. h6 Kc7 60. h7 Kd7 61. h8R Be7 62. Rh7 Kd8 63. Ke6 Bf8 64. Rd7+ Kc8 65. Qe8# 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.04"]
[Round "1"]
[White "Kochanowski, Jakub"]
[Black "Cichecki, Adam"]
[Result "0-1"]
[ECO "E70"]
[PlyCount "114"]
[EventDate "2022.05.04"]
[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. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. d4 cxd4 6. Nxd4 0-0 7. Bd3 d6 8. 0-0 Bg4 9. f3 Bd7 10. Be3 Qb6 11. Nf5 Qd8 12. Ng3 Nc6 13. Nd5 Ne5 14. f4 Nxd3 15. Qxd3 Nxd5 16. Qxd5 Bc6 17. Qd2 Qc7 18. Rac1 a6 19. c5 dxc5 20. Rxc5 Rad8 21. Qc2 Qd7 22. e5 Qd3 23. Qxd3 Rxd3 24. Re1 Rfd8 25. Rc3 Rxc3 26. bxc3 Rd3 27. Bd4 Rd2 28. Ra1 Rxg2+ 29. Kf1 Rxh2 30. f5 Rh3 31. f6 exf6 32. exf6 Bf8 33. Ne2 Rf3+ 34. Kg1 h5 35. Rd1 Kh7 36. Bf2 Rxf6 37. Rd8 Bg7 38. Bd4 Rf5 39. Ng3 Rg5 40. Bxg7 Rxg3+ 41. Kf2 Rf3+ 42. Ke2 Kxg7 43. c4 Ra3 44. Kd2 Rxa2+ 45. Kc3 Rg2 46. Kb4 h4 47. Rd3 Rg3 48. Rd2 h3 49. Rh2 Bg2 50. Ka5 g5 51. Kb6 g4 52. Kc5 Ra3 53. Kb4 g3 54. Rxh3 Bxh3 55. Kxa3 g2 56. c5 g1Q 57. Kb3 Qxc5 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.04"]
[Round "2"]
[White "Radziszewski, Leon"]
[Black "Kochanowski, Jakub"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "68"]
[EventDate "2022.05.04"]
[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. Qxd4 Nc6 5. Qd1 d5 6. exd5 Qxd5 7. Bd2 Bb4 8. a3 Bxd2+ 9. Nbxd2 Nf6 10. Bc4 Qd6 11. 0-0 0-0 12. Bb5 Rd8 13. Re1 Nd4 14. Nxd4 Qxd4 15. Re2 e5 16. c3 Qd6 17. h3 a6 18. Bc4 Nh5 19. Ba2 Nf4 20. Re1 Qxd2 21. Qa4 Bd7 22. Qb3 Be6 23. Qd1 Qxd1 24. Raxd1 Rxd1 25. Rxd1 Bxa2 26. Kf1 Bc4+ 27. Kg1 h5 28. Rd7 h4 29. Rxb7 Rd8 30. Kh2 Nxg2 31. Kxg2 Bd5+ 32. Kh2 Bxb7 33. c4 Rd1 34. c5 Rh1# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.16"]
[Round "9"]
[White "Kochanowski, Jakub"]
[Black "Sulek, Grzegorz"]
[Result "1-0"]
[ECO "B41"]
[BlackElo "1006"]
[PlyCount "99"]
[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. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. f3 Bc5 7. Be3 0-0 8. Be2 Qc7 9. Nd2 Qb6 10. N2b3 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 d6 13. Rc1 Nbd7 14. Qa5 Qxa5+ 15. Nxa5 Nc5 16. b4 Ncd7 17. 0-0 Nb8 18. Rfd1 Rd8 19. Ndb3 b6 20. e5 Nfd7 21. c5 bxa5 22. c6 Nxc6 23. Rxc6 Nxe5 24. Rcxd6 Rxd6 25. Rxd6 Bb7 26. Nxa5 Bd5 27. a3 f6 28. Rxa6 Kf7 29. Rxa8 Bxa8 30. Ba6 Nc6 31. Nxc6 Bxc6 32. Kf2 Ke7 33. Ke3 Kd7 34. Kd4 Kd6 35. b5 Bd5 36. a4 e5+ 37. Kc3 Kc5 38. a5 e4 39. fxe4 Bxe4 40. g3 g5 41. b6 Kd6 42. Kd4 f5 43. Bc8 Kc6 44. Kc4 f4 45. b7 Kc7 46. a6 Kb8 47. Kd4 Bg2 48. Kc5 f3 49. Kb6 Bh3 50. a7# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.15"]
[Round "8"]
[White "Businski, Jan"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "55"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 b6 8. Be2 Bb7 9. 0-0 Qd6 10. Bg3 Qd7 11. Ne5 Qc8 12. cxd5 exd5 13. Bf3 Nbd7 14. Qb3 c6 15. Rac1 Nxe5 16. dxe5 Ng4 17. Nxd5 Re8 18. Bxg4 Qxg4 19. Nc7 Rac8 20. Nxe8 Rxe8 21. h3 Qg6 22. Qa4 b5 23. Qxa7 Ba8 24. Qd7 Kf8 25. Qd2 c5 26. Qc2 Qg5 27. Qh7 g6 28. Qh8# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.14"]
[Round "7"]
[White "Kochanowski, Jakub"]
[Black "Walas, Leon"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "157"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 9. 0-0 e6 10. Bg5 h6 11. Bf4 Be7 12. Rfe1 0-0 13. Rad1 Nb6 14. c4 Na4 15. Qb3 Nb6 16. Qc2 Re8 17. b3 Rc8 18. Ne5 Nbd7 19. h3 Bb4 20. Re2 Re7 21. Qb2 Nxe5 22. Bxe5 Bd6 23. Qc2 Bxe5 24. dxe5 Nd7 25. Red2 Qc7 26. f4 Nc5 27. Ne4 Nxe4 28. Qxe4 Qb6+ 29. Kh2 Ree8 30. Qd4 Qxd4 31. Rxd4 Kf8 32. Kg3 c5 33. Rd7 Re7 34. Kg4 Ke8 35. R7d3 b6 36. a3 Rb7 37. a4 Rcc7 38. g3 Rd7 39. f5 Rxd3 40. Rxd3 Rd7 41. Rxd7 Kxd7 42. h4 a6 43. h5 Ke7 44. Kf4 f6 45. Ke4 Kf7 46. Kf4 Ke7 47. g4 Kf7 48. exf6 Kxf6 49. Ke4 a5 50. fxe6 Kxe6 51. Kf4 Kf6 52. Kf3 Kg5 53. Kg3 Kf6 54. Kf4 Ke6 55. Ke4 Kf6 56. Kf4 g6 57. hxg6 Kxg6 58. Kf3 Kg5 59. Kg3 Kg6 60. Kf3 Kf6 61. Kf4 Ke6 62. Ke4 Kf6 63. Kf4 Kg6 64. Kf3 Kf7 65. Kg3 Kg7 66. Kf2 Kf6 67. Kf3 Ke5 68. Ke3 Kf6 69. Kf3 Ke5 70. Ke3 Kd6 71. Kf4 Ke6 72. Kf3 Kf6 73. Kf4 Kg6 74. Kf3 Kf6 75. Kf4 Ke6 76. Ke4 Kf6 77. Kf4 Kg6 78. Kf3 Kg5 79. Kg3 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.13"]
[Round "6"]
[White "Czeremcha, Piotr"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1069"]
[PlyCount "31"]
[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. e3 e5 2. b3 d5 3. Bb2 Nc6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. Bxe5 Qe7 7. Nf3 f6 8. Bb2 0-0-0 9. Nd4 Qd6 10. Nc3 a6 11. a4 Ne7 12. Ncb5 axb5 13. axb5 Be8 14. Qg4+ f5 15. Nxf5 Qe6 16. Nxe7+ 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "5"]
[White "Kochanowski, Jakub"]
[Black "Wysocki, Michal1111"]
[Result "1-0"]
[ECO "C65"]
[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. Bb5 Bc5 4. 0-0 Nf6 5. c3 d6 6. d4 exd4 7. cxd4 Bb6 8. d5 a6 9. Ba4 Bxf2+ 10. Rxf2 b5 11. Bb3 Na5 12. Nc3 0-0 13. Bg5 h6 14. Bh4 b4 15. Bxf6 Qxf6 16. Nd2 Qe7 17. Ne2 Bg4 18. h3 Nxb3 19. axb3 Bxe2 20. Qxe2 Qe5 21. Nc4 Qg3 22. Qf3 Qg6 23. Qf5 Qg3 24. Rf3 Qh4 25. e5 g6 26. Qf4 Qh5 27. g4 dxe5 28. gxh5 exf4 29. Rxf4 Rad8 30. Rxa6 g5 31. Rd4 Kh7 32. d6 cxd6 33. Rdxd6 Rxd6 34. Rxd6 Rb8 35. Rb6 Rxb6 36. Nxb6 Kg7 37. Nd5 f5 38. Nxb4 Kf6 39. Nd3 Ke6 40. b4 Kd5 41. b3 Kc6 42. Ne5+ Kd5 43. Nf7 Ke4 44. Nxh6 f4 45. Ng4 f3 46. h6 Kf4 47. h7 Kg3 48. h8Q f2+ 49. Nxf2 g4 50. Qe5+ Kh4 51. Ne4 g3 52. Qg5+ Kxh3 53. Qxg3# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "4"]
[White "Walewski, Szymon"]
[Black "Kochanowski, Jakub"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1004"]
[PlyCount "94"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bd3 a6 7. 0-0 b5 8. a3 Be7 9. f4 Bb7 10. Be3 Nc6 11. Nf3 0-0 12. e5 Ng4 13. h3 Nxe3 14. Qe2 Nxf1 15. Qe4 g6 16. Rxf1 Qb6+ 17. Kh1 Nxe5 18. Qe2 Bxf3 19. gxf3 Nxd3 20. Qxd3 Bf6 21. Nd1 Qd4 22. Qe2 Qxf4 23. Rg1 Be5 24. Rg4 Qh6 25. Qg2 Qc1 26. Qe2 Rac8 27. c3 f5 28. Rg1 Qh6 29. Qg2 Rc4 30. Nf2 g5 31. Nd3 g4 32. fxg4 fxg4 33. Nxe5 dxe5 34. Qg3 Kh8 35. Qxe5+ Qf6 36. Qg3 Qf3+ 37. Qxf3 gxf3 38. Rf1 Rh4 39. Kh2 e5 40. Kg3 Rhf4 41. h4 e4 42. h5 e3 43. h6 f2 44. c4 e2 45. cxb5 exf1Q 46. bxa6 Qg1+ 47. Kh3 f1B# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.10"]
[Round "3"]
[White "Kochanowski, Jakub"]
[Black "Plicner, Filip"]
[Result "0-1"]
[ECO "B72"]
[BlackElo "1010"]
[PlyCount "56"]
[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. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 d6 8. Bb5 Bd7 9. 0-0 0-0 10. Qd2 e5 11. Nxc6 Bxc6 12. Bxc6 bxc6 13. Bh6 Rb8 14. b3 d5 15. Rfe1 Re8 16. Rad1 d4 17. Bxg7 Kxg7 18. Qe2 Qa5 19. Na4 Nd7 20. Qc4 Re6 21. f4 Nb6 22. Qc5 Qa6 23. fxe5 Nxa4 24. bxa4 Qxa4 25. Qxd4 Qxa2 26. Ra1 Qxc2 27. Qxa7 Rb2 28. Rf1 Qxg2# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.09"]
[Round "2"]
[White "Rabenda, Grzegorz"]
[Black "Kochanowski, Jakub"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1069"]
[PlyCount "119"]
[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. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. Qe2 Bd7 8. f4 Nc6 9. Nf3 Be7 10. c4 0-0 11. e5 Ne8 12. Qe4 f5 13. exf6 Nxf6 14. Qe2 d5 15. Ne5 Qb6+ 16. Kh1 Nxe5 17. fxe5 Ne4 18. Bxe4 dxe4 19. Be3 Rxf1+ 20. Qxf1 Qxe3 21. Nc3 Bc5 22. Re1 Qf2 23. Nxe4 Qxf1+ 24. Rxf1 Rf8 25. Rxf8+ Bxf8 26. Nd6 Bxd6 27. exd6 Kf7 28. c5 Ke8 29. b4 b5 30. Kg1 Kd8 31. a3 Kc8 32. Kf2 Kb7 33. Kf3 Kc6 34. Ke4 a5 35. g4 h6 36. h4 a4 37. Ke5 Kb7 38. g5 h5 39. Kd4 Kc8 40. Ke4 Bc6+ 41. Kf4 Kd7 42. Ke5 Bd5 43. Kf4 Ke8 44. g6 Kd7 45. Ke5 Ba2 46. Kf4 Bb3 47. Kg5 Ba2 48. Kxh5 e5 49. Kg5 Ke6 50. h5 Bb1 51. h6 gxh6+ 52. Kh5 Bxg6+ 53. Kg4 Bh5+ 54. Kxh5 Kf6 55. c6 Ke6 56. c7 Kd7 57. Kg4 Kc8 58. Kf5 h5 59. Kxe5 h4 60. Kf4 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.08"]
[Round "1"]
[White "Kochanowski, Jakub"]
[Black "Wons, Krystian"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "1132"]
[PlyCount "66"]
[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 e6 2. d4 d5 3. Nd2 c5 4. c3 Nf6 5. Bd3 Nc6 6. e5 Nd7 7. Ne2 Qb6 8. Nf3 Be7 9. Qc2 c4 10. Bxh7 Nf8 11. Bd3 cxd3 12. Qxd3 Bd7 13. 0-0 0-0-0 14. b4 f6 15. Be3 f5 16. Rfb1 Nh7 17. a4 g5 18. a5 Qc7 19. a6 b6 20. b5 Na5 21. g3 Kb8 22. Nc1 Be8 23. Nb3 Nxb3 24. Rxb3 Bg6 25. Qe2 Rhg8 26. Rc1 Rc8 27. Kh1 f4 28. Bd2 fxg3 29. fxg3 Be4 30. Kg1 Qc4 31. Qxc4 dxc4 32. Rb2 Ba3 33. Nxg5 Nxg5 0-1

