[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.16"]
[Round "9.8"]
[White "Grzechowiak, Kacper"]
[Black "Posselt, Mateusz"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1148"]
[PlyCount "45"]
[EventDate "2018.02.12"]
[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. d4 cxd4 4. Nxd4 e5 5. Nb3 Qc7 6. Nc3 Bb4 7. Be3 Bxc3+ 8. bxc3 d6 9. Qd2 Be6 10. Rd1 0-0-0 11. Be2 Kb8 12. f4 g6 13. Bb5 Nge7 14. 0-0 Bg4 15. Rb1 f5 16. h3 Bh5 17. exf5 gxf5 18. Nc1 Ka8 19. Rb3 Rhg8 20. Ra3 Rg7 21. Bb6 Qxb6+ 22. Kh1 Qxb5 23. Nd3 0-1

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.15"]
[Round "7.7"]
[White "Posselt, Mateusz"]
[Black "Kaminski, Mateusz"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1412"]
[PlyCount "140"]
[EventDate "2018.02.12"]
[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 exd4 4. Nxd4 Bc5 5. c3 Qf6 6. Be3 Nge7 7. b4 Bb6 8. a4 a6 9. Qd2 h6 10. Be2 0-0 11. 0-0 Qg6 12. Nb3 Qxe4 13. Bd3 Qe6 14. Nc5 Bxc5 15. Bxc5 d6 16. Re1 Qd7 17. Be3 Ne5 18. Bc2 Qg4 19. Qe2 Qxe2 20. Rxe2 Bf5 21. Ra2 Bxc2 22. Raxc2 Nc4 23. Nd2 Nxe3 24. Rxe3 Nc6 25. Nb3 Rfe8 26. Nd4 Nxd4 27. cxd4 Rxe3 28. fxe3 c6 29. Rb2 Rc8 30. a5 Kf8 31. Kf2 Ke7 32. Kf3 Ke6 33. Ke4 f5+ 34. Kd3 Kd5 35. Rf2 g6 36. g3 Ke6 37. Re2 d5 38. Rc2 Rb8 39. Ke2 Kd6 40. Kd3 b6 41. Kc3 bxa5 42. Rb2 axb4+ 43. Rxb4 Rb5 44. Ra4 a5 45. Ra1 c5 46. h3 c4 47. Ra3 Ke6 48. Kc2 Kf6 49. Ra1 Kg5 50. Rf1 Rb3 51. Ra1 Rxe3 52. Rxa5 Rxg3 53. Rxd5 Rxh3 54. Rc5 Ra3 55. Rxc4 f4 56. Kd2 Re3 57. d5 Re5 58. Rc1 Rxd5+ 59. Ke2 Kf5 60. Rc8 Kg4 61. Rc3 h5 62. Rc6 g5 63. Rc1 f3+ 64. Ke3 Re5+ 65. Kf2 Re2+ 66. Kf1 Kg3 67. Re1 Rxe1+ 68. Kxe1 f2+ 69. Kf1 h4 70. Ke2 Kg2 0-1

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.15"]
[Round "8.8"]
[White "Posselt, Mateusz"]
[Black "Karabasz, Kacper"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "1436"]
[PlyCount "30"]
[EventDate "2018.02.12"]
[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. d3 Nc6 4. Be2 Bc5 5. h3 d5 6. exd5 Nxd5 7. 0-0 0-0 8. Re1 Re8 9. Bf1 Qd6 10. c3 Bb6 11. Qc2 Bf5 12. Nbd2 Qg6 13. Nh4 Qg3 14. Nxf5 Qxf2+ 15. Kh1 Qg1# 0-1

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.14"]
[Round "5.8"]
[White "Lewandowski, Bartosz"]
[Black "Posselt, Mateusz"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "97"]
[EventDate "2018.02.12"]
[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 d6 2. d4 g6 3. h3 Bg7 4. Nf3 c6 5. Nc3 Qc7 6. Be3 Nd7 7. Qd2 e6 8. d5 Nb6 9. Bxb6 axb6 10. Be2 Ne7 11. 0-0 cxd5 12. exd5 Bxc3 13. Qxc3 Qxc3 14. bxc3 Nxd5 15. c4 Nc3 16. Bd3 e5 17. Ng5 f5 18. h4 e4 19. Rfe1 h6 20. Nh3 0-0 21. Bf1 Bd7 22. Re3 Na4 23. Rb1 Rae8 24. Ra3 f4 25. f3 Bc6 26. c5 e3 27. Be2 d5 28. Kf1 b5 29. Bxb5 Bxb5+ 30. Rxb5 d4 31. Rxa4 e2+ 32. Ke1 Rf5 33. Rxd4 g5 34. h5 Rfe5 35. Rd3 b6 36. a4 Ra8 37. cxb6 Ree8 38. Ng1 Rxa4 39. Nxe2 Ra2 40. Kd2 Rc8 41. Rc3 Rd8+ 42. Kc1 Ra1+ 43. Kb2 Rdd1 44. Rcc5 Rab1+ 45. Kc3 Ra1 46. b7 Ra3+ 47. Rb3 Rxb3+ 48. cxb3 Rd8 49. Rc8 1-0

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.13"]
[Round "4.9"]
[White "Posselt, Mateusz"]
[Black "Block, Mateusz"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "69"]
[EventDate "2018.02.12"]
[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. e5 f6 4. Nf3 fxe5 5. Nxe5 Bd6 6. f4 Bxe5 7. fxe5 Qe7 8. Be3 Nc6 9. a3 Bd7 10. Be2 0-0-0 11. 0-0 Re8 12. c3 Qd8 13. a4 Nge7 14. Bg5 Rhg8 15. Bd3 g6 16. Bf6 Rgf8 17. b4 a5 18. b5 Na7 19. Na3 b6 20. Rc1 c6 21. c4 Qc7 22. Bxe7 Rxe7 23. Rxf8+ Kb7 24. Qc2 c5 25. cxd5 exd5 26. dxc5 bxc5 27. b6 Qxb6 28. Rb1 Qb4 29. Rxb4+ cxb4 30. Nb5 Nc6 31. Qc5 Rxe5 32. Qd6 Re7 33. Nd4 Nxd4 34. Rb8+ Ka7 35. Qb6# 1-0

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.12"]
[Round "1.7"]
[White "Juszczak, Milosz"]
[Black "Posselt, Mateusz"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1380"]
[PlyCount "89"]
[EventDate "2018.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 d5 2. d4 Bf5 3. e3 Nd7 4. Nf3 c6 5. Nh4 e6 6. Nxf5 exf5 7. c4 Ngf6 8. c5 b6 9. b4 Ne4 10. g3 g6 11. Qa4 Qc7 12. Nd2 b5 13. Qa6 Nb8 14. Qa3 a6 15. Nxe4 fxe4 16. g4 Be7 17. Qb2 Bh4+ 18. Kd1 Nd7 19. g5 f6 20. Qg2 a5 21. Qg4 axb4 22. Qxh4 f5 23. Qe1 b3 24. a3 0-0 25. Qb4 Rfb8 26. h4 Qa7 27. Qxb3 Qa4 28. Kc2 Qxb3+ 29. Kxb3 Ra4 30. Rh2 b4 31. Rha2 Ra7 32. axb4 Rab7 33. Bd2 Rc7 34. Ra8 Rcc8 35. Rxb8 Nxb8 36. Ra8 Rf8 37. b5 h6 38. bxc6 Nxc6 39. Rxf8+ Kxf8 40. gxh6 Ne7 41. Bb4 Kg8 42. Bb5 Kh7 43. c6 Nxc6 44. Bxc6 Kxh6 45. Bxd5 1-0

[Event "Bydgoszcz U18"]
[Site "Bydgoszcz"]
[Date "2018.02.12"]
[Round "2.7"]
[White "Posselt, Mateusz"]
[Black "Florek, Wojciech"]
[Result "1/2-1/2"]
[ECO "B54"]
[BlackElo "1263"]
[PlyCount "69"]
[EventDate "2018.02.12"]
[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. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. Be3 g6 7. c3 Nf6 8. Nd2 Bg7 9. Qa4 Qc7 10. Nxc6 Bxc6 11. Bxc6+ Qxc6 12. Qxc6+ bxc6 13. f3 0-0 14. 0-0 a6 15. Rab1 c5 16. Rfd1 Rab8 17. b4 Nd7 18. Rdc1 Rfc8 19. a3 cxb4 20. cxb4 Rxc1+ 21. Rxc1 Bb2 22. Rc7 Nf8 23. Nb1 a5 24. Bd2 axb4 25. axb4 Bf6 26. Rc2 Ne6 27. Bh6 Nf8 28. Bd2 Nd7 29. Nc3 Bd4+ 30. Kf1 Rxb4 31. Nd5 Rb1+ 32. Ke2 e6 33. Bh6 Rb8 34. Ne7+ Kh8 35. Nc6 1/2-1/2

