[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "1"]
[White "Businski, Jan"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1299"]
[BlackElo "2038"]
[PlyCount "48"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Nf3 Nc6 9. Be2 Qa5 10. Qd2 cxd4 11. cxd4 Qxd2+ 12. Nxd2 e6 13. 0-0 0-0 14. Bf3 dxc4 15. Nxc4 Bd7 16. Nd6 Rfb8 17. Bg3 Nb4 18. Ne4 Rc8 19. Nd6 Rcb8 20. Rab1 Bc6 21. Bxc6 bxc6 22. Ne4 Rb5 23. Nc5 Bf8 24. Nd7 Rc8 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.16"]
[Round "9"]
[White "Leoniuk, Stanislaw"]
[Black "Businski, Jan"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1108"]
[PlyCount "57"]
[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. Nc3 Nf6 4. e5 c5 5. exf6 gxf6 6. Nf3 Nc6 7. dxc5 Bxc5 8. b3 Qb6 9. Qe2 Nd4 10. Nxd4 Bxd4 11. Bd2 Bxc3 12. Bxc3 e5 13. Qb5+ Qxb5 14. Bxb5+ Bd7 15. Bxd7+ Kxd7 16. 0-0-0 d4 17. Bb2 Rac8 18. f4 Rc6 19. Rhe1 Ke6 20. Bxd4 Rhc8 21. c4 b5 22. c5 Kf5 23. fxe5 fxe5 24. Rxe5+ Kg6 25. b4 Rd6 26. Bc3 Rxd1+ 27. Kxd1 Rd8+ 28. Kc2 f6 29. Re6 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 "Boncela, Milosz"]
[Black "Businski, Jan"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1116"]
[PlyCount "65"]
[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 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Bb4 9. a3 Bxd2+ 10. Bxd2 Qb6 11. Bc3 0-0 12. Qc2 Kh8 13. Bxh7 f6 14. exf6 Nxf6 15. Bg6 Ng4 16. 0-0 Qc7 17. Ng3 Rf6 18. h3 Nxf2 19. Rxf2 Qxg3 20. Rxf6 gxf6 21. Rf1 Qe3+ 22. Qf2 Qxf2+ 23. Rxf2 a6 24. Be8 e5 25. Bxc6 bxc6 26. dxe5 fxe5 27. Bxe5+ Kg8 28. Rf6 Bb7 29. Rg6+ Kf8 30. Rg7 Rb8 31. Rh7 Re8 32. Bd6+ Kg8 33. Rxb7 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.13"]
[Round "6"]
[White "Businski, Jan"]
[Black "Rabenda, Grzegorz"]
[Result "0-1"]
[ECO "D94"]
[BlackElo "1069"]
[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. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 d5 8. Nc3 Nc6 9. Bf4 Bg4 10. cxd5 Nxd5 11. Bg3 Nb6 12. Be5 Bxe5 13. dxe5 Rb8 14. Nd2 Nxe5 15. Bxg4 Nxg4 16. Qxg4 Qxd2 17. Rab1 Rfd8 18. Ne4 Qd7 19. Qh4 f6 20. Kh1 Qd4 21. Rfe1 f5 22. Qxe7 fxe4 23. Rxe4 Qxf2 24. Rbe1 Rf8 25. h3 Qf7 26. Qa3 a6 27. Re7 Qf6 28. Qb3+ Kh8 29. Qe3 Nd5 30. Qe5 Nxe7 31. Qxe7 Qxe7 32. Rxe7 Rf2 33. Kg1 Rxb2 34. Re1 Rxa2 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "4"]
[White "Businski, Jan"]
[Black "Dymara, Jerzy"]
[Result "0-1"]
[ECO "D32"]
[BlackElo "1209"]
[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. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 d4 5. Ne4 Nf6 6. Nxf6+ gxf6 7. Nf3 Bxc5 8. e3 Nc6 9. a3 dxe3 10. Qxd8+ Kxd8 11. Bxe3 Bxe3 12. fxe3 Ke7 13. Nd4 Bd7 14. Be2 a6 15. 0-0 Rhg8 16. Rf2 Nxd4 17. exd4 Bc6 18. Re1 Rac8 19. d5 Ba4 20. dxe6 fxe6 21. Bf3 Bc6 22. Bd5 Bxd5 23. cxd5 e5 24. Rd1 Rgd8 25. Rfd2 Rd6 26. Rd3 Rc2 27. b4 e4 28. Re3 f5 29. Rh3 h6 30. Rh5 Rf6 31. d6+ Kd7 32. Rd5 e3 33. Rhxf5 Rc1+ 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "5"]
[White "Ejsymont, Eryk"]
[Black "Businski, Jan"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1234"]
[PlyCount "53"]
[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. Bf4 c6 5. e3 Qa5 6. a3 Ne4 7. Qc2 Nxc3 8. Qxc3 Qxc3+ 9. bxc3 Na6 10. Nf3 Be7 11. cxd5 cxd5 12. Bb5+ Bd7 13. a4 Bc6 14. Ne5 Rc8 15. Nxc6 Rxc6 16. Bxc6+ bxc6 17. Rb1 Bd8 18. Kd2 Bb6 19. a5 Bxa5 20. Ra1 e5 21. Rxa5 exf4 22. Rxa6 fxe3+ 23. fxe3 0-0 24. Rxa7 g6 25. Rb1 Kg7 26. c4 Rd8 27. Rbb7 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.10"]
[Round "3"]
[White "Businski, Jan"]
[Black "Rogaczewski, Olaf"]
[Result "1-0"]
[ECO "A53"]
[BlackElo "1174"]
[PlyCount "129"]
[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 d6 2. c4 Nf6 3. Nc3 Nc6 4. Nf3 e6 5. Bg5 Be7 6. e3 0-0 7. Be2 d5 8. 0-0 Ne4 9. Bxe7 Nxe7 10. Nxe4 dxe4 11. Nd2 f5 12. f3 exf3 13. Nxf3 b6 14. Qe1 Ng6 15. Rd1 Bb7 16. c5 Qe7 17. Bc4 bxc5 18. dxc5 Kh8 19. Nd4 e5 20. Nxf5 Qxc5 21. Bb3 e4 22. Nd4 Rxf1+ 23. Qxf1 Rf8 24. Qe1 Qe7 25. Ne6 Rb8 26. Qc3 c6 27. Qd4 Nf8 28. Qd8 Qxd8 29. Rxd8 Rxd8 30. Nxd8 Ba8 31. Nf7+ Kg8 32. Nd6+ Kh8 33. Nxe4 g6 34. Nc5 Kg7 35. Kf2 Kf6 36. Kf3 h5 37. g3 g5 38. h3 Ng6 39. e4 Ne5+ 40. Ke3 Ke7 41. h4 Ng4+ 42. Kf3 Ne5+ 43. Kg2 g4 44. Kf2 Kd6 45. Na4 c5 46. Ke3 Bc6 47. Nc3 Ng6 48. Bd5 Bxd5 49. Nxd5 Ke5 50. b3 Nf8 51. Nf4 Nd7 52. Nxh5 Nb6 53. Nf4 c4 54. Ne2 cxb3 55. axb3 Nd7 56. Nc1 Nf6 57. Nd3+ Ke6 58. Kf4 Kf7 59. Ne5+ Kg7 60. Nxg4 Nh5+ 61. Kf3 Kg6 62. Ne5+ Kf6 63. Kg4 Ng7 64. Nc6 a6 65. Nb4 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.09"]
[Round "2"]
[White "Kisiel, Wiktor"]
[Black "Businski, Jan"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1210"]
[PlyCount "71"]
[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 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Bb4 6. Bd2 Qa5 7. a3 Be7 8. Nxd5 Qd8 9. Nxe7 Qxe7 10. Qc2 0-0 11. Bb4 Qc7 12. Bxf8 Kxf8 13. Bd3 Kg8 14. 0-0 Nbd7 15. e4 e5 16. d5 Nf8 17. b4 Bg4 18. Be2 cxd5 19. exd5 Nxd5 20. h3 Bxf3 21. Bxf3 Nf4 22. Qe4 Rb8 23. Rfe1 N8g6 24. Rad1 f6 25. Bg4 Nf8 26. g3 N4g6 27. Qd5+ Kh8 28. Qd6 Qxd6 29. Rxd6 b5 30. c5 Ne7 31. Red1 f5 32. Rd8 Rxd8 33. Rxd8 Kg8 34. Be2 a6 35. Ra8 Nc6 36. Rxa6 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.08"]
[Round "1"]
[White "Pawlikowski, Wladyslaw"]
[Black "Businski, Jan"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1189"]
[PlyCount "72"]
[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 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Nb3 c4 8. Nbd2 Be7 9. b3 cxb3 10. Nxb3 0-0 11. Bf4 a6 12. Be2 f6 13. Bg3 Qe8 14. 0-0 fxe5 15. Nxe5 Ndxe5 16. dxe5 Qg6 17. Nd4 Bd7 18. Rb1 Nxd4 19. cxd4 Bc6 20. Qd2 Bg5 21. f4 Bh6 22. Rb2 Rac8 23. Bd3 Qg4 24. Rf3 Qh5 25. Qc2 g6 26. Qf2 Bb5 27. Bxb5 axb5 28. Rb1 Qf5 29. Qb2 Qe4 30. Rbf1 Rf7 31. Bh4 Rxf4 32. Rxf4 Bxf4 33. Qxb5 Bxh2+ 34. Kh1 Qxh4 35. Qxb7 Bg3+ 36. Kg1 Qh2# 0-1

