[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "4"]
[White "Hanicki, Grzegorz"]
[Black "Sieniek, Jakub"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "91"]
[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. d4 exd4 4. Bc4 Bc5 5. c3 d6 6. cxd4 Bb4+ 7. Nbd2 Nge7 8. d5 Na5 9. Qa4+ c6 10. Qxb4 b5 11. Bxb5 cxb5 12. Qxb5+ Bd7 13. Qd3 0-0 14. 0-0 Rb8 15. a4 Rb4 16. b3 Qb6 17. Ba3 Nxb3 18. Nxb3 Rxb3 19. Qc4 Rc8 20. Qd4 Qxd4 21. Nxd4 Rd3 22. Nb5 Bxb5 23. axb5 Rd8 24. b6 axb6 25. Rfb1 Nc8 26. g3 Rd7 27. Kg2 Rc7 28. Bb4 Rc4 29. Rc1 Rxc1 30. Rxc1 Na7 31. Rc7 h6 32. Rxa7 Rd4 33. Bxd6 Rxe4 34. Be7 Re5 35. d6 Rd5 36. d7 Ra5 37. d8Q+ Kh7 38. Rxa5 bxa5 39. Qd4 Kg6 40. Bf8 f6 41. Qg4+ Kf7 42. Qxg7+ Ke6 43. Kf3 a4 44. Ke4 f5+ 45. Kd4 a3 46. Qe7# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "9"]
[White "Partyka, Wojciech"]
[Black "Sieniek, Jakub"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "72"]
[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 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g6 5. Nf3 d6 6. h3 Nc6 7. Bc4 Bg7 8. Bd2 Nf6 9. 0-0 0-0 10. Bg5 b6 11. Qd2 Re8 12. Rad1 Bb7 13. Nd5 Nxe4 14. Qe3 Nxg5 15. Qxg5 Rc8 16. Qf4 Ne5 17. Ng5 Rf8 18. Bb3 e6 19. Ne3 Bh6 20. h4 Bxg5 21. hxg5 Qd7 22. Ng4 Nxg4 23. Qxg4 Rcd8 24. Rd3 e5 25. Qh4 Qc6 26. Bd5 Qb5 27. Rh3 h5 28. Bxb7 Rb8 29. Be4 Rfc8 30. Rb3 Qc4 31. Rc3 Qd4 32. Rfc1 Rxc3 33. Rxc3 d5 34. Re3 dxe4 35. Qxe4 Qxe4 36. Rxe4 Rc8 1/2-1/2

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "6"]
[White "Ragan, Szymon"]
[Black "Sieniek, Jakub"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "39"]
[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 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Nxc3 9. bxc3 Bxc3 10. Qb3 d5 11. Bxd5 Be6 12. Bxe6 fxe6 13. Qxc3 Qd7 14. Bb2 0-0-0 15. h3 Ne7 16. Ne5 Nd5 17. Qa5 Qe7 18. Qxa7 c6 19. Rac1 Kc7 20. Rxc6# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "8"]
[White "Sieniek, Jakub"]
[Black "Chmielewski, Jakub1111"]
[Result "1-0"]
[ECO "B34"]
[BlackElo "1184"]
[PlyCount "121"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Be2 Nf6 7. Nc3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. 0-0-0 Nxe4 11. Nxe4 Rb8 12. c3 Qa5 13. b4 Qa3+ 14. Qb2 Qxb2+ 15. Kxb2 Rxb4+ 16. Kc2 Rxe4 17. Rd3 Bf5 18. g4 Rxe3 19. fxe3 Bxd3+ 20. Bxd3 Rb8 21. e4 dxe4 22. Bxe4 Rb5 23. Rd1 h6 24. Rd8+ Kh7 25. h4 Rc5 26. Rd3 Rc4 27. Bf3 e5 28. Rd7 e4 29. Be2 Rxc3+ 30. Kd2 e3+ 31. Ke1 Ra3 32. h5 Rxa2 33. Rxf7 Ra1+ 34. Bd1 gxh5 35. gxh5 Kg8 36. Re7 Bd4 37. Ke2 c5 38. Bb3+ Kf8 39. Rh7 a5 40. Rxh6 a4 41. Bd5 a3 42. Ra6 Rh1 43. Bxh1 c4 44. Rxa3 Kg7 45. Ra4 Kh6 46. Rxc4 Ba7 47. Bf3 Kh7 48. Rc7+ Kh6 49. Rxa7 Kg5 50. Bh1 Kxh5 51. Ra4 Kg5 52. Kxe3 Kf5 53. Bd5 Ke5 54. Kd3 Kxd5 55. Ra5+ Ke6 56. Kd4 Kd7 57. Ra6 Ke8 58. Ra7 Kf8 59. Ke5 Kg8 60. Kf6 Kf8 61. Ra8# 1-0

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "3"]
[White "Sieniek, Jakub"]
[Black "Kryszak, Jakub"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1030"]
[PlyCount "46"]
[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 c5 2. Nf3 g6 3. Bc4 Bg7 4. Nc3 Nc6 5. d3 d6 6. h3 Nf6 7. Be3 0-0 8. Qd2 Re8 9. Bh6 Bh8 10. 0-0-0 a6 11. Ng5 e6 12. Nf3 b5 13. Bb3 Na5 14. e5 Nxb3+ 15. cxb3 dxe5 16. Nxe5 Nd5 17. Nf3 Qa5 18. Rhe1 Nxc3 19. bxc3 Bxc3 20. Qc2 Bxe1 21. Rxe1 Bb7 22. Qb2 e5 23. Nxe5 Qxe1+ 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "7"]
[White "Sieniek, Jakub"]
[Black "Wasiluk, Blazej"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1025"]
[PlyCount "116"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 b6 7. c4 Bb7 8. Nbd2 Nxd2 9. Bxd2 Nc6 10. 0-0 dxc4 11. Bxc4 Nxd4 12. Re1+ Be7 13. Nxd4 Qxd4 14. Rxe7+ Kd8 15. Rxf7 Qxc4 16. Bg5+ Kc8 17. Rxc7+ Qxc7 18. Rc1 Bc6 19. Qg4+ Kb7 20. Bf4 Qd7 21. Qxd7+ Bxd7 22. Rc7+ Ka6 23. Rxd7 Rhe8 24. h3 Re2 25. Rxg7 Rxb2 26. Rxh7 Rxa2 27. g4 b5 28. g5 b4 29. h4 b3 30. Be5 b2 31. Bxb2 Rxb2 32. h5 Rg8 33. g6 Rb5 34. g7 Rg5+ 35. Kf1 R5xg7 36. Rh6+ Kb5 37. Rf6 a5 38. Rg6 Rxg6 39. hxg6 a4 40. Ke1 a3 41. Kd1 a2 42. Kc1 a1Q+ 43. Kc2 Rc8+ 44. Kd3 Qc3+ 45. Ke4 Re8+ 46. Kf4 Qf6+ 47. Kg3 Qxg6+ 48. Kf3 Rf8+ 49. Ke3 Rxf2 50. Kxf2 Qe4 51. Kg3 Qf5 52. Kg2 Qf4 53. Kg1 Qd2 54. Kf1 Kc4 55. Kg1 Kd3 56. Kf1 Ke3 57. Kg1 Kf3 58. Kf1 Qd1# 0-1

[Event "POL-ch U10"]
[Site "Jastrzebia Gora"]
[Date "2021.??.??"]
[Round "2"]
[White "Szymczyk, Jan"]
[Black "Sieniek, Jakub"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1151"]
[PlyCount "121"]
[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. Bf4 Bf5 4. a3 Nf6 5. e3 a6 6. Bd3 Bxd3 7. Qxd3 e6 8. 0-0 Bd6 9. Bxd6 Qxd6 10. c4 dxc4 11. Qxc4 b5 12. Qc2 0-0 13. Nc3 b4 14. Ne4 b3 15. Nxf6+ gxf6 16. Qxb3 Rab8 17. Qc3 Qd5 18. b4 Rfc8 19. Rac1 Rb6 20. Qc5 Qxc5 21. Rxc5 Kf8 22. Rfc1 Nd8 23. Rxc7 Rxc7 24. Rxc7 a5 25. Rc4 Nc6 26. h3 axb4 27. axb4 Nxb4 28. Rc8+ Kg7 29. Nd2 Rc6 30. Rxc6 Nxc6 31. f4 Kg6 32. Kf2 Kf5 33. g4+ Kg6 34. Kg3 e5 35. d5 exf4+ 36. Kxf4 Ne5 37. d6 Nd7 38. Nc4 Kg7 39. Kf5 h6 40. e4 Kf8 41. e5 fxe5 42. Nxe5 Nxe5 43. Kxe5 Ke8 44. Kf6 Kd7 45. Kxf7 Kxd6 46. Kg6 Ke6 47. Kxh6 Kf7 48. g5 Kg8 49. g6 Kh8 50. h4 Kg8 51. g7 Kf7 52. Kh7 Kf6 53. g8Q Kf5 54. Qg5+ Ke4 55. h5 Kf3 56. h6 Kf2 57. Kg8 Kf3 58. h7 Kf2 59. h8Q Kf3 60. Qhh4 Ke2 61. Qgg3 1-0

