[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "3"]
[White "Sieniawski, Karol"]
[Black "Bilochenko, Matvii"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1222"]
[BlackElo "1484"]
[PlyCount "86"]
[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. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a4 Nf6 8. Bd3 Bb4 9. 0-0 0-0 10. Qd2 Ne5 11. h3 Nxd3 12. Qxd3 Bxc3 13. bxc3 d5 14. exd5 Nxd5 15. c4 Nf6 16. Rfe1 Bd7 17. Rad1 Bc6 18. Nxc6 Qxc6 19. Bd4 Rad8 20. Qc3 Ne8 21. Qg3 f6 22. Qb3 Kh8 23. c5 e5 24. Be3 Nc7 25. Qb6 Qxb6 26. cxb6 Nd5 27. Bc5 Rfe8 28. c4 Nf4 29. Kh2 Nd3 30. Re3 Nxc5 31. Rxd8 Rxd8 32. Rc3 Nxa4 33. Rb3 Rd6 34. Kg3 Rxb6 35. Rxb6 Nxb6 36. c5 Nd7 37. Kf3 Nxc5 38. Ke2 a5 39. Kd2 a4 40. Kc2 b5 41. Kc3 a3 42. Kc2 b4 43. Kb1 b3 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "7"]
[White "Sieniawski, Karol"]
[Black "Bury, Marcel"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1222"]
[BlackElo "1426"]
[PlyCount "64"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. 0-0 Ng4 10. Nxc6 bxc6 11. Qd2 Nxe3 12. Qxe3 Bd7 13. Rad1 Qc7 14. Rfe1 Rad8 15. h3 h5 16. a3 Qb7 17. Qd3 Kh7 18. Qf3 c5 19. Qd3 Bc6 20. Nd5 Bxd5 21. exd5 Bxb2 22. a4 Bg7 23. Qe3 Rfe8 24. Bc4 Bd4 25. Qf3 Be5 26. Bb5 Rf8 27. Qd3 Qc7 28. Qe3 Rb8 29. Qd3 Qa5 30. Qd2 Qxd2 31. Rxd2 Rb7 32. Bc6 Rc7 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "8"]
[White "Wolak, Jan"]
[Black "Sieniawski, Karol"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1241"]
[BlackElo "1222"]
[PlyCount "123"]
[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. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nf6 7. 0-0 0-0 8. b3 Ne5 9. d4 cxd4 10. exd4 Nc6 11. Bb2 Bg4 12. h3 Bf5 13. Nf4 e6 14. d5 exd5 15. Nfxd5 Nxd5 16. Bxd5 Nb4 17. g4 Nxd5 18. Qxd5 Be6 19. Qf3 Qh4 20. Qg3 Qg5 21. f4 Qc5+ 22. Qf2 Qxf2+ 23. Rxf2 Rfe8 24. Nb5 Bxb2 25. Rxb2 Rec8 26. Nxd6 Rc7 27. Rd1 Rd8 28. Rbd2 Rcd7 29. Ne4 Rxd2 30. Rxd2 Rc8 31. Kf2 Rc6 32. Rd6 Rc7 33. Ke3 Re7 34. Kd4 b6 35. c5 bxc5+ 36. Nxc5 Kf8 37. Nxe6+ fxe6 38. b4 Kf7 39. a4 Rb7 40. b5 Kf6 41. Kc5 Rc7+ 42. Rc6 Rd7 43. Rd6 Rc7+ 44. Kb4 Ke7 45. Rc6 Rb7 46. Ra6 Kf6 47. Kc5 Rd7 48. Kc6 Re7 49. Kd6 Kf7 50. a5 Rb7 51. Kc6 Re7 52. b6 axb6 53. axb6 Kg7 54. Ra7 Rxa7 55. bxa7 Kh6 56. a8Q g5 57. fxg5+ Kxg5 58. Qg8+ Kh4 59. Qxh7+ Kg3 60. Qe4 e5 61. g5 Kxh3 62. g6 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.08"]
[Round "9"]
[White "Sieniawski, Karol"]
[Black "Buklaho, Ignacy"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1109"]
[PlyCount "102"]
[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 g6 3. Bc4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Nc3 Qa5 8. Bd2 Qb4 9. Bb3 Bxc3 10. Bxc3 Qxe4+ 11. Qe2 Qxe2+ 12. Kxe2 Nf6 13. Rhe1 Ba6+ 14. Kd2 Kf8 15. f3 Rg8 16. Re5 Bb5 17. Rae1 Re8 18. Kc1 d6 19. R5e3 e5 20. Rd1 Ke7 21. Bb4 c5 22. a4 Bc6 23. Ba5 Rc8 24. g3 g5 25. Red3 Ne8 26. Re1 Bd7 27. f4 c4 28. Rde3 cxb3 29. fxe5 Rxc2+ 30. Kb1 Be6 31. exd6+ Nxd6 32. Rxb3 Rgc8 33. Rd3 Kd7 34. Red1 R2c6 35. Rd4 Bf5+ 36. Ka2 Ra6 37. g4 Bxg4 38. Rxg4 Rxa5 39. Rgd4 Rc6 40. Rf1 Ke6 41. Re1+ Re5 42. Red1 Re4 43. R4d3 Rxa4+ 44. Kb1 f5 45. Re1+ Re4 46. Rg1 g4 47. Ra3 a6 48. Rag3 Nc4 49. Rd1 Re2 50. b3 Na3+ 51. Ka1 Rcc2 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.07"]
[Round "8"]
[White "Orlowski, Adam"]
[Black "Sieniawski, Karol"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "102"]
[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 Nc6 3. c3 d6 4. d4 cxd4 5. cxd4 a6 6. d5 Ne5 7. Bf4 Bg4 8. Bxe5 dxe5 9. Nc3 Nf6 10. Bd3 g6 11. h3 Bxf3 12. Qxf3 Qb6 13. b3 Qd4 14. 0-0 Bh6 15. Rad1 Qc5 16. Na4 Qb4 17. Ra1 0-0 18. Rfd1 b5 19. Nb2 Qa3 20. d6 Qxb2 21. dxe7 Rfe8 22. Qxf6 Bg7 23. Qd6 Qd4 24. Qc6 Qb4 25. Be2 Qxe7 26. Bg4 h5 27. Bd7 Red8 28. Qc7 Rac8 29. Qxc8 Rxc8 30. Bxc8 Qb4 31. Bxa6 Qxe4 32. Bxb5 Qb4 33. Bc4 e4 34. Rac1 Qa3 35. Bxf7+ Kxf7 36. Rc7+ Kf6 37. Rc6+ Kf5 38. Rd5+ Be5 39. g4+ hxg4 40. Rcc5 gxh3 41. Rxe5+ Kf4 42. Rg5 Qb2 43. Kh2 Qxf2+ 44. Kxh3 Qe1 45. Rg4+ Kf3 46. Rc3+ e3 47. Rc2 Qf1+ 48. Rgg2 g5 49. Kh2 g4 50. Rg3+ Kf4 51. Rg1 Qh3# 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.07"]
[Round "7"]
[White "Sieniawski, Karol"]
[Black "Krokowski Bednarz, Leon"]
[Result "0-1"]
[ECO "C78"]
[PlyCount "102"]
[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 Nf6 3. Nc3 Nc6 4. Bb5 Bc5 5. 0-0 0-0 6. d3 a6 7. Ba4 b5 8. Bb3 d6 9. Bg5 h6 10. Bh4 Bg4 11. h3 Bxf3 12. Qxf3 Nd4 13. Qd1 c6 14. Ne2 Ne6 15. Bxe6 fxe6 16. Ng3 g5 17. Nh5 gxh4 18. c3 Nxh5 19. Qxh5 Qg5 20. Qxg5+ hxg5 21. Rad1 Rf4 22. d4 Bb6 23. f3 exd4 24. cxd4 e5 25. Kh2 Bxd4 26. b3 a5 27. Rc1 c5 28. g3 hxg3+ 29. Kxg3 Rc8 30. Rh1 Rh4 31. Rc2 c4 32. Rhh2 Rc5 33. bxc4 Rxc4 34. Rhg2 Be3 35. Rxc4 Bf4+ 36. Kf2 bxc4 37. Kf1 Rxh3 38. Rc2 Rxf3+ 39. Kg2 Rg3+ 40. Kf2 c3 41. a4 Rd3 42. Kf1 Rd1+ 43. Kg2 Rd2+ 44. Rxd2 cxd2 45. Kf2 d1Q 46. Kg2 Qe1 47. Kf3 Bg3 48. Kg4 Kg7 49. Kf5 Kf7 50. Kxg5 Qxe4 51. Kh5 Qg6# 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.06"]
[Round "6"]
[White "Panasiuk, Stanislaw"]
[Black "Sieniawski, Karol"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "54"]
[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 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 g6 5. e3 Bg7 6. Nge2 a6 7. 0-0 Nge7 8. d4 cxd4 9. exd4 0-0 10. d5 Ne5 11. d6 Nf5 12. Nf4 Qb6 13. Ne4 Nxc4 14. Rb1 Ncxd6 15. a4 Nxe4 16. Bxe4 Qb4 17. Bxf5 exf5 18. Nd5 Qe4 19. Bh6 b5 20. Bxg7 Kxg7 21. Re1 Qxa4 22. Qc1 Qd4 23. Rd1 Qe4 24. Qc3+ f6 25. Rd4 Qxb1+ 26. Kg2 Bb7 27. Qc7 Bxd5+ 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.06"]
[Round "5"]
[White "Sieniawski, Karol"]
[Black "Pigas, Grzegorz"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "153"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. Bd3 Bd6 8. c3 Nc6 9. Bc2 h6 10. h3 0-0 11. Qd3 Qe8+ 12. Be3 a5 13. Nbd2 Qd7 14. g4 Re8 15. g5 hxg5 16. Nxg5 Qf5 17. Qxf5 Bxf5 18. Bxf5 Bf4 19. Ngf3 Bxe3 20. fxe3 Rxe3+ 21. Kf2 Rae8 22. Rhe1 Rxe1 23. Rxe1 Rxe1 24. Kxe1 g6 25. Bc8 b6 26. Bb7 Nd8 27. Ba6 Ne6 28. c4 Nf4 29. cxd5 N6xd5 30. h4 Ng2+ 31. Kf2 Ngf4 32. Bc4 Ne7 33. Ne5 Kg7 34. Nxf7 b5 35. Bxb5 Kxf7 36. Kf3 Nh5 37. Nb3 c6 38. Bc4+ Kf6 39. Nxa5 Kf5 40. Bd3+ Kf6 41. a3 Ke6 42. Be4 Kd6 43. b4 Kc7 44. Kg4 Nf6+ 45. Kf4 Nh5+ 46. Kg5 Ng7 47. Bxg6 Nd5 48. Kh6 Ne6 49. h5 Nf6 50. Bf7 Nxd4 51. Kg6 Nxh5 52. Kxh5 Kb6 53. Bg6 Kb5 54. Be8 Kb6 55. Kg5 Ne6+ 56. Kf6 Nd4 57. Ke5 Nb5 58. Nc4+ Kc7 59. Ke4 Nd6+ 60. Nxd6 Kxd6 61. Kd4 Kc7 62. Kc5 Kb7 63. Bxc6+ Ka6 64. Bb7+ Kxb7 65. Kb5 Ka7 66. a4 Kb7 67. a5 Ka7 68. a6 Ka8 69. Ka5 Kb8 70. b5 Ka8 71. Kb6 Kb8 72. Kc6 Ka7 73. b6+ Kb8 74. b7 Ka7 75. Kc7 Kxa6 76. b8Q Ka5 77. Qb3 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.05"]
[Round "4"]
[White "Ejsymont, Eryk"]
[Black "Sieniawski, Karol"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1273"]
[PlyCount "103"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 a6 5. Bc4 e6 6. Nf3 Nc6 7. 0-0 g6 8. Qe2 Bg7 9. Be3 Nge7 10. Rfd1 0-0 11. Rac1 b5 12. Bb3 a5 13. Nxb5 Ba6 14. Bc4 d5 15. exd5 exd5 16. Bxd5 Nxd5 17. Rxc6 Qd7 18. Rc5 Rad8 19. Bg5 Nf4 20. Qd2 Qxd2 21. Nxd2 Ne2+ 22. Kf1 Rde8 23. Nc4 Bxb5 24. Rxb5 Nd4 25. Rxa5 Nc2 26. Rad5 Re4 27. b3 Rfe8 28. Rd8 h6 29. Rxe8+ Rxe8 30. Rd8 Kf8 31. Nd6 Rxd8 32. Bxd8 Be5 33. Nc4 Bd4 34. Ke2 Ke8 35. Ba5 Ba7 36. Bb6 Bxb6 37. Nxb6 Kd8 38. Kd2 Na3 39. Nc4 Nxc4+ 40. bxc4 Kd7 41. Kd3 Kd6 42. Kd4 f6 43. a4 Kc6 44. a5 h5 45. a6 Kb6 46. Kd5 f5 47. c5+ Kxa6 48. c6 Ka7 49. Kd6 g5 50. c7 f4 51. c8Q g4 52. Kc6 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.05"]
[Round "3"]
[White "Sieniawski, Karol"]
[Black "Roszkowski, Filip"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "119"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. Bd3 Bd6 8. h3 h6 9. 0-0 0-0 10. c3 Nc6 11. Qc2 Re8 12. Be3 Bd7 13. Nbd2 a6 14. c4 Nb4 15. Qc3 Nxd3 16. Qxd3 dxc4 17. Nxc4 Bb5 18. Qc2 Nd5 19. Rfe1 Nxe3 20. Nxe3 Bf4 21. Ng4 Bc6 22. Rxe8+ Qxe8 23. Nfe5 Bxe5 24. Nxe5 f6 25. Nxc6 bxc6 26. Rc1 Kf7 27. Qxc6 Qxc6 28. Rxc6 Ra7 29. f3 Ke7 30. Kf2 Kd7 31. Rc5 Rb7 32. b3 Rb5 33. Ke3 Rxc5 34. dxc5 Kc6 35. Kd4 Kb5 36. Kd5 g5 37. g4 a5 38. a4+ Kb4 39. Kc6 Kxb3 40. Kxc7 Kxa4 41. Kd6 Kb3 42. c6 a4 43. c7 a3 44. c8Q a2 45. Qg8+ Kb2 46. Qxa2+ Kxa2 47. Ke6 Kb2 48. Kxf6 Kc2 49. Kg6 Kd2 50. Kxh6 Ke2 51. Kxg5 Kxf3 52. h4 Kg3 53. h5 Kg2 54. h6 Kh1 55. h7 Kg1 56. h8Q Kg2 57. Qb2+ Kh1 58. Kf4 Kg1 59. Kg3 Kh1 60. Qh2# 1-0

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.04"]
[Round "2"]
[White "Dziedzic, Mikolaj1111"]
[Black "Sieniawski, Karol"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "80"]
[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 Nc6 3. Bb5 e6 4. d3 g6 5. Bxc6 bxc6 6. Bg5 Ne7 7. Bf6 Rg8 8. Nc3 d5 9. Ne5 Qa5 10. 0-0 Bg7 11. Bxg7 Rxg7 12. Qd2 d4 13. Qh6 Rg8 14. Qxh7 dxc3 15. Nxc6 Nxc6 16. Qxg8+ Ke7 17. bxc3 Qxc3 18. Rab1 Nb4 19. Rb3 Qxc2 20. f4 Nxa2 21. Rbb1 Nb4 22. f5 exf5 23. exf5 gxf5 24. Qg5+ Kd6 25. Qd8+ Kc6 26. Qf6+ Kb5 27. Rbc1 Qa2 28. Qxf7 Qxf7 29. Rf4 Bb7 30. Rfc4 Rc8 31. h4 Qd5 32. Kf1 Qxg2+ 33. Ke1 Re8+ 34. Re4 Bxe4 35. Kd1 Qf1+ 36. Kd2 Qxd3+ 37. Ke1 Qe3+ 38. Kf1 Qf3+ 39. Ke1 Bc2+ 40. Kd2 Qd3# 0-1

[Event "POL-ch U08"]
[Site "Poland"]
[Date "2022.05.04"]
[Round "1"]
[White "Sieniawski, Karol"]
[Black "Meyer, Andrzej"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "37"]
[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. Bb5 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Bg5 d6 7. c3 Be6 8. d4 exd4 9. cxd4 Bb6 10. d5 Bd7 11. dxc6 bxc6 12. Bc4 Rc8 13. e5 Re8 14. exf6 gxf6 15. Bh6 d5 16. Bb3 Ba5 17. Qd3 c5 18. Bc2 c4 19. Qxh7# 1-0

