[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.11"]
[Round "9"]
[White "Maciejewski, Iwo"]
[Black "Wasilewski, Mateusz"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1106"]
[PlyCount "51"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 Nbd7 9. Nc3 b6 10. f4 Bb7 11. Kh1 g6 12. f5 e5 13. Nc2 Be7 14. Bh6 Ng8 15. Bg7 Bf6 16. Bxh8 Bxh8 17. Qf2 Ngf6 18. Ne3 Nc5 19. Bc2 Nfxe4 20. Nxe4 Nxe4 21. Bxe4 Bxe4 22. Qh4 h5 23. Qxe4 Ra7 24. fxg6 fxg6 25. Qxg6+ Kd7 26. Rf7+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.10"]
[Round "8"]
[White "Maciejewski, Iwo"]
[Black "Markowski, Adam"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1106"]
[BlackElo "1183"]
[PlyCount "57"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 0-0 11. Nxc5 Bxc5 12. Bg5 d4 13. Qd3 h6 14. Bh4 Qd6 15. Bg3 Qd5 16. Be5 Rad8 17. Rfd1 Ng4 18. Bxd4 Qh5 19. Qb5 Qd5 20. Qxc5 Qe4 21. h3 b6 22. Qc3 Nf6 23. Bxf6 Rxd1+ 24. Rxd1 gxf6 25. Qxf6 Qe2 26. Rd4 Re8 27. Rg4+ Kf8 28. Qxh6+ Ke7 29. Qe3+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.09"]
[Round "7"]
[White "Buklaho, Ignacy"]
[Black "Maciejewski, Iwo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1330"]
[BlackElo "1106"]
[PlyCount "119"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bg5 Bb4 8. a3 Bxc3+ 9. bxc3 Qa5 10. Bd3 Qxc3+ 11. Bd2 Qd4 12. 0-0 0-0 13. Rb1 d5 14. Bb4 Bg4 15. Qe1 c5 16. Bc3 Qa4 17. f3 Bd7 18. exd5 Nxd5 19. Qxe5 Nxc3 20. Qxc3 Qd4+ 21. Qxd4 cxd4 22. Rb4 Rab8 23. Rfb1 Rbc8 24. Rxd4 Bc6 25. h3 g6 26. Kf2 Rfd8 27. Rxd8+ Rxd8 28. Rb4 Rd5 29. Be4 Rc5 30. Rb8+ Kg7 31. Rc8 Ra5 32. Rxc6 Rxa3 33. c4 a5 34. Ra6 a4 35. c5 Rc3 36. c6 a3 37. Ke2 Kh6 38. Kd2 Rc5 39. Rxa3 f5 40. Rc3 Rxc6 41. Bxc6 Kg5 42. g4 fxg4 43. hxg4 Kf4 44. Be4 Kg5 45. Rc7 h5 46. gxh5 Kxh5 47. Bxg6+ Kg5 48. Ke3 Kf6 49. f4 Ke6 50. f5+ Kf6 51. Rf7+ Ke5 52. f6 Ke6 53. Rf8 Kd7 54. f7 Ke7 55. Re8+ Kd6 56. f8Q+ Kd7 57. Bf5+ Kc6 58. Rc8+ Kb5 59. Qc5+ Ka4 60. Bc2# 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.08"]
[Round "6"]
[White "Maciejewski, Iwo"]
[Black "Bilochenko, Matvii"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1106"]
[BlackElo "1384"]
[PlyCount "82"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f3 Bb4 9. Bd2 a6 10. a3 Be7 11. Be3 b5 12. Bc5 d6 13. Be3 0-0 14. Nd4 Bb7 15. Be2 Rac8 16. 0-0 Ne5 17. Na2 d5 18. exd5 Nxd5 19. Qd2 Ng6 20. c3 Nxe3 21. Qxe3 e5 22. Nb3 Bd5 23. Nac1 f5 24. Qd2 Be6 25. Qc2 Nf4 26. Bd3 Nd5 27. Re1 Bg5 28. Qf2 f4 29. g3 Ne3 30. gxf4 exf4 31. Nd4 Bh3 32. Nc2 Qe7 33. Nxe3 Bh4 34. Bxh7+ Kxh7 35. Qc2+ Kh8 36. Re2 fxe3 37. Qg6 Qg5+ 38. Qxg5 Bxg5 39. Nd3 Rxf3 40. Nb4 Rcf8 41. Ree1 e2 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.07"]
[Round "5"]
[White "Serafin, Franciszek"]
[Black "Maciejewski, Iwo"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1241"]
[BlackElo "1106"]
[PlyCount "67"]
[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. c4 c6 3. Nc3 Nf6 4. Nf3 Nbd7 5. cxd5 Nxd5 6. e4 N5f6 7. e5 Nd5 8. Nxd5 cxd5 9. Bd3 e6 10. 0-0 Be7 11. Bf4 Nf8 12. Rc1 Bd7 13. Qe2 Ng6 14. Be3 0-0 15. g3 a6 16. h4 Bb5 17. a3 Bxd3 18. Qxd3 Qb6 19. Rc2 Rfc8 20. Rfc1 Rc6 21. Nd2 Rac8 22. Kg2 Nf8 23. Rxc6 Rxc6 24. Rxc6 Qxc6 25. Nb1 Nd7 26. Qc3 Qxc3 27. Nxc3 Nb6 28. Bc1 Nc4 29. Nb1 f6 30. f4 Kf7 31. b3 Na5 32. Nd2 fxe5 33. dxe5 Nc6 34. Bb2 1/2-1/2

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "4"]
[White "Ejsymont, Eryk"]
[Black "Maciejewski, Iwo"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1403"]
[BlackElo "1106"]
[PlyCount "152"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 Bd7 9. 0-0 0-0 10. Qd2 a6 11. f3 Ne8 12. b3 Nc7 13. Rac1 Ne6 14. Nxe6 fxe6 15. Kh1 Qa5 16. Bh6 Qh5 17. Bxg7 Kxg7 18. f4 Qc5 19. e5 Rad8 20. Ne4 Qd4 21. Qxd4 Nxd4 22. exd6 exd6 23. Bg4 h5 24. Bh3 Ne2 25. Rcd1 Nxf4 26. Rxd6 Bc6 27. Rxd8 Rxd8 28. Ng5 Rd2 29. Rg1 Rd3 30. Nxe6+ Nxe6 31. Bxe6 Kf6 32. Bd5 Bxd5 33. cxd5 Rxd5 34. Rc1 Rd2 35. h4 Rxa2 36. Rc7 b5 37. Kh2 Ra3 38. Rc6+ Kg7 39. Rb6 Rxb3 40. Rxa6 Rb1 41. Kg3 b4 42. Kf4 b3 43. Kg5 Rg1 44. Ra7+ Kf8 45. Kxg6 b2 46. Ra8+ Ke7 47. Ra7+ Kd8 48. Rb7 b1Q+ 49. Rxb1 Rxb1 50. Kxh5 Ke7 51. Kg6 Kf8 52. g4 Kg8 53. h5 Rb6+ 54. Kf5 Kg7 55. g5 Rb1 56. h6+ Kh7 57. Kg4 Kg6 58. Kh4 Rg1 59. h7 Rh1+ 60. Kg4 Rxh7 61. Kf4 Rh5 62. Ke4 Rxg5 63. Kd4 Kf6 64. Ke4 Rf5 65. Kd4 Re5 66. Kc4 Ke6 67. Kd4 Kd6 68. Kc4 Rd5 69. Kc3 Kc5 70. Kb3 Rd3+ 71. Kc2 Kc4 72. Kb2 Rc3 73. Ka2 Rb3 74. Ka1 Kc3 75. Ka2 Kc2 76. Ka1 Ra3# 0-1

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.06"]
[Round "3"]
[White "Maciejewski, Iwo"]
[Black "Mrozowski, Nikodem"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1106"]
[BlackElo "1350"]
[PlyCount "84"]
[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. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 g6 7. c3 Nb6 8. d4 cxd4 9. cxd4 Bg7 10. Nc3 0-0 11. Bg5 Qd7 12. Rac1 d5 13. e5 Ne8 14. Qb5 Qxb5 15. Nxb5 f6 16. Bf4 fxe5 17. Bxe5 Rc8 18. Rxc8 Nxc8 19. Bxg7 Kxg7 20. Rc1 Ned6 21. Nxd6 Nxd6 22. Rc7 Kf6 23. Ne5 Rc8 24. Rxc8 Nxc8 25. f3 Nd6 26. Nd7+ Kf5 27. Kf2 b6 28. Nb8 Ke6 29. Nc6 a5 30. Ne5 Nf5 31. Nc6 Kd6 32. Na7 Nxd4 33. Nc8+ Kd7 34. Nxb6+ Kc6 35. Na4 Kb5 36. Nc3+ Kc4 37. Ke3 Nf5+ 38. Ke2 d4 39. Ne4 d3+ 40. Kd2 Kd4 41. Nf2 Nh4 42. Nxd3 Nxg2 1/2-1/2

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.05"]
[Round "2"]
[White "Maciejewski, Iwo"]
[Black "Olejko, Wojciech"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "1106"]
[BlackElo "1273"]
[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 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bc5 6. d4 Bb4 7. Bd2 c5 8. a3 Bxc3 9. bxc3 0-0 10. Be2 Nc6 11. 0-0 Bg4 12. dxc5 Bxf3 13. Bxf3 Nxe5 14. Bxe4 dxe4 15. Qe2 Re8 16. Rad1 Ng6 17. Qc4 Qd7 18. Rfe1 Qe6 19. Qb4 Qc6 20. Be3 a5 21. Qb6 f5 22. g3 Kf7 23. Rf1 Ne7 24. Bg5 g6 25. Rd6 Qxb6 26. Rxb6 Rac8 27. Rb5 a4 28. Rd1 Ke6 29. Rd6+ Kf7 30. Kf2 Rc6 31. Ke2 Rec8 32. Rxb7 R6c7 33. Rd7 Rxb7 34. Rxb7 Re8 35. c6 Ke6 36. Bxe7 Rxe7 37. c7 Kd7 38. c8Q+ 1-0

[Event "POL-ch U10"]
[Site "Sielpia"]
[Date "2023.03.04"]
[Round "1"]
[White "Wojenka, Antoni"]
[Black "Maciejewski, Iwo"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1106"]
[PlyCount "126"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bc4 Bg7 7. c3 Qc7 8. Qf3 Nf6 9. 0-0 0-0 10. Re1 Bb7 11. Qf4 Qxf4 12. Bxf4 Nh5 13. Bg3 Nxg3 14. fxg3 d5 15. exd5 cxd5 16. Rxe7 dxc4 17. Rxb7 Rab8 18. Rc7 Rxb2 19. Rxc4 Re8 20. Kf1 Ree2 21. Rb4 Rf2+ 22. Ke1 Rxg2 23. Rxb2 Rxb2 24. h4 Rh2 25. a4 Bxc3+ 26. Nxc3 Rh1+ 27. Kd2 Rxa1 28. Kd3 Kf8 29. Kc4 Rg1 30. Ne2 Rb1 31. a5 Ke7 32. Nd4 Kd7 33. a6 Rb6 34. Nb3 Rxb3 35. Kxb3 f5 36. Kc4 Kc6 37. Kd4 Kd6 38. Kc4 Ke5 39. Kc5 Ke6 40. Kc6 h5 41. Kb7 Kd7 42. Kxa7 Kc7 43. Ka8 Kc8 44. Ka7 Kc7 45. Ka8 Kb6 46. Kb8 Kxa6 47. Kc7 Kb5 48. Kd6 Kc4 49. Ke5 Kd3 50. Kf4 Ke2 51. Kg5 Kf3 52. Kxg6 Kg4 53. Kh6 Kxg3 54. Kxh5 f4 55. Kg5 f3 56. h5 f2 57. h6 f1Q 58. h7 Qa1 59. Kg6 Qh8 60. Kh6 Kf4 61. Kg6 Ke5 62. Kh6 Kf5 63. Kh5 Qxh7# 0-1

