[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "3"]
[White "Sieminski, Tymoteusz"]
[Black "Chmielek, Milan"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1171"]
[BlackElo "1368"]
[PlyCount "70"]
[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 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 e6 8. Be3 Nf6 9. 0-0-0 Be7 10. Rhe1 0-0 11. h3 b5 12. a3 a5 13. g4 Qb8 14. g5 Nd7 15. Na2 Nc5 16. Bd2 Rc8 17. h4 Bxe4 18. Rxe4 Nb3+ 19. Kb1 Nxd4 20. Rxd4 Qb7 21. Rd3 d5 22. h5 b4 23. a4 Qc6 24. Rc1 Qxa4 25. Ne5 Rc7 26. b3 Qe8 27. Rg1 Rac8 28. Rc1 Bd6 29. Nf3 Rb8 30. Re3 Bf4 31. Re2 Bxd2 32. Rxd2 a4 33. bxa4 Qxa4 34. Rd3 b3 35. Nc3 bxc2# 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.11"]
[Round "9"]
[White "Ciupek, Oskar"]
[Black "Sieminski, Tymoteusz"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "61"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. Nf3 c6 6. a4 a5 7. 0-0 Bg4 8. h3 Bh5 9. d4 Nbd7 10. b3 e6 11. Re1 Be7 12. Ba3 Qf4 13. Bxe7 Kxe7 14. d5 cxd5 15. Bxd5 Kf8 16. Bxb7 Rb8 17. Bc6 Qc7 18. Bxd7 Nxd7 19. Nb5 Qd8 20. Qd6+ Kg8 21. g4 Bg6 22. Red1 Rb7 23. Ne5 Bxc2 24. Rd2 Bxb3 25. Nxd7 h6 26. Nc5 Qxd6 27. Rxd6 Bd5 28. Rd8+ Kh7 29. Rxh8+ Kxh8 30. Nxb7 Bxb7 31. Nd6 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.10"]
[Round "8"]
[White "Sieminski, Tymoteusz"]
[Black "Jasinski, Bartlomiej"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1198"]
[PlyCount "75"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bg4 7. Bd2 Qc7 8. h3 Bh5 9. g4 Bg6 10. Ne5 Be4 11. Nxe4 Nxe4 12. Qf3 Nd6 13. Bxf7+ Nxf7 14. Qxf7+ Kd8 15. 0-0-0 Nd7 16. Bf4 Qd6 17. Qf5 Ke8 18. Nf7 Qf6 19. Qxf6 gxf6 20. Nxh8 Bg7 21. Rhe1 Bxh8 22. Bd6 e5 23. dxe5 fxe5 24. f4 Kf7 25. fxe5 Nb6 26. Rf1+ Ke6 27. Rde1 Nc4 28. b3 Nxd6 29. exd6+ Kxd6 30. Rd1+ Ke6 31. Rf5 Bc3 32. Rd3 Bb4 33. Rh5 Rf8 34. Re3+ Kd6 35. Rxh7 Rf2 36. Kb2 Bc5 37. Rd3+ Ke5 38. Rh5+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.09"]
[Round "7"]
[White "Babij, Piotr"]
[Black "Sieminski, Tymoteusz"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "117"]
[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. c4 c6 2. Nc3 Nf6 3. Nf3 d5 4. d4 Bf5 5. Qb3 Qc7 6. cxd5 cxd5 7. Nxd5 Qa5+ 8. Nc3 b6 9. Qb5+ Qxb5 10. Nxb5 Kd7 11. Bf4 Nc6 12. e3 e6 13. Rc1 Rc8 14. Be2 Bb4+ 15. Nc3 Ne7 16. Ne5+ Ke8 17. Bb5+ Kf8 18. a3 Bxc3+ 19. Rxc3 Rxc3 20. bxc3 Ne4 21. c4 f6 22. Nd7+ Kf7 23. f3 Ng5 24. h4 e5 25. dxe5 Ne6 26. exf6 gxf6 27. Bd6 Rg8 28. e4 Rd8 29. exf5 Nd4 30. Ba4 Nexf5 31. Bf4 b5 32. Bxb5 Nxb5 33. cxb5 Rxd7 34. Ke2 Rd4 35. Be3 Ra4 36. Bc5 Nxh4 37. Bxa7 Rxa7 38. Rxh4 Kg8 39. a4 Rb7 40. Rf4 Kf7 41. Kd3 Ke7 42. Rd4 Ke6 43. Kc3 Rc7+ 44. Rc4 Ra7 45. b6 Rb7 46. a5 Kd6 47. Kb4 h5 48. Kb5 Rg7 49. g4 h4 50. Rc6+ Ke5 51. Rc7 Rg8 52. Rh7 Kd6 53. Rxh4 Kd7 54. Rh7+ Kc8 55. a6 Rg5+ 56. Kc6 Rc5+ 57. Kxc5 f5 58. Kd6 fxg4 59. Rh8# 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.08"]
[Round "6"]
[White "Sieminski, Tymoteusz"]
[Black "Stogiera, Aleksander"]
[Result "0-1"]
[ECO "B53"]
[BlackElo "1013"]
[PlyCount "42"]
[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 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 Qc7 7. Nc3 Nf6 8. Be3 g6 9. 0-0-0 Bg7 10. Rhe1 0-0 11. h3 Nb4 12. Qc4 Qa5 13. Bxd7 Nxd7 14. a3 Rac8 15. Qb3 Na6 16. Bd2 Ndc5 17. Qa2 Qc7 18. Nd5 Nd3+ 19. Kb1 Qxc2+ 20. Ka1 Bxb2+ 21. Qxb2 Qxb2# 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.07"]
[Round "5"]
[White "Markowski, Adam"]
[Black "Sieminski, Tymoteusz"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1183"]
[PlyCount "115"]
[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. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Be2 Bd6 7. 0-0 h6 8. a3 0-0 9. b4 Nbd7 10. Bb2 Rc8 11. h3 Re8 12. Rc1 Qe7 13. Qb3 Nf8 14. cxd5 exd5 15. Rfd1 Ng6 16. Na4 Ne4 17. Nc5 b6 18. Nxe4 Bxe4 19. Rc3 Bb8 20. Rdc1 Qd6 21. g3 Qf6 22. Qd1 h5 23. b5 Re6 24. bxc6 Rexc6 25. Rxc6 Rxc6 26. Rxc6 Qxc6 27. Qc1 Qd7 28. Ng5 Bf5 29. Bxh5 Bxh3 30. Nxh3 Qxh3 31. Bxg6 fxg6 32. Qc6 Bxg3 33. Qxd5+ Kh7 34. fxg3 Qxg3+ 35. Qg2 Qe1+ 36. Kh2 Qxe3 37. Qh3+ Qh6 38. Bc1 Qxh3+ 39. Kxh3 Kg8 40. Kg4 Kf7 41. d5 Ke8 42. Kf4 Kd7 43. Ke5 b5 44. Bd2 a6 45. d6 a5 46. Bxa5 g5 47. Be1 g4 48. Kd5 g6 49. Bg3 b4 50. axb4 g5 51. Be1 Ke8 52. Ke6 g3 53. b5 g2 54. d7+ Kf8 55. d8Q+ Kg7 56. Qxg5+ Kf8 57. Bb4+ Ke8 58. Qe7# 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "3"]
[White "Karas, Jan"]
[Black "Sieminski, Tymoteusz"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1100"]
[PlyCount "53"]
[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. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bd3 Bg4 6. c3 Nc6 7. Nbd2 e6 8. Nf1 Bd6 9. Bg5 0-0 10. N1d2 h6 11. Bh4 Re8 12. Qc2 Rc8 13. a3 a6 14. 0-0 b5 15. a4 Nb4 16. Qb1 Nxd3 17. Qxd3 Bf5 18. Qe2 Qb6 19. Bxf6 gxf6 20. a5 Qc7 21. g3 Bh3 22. Rfc1 f5 23. b3 Kh8 24. Ne5 Rg8 25. Qh5 f6 26. Qxh6+ Qh7 27. Nf7# 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "4"]
[White "Sieminski, Tymoteusz"]
[Black "Kopia, Julian"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1003"]
[PlyCount "167"]
[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. d3 d6 5. h3 h6 6. Nc3 Nf6 7. Be3 Bb6 8. Qd2 Be6 9. Bxe6 fxe6 10. Bxb6 axb6 11. d4 exd4 12. Nxd4 Qd7 13. Ndb5 Ne5 14. f4 Ng6 15. 0-0 0-0 16. Rad1 Qc6 17. Qe3 e5 18. f5 Nf4 19. Kh2 N4h5 20. g3 Nd7 21. Qe2 Nhf6 22. b4 Nb8 23. g4 Na6 24. Rb1 Qd7 25. Rfd1 Qe8 26. Rb3 Nb8 27. Nxc7 Qe7 28. Nxa8 Nc6 29. Qd2 Nd4 30. Qd3 Nxb3 31. cxb3 Rxa8 32. Qxd6 Qxd6 33. Rxd6 Rc8 34. Rd3 Kf7 35. Kg2 h5 36. g5 Ne8 37. g6+ Kf8 38. Kf2 Nf6 39. Ke3 Ke7 40. Kf3 Ke8 41. Ke3 Ke7 42. Kd2 h4 43. Nd5+ Nxd5 44. Rxd5 Kf6 45. Rd6+ Ke7 46. Rxb6 Rd8+ 47. Ke3 Rd7 48. a4 Kd8 49. Rb5 Re7 50. Rd5+ Kc7 51. Rc5+ Kd6 52. Kf3 Re8 53. Kg4 Rh8 54. Rb5 Kc6 55. Rxe5 Kd6 56. Re6+ Kd7 57. e5 b5 58. Rd6+ Ke7 59. f6+ gxf6 60. exf6+ Kxd6 61. g7 Rg8 62. Kf5 Kd7 63. f7 Rxg7 64. f8Q Re7 65. Qb8 bxa4 66. Qb7+ Kd6 67. Qxe7+ Kxe7 68. bxa4 Kd6 69. a5 Kc6 70. Kg4 Kb5 71. Kxh4 Ka6 72. Kg5 Kb5 73. h4 Ka6 74. h5 Kb5 75. h6 Ka4 76. a6 Kb3 77. h7 Kc2 78. h8Q Kd2 79. Qd4+ Ke2 80. Qc3 Kf2 81. a7 Ke2 82. a8R Kf2 83. Ra2+ Kf1 84. Qc1# 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.05"]
[Round "2"]
[White "Sieminski, Tymoteusz"]
[Black "Sosna, Ziemowit"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1010"]
[PlyCount "95"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nd7 8. Qd2 Nf6 9. 0-0-0 a5 10. Bc4 Bd7 11. Rhe1 b5 12. Bd3 b4 13. Re2 0-0 14. Rde1 Re8 15. h4 bxc3 16. Qxc3 Nd5 17. Qd2 Bf6 18. Rxe8+ Bxe8 19. Bxh7+ Kxh7 20. Qxd5 Rb8 21. Qh5+ Kg8 22. c3 Qd7 23. Ng5 Bxg5 24. hxg5 Qb5 25. b3 Qc5 26. Bd2 Qxf2 27. Rh1 Kf8 28. Qh8+ Ke7 29. Re1+ Kd7 30. Qh3+ Kc6 31. Qf3+ Qxf3 32. gxf3 Kd7 33. c4 Ra8 34. Kb2 c5 35. a3 Kc6 36. Bxa5 Rxa5 37. Rxe8 Ra7 38. f4 Kd7 39. Re3 Ra8 40. a4 Re8 41. Rxe8 Kxe8 42. Kc3 Kd7 43. Kd3 Kc6 44. Ke4 Kb6 45. Kd5 Kc7 46. f5 Kd7 47. a5 Kc7 48. a6 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.04"]
[Round "1"]
[White "Czech, Franciszek"]
[Black "Sieminski, Tymoteusz"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1122"]
[PlyCount "55"]
[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 Nf6 4. d3 Bc5 5. 0-0 d6 6. h3 h6 7. Nbd2 Be6 8. Bb3 0-0 9. c3 Qd7 10. Re1 Rfe8 11. Nf1 Rad8 12. Ng3 a6 13. d4 Bxb3 14. axb3 exd4 15. cxd4 Bb4 16. Bd2 Bxd2 17. Qxd2 d5 18. e5 Nh7 19. Rac1 Nf8 20. Nh4 Ne6 21. Ne2 Ne7 22. f4 g6 23. f5 Nxf5 24. Nxf5 gxf5 25. Qxh6 Ng7 26. Nf4 Ne6 27. Nh5 Qe7 28. Nf6+ 1-0

