[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 "Sniedziewski, Emil"]
[Black "Leoniuk, Stanislaw"]
[Result "1/2-1/2"]
[ECO "C55"]
[BlackElo "1108"]
[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 e5 2. Nf3 Nc6 3. Bc4 d6 4. Nc3 Be7 5. 0-0 Nf6 6. h3 0-0 7. d3 Na5 8. Bb3 Nxb3 9. axb3 c6 10. Bg5 Nd7 11. Bxe7 Qxe7 12. Re1 Nf6 13. Qd2 h6 14. Rad1 c5 15. Nh2 Nh5 16. Nd5 Qd8 17. Nf1 Be6 18. Nfe3 Nf6 19. Nxf6+ Qxf6 20. b4 b6 21. b5 a6 22. bxa6 Rxa6 23. b3 Rfa8 24. Qc3 Qg5 25. Kh1 Qf6 26. Kg1 Qg5 27. Kf1 Qe7 28. Rb1 Ra3 29. Nc4 Bxc4 30. Qxc4 Qb7 31. b4 R3a4 32. Qb5 cxb4 33. Rxb4 Rxb4 34. Qxb4 Qc6 35. Qb3 Kf8 36. Rb1 Rb8 37. Qd5 Rc8 38. c4 Ke7 39. Ke2 f6 40. Qb5 Qxb5 41. Rxb5 Rb8 42. Ke3 Kd7 43. f4 Kc6 44. Rb2 Ra8 45. f5 Ra4 46. g4 Ra1 47. Rh2 Ra8 1/2-1/2

[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 "Wasilko, Szymon"]
[Black "Leoniuk, Stanislaw"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1011"]
[BlackElo "1108"]
[PlyCount "106"]
[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 d6 4. d4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8. Qxe5 f6 9. Qb5+ c6 10. Qb3 Kd7 11. Bf4 Bd6 12. Bxd6 Kxd6 13. Nc3 Kc7 14. Rd1 Qf8 15. Ne2 Bd7 16. Qg3+ Kc8 17. 0-0 Qb4 18. Qd3 Qe7 19. Rd2 Kc7 20. Qg3+ Qe5 21. Rfd1 Rd8 22. Qxe5+ fxe5 23. Be6 Nf6 24. Bxd7 Rxd7 25. Rxd7+ Nxd7 26. Nc3 Nc5 27. b4 Ne6 28. b5 Nd4 29. bxc6 bxc6 30. Rd2 Rb8 31. g3 Nf3+ 32. Kg2 Nxd2 33. f4 Kd6 34. Kf2 exf4 35. gxf4 Re8 36. Ke3 Nf1+ 37. Kd4 c5+ 38. Kc4 Kc6 39. e5 Nxh2 40. Na4 Nf1 41. Nc3 Rd8 42. Ne2 Ne3+ 43. Kc3 Nf5 44. Kc4 h5 45. e6 Re8 46. e7 Rxe7 47. a4 Rxe2 48. a5 h4 49. a6 h3 50. Kb3 h2 51. c3 h1Q 52. c4 Qh3+ 53. Ka4 Ra2# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "4"]
[White "Dudek, Bartlomiej"]
[Black "Leoniuk, Stanislaw"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "1108"]
[PlyCount "80"]
[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 d6 4. Nc3 Be7 5. d4 Nf6 6. dxe5 Nxe5 7. Nxe5 dxe5 8. Qxd8+ Bxd8 9. Be3 0-0 10. 0-0-0 b6 11. f3 Bb7 12. Rhe1 Be7 13. Bf2 Rad8 14. Bg3 Bd6 15. Nb5 a6 16. Nxd6 cxd6 17. Bd3 Rd7 18. Bh4 Ne8 19. g4 Nc7 20. Bg3 Ne6 21. Bc4 Nd4 22. Rf1 b5 23. c3 Nxf3 24. Bxb5 axb5 25. Rxf3 Bxe4 26. Re3 Bb7 27. Rxe5 d5 28. h4 Rc8 29. Kb1 f6 30. Rf5 Rc4 31. Rd4 Rxd4 32. cxd4 Re7 33. g5 fxg5 34. Rxg5 h6 35. Rg6 Bc8 36. Rc6 Bd7 37. Rc5 Kf7 38. Rxd5 Be8 39. Be5 Ke6 40. Rc5 Rf7 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.12"]
[Round "5"]
[White "Leoniuk, Stanislaw"]
[Black "Sulek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1108"]
[BlackElo "1006"]
[PlyCount "79"]
[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. Nc3 e6 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 d5 8. 0-0 Bd6 9. Re1 Ne7 10. b3 Ng6 11. g3 d4 12. Nb1 e5 13. fxe5 Bxe5 14. Nxe5 Nxe5 15. Qh5 Qf6 16. Rf1 Qe6 17. Ba3 b6 18. Nd2 0-0 19. Nf3 Nxf3+ 20. Rxf3 Be8 21. Qf5 Bd7 22. Qf4 Qg4 23. Raf1 Qxf4 24. Rxf4 Bh3 25. R1f2 f6 26. b4 Rac8 27. bxc5 bxc5 28. g4 Rb8 29. R2f3 g5 30. Bxc5 gxf4 31. Bxf8 Rb1+ 32. Kf2 Rf1+ 33. Ke2 Rxf3 34. Kxf3 Kxf8 35. Kxf4 h5 36. gxh5 Be6 37. a3 Kg7 38. e5 f5 39. Kg5 Bd7 40. h4 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.10"]
[Round "3"]
[White "Leoniuk, Stanislaw"]
[Black "Wasiluk, Dominik"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1108"]
[BlackElo "1050"]
[PlyCount "101"]
[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. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 6. h3 h5 7. d3 Be6 8. Bg5 Qd6 9. Bxf6 gxf6 10. Qf3 Qe7 11. 0-0-0 0-0-0 12. Kb1 Bb4 13. d4 Bxc3 14. Qxc3 c5 15. d5 Bd7 16. f3 f5 17. Bd3 fxe4 18. fxe4 Rhg8 19. Rhg1 c6 20. Qa5 Kb8 21. c4 cxd5 22. cxd5 b6 23. Qc3 Rg3 24. Qe1 Rdg8 25. Rd2 Bxh3 26. Bf1 h4 27. e5 Bf5+ 28. Ka1 h3 29. d6 Qb7 30. Qf2 Be6 31. b3 a6 32. Qe2 Ka7 33. Qf2 Bd5 34. Qe2 h2 35. Rh1 Bxg2 36. Rxh2 Bxf1 37. Qh5 R8g5 38. Qh8 Rg8 39. Qf6 Bb5 40. Rh7 Rf3 41. Qh4 Re8 42. Qh5 Rf1+ 43. Kb2 Kb8 44. Rh8 Qd7 45. Rh7 Rf5 46. Qh3 Rfxe5 47. Qxd7 Bxd7 48. Rxf7 Kc8 49. Ka3 Re2 50. Rd3 b5 51. b4 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.09"]
[Round "2"]
[White "Jamka, Wojciech"]
[Black "Leoniuk, Stanislaw"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "1108"]
[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. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 Nxe5 5. Nxe5 dxe5 6. Qxd8+ Kxd8 7. Bc4 f5 8. Bd3 fxe4 9. Bxe4 Nf6 10. Bd3 Be6 11. Nc3 Bb4 12. Bd2 Ke7 13. 0-0 Rad8 14. Ne4 Bxd2 15. Nxd2 Bd5 16. Rfe1 Kd6 17. Nc4+ Bxc4 18. Bxc4 e4 19. f3 exf3 20. gxf3 c6 21. Re6+ Kc7 22. Re7+ Rd7 23. Rae1 Rhd8 24. Rxd7+ Rxd7 25. Re2 b5 26. Bd3 h6 27. Kf2 Kd6 28. Rd2 Kc5 29. a3 a5 30. c3 a4 31. Kg3 g5 32. Kf2 Nh5 33. Ke3 Nf4 34. Be4 Rxd2 35. Kxd2 Kd6 36. Ke3 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2022.03.08"]
[Round "1"]
[White "Leoniuk, Stanislaw"]
[Black "Chiszko, Oskar"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1108"]
[BlackElo "1477"]
[PlyCount "52"]
[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. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 e6 7. d3 Nge7 8. 0-0 0-0 9. f4 Rb8 10. a4 a6 11. Be3 Nd4 12. Bc1 Nec6 13. h3 f5 14. exf5 Nxf5 15. Re1 Nfd4 16. Bxc6 bxc6 17. Nxd4 Bxd4+ 18. Kh2 e5 19. fxe5 Rf2+ 20. Kh1 Bxh3 21. Be3 Bxe3 22. Rxe3 Rbxb2 23. Re2 Rbxe2 24. Nxe2 Rf1+ 25. Qxf1 Bxf1 26. Rxf1 dxe5 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "5"]
[White "Gibala, Adam"]
[Black "Leoniuk, Stanislaw"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1253"]
[PlyCount "95"]
[EventDate "2021.02.28"]
[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 e6 2. c4 d5 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. dxc5 Nf6 7. Bg5 d4 8. Na4 h6 9. Bd2 Bf5 10. b4 Be7 11. g3 0-0 12. Bg2 d3 13. e3 Re8 14. 0-0 Qd7 15. Re1 Bh3 16. Bh1 Ne4 17. Bg2 Bf6 18. Rc1 Bg4 19. b5 Ne5 20. Nxe5 Rxe5 21. f3 Nxd2 22. Qxd2 Qxb5 23. Nc3 Qxc5 24. fxg4 Rae8 25. Ne4 Qb6 26. Nxf6+ gxf6 27. Kf2 f5 28. Qxd3 fxg4 29. Qd4 Qf6+ 30. Kg1 b6 31. Qxg4+ Kh8 32. Rc6 Qg5 33. Qxg5 hxg5 34. Rc3 R5e7 35. Kf2 Kg7 36. e4 f5 37. Rc4 f4 38. gxf4 gxf4 39. e5 Kg6 40. Rxf4 Rxe5 41. Rxe5 Rxe5 42. Ra4 a5 43. Re4 Rf5+ 44. Kg3 Rf6 45. a4 Rf5 46. Re6+ Rf6 47. Rxf6+ Kxf6 48. Kf4 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "6"]
[White "Leoniuk, Stanislaw"]
[Black "Chandryko, Wiktor"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1085"]
[PlyCount "105"]
[EventDate "2021.02.28"]
[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 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 5. Nbd2 Be7 6. Be2 Bg4 7. h3 Bxf3 8. Bxf3 dxe4 9. dxe4 Qd7 10. 0-0 0-0 11. b4 a6 12. Qb3 Rfd8 13. Rd1 Qe8 14. Bb2 Rd7 15. Nc4 Rxd1+ 16. Rxd1 Rd8 17. Rxd8 Bxd8 18. b5 Ne7 19. bxa6 bxa6 20. Nxe5 Ng6 21. Nxg6 hxg6 22. Qb7 c6 23. Qxa6 Nxe4 24. Qc4 Nf6 25. Bxc6 Qe1+ 26. Qf1 Qe6 27. Bf3 Qxa2 28. Qa1 Qe6 29. Qc1 Bc7 30. c4 Qd6 31. g3 Qc5 32. Kg2 Bb6 33. Qc2 Kh8 34. Qe2 Kh7 35. Bc1 Qc7 36. Bf4 Qc8 37. Qc2 Kg8 38. Be3 Bxe3 39. fxe3 Qc5 40. Qd3 Ne8 41. Qd4 Qa3 42. c5 Qa2+ 43. Kg1 Qb1+ 44. Kh2 Qc2+ 45. Bg2 Kf8 46. Qd5 Nf6 47. Qd6+ Kg8 48. c6 Ne8 49. Qe7 Nf6 50. c7 Nd5 51. Qd8+ Kh7 52. c8Q Qa2 53. Qh8# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "4"]
[White "Leoniuk, Stanislaw"]
[Black "Halhoul, Kamil"]
[Result "0-1"]
[ECO "A38"]
[BlackElo "1162"]
[PlyCount "99"]
[EventDate "2021.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. d3 e6 8. e4 d5 9. exd5 exd5 10. Bf4 d4 11. Ne2 Re8 12. Re1 Bf5 13. a3 a5 14. Nc1 a4 15. Ne5 Bg4 16. Nxg4 Rxe1+ 17. Qxe1 Nxg4 18. h3 Nge5 19. Bxe5 Nxe5 20. Qd2 Rb8 21. f4 Nd7 22. b3 axb3 23. Nxb3 b5 24. Na5 bxc4 25. dxc4 d3 26. Ra2 Rb1+ 27. Kh2 Nb8 28. Be4 Qd4 29. Qg2 Qc3 30. Qd2 Qxd2+ 31. Rxd2 Bc3 32. Rxd3 Bxa5 33. Rd5 Re1 34. Rxc5 Rxe4 35. Rxa5 Rxc4 36. Ra8 Rc2+ 37. Kg1 Rb2 38. a4 Kg7 39. a5 Nc6 40. a6 Ra2 41. g4 Nb4 42. a7 Nc6 43. g5 Rxa7 44. Rxa7 Nxa7 45. Kg2 Nc6 46. Kf3 Kf8 47. Ke4 Ke7 48. Kd5 Nb4+ 49. Ke5 Nd3+ 50. Ke4 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "7"]
[White "Leoniuk, Stanislaw"]
[Black "Skrzypiec, Franciszek"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "1193"]
[PlyCount "66"]
[EventDate "2021.02.28"]
[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 e6 2. d4 d5 3. Nc3 dxe4 4. g3 Nf6 5. Bg2 Bb4 6. Qe2 Qxd4 7. Bd2 a6 8. 0-0-0 Qb6 9. Nxe4 Bxd2+ 10. Qxd2 Nd5 11. Nc3 c6 12. Nge2 Qxf2 13. Nxd5 cxd5 14. Rhg1 0-0 15. Rdf1 Qb6 16. g4 a5 17. h4 a4 18. a3 Ra5 19. Nc3 d4 20. Nd1 Rd8 21. g5 Rc5 22. h5 d3 23. c3 Qb3 24. Be4 Qa2 25. Qe3 Rxc3+ 26. Nxc3 Qa1+ 27. Nb1 Rd7 28. Bxd3 Nc6 29. Bb5 Rc7 30. Rf4 Nd4+ 31. Kd2 Qxb2+ 32. Kd3 Qxb5+ 33. Kxd4 Qd5# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "2"]
[White "Leoniuk, Stanislaw"]
[Black "Twardowski, Karol"]
[Result "1-0"]
[ECO "C65"]
[BlackElo "1105"]
[PlyCount "37"]
[EventDate "2021.02.28"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. h3 0-0 6. c3 a6 7. Ba4 b5 8. Bc2 h6 9. Nbd2 d5 10. Qe2 d4 11. Nf1 Nh7 12. Bd2 f5 13. Bb3+ Kh8 14. exf5 Bxf5 15. Ng3 dxc3 16. Bxc3 Bxd3 17. Qd2 e4 18. Nh5 Qe8 19. Bxg7# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "8"]
[White "Mroczkowski, Adam"]
[Black "Leoniuk, Stanislaw"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1065"]
[PlyCount "102"]
[EventDate "2021.02.28"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 d6 6. h3 Be6 7. Bxe6 fxe6 8. Be3 0-0 9. Ng5 Qd7 10. Nd2 h6 11. Ngf3 d5 12. Qe2 Rfb8 13. a3 a5 14. 0-0 b5 15. Nb3 b4 16. Nc5 Bxc5 17. Bxc5 bxc3 18. bxc3 Rb5 19. d4 Rab8 20. a4 Rb2 21. Qe1 exd4 22. e5 Ne4 23. Bxd4 Nxd4 24. cxd4 R8b4 25. Qd1 Nc3 26. Qd3 Nxa4 27. Rfb1 Qb5 28. Qxb5 Rxb5 29. Rc1 R2b4 30. Rxc7 Rb1+ 31. Rxb1 Rxb1+ 32. Kh2 Nb6 33. Ra7 a4 34. Ra6 g6 35. Kg3 Kf7 36. Kf4 Ke8 37. Nd2 Rb2 38. Ke3 Kd8 39. Kd3 Kc7 40. Kc3 Rb5 41. Ra7+ Kb8 42. Re7 a3 43. Re8+ Nc8 44. Rxe6 Kb7 45. Rxg6 a2 46. Rg7+ Kb8 47. Nb3 Rxb3+ 48. Kxb3 a1Q 49. e6 Qxd4 50. e7 Nxe7 51. Rxe7 Qxf2 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "3"]
[White "Pelczarski, Wojciech"]
[Black "Leoniuk, Stanislaw"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1155"]
[PlyCount "122"]
[EventDate "2021.02.28"]
[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 d5 2. Nf3 Nc6 3. g3 Bg4 4. Bg2 Bxf3 5. Bxf3 Nf6 6. 0-0 e6 7. Bf4 Bd6 8. Bxd6 cxd6 9. e3 e5 10. Bg2 0-0 11. c3 Qd7 12. Nd2 Ne7 13. f4 e4 14. Qe1 b5 15. b4 a6 16. h3 Rac8 17. Rc1 Rc6 18. Nb3 Ra8 19. g4 Ne8 20. g5 f6 21. Qf2 f5 22. h4 Rcc8 23. Bh3 Rc7 24. Rc2 Rac8 25. Rfc1 Qe6 26. Kh2 Qg6 27. Nd2 Ra8 28. Nf1 Qe6 29. Ng3 Qd7 30. h5 a5 31. a3 Rcc8 32. Ne2 Nc7 33. Qh4 Rf8 34. Ng3 a4 35. Rg1 Kf7 36. Ne2 Ke8 37. Ng3 Qc6 38. Ne2 Qd7 39. Nc1 Ra6 40. Na2 Ra8 41. Bf1 Rb8 42. Be2 Nc8 43. h6 g6 44. Bd1 Ne7 45. Nc1 Nc8 46. Ne2 Ne7 47. Ng3 Rh8 48. Rcg2 Kf7 49. Kh3 Rbg8 50. Be2 Qc6 51. Rc1 Qd7 52. Rgg1 Rc8 53. Rc2 Na8 54. Rgc1 Nb6 55. Nf1 Rc7 56. Nd2 Rhc8 57. Nb1 Nc4 58. Bxc4 dxc4 59. Qf2 d5 60. Rg1 Qd6 61. Nd2 Qd7 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "1"]
[White "Rutkowski, Feliks"]
[Black "Leoniuk, Stanislaw"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1167"]
[PlyCount "85"]
[EventDate "2021.02.28"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 d6 7. f4 Ng6 8. 0-0 Nf6 9. Nc3 0-0 10. Qe2 c5 11. Nf3 Nd7 12. Be3 Qc7 13. Nd5 Qd8 14. Rad1 b6 15. Qd3 Nb8 16. Nxe7+ Nxe7 17. Qxd6 Qxd6 18. Rxd6 Nbc6 19. Rfd1 Bg4 20. Kf2 Bxf3 21. Kxf3 h6 22. R6d2 Kh7 23. Bd5 Nxd5 24. exd5 Ne7 25. c4 Rad8 26. Re2 Nf5 27. Rde1 Rfe8 28. g4 Nd6 29. b3 a6 30. Rc1 f5 31. h3 fxg4+ 32. hxg4 Rf8 33. Bf2 g5 34. Re7+ Kg8 35. f5 Rfe8 36. Re6 Rxe6 37. fxe6 Rf8+ 38. Ke3 Re8 39. Bg3 Rd8 40. e7 Nxc4+ 41. bxc4 Re8 42. d6 Kf7 43. Rf1+ 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "9"]
[White "Szczepanik, Marcin"]
[Black "Leoniuk, Stanislaw"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1076"]
[PlyCount "130"]
[EventDate "2021.02.28"]
[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 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. Bg5 Be7 6. Bf4 a6 7. cxd5 exd5 8. dxc5 d4 9. Ne4 Bf5 10. Ng3 Bg6 11. Ne5 Bxc5 12. Nxc6 bxc6 13. Qa4 Ne7 14. Rd1 Qb6 15. Qb3 Qxb3 16. axb3 0-0 17. Rc1 Bb4+ 18. Bd2 Bxd2+ 19. Kxd2 Rfb8 20. h4 h5 21. e3 dxe3+ 22. fxe3 Rxb3 23. Be2 Rxb2+ 24. Ke1 a5 25. Rf1 f6 26. Nxh5 Bxh5 27. Bxh5 Rxg2 28. Bf3 Rh2 29. Bxc6 Nxc6 30. Rxc6 Rxh4 31. Kf2 a4 32. Kg3 Rb4 33. Rfc1 Rbb8 34. R6c2 a3 35. Ra2 Rb2 36. Rca1 Rxa2 37. Rxa2 Kf7 38. Kf4 Ke6 39. Ke4 Kd6 40. Kd4 g5 41. e4 g4 42. Ke3 g3 43. Kf3 Ke5 44. Kxg3 Kxe4 45. Kg4 f5+ 46. Kh3 Ke3 47. Kg2 f4 48. Kf1 f3 49. Ke1 f2+ 50. Kf1 Kd3 51. Kxf2 Kc3 52. Re2 a2 53. Re3+ Kd4 54. Re1 a1Q 55. Rxa1 Rxa1 56. Kg3 Ra5 57. Kf2 Re5 58. Kf3 Re4 59. Kg3 Ke3 60. Kg2 Rf4 61. Kg3 Ke4 62. Kg2 Rf3 63. Kg1 Ke3 64. Kg2 Ke2 65. Kh2 Kf2 0-1

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.23"]
[Round "9"]
[White "Leoniuk, Stanislaw"]
[Black "Jurkiewicz, Julia"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "61"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Qa4 Be7 5. d3 0-0 6. b4 d6 7. Bb2 Bd7 8. Qc2 a6 9. Nbd2 Be6 10. Be2 Nd7 11. a4 Bg5 12. 0-0 Bxd2 13. Qxd2 Nf6 14. Qg5 Ng4 15. Qh5 Nf6 16. Qh4 Nd7 17. Qg3 Qf6 18. Bc1 Qg6 19. Nh4 Qxg3 20. fxg3 Nf6 21. Nf5 Rfe8 22. Bg5 Bxf5 23. Rxf5 Ne7 24. Rf2 Nd7 25. Bh5 g6 26. Bg4 Nb6 27. a5 Nbc8 28. Raf1 Rf8 29. Bh6 Re8 30. Rxf7 Na7 31. Be6 1-0

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.22"]
[Round "8"]
[White "Skrzypiec, Pawel"]
[Black "Leoniuk, Stanislaw"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "20"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Qd3 d5 6. Nxc6 bxc6 7. exd5 Ne7 8. g3 Qf6 9. dxc6 Qxc6 10. Qb3 Qxh1 0-1

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.21"]
[Round "7"]
[White "Leoniuk, Stanislaw"]
[Black "Ratajczak, Eryk"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "52"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Qa4 Bc5 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Qe7 8. e5 Nxd4 9. Nxd4 Qxe5+ 10. Ne2 Bxd2+ 11. Nxd2 Qxb2 12. Rb1 Qe5 13. Nf3 Qf5 14. Nc3 Nd5 15. Qe4+ Qe6 16. Qxe6+ dxe6 17. Nb5 0-0 18. Bc4 c6 19. Bxd5 exd5 20. Nbd4 Re8+ 21. Kd2 c5 22. Nb5 Bf5 23. Rbc1 Rac8 24. Nxa7 Ra8 25. Nb5 Rxa2+ 26. Kc3 Raa8 1/2-1/2

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.20"]
[Round "6"]
[White "Zielinski, Jakub"]
[Black "Leoniuk, Stanislaw"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1144"]
[PlyCount "71"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. Qxd3 d6 7. 0-0 Bg4 8. Re1 Bxf3 9. Qxf3 Ne5 10. Qe2 Nf6 11. h3 0-0 12. Bf4 Re8 13. Nd2 Nxc4 14. Qxc4 Nd7 15. Nb3 Qf6 16. Nxc5 Nxc5 17. Bh2 Qg6 18. f3 Rad8 19. Rad1 b6 20. b4 Ne6 21. Qa6 Ra8 22. e5 dxe5 23. Rxe5 Qc2 24. Rd3 Qc1+ 25. Kf2 Qh6 26. Rd7 Qh4+ 27. Bg3 Qf6 28. Re3 Red8 29. Rxd8+ Qxd8 30. Rd3 Qe7 31. Qb7 Qe8 32. Bxc7 Nxc7 33. Qxc7 Qb5 34. Rd8+ Rxd8 35. Qxd8+ Qe8 36. Qxe8# 1-0

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.19"]
[Round "5"]
[White "Leoniuk, Stanislaw"]
[Black "Golebczyk, Gabriella"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "31"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. d4 Bb6 5. Nxe5 Nf6 6. Bd3 h5 7. Bf4 d6 8. Nc4 d5 9. Nxb6 axb6 10. Nd2 Ne7 11. 0-0 Ng6 12. Bg5 dxe4 13. Nxe4 h4 14. Qe2 h3 15. Nxf6+ Kf8 16. Ne4 1-0

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.18"]
[Round "4"]
[White "Krzastek, Adrian"]
[Black "Leoniuk, Stanislaw"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1128"]
[PlyCount "79"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. d3 Bd7 6. Re1 g6 7. h3 Bg7 8. Bg5 0-0 9. c3 Re8 10. Nbd2 a6 11. Ba4 h6 12. Be3 Na7 13. Nf1 c5 14. Ng3 Bxa4 15. Qxa4 Qb6 16. Qc2 Qc6 17. Qd2 Nb5 18. Bxh6 Kh7 19. Bxg7 Kxg7 20. Qg5 Nh7 21. Qg4 Nf6 22. Qh4 Rh8 23. Qg5 Nh7 24. Nf5+ Kf8 25. Qe7+ Kg8 26. Nh6+ Kg7 27. Qh4 Nf6 28. Nf5+ gxf5 29. Qg5+ Kf8 30. Qxf6 fxe4 31. Qxh8+ Ke7 32. Qh4+ f6 33. Qxe4 Qd7 34. Qh7+ Ke6 35. Qxd7+ Kxd7 36. Rad1 Ke6 37. d4 cxd4 38. Nxd4+ Kd5 39. Nxb5+ Kc6 40. Nxd6 1-0

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.17"]
[Round "3"]
[White "Wnukowski, Milosz"]
[Black "Leoniuk, Stanislaw"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "84"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 0-0 6. Be3 d6 7. Qd2 Be6 8. 0-0-0 Bxc4 9. dxc4 Qd7 10. h4 Nh5 11. g4 Qxg4 12. Bg5 Qxf3 13. Nd5 f6 14. Nxe7+ Nxe7 15. Be3 Qxe4 16. Rdg1 Ng6 17. a3 f5 18. f4 exf4 19. Bd4 c5 20. Bc3 Ng3 21. Rh3 Ne2+ 22. Kb1 Nxg1 23. Rh2 Nf3 24. Qg2 Nxh2 25. Qxh2 Qxc4 26. h5 Ne5 27. h6 g6 28. Qd2 Rad8 29. b3 Qf1+ 30. Ka2 c4 31. a4 cxb3+ 32. cxb3 Qd3 33. Qb2 Rc8 34. Bxe5 Rc2 35. Ka3 Rxb2 36. Bxb2 Rc8 37. Bg7 b5 38. axb5 Qxb5 39. Bd4 Rb8 40. b4 Qxb4+ 41. Ka2 Qb3+ 42. Ka1 Qb1# 0-1

[Event "Polanica Zdroj op-F 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.16"]
[Round "2"]
[White "Leoniuk, Stanislaw"]
[Black "Skrzypiec, Franciszek"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "1131"]
[PlyCount "38"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bd2 d6 7. a3 Bxc3 8. Bxc3 Nf6 9. Bxf6 Qxf6 10. Qc2 0-0 11. Bd3 Re8 12. 0-0 h6 13. Bb5 Bd7 14. Rfe1 a6 15. Bc4 Bg4 16. Nd2 Qg6 17. f3 Bh3 18. Nb3 Ne5 19. Be2 Qxg2# 0-1

