[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.07.04"]
[Round "9"]
[White "Marek, Grzegorz"]
[Black "Bury, Milosz"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1651"]
[BlackElo "1800"]
[PlyCount "96"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 h6 11. Bh4 b5 12. e5 Bb7 13. Nxe6 fxe6 14. Bg6+ Kf8 15. exf6 Bxf6 16. Qh3 Nc5 17. Bxf6 gxf6 18. b4 Rg8 19. Qxh6+ Qg7 20. Qxg7+ Rxg7 21. bxc5 Rxg6 22. cxd6 Rxg2 23. Rhe1 Kf7 24. f5 e5 25. Nd5 Bxd5 26. Rxd5 Rd8 27. h4 Rh2 28. Re4 Rf2 29. h5 Rxf5 30. Rh4 Rg5 31. h6 Rgg8 32. Rc5 Rxd6 33. Rc7+ Ke6 34. h7 Rh8 35. Rh6 a5 36. Rg7 Rdd8 37. Rhg6 Rd4 38. Rh6 Rdd8 39. Rhg6 e4 40. Rg8 e3 41. Rxd8 Rxd8 42. Rg8 e2 43. Rxd8 e1Q+ 44. Kb2 Qb4+ 45. Kc1 Qf4+ 46. Kb1 Qb4+ 47. Kc1 Qe1+ 48. Kb2 Ke5 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.07.03"]
[Round "8"]
[White "Cyra, Dariusz"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1863"]
[BlackElo "1651"]
[PlyCount "73"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 e6 5. Nbd2 Be7 6. Bd3 c5 7. c3 0-0 8. Qe2 cxd4 9. exd4 d6 10. 0-0 Nbd7 11. h3 Re8 12. Rfe1 e5 13. Bg3 e4 14. Nxe4 Bxe4 15. Bxe4 d5 16. Bd3 Bd6 17. Qc2 Bxg3 18. fxg3 Qc7 19. g4 g6 20. Qf2 a6 21. Ng5 b5 22. a4 Rxe1+ 23. Rxe1 h6 24. Nf3 bxa4 25. Ra1 a5 26. Rxa4 Kg7 27. Ra1 Qb6 28. Re1 Ng8 29. g5 hxg5 30. Nxg5 Ndf6 31. Qg3 Qxb2 32. Qc7 Qd2 33. Qxf7+ Kh8 34. Re7 Qc1+ 35. Bf1 Nxe7 36. Qxf6+ Kg8 37. Qf7+ 1-0

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.07.02"]
[Round "7"]
[White "Marek, Grzegorz"]
[Black "Zareba, Piotr"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1651"]
[BlackElo "1724"]
[PlyCount "24"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 a6 5. Bxc6+ Bd7 6. h4 Qxh4 7. Qe2 Qh3 8. Bc1 Qe6 9. Qh5 Qg4 10. Kf1 Be7 11. a4 Bb4 12. a5 Qd4 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.07.01"]
[Round "6"]
[White "Hiszczynski, Jakub"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1977"]
[BlackElo "1651"]
[PlyCount "122"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. h4 g6 14. g3 Bg7 15. h5 Ne7 16. Ncb4 Bb7 17. Qd2 Nxd5 18. Nxd5 Rc8 19. Bg2 Rc5 20. hxg6 hxg6 21. Ne3 f5 22. 0-0-0 b4 23. Qxd6 Qxd6 24. Rxd6 bxc3 25. b3 fxe4 26. Bh3 Rxf2 27. Rd8+ Bf8 28. Be6+ Kg7 29. Rd7+ Kf6 30. Rf7+ Kxe6 31. Rxf2 Bg7 32. Kc2 a5 33. Re1 Ba6 34. Nc4 Bxc4 35. bxc4 Rxc4 36. Re3 Bh6 37. Rxc3 Rxc3+ 38. Kxc3 Be3 39. Rf8 Bd4+ 40. Kc4 Be3 41. Re8+ Kf5 42. Kd5 Bd4 43. Rf8+ Kg4 44. Kxe4 Kxg3 45. Rg8 Kf2 46. Rxg6 Bc3 47. a4 Ke2 48. Rg2+ Kd1 49. Kd3 Bd4 50. Rh2 Ke1 51. Ra2 Kd1 52. Rg2 Kc1 53. Rh2 Kb1 54. Kc4 Kc1 55. Rg2 Kd1 56. Rg8 Kc2 57. Ra8 Bc3 58. Rd8 Bd4 59. Rd5 Bc3 60. Rd3 Bd2 61. Rh3 e4 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.06.30"]
[Round "5"]
[White "Marek, Grzegorz"]
[Black "Borkowski, Szymon"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1651"]
[BlackElo "1629"]
[PlyCount "73"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 b6 5. Nc3 Bb7 6. e3 Nc6 7. a3 Bg7 8. d4 0-0 9. Nf3 f5 10. Qc2 f4 11. Qd2 fxe3 12. fxe3 Re8 13. b4 Ne7 14. Bd3 Bh6 15. Nd1 Nf5 16. Bxf5 gxf5 17. 0-0 Qe7 18. Re1 Qf6 19. Nf2 Bxf3 20. gxf3 Rxe3 21. Rxe3 Qg5+ 22. Kf1 Qxe3 23. Qxe3 Bxe3 24. d5 a5 25. b5 Bf4 26. h3 f6 27. Nd3 Be3 28. a4 Kf7 29. Re1 Bd4 30. Re2 d6 31. Nf4 Rg8 32. Rg2 Rxg2 33. Kxg2 Be3 34. Ne6 f4 35. Nxc7 Kg6 36. Ne6 Kf5 37. Kh2 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.06.29"]
[Round "4"]
[White "Kusiak, Mateusz"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1943"]
[BlackElo "1651"]
[PlyCount "99"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. 0-0 Be6 10. Na3 a6 11. Nc2 Bxb3 12. axb3 e6 13. Nfxd4 Be7 14. Qf3 Nxd4 15. Nxd4 Qd5 16. Qe2 0-0 17. Be3 Qd6 18. Rfd1 Nd5 19. Bc1 Qb6 20. b4 Bf6 21. Nf3 Rad8 22. Bg5 Bxg5 23. Nxg5 h6 24. Ne4 Nf4 25. Qf3 Rxd1+ 26. Rxd1 Rd8 27. Nc5 Rxd1+ 28. Qxd1 Nd5 29. Qa4 Qc7 30. Qe8+ Kh7 31. g3 Nb6 32. h4 g6 33. Qf8 Nd5 34. Ne4 f5 35. Nd6 Qe7 36. Qxe7+ Nxe7 37. Nxb7 Nd5 38. Nc5 Nc7 39. f4 g5 40. h5 Kg7 41. Kf2 Kf6 42. c4 Ke7 43. Ke3 g4 44. Kd4 Kd6 45. b3 Ne8 46. Nxa6 Nf6 47. b5 Nxh5 48. c5+ Kd7 49. c6+ Kc8 50. b6 1-0

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.06.28"]
[Round "3"]
[White "Marek, Grzegorz"]
[Black "Musial, Igor"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1651"]
[BlackElo "1921"]
[PlyCount "53"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. e3 Nf6 4. Nf3 e6 5. Be2 h6 6. 0-0 c6 7. d3 Nbd7 8. c4 Bd6 9. cxd5 exd5 10. Nbd2 0-0 11. Qc2 Bh7 12. a3 Qe7 13. Rfe1 Rfe8 14. h3 Rad8 15. Bf1 Qf8 16. b4 a6 17. Bc3 Rc8 18. Qb2 b5 19. Nb3 Re6 20. Nbd4 Ree8 21. Nb3 Re6 22. Nbd4 Re7 23. Nh4 c5 24. Nhf3 Ne8 25. Rac1 Nef6 26. Nh4 Re6 27. Ndf5 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.06.27"]
[Round "2"]
[White "Stepinski, Piotr"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1845"]
[BlackElo "1651"]
[PlyCount "50"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. d4 exd4 9. cxd4 0-0 10. Nc3 cxd4 11. Nxd4 d5 12. Ba4 dxe4 13. Nxc6 Nxc6 14. Nxe4 Qxd1 15. Rfxd1 Bxb2 16. Rab1 Bg7 17. Nd6 Be6 18. Nxb7 Ne5 19. Bb3 Bxb3 20. Rxb3 a5 21. a4 Rfc8 22. Rb5 Rc4 23. Rxa5 Rxa4 24. Rxa4 Rxa4 25. h3 Ra8 1/2-1/2

[Event "Lazy Baltic Pearl op-A 19th"]
[Site "Lazy"]
[Date "2023.06.26"]
[Round "1"]
[White "Marek, Grzegorz"]
[Black "Lecki, Leonard"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1651"]
[BlackElo "1914"]
[PlyCount "70"]
[EventDate "2023.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. Nf3 e6 5. Be2 h6 6. d3 c5 7. c4 Nc6 8. cxd5 exd5 9. 0-0 Bd6 10. Nbd2 0-0 11. a3 Rc8 12. Re1 Qe7 13. Bf1 Rfd8 14. Qb1 Bg6 15. Bc3 Ng4 16. Qb2 Qc7 17. g3 d4 18. exd4 cxd4 19. Bxd4 Nxd4 20. Qxd4 Nxh2 21. Kxh2 Bxg3+ 22. fxg3 Rxd4 23. Nxd4 Rd8 24. N2f3 Qc3 25. b4 Qb2+ 26. Kh3 Rxd4 27. Nxd4 Qxd4 28. Rad1 Bh5 29. Be2 Bg6 30. Bf1 Qf2 31. Bg2 Bh5 32. Re8+ Kh7 33. Rf1 Qc2 34. Be4+ Bg6 35. Rxf7 Qd1 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "6"]
[White "Brozynski, Patryk"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1910"]
[BlackElo "1657"]
[PlyCount "95"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Qd3 Qc7 7. Ndb5 Qb8 8. Qg3 Qxg3 9. hxg3 Kd8 10. Bf4 Ne8 11. 0-0-0 a6 12. Nd6 Nxd6 13. Bxd6 Bxd6 14. Rxd6 Ke7 15. Rd2 h6 16. f4 d6 17. Be2 b5 18. Rhd1 Rd8 19. Bf3 Bb7 20. Re1 Rac8 21. Nd5+ Kf8 22. Ne3 Ke7 23. Nd5+ Kf8 24. Ne3 Ke7 25. Kb1 Na5 26. Rd4 Rc7 27. Red1 Nc6 28. R4d2 Na7 29. c3 Nc6 30. b3 Na5 31. Kb2 Ba8 32. Nc2 Nc6 33. Nd4 Na5 34. e5 Bxf3 35. gxf3 d5 36. f5 Rdc8 37. Rd3 Nc6 38. Nxc6+ Rxc6 39. fxe6 fxe6 40. R1d2 Kf7 41. Rh2 Kg6 42. Rh4 Kf5 43. Re3 Kg6 44. Rg4+ Kf7 45. Rf4+ Ke7 46. Rd3 Rc5 47. Re3 R5c6 48. Rd3 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "2"]
[White "Dylong, Antoni"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2034"]
[BlackElo "1657"]
[PlyCount "94"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. f3 Nc6 4. e4 e5 5. d5 Nd4 6. Ne2 Nc6 7. Ng1 Nd4 8. Ne2 Bc5 9. Nxd4 Bxd4 10. Nd2 d6 11. g3 Bc5 12. Nb3 Bb4+ 13. Kf2 Nd7 14. a3 Bc5+ 15. Nxc5 Nxc5 16. b4 Nd7 17. Be3 0-0 18. Bh3 Qe7 19. Qc2 Nf6 20. Bxc8 Rfxc8 21. b5 a5 22. h4 Rf8 23. g4 Nd7 24. Rag1 f6 25. Rg3 Kh8 26. Ke1 Rf7 27. Qg2 Raf8 28. Rg1 Rg8 29. g5 fxg5 30. hxg5 g6 31. Rh3 Rgf8 32. Rgh1 Kg8 33. Qg4 Rg7 34. Ke2 Nb8 35. Ke1 Nd7 36. Ke2 Nb8 37. R1h2 Nd7 38. Kd3 Nc5+ 39. Bxc5 dxc5 40. Ke3 Rgf7 41. Ke2 Rf4 42. Qe6+ Qxe6 43. dxe6 Re8 44. Rxh7 Kf8 45. Rxc7 Kg8 46. Rch7 Rff8 47. Rh8+ Kg7 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "4"]
[White "Malinowski, Szymon"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1946"]
[BlackElo "1657"]
[PlyCount "115"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Be2 Bg4 6. 0-0 e6 7. c3 Bd6 8. Bg5 h6 9. Bh4 0-0 10. Nbd2 a6 11. Bd3 Be7 12. Qb1 c4 13. Bc2 b5 14. a3 a5 15. h3 Bxf3 16. Nxf3 Nd7 17. Bxe7 Qxe7 18. e4 b4 19. Re1 Nb6 20. exd5 Nxd5 21. Ba4 Qd6 22. Qe4 Rfc8 23. Bc2 Nf6 24. Qh4 bxc3 25. bxc3 Ne7 26. Ne5 Ned5 27. Qg3 Rab8 28. Qf3 Qc7 29. g4 Ne8 30. h4 Nd6 31. a4 Qe7 32. Qg3 Rf8 33. Nc6 Qd7 34. Nxb8 Rxb8 35. Rab1 Rf8 36. f4 Kh8 37. g5 h5 38. g6 fxg6 39. Qxg6 Nf6 40. Re5 Kg8 41. Rxa5 Qc6 42. Rg5 Rf7 43. Rb8+ Nde8 44. Re5 Kf8 45. Qg2 Qd6 46. Rb7 Nc7 47. Bg6 Re7 48. Rb8+ Nce8 49. Rbb5 Qa3 50. Qb2 Qxa4 51. Qc2 Qa1+ 52. Kg2 Ra7 53. Rb2 Nd5 54. Bxe8 Kxe8 55. Qg6+ Kd8 56. Rxd5+ exd5 57. Qd6+ Ke8 58. Rb8+ 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "5"]
[White "Marek, Grzegorz"]
[Black "Borowik, Wojciech"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "1657"]
[BlackElo "1890"]
[PlyCount "166"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. Qf3 Qc7 10. Qg3 b4 11. Nce2 g6 12. f3 e5 13. Ba4+ Bd7 14. Bxd7+ Nbxd7 15. Nb3 Qxc2 16. Qf2 0-0 17. Bh6 Rfc8 18. Rab1 a5 19. Rfd1 a4 20. Nd2 d5 21. exd5 Nxd5 22. Ne4 Nc5 23. Rbc1 Nxe4 24. Rxc2 Nxf2 25. Rxc8+ Rxc8 26. Rxd5 Bc5 27. Rxc5 Nh3+ 28. gxh3 Rxc5 29. Kf2 Rc2 30. Bc1 f5 31. Ke1 Kf7 32. Kd1 Rc4 33. b3 axb3 34. axb3 Rh4 35. Ng1 Ke6 36. Be3 Kd5 37. Bf2 Rf4 38. Be3 Rh4 39. Bf2 Rh5 40. Be1 e4 41. fxe4+ Kxe4 42. Ke2 f4 43. Bxb4 Rb5 44. Bd2 Rxb3 45. h4 h6 46. Kf2 g5 47. hxg5 hxg5 48. h3 Ra3 49. Ke2 Rg3 50. Kf2 Kf5 51. h4 gxh4 52. Bxf4 Ra3 53. Ne2 Kg4 54. Bh2 Ra2 55. Bd6 Kf5 56. Kf3 h3 57. Bg3 Ra3+ 58. Kf2 Ke4 59. Ng1 Ra2+ 60. Kf1 h2 61. Bxh2 Rxh2 62. Ke1 Ke3 63. Kf1 Ra2 64. Nh3 Ra1+ 65. Kg2 Ra8 66. Kg3 Rg8+ 67. Kh4 Ke4 68. Ng5+ Kf4 69. Nh3+ Kf5 70. Nf2 Rg7 71. Nh3 Rg2 72. Kh5 Rg4 73. Nf2 Rg3 74. Kh4 Ra3 75. Nh3 Rb3 76. Nf2 Rb2 77. Kg3 Rb3+ 78. Kh4 Rb1 79. Kg3 Rb4 80. Kf3 Rb3+ 81. Ke2 Ke5 82. Nd3+ Kd4 83. Nf2 Rb2+ 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "7"]
[White "Marek, Grzegorz"]
[Black "Kazmierowski, Tymon"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1657"]
[BlackElo "1998"]
[PlyCount "86"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. Bb2 Nc6 4. e3 Nf6 5. Bb5 Bd7 6. 0-0 e6 7. d4 a6 8. Be2 cxd4 9. Nxd4 Bd6 10. c4 0-0 11. cxd5 Nxd5 12. Nc3 Nxc3 13. Bxc3 Qc7 14. h3 e5 15. Nxc6 Bxc6 16. Bb2 Rfd8 17. Qc2 Qe7 18. Rac1 Rac8 19. Qb1 Qg5 20. Bg4 g6 21. e4 Rc7 22. Bf3 Rcd7 23. a3 Bc7 24. Rcd1 Bb6 25. Rxd7 Rxd7 26. Rd1 Qg3 27. Kh1 Bxf2 28. Bg4 Rxd1+ 29. Bxd1 Bd7 30. Bf3 Bxh3 31. Bxe5 Bxg2+ 32. Bxg2 Qxe5 33. Qd1 Bc5 34. b4 Bd6 35. Kg1 Kg7 36. Qd5 Qxd5 37. exd5 Kf6 38. Kf2 Ke5 39. Ke3 f5 40. Kd3 g5 41. Kc4 b6 42. a4 g4 43. Kd3 Bxb4 0-1

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "3"]
[White "Marek, Grzegorz"]
[Black "Klim, Filip"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1657"]
[BlackElo "2083"]
[PlyCount "168"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 e4 6. d4 exd3 7. Bxd3 Be5 8. c3 d5 9. Nf3 Bg4 10. Qc2 Bxf3 11. gxf3 a6 12. 0-0-0 Qe7 13. Nb1 0-0-0 14. f4 Bd6 15. Rhg1 d4 16. exd4 Bxf4+ 17. Nd2 g6 18. h3 Nd5 19. Kb1 Qh4 20. Ne4 Qxh3 21. a3 Nde7 22. Qe2 Qe6 23. Bc4 Nd5 24. Bxa6 Na5 25. Nc5 Qxe2 26. Bxe2 b6 27. Nd3 Nxb3 28. c4 Nd2+ 29. Rxd2 Bxd2 30. cxd5 Rxd5 31. Kc2 Bh6 32. Ne5 Rf8 33. Bc4 Rd6 34. Kb3 Bg7 35. Nxf7 Rf6 36. Ba6+ Kb8 37. Ne5 Ka7 38. Bc4 Rxf2 39. Nc6+ Kb7 40. Bd5 R8f5 41. Ne5+ Ka6 42. Be4 R5f4 43. Re1 Rh4 44. Nd3 Rh3 45. Bc3 Rf8 46. Nb4+ Ka7 47. Nc6+ Kb7 48. Nd8+ Kc8 49. Ne6 Rf7 50. Nxg7 Rxg7 51. Bc6 Rg8 52. Bd5 Rxc3+ 53. Kxc3 Rd8 54. Bc6 h5 55. Rg1 Rg8 56. Bf3 h4 57. Rg5 Kd8 58. Be4 h3 59. Rxg6 Rh8 60. Rg1 h2 61. Rh1 c5 62. dxc5 bxc5 63. a4 Rh4 64. Kd3 Kc7 65. Ke3 Kb6 66. Bf3 Rxa4 67. Rxh2 Rd4 68. Be2 Kc6 69. Bf3+ Kb6 70. Rh6+ Kb5 71. Be2+ Kb4 72. Rb6+ Kc3 73. Rb1 Rh4 74. Rc1+ Kb4 75. Kd2 Rd4+ 76. Kc2 c4 77. Rb1+ Kc5 78. Rf1 Rh4 79. Rf2 Kd4 80. Kd2 c3+ 81. Kc2 Ke3 82. Rg2 Rf4 83. Kxc3 Rf2 84. Rxf2 Kxf2 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "1"]
[White "Marek, Grzegorz"]
[Black "Paszkowski, Krystian"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1657"]
[BlackElo "1992"]
[PlyCount "81"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N5c3 Nf6 8. Bd3 Be7 9. 0-0 0-0 10. Nd5 Rc8 11. Nbc3 Bxd5 12. exd5 Nb8 13. Be3 b6 14. b4 a6 15. a4 Qc7 16. h3 Nfd7 17. Qg4 Kh8 18. Rfc1 Qd8 19. a5 bxa5 20. Rxa5 g6 21. Qd1 f5 22. f3 Bf6 23. Qd2 Qe7 24. Ne2 Qf7 25. c5 Qxd5 26. c6 Qe6 27. cxd7 Qxd7 28. Ra2 Rxc1+ 29. Qxc1 Nc6 30. Bd2 Rb8 31. Qb1 d5 32. Rxa6 e4 33. Bc2 Bg7 34. Ba4 Qb7 35. Rxc6 Qa7+ 36. Kh1 Qxa4 37. Qc1 Qa8 38. Bc3 d4 39. Bxd4 Bxd4 40. Nxd4 exf3 41. Nxf3 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "8"]
[White "Sliz, Karol"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1672"]
[BlackElo "1657"]
[PlyCount "93"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bc5 7. Bf4 0-0 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. 0-0-0 a6 12. Nd4 Ne7 13. Qg3 b5 14. e5 Ne8 15. Ne4 Bb7 16. Bd3 f5 17. exf6 Nxf6 18. Nxe6 dxe6 19. Nxf6+ Rxf6 20. Bxh7+ Kxh7 21. Rxd8 Rxd8 22. Qc7 Nc6 23. Qxb7 Nd4 24. Qe4+ Kg8 25. c3 Nf5 26. Rd1 Rdf8 27. f4 Nh6 28. g3 Kh8 29. Rd6 Re8 30. Rxa6 Ng4 31. Qe2 Nh6 32. Qxb5 Rd8 33. Qb7 Rf7 34. Qe4 Rfd7 35. Ra8 Rd1+ 36. Kc2 R1d2+ 37. Kb3 Rxa8 38. Qxa8+ Ng8 39. Qe4 Rd6 40. a4 Nf6 41. Qa8+ Kh7 42. a5 Nd5 43. a6 Rb6+ 44. Kc2 Ne3+ 45. Kc1 Nd5 46. a7 Ra6 47. Qb7 1-0

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.21"]
[Round "9"]
[White "Krygiel, Konrad"]
[Black "Marek, Grzegorz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1603"]
[BlackElo "1478"]
[PlyCount "162"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 Nf6 5. e5 Ng4 6. h3 Nh6 7. Bb5 Qc7 8. Bxc6 Qxc6 9. Qe2 Be7 10. Nc3 a6 11. Qe4 Qxe4+ 12. Nxe4 b6 13. Ng3 Bb7 14. 0-0-0 0-0 15. Kb1 d5 16. d4 a5 17. Ne2 Ba6 18. Nc1 a4 19. a3 Rfc8 20. Na2 Be2 21. Rd2 Bxf3 22. gxf3 axb3 23. cxb3 cxd4 24. b4 Nf5 25. Nc1 Bg5 26. Rd3 Bxc1 27. Rxc1 Rc4 28. Rcd1 Kf8 29. R1d2 Ke7 30. f4 h5 31. Rd1 Kd7 32. R1d2 Kc6 33. Rd1 Kb5 34. R1d2 Kc6 35. Rd1 Kd7 36. R1d2 Ke7 37. Rd1 Kf8 38. R1d2 Kg8 39. Rd1 Kh7 40. Ka2 Rxb4 41. Bxd4 b5 42. Be3 Rba4 43. Kb2 b4 44. axb4 Rxb4+ 45. Rb3 Rxb3+ 46. Kxb3 Rc8 47. Kb2 Rc4 48. Rd3 Nxe3 49. fxe3 Kg6 50. Ra3 Rc7 51. Ra1 Kf5 52. Rg1 g6 53. h4 Ke4 54. Rg3 Rc6 55. Rh3 Rc4 56. Rg3 d4 57. exd4 Rxd4 58. Ra3 Kxf4 59. Ra7 Kxe5 60. Rxf7 Rxh4 61. Kc3 Kd5 62. Kd3 g5 63. Ke3 Rh3+ 64. Kf2 Ke4 65. Kg2 g4 66. Ra7 e5 67. Ra4+ Kf5 68. Ra8 Kf4 69. Ra4+ e4 70. Ra8 Rd3 71. Rf8+ Ke3 72. Rh8 Rd5 73. Kg3 Ke2 74. Re8 e3 75. Kf4 Rd4+ 76. Kg3 Kd2 77. Ra8 e2 78. Ra2+ Ke3 79. Ra1 Rd1 80. Ra3+ Rd3 81. Ra1 Kd2+ 0-1

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.19"]
[Round "7"]
[White "Pieczulis, Blazej"]
[Black "Marek, Grzegorz"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1720"]
[BlackElo "1478"]
[PlyCount "108"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. f3 Nc6 5. d5 Ne5 6. e4 d6 7. f4 Ng6 8. Nf3 e5 9. f5 Ne7 10. Be3 g6 11. Qc2 Bg7 12. h3 h5 13. 0-0-0 Qd7 14. fxg6 Nxg6 15. g3 0-0-0 16. Be2 Kb8 17. Rdf1 Rdf8 18. Bg5 Bc8 19. Nxe5 Nxe5 20. Bxf6 Bxf6 21. Rxf6 Rfg8 22. Rf5 Qe7 23. Rf2 Rxg3 24. h4 Bg4 25. Nb5 Bxe2 26. Qxe2 Nd3+ 27. Kd2 Nxf2 28. Qxf2 Rhg8 29. Qf5 Rg2+ 30. Kc1 Qe5 31. Qxe5 dxe5 32. d6 Rg1+ 33. Rxg1 Rxg1+ 34. Kd2 cxd6 35. Nxd6 Rg4 36. Nxf7 Rxe4 37. Kd3 Rd4+ 38. Kc3 Rxh4 39. Nxe5 Rh1 40. Kd4 h4 41. Ng4 h3 42. Nf2 Rb1 43. Nxh3 Rxb2 44. a4 Ra2 45. Nf4 Rxa4 46. Kc3 b5 47. Nd3 Rxc4+ 48. Kb3 Rh4 49. Nc5 a5 50. Ne6 Rh3+ 51. Kb2 Kb7 52. Nc5+ Kc6 53. Ne4 Kd5 54. Nc3+ Rxc3 0-1

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.18"]
[Round "6"]
[White "Sola, Wojciech"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1780"]
[BlackElo "1478"]
[PlyCount "59"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 b6 2. d4 Nf6 3. Nc3 Bb7 4. Nf3 e6 5. Bg5 Be7 6. e3 d6 7. Bd3 h6 8. Bh4 g5 9. Bg3 g4 10. Nh4 Rg8 11. h3 Nh5 12. hxg4 Nxg3 13. fxg3 Nd7 14. Be4 Bxe4 15. Nxe4 Bg5 16. Qf3 Qc8 17. 0-0 Rg7 18. Kh2 Rb8 19. Rf2 Qb7 20. Re1 Ke7 21. b3 Qa8 22. Nc3 Nf6 23. Rff1 Bxh4 24. gxh4 Nxg4+ 25. Kh3 Qxf3+ 26. gxf3 Nf6 27. Rg1 Rbg8 28. Rxg7 Rxg7 29. Kh2 a6 30. Ne4 1/2-1/2

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.17"]
[Round "5"]
[White "Marek, Grzegorz"]
[Black "Markiewicz, Czeslaw"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1478"]
[BlackElo "1750"]
[PlyCount "78"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 d5 4. Nf3 Be7 5. Be2 0-0 6. 0-0 b6 7. d4 Bb7 8. Nbd2 Nbd7 9. Rc1 a5 10. c4 c5 11. Qc2 Ne4 12. Nxe4 dxe4 13. Ne5 cxd4 14. Nxd7 Qxd7 15. Bxd4 Qc7 16. Rfd1 e5 17. Bb2 f5 18. Qc3 Bd6 19. c5 bxc5 20. Ba3 Rac8 21. Rxd6 Qxd6 22. Bxc5 Qf6 23. Bc4+ Kh8 24. Bxf8 Rxf8 25. Qxa5 f4 26. Qa7 Bc8 27. Bf1 h5 28. Qc5 h4 29. Qxc8 Rxc8 30. Rxc8+ Kh7 31. Rc3 h3 32. g3 fxg3 33. hxg3 h2+ 34. Kxh2 Qxf2+ 35. Bg2 Qd2 36. Rc4 Qxa2 37. Rxe4 Qxb3 38. Rxe5 Kg6 39. e4 Qe3 1/2-1/2

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.16"]
[Round "4"]
[White "Gbiorczyk, Mikolaj1111"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1781"]
[BlackElo "1478"]
[PlyCount "59"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. Nf3 e6 6. Bg5 Be7 7. e3 0-0 8. Be2 Nbd7 9. 0-0 Rc8 10. Qa4 a5 11. Rac1 c5 12. Ne5 dxc4 13. Rfd1 Nxe5 14. dxe5 Nd5 15. Bf4 Nxc3 16. Rxc3 Bc6 17. Rxd8 Bxa4 18. Rxc8 Rxc8 19. Bxc4 Rd8 20. Rd3 Bc6 21. f3 b5 22. Rxd8+ Bxd8 23. Be2 Bb6 24. Kf1 Kf8 25. Ke1 h6 26. e4 c4 27. Kd2 Bd4 28. Kc2 a4 29. h3 Ke7 30. g4 1/2-1/2

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.15"]
[Round "3"]
[White "Marek, Grzegorz"]
[Black "Michalik, Marek"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1478"]
[BlackElo "1742"]
[PlyCount "91"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Bg4 7. h3 Bh5 8. Be2 Be7 9. Nc3 0-0 10. 0-0 Bf6 11. Be3 Re8 12. Rc1 Nc6 13. b3 Bg6 14. a4 d5 15. c5 Nc8 16. Bf4 a6 17. Qd2 h6 18. Rfe1 N8e7 19. Bd3 Bxd3 20. Qxd3 Nb4 21. Qd2 Qd7 22. Be5 Qf5 23. Bxf6 Qxf6 24. Nb5 axb5 25. Qxb4 bxa4 26. bxa4 Nf5 27. Rxe8+ Rxe8 28. Qxb7 Nxd4 29. Nxd4 Qxd4 30. Qxc7 Qxa4 31. c6 Qa3 32. Rb1 Qe7 33. Qf4 g5 34. Qg3 d4 35. c7 d3 36. Rb8 d2 37. Rxe8+ Qxe8 38. Qd6 Qe1+ 39. Kh2 d1Q 40. c8Q+ Kh7 41. Qf5+ Kg8 42. Qb8+ Kg7 43. Qb2+ Kg8 44. Qc8+ Kh7 45. Qch8+ Kg6 46. Qbf6+ 1-0

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.14"]
[Round "2"]
[White "Marek, Grzegorz"]
[Black "Milczarek, Robert"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1478"]
[BlackElo "1653"]
[PlyCount "32"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 g6 4. d4 exd4 5. exd4 Bg7 6. Nf3 Nge7 7. Be2 0-0 8. 0-0 d5 9. Re1 Bg4 10. h3 Be6 11. Nbd2 Nf5 12. c3 Nd6 13. Qc2 Qd7 14. Ba3 Rfe8 15. Bd3 h6 16. Re3 Bf5 1/2-1/2

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.21"]
[Round "9"]
[White "Wojnicz, Bartosz"]
[Black "Marek, Grzegorz"]
[Result "0-1"]
[ECO "E12"]
[BlackElo "1350"]
[PlyCount "22"]
[EventDate "2021.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Bf4 Bb7 4. e3 e6 5. Nf3 Bb4+ 6. Nbd2 0-0 7. Be2 Be7 8. 0-0 Nh5 9. Bg5 Bxg5 10. Nxg5 Qxg5 11. Bxh5 Qxg2# 0-1

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.20"]
[Round "8"]
[White "Marek, Grzegorz"]
[Black "Daszkiewicz, Adrian"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1350"]
[BlackElo "1564"]
[PlyCount "121"]
[EventDate "2021.11.15"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. a4 0-0 9. Bb3 Nbd7 10. Be3 Nc5 11. f3 e5 12. Nde2 Nxb3 13. cxb3 Be6 14. b4 d5 15. exd5 Nxd5 16. Bc5 Bxc5+ 17. bxc5 Qa5 18. Nxd5 Qxc5+ 19. Kh1 Qxd5 20. Qxd5 Bxd5 21. Nc3 Bc6 22. Rfd1 Rfd8 23. Kg1 Kf8 24. Kf2 Ke7 25. Ke3 Rxd1 26. Rxd1 Rd8 27. Rxd8 Kxd8 28. a5 Ke7 29. b4 Ke6 30. g3 f5 31. f4 h6 32. h4 Kf6 33. Nd1 g5 34. hxg5+ hxg5 35. fxg5+ Kxg5 36. Nf2 Bb5 37. Kf3 Bc6+ 38. Ke3 f4+ 39. gxf4+ exf4+ 40. Ke2 Kh4 41. Ke1 Kg3 42. Nd3 f3 43. Nf2 Kg2 44. Nd3 Be4 45. Nf2 Bf5 46. Nd1 Bd3 47. Nf2 Be2 48. Ne4 Bb5 49. Nf2 Kg3 50. Ne4+ Kf4 51. Nd6 Ke3 52. Nf5+ Kd3 53. Nd6 Bc6 54. Kf2 Kc3 55. b5 axb5 56. Nf5 b4 57. Ne7 b3 58. Nxc6 b2 59. a6 bxa6 60. Ne5 b1Q 61. Nxf3 0-1

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.19"]
[Round "7"]
[White "Szymczyk, Antoni"]
[Black "Marek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1424"]
[BlackElo "1350"]
[PlyCount "110"]
[EventDate "2021.11.15"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. Bd3 Be7 10. 0-0 0-0 11. c4 a6 12. Nc3 f5 13. f3 Bg5 14. Qc2 g6 15. f4 Bf6 16. fxe5 dxe5 17. c5 e4 18. Bc4 Kg7 19. Be3 Nd7 20. b4 Ne5 21. Be2 h5 22. a4 Ng4 23. Bxg4 hxg4 24. b5 Rh8 25. Qd2 g5 26. Bd4 Bxd4+ 27. Qxd4+ Kg6 28. c6 Rh7 29. d6 axb5 30. axb5 Rxa1 31. Rxa1 e3 32. d7 Qc7 33. g3 Bxd7 34. cxd7 Rxd7 35. Qxe3 Rd6 36. Rd1 Rf6 37. Nd5 Qc2 38. Qd3 Qc5+ 39. Qd4 Qxd4+ 40. Rxd4 Re6 41. Kf2 Re5 42. Nc7 Rc5 43. Rd6+ Kf7 44. Rd7+ Kg6 45. Ke3 Rc2 46. Nd5 Rc5 47. Rxb7 Rxd5 48. b6 Rb5 49. Rb8 Kg7 50. b7 Kh7 51. Kd4 f4 52. Kc4 Rb2 53. Kc5 f3 54. Kc6 Rc2+ 55. Kd5 Rb2 1/2-1/2

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.18"]
[Round "6"]
[White "Marek, Grzegorz"]
[Black "Rzepka, Marcin"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1350"]
[BlackElo "1336"]
[PlyCount "65"]
[EventDate "2021.11.15"]
[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 e6 5. Nc3 Qc7 6. Be3 Nf6 7. Bd3 a6 8. 0-0 Bb4 9. f4 Bxc3 10. bxc3 d6 11. Qf3 0-0 12. Rae1 e5 13. Ne2 Ne7 14. fxe5 dxe5 15. Bg5 Ne8 16. Qg3 f6 17. Bd2 Qb6+ 18. Rf2 Qe6 19. Ref1 b5 20. Nc1 Nd6 21. Nb3 Nc4 22. h3 Nxd2 23. Nxd2 Ng6 24. c4 Nf4 25. cxb5 Nxd3 26. cxd3 axb5 27. Nb3 Rd8 28. Rxf6 Qe8 29. Rf8+ Qxf8 30. Rxf8+ Rxf8 31. Qxe5 Rxa2 32. Qxb5 Rff2 33. Qc4+ 1-0

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.18"]
[Round "5"]
[White "Marek, Grzegorz"]
[Black "Witkowski, Jedrzej"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1350"]
[PlyCount "159"]
[EventDate "2021.11.15"]
[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. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. Bd4 Qa5 11. Qe2 c5 12. Bf2 Nh6 13. 0-0-0 0-0 14. Nd5 fxe5 15. Nxe7+ Kh8 16. Nxc8 Raxc8 17. a3 exf4 18. Rxd7 Rf7 19. Qd2 Qb6 20. c3 Rxd7 21. Qxd7 Rd8 22. Qe7 Rb8 23. b4 Bxc3 24. Bxc5 Qf6 25. Qxf6+ Bxf6 26. Be2 a5 27. Kc2 axb4 28. axb4 Nf5 29. Kb3 Nd4+ 30. Bxd4 Bxd4 31. Kc4 Be3 32. b5 Kg7 33. Rd1 Rb7 34. Bf3 Rc7+ 35. Bc6 Kf6 36. Kd5 Ke7 37. Ra1 Ra7 38. Re1 Kd8 39. Kd6 Re7 40. Ra1 Ra7 41. Rd1 Re7 42. Rb1 Bb6 43. Rf1 Rf7 44. Rd1 Re7 45. Rd3 Re3 46. Rd5 Re7 47. Rd1 Be3 48. Ra1 Ra7 49. Rxa7 Bxa7 50. Ke6 Bd4 51. Kf7 g5 52. Ke6 g4 53. Kf5 g3 54. h4 Be3 55. h5 Ke7 56. Bf3 Kf7 57. Ke5 Ke7 58. Kd5 Kd7 59. Bg4+ Kd8 60. Kc6 Ke7 61. b6 Bxb6 62. Kxb6 Kf6 63. Kc5 Ke5 64. Bf3 Ke6 65. Kd4 Kf5 66. Kd5 Kf6 67. Ke4 Kg5 68. Ke5 h6 69. Ke6 Kh4 70. Kf7 Kg5 71. Ke6 Kh4 72. Kd5 Kg5 73. Kd4 Kf5 74. Kd3 Ke5 75. Bg4 Kd5 76. Bc8 Ke5 77. Ke2 Kf6 78. Kf3 Kg5 79. Bh3 Kh4 80. Kxf4 1-0

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.17"]
[Round "4"]
[White "Fojcik, Kacper"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1345"]
[BlackElo "1350"]
[PlyCount "115"]
[EventDate "2021.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 e6 5. c4 Bb4+ 6. Nbd2 0-0 7. a3 Be7 8. Bd3 Nh5 9. Bg3 g6 10. Qc2 d6 11. 0-0 Nxg3 12. hxg3 Nd7 13. b4 c5 14. Nb3 Rc8 15. dxc5 dxc5 16. b5 Qc7 17. Be4 Rcd8 18. Bxb7 Qxb7 19. Rad1 Qc7 20. Rd2 Ne5 21. Rfd1 Nxf3+ 22. gxf3 Rd6 23. Rxd6 Bxd6 24. f4 Rd8 25. Nd2 Be7 26. Nf3 Rxd1+ 27. Qxd1 Qd6 28. Qa4 f6 29. Qxa7 Bd8 30. Qa8 Kg7 31. Qb7+ Bc7 32. Kg2 h6 33. Qe4 g5 34. Nh2 Qd7 35. Nf3 Qd6 36. Qc2 Qd7 37. a4 Qd8 38. Qd2 Qe7 39. Qd3 Qe8 40. Nh2 Qe7 41. Nf1 Qd6 42. Qxd6 Bxd6 43. Nd2 Bc7 44. Nb3 Kg6 45. a5 bxa5 46. Nxc5 gxf4 47. Nxe6 fxe3 48. fxe3 Bb8 49. c5 Kf5 50. Nd4+ Ke4 51. b6 Kd5 52. c6 Kd6 53. c7 Bxc7 54. Nb5+ Kd7 55. bxc7 a4 56. Kf3 a3 57. Nxa3 Kxc7 58. Kf4 1-0

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.16"]
[Round "3"]
[White "Chmura, Eryk"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1343"]
[BlackElo "1350"]
[PlyCount "151"]
[EventDate "2021.11.15"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb5 Bd7 9. Nc3 e6 10. 0-0 Nb4 11. Bg5 Qb8 12. Qe2 a6 13. Bxd7+ Kxd7 14. exd6 Bxd6 15. Ne5+ Bxe5 16. dxe5 N4d5 17. Ne4 h6 18. Bh4 g5 19. Bg3 Ke7 20. Nd6 Nc8 21. Qf3 Rh7 22. Rac1 Na7 23. Rfd1 Nc6 24. Qh5 Qc7 25. Qe2 h5 26. h4 Rg8 27. Qc2 Rhg7 28. Nxb7 Qxb7 29. Qxc6 Qxc6 30. Rxc6 gxh4 31. Bxh4+ Kd7 32. Rd6+ Kc7 33. g3 Rg4 34. Rc1+ Kb8 35. Rd8+ Rxd8 36. Bxd8 Re4 37. Bf6 Nxf6 38. exf6 Re5 39. Rc4 Rb5 40. b4 Rf5 41. Rf4 Rb5 42. a4 Rg5 43. Kh2 Kc7 44. Kh3 Kd6 45. Kh4 Rd5 46. f3 Re5 47. Rd4+ Rd5 48. Rf4 e5 49. Rf5 Rd4+ 50. f4 Ke6 51. Rxe5+ Kxf6 52. Kxh5 Rxb4 53. Ra5 Rb6 54. g4 Kg7 55. g5 f6 56. g6 Rb1 57. f5 Rb4 58. Rxa6 Rf4 59. Ra7+ Kg8 60. g7 Kh7 61. g8Q+ Kxg8 62. Kg6 Rg4+ 63. Kxf6 Rc4 64. a5 Rc6+ 65. Kg5 Rc8 66. Kg6 Rc6+ 67. f6 Rc8 68. Rh7 Rc6 69. Rb7 Rc8 70. a6 Kh8 71. a7 Rg8+ 72. Kf5 Rg7 73. a8Q+ Rg8 74. Qxg8+ Kxg8 75. Kg6 Kh8 76. Rb8# 1-0

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.16"]
[Round "2"]
[White "Marek, Grzegorz"]
[Black "Turowski, Maciej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1350"]
[BlackElo "1540"]
[PlyCount "86"]
[EventDate "2021.11.15"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bc4 b5 7. Bb3 Bb7 8. 0-0 e6 9. Re1 Be7 10. Ng5 Bd5 11. Nxd5 Nxd5 12. Ne4 Qd8 13. Qg4 0-0 14. Ng5 Nf6 15. Qf3 Nd5 16. Nh3 Nc6 17. c3 Bf6 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Bf4 Rac8 21. a3 Na5 22. b4 Nc4 23. a4 a5 24. bxa5 b4 25. Bg5 Bxg5 26. Nxg5 b3 27. Nf3 b2 28. Rad1 Rfe8 29. Ne5 Na3 30. Rb1 Nxb1 31. Rxb1 f6 32. Nc6 Re2 33. Kf1 Rce8 34. Nb4 Re1+ 35. Rxe1 Rxe1+ 36. Kxe1 b1Q+ 37. Kd2 Qb3 38. a6 Qxa4 39. Ke3 Qb5 40. g3 c5 41. a7 cxd4+ 42. cxd4 Qa5 43. Nxd5 Qxd5 0-1

[Event "POL-ch U15 Qual"]
[Site "Jastrzebia Gora"]
[Date "2021.11.15"]
[Round "1"]
[White "Malinowski, Szymon"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1601"]
[BlackElo "1350"]
[PlyCount "47"]
[EventDate "2021.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Nbd2 e6 5. e3 h6 6. Bh4 Be7 7. c3 d6 8. Bg3 Nbd7 9. Bd3 c5 10. 0-0 0-0 11. Nc4 d5 12. Nce5 Nxe5 13. Nxe5 Nd7 14. f4 Nxe5 15. fxe5 Bg5 16. Bf4 f5 17. exf6 Rxf6 18. g3 Qe7 19. Qg4 Bc8 20. Be5 Bxe3+ 21. Kg2 Rxf1 22. Rxf1 Bg5 23. h4 Be3 24. Qg6 1-0

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "1.39"]
[White "Jendrowiak, Maciej"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "1382"]
[BlackElo "1313"]
[PlyCount "151"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. g3 Bg4 5. Ne5 Nbd7 6. Nxg4 Nxg4 7. Bg2 c6 8. 0-0 e6 9. e3 Ngf6 10. Nd2 Nb6 11. Qc2 Be7 12. Nxc4 Nxc4 13. Qxc4 0-0 14. b3 Qd6 15. a4 Qb4 16. Ba3 Qxc4 17. bxc4 Bxa3 18. Rxa3 Rfc8 19. Rb1 b6 20. a5 Rab8 21. axb6 Rxb6 22. Rba1 c5 23. Rxa7 cxd4 24. Ra8 Rcb8 25. Rxb8+ Rxb8 26. exd4 Kf8 27. Ra8 Rxa8 28. Bxa8 Ke7 29. Kf1 Nd7 30. Be4 f5 31. Bd3 g6 32. f4 Nf6 33. Ke2 h6 34. Kf3 h5 35. h3 Kd6 36. Ke3 Kc6 37. Kd2 Kd6 38. Kc3 h4 39. gxh4 Nh5 40. c5+ Kc6 41. Bf1 Nxf4 42. Kd2 e5 43. Ke3 Ne6 44. dxe5 Kxc5 45. Bg2 Nf8 46. h5 Kb6 47. Bd5 Kc7 48. Kf4 Kd7 49. hxg6 Nxg6+ 50. Kxf5 Ne7+ 51. Ke4 Ke8 52. e6 Kf8 53. Ke5 Kg7 54. Be4 Nc8 55. h4 Ne7 56. h5 Ng8 57. Kd6 Kh6 58. Bg6 Kg7 59. Bf7 Nf6 60. Ke7 Nd5+ 61. Kd8 Nf6 62. Bg6 Ng8 63. Bd3 Kh6 64. Ke8 Kg7 65. Bg6 Nf6+ 66. Ke7 Ng8+ 67. Kd6 Kh6 68. Ke5 Kg7 69. Kf5 Ne7+ 70. Kg5 Ng8 71. h6+ Nxh6 72. e7 Nf7+ 73. Kf5 Nh6+ 74. Ke6 Ng8 75. e8Q Kh8 76. Bf7 1-0

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "5.45"]
[White "Karut, Kacper"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1657"]
[BlackElo "1313"]
[PlyCount "89"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Nge2 d5 6. exd5 Nxd5 7. Nxd5 Qxd5 8. f3 c5 9. Bb5+ Bc6 10. Bxc6+ Nxc6 11. c3 0-0-0 12. Be3 h5 13. Qa4 Kb8 14. 0-0-0 cxd4 15. Nxd4 Bc5 16. Kb1 Bxd4 17. Bxd4 Qf5+ 18. Ka1 e5 19. Be3 Rd3 20. Rxd3 Qxd3 21. Re1 Rd8 22. Qe4 Kc7 23. Qxd3 Rxd3 24. Kb1 Ne7 25. Kc2 Rd7 26. f4 e4 27. Bd4 f5 28. Bxg7 Ng6 29. Bh6 Kc6 30. Bg5 Nf8 31. Rd1 Rxd1 32. Kxd1 Kd5 33. Ke2 Ne6 34. g3 Nxg5 35. fxg5 Ke6 36. Ke3 Ke5 37. b3 a5 38. c4 Ke6 39. a3 Ke5 40. b4 axb4 41. axb4 Ke6 42. c5 bxc5 43. bxc5 Kd5 44. g6 Kxc5 45. g7 1-0

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "9.63"]
[White "Lochinski, Pawel"]
[Black "Marek, Grzegorz"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1426"]
[BlackElo "1313"]
[PlyCount "37"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. Bf4 Nf6 5. e3 a6 6. Nf3 d5 7. cxd5 Nxd5 8. Bg3 c5 9. Bd3 Nc6 10. e4 Ndb4 11. d5 exd5 12. exd5 Nxd5 13. Qb3 Na5 14. Qa4+ b5 15. Nxb5 Nc6 16. Qe4+ Qe7 17. Nd6+ Kd7 18. Nxb7 Ra7 19. Ne5+ 1-0

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "2.27"]
[White "Marek, Grzegorz"]
[Black "Cieply, Krzysztof"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1313"]
[BlackElo "1573"]
[PlyCount "164"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e5 7. Nxc6 bxc6 8. Bg5 Be7 9. 0-0 0-0 10. Bb3 Be6 11. f4 exf4 12. Bxf4 d5 13. exd5 cxd5 14. h3 d4 15. Ne2 Bc5 16. Kh1 Ne4 17. Ng3 Nxg3+ 18. Bxg3 Bxb3 19. axb3 Qg5 20. Qd3 Bb6 21. Rf5 Qg6 22. Raf1 f6 23. R5f3 Qxd3 24. Rxd3 Rfe8 25. Rfd1 Re2 26. R1d2 Rae8 27. b4 R8e3 28. Bf2 Rxd3 29. Rxe2 Rd1+ 30. Kh2 Kf7 31. Kg3 d3 32. cxd3 Rxd3+ 33. Kf4 Bxf2 34. Rxf2 Rd4+ 35. Ke3 Rxb4 36. Rc2 Rb7 37. Ke4 Ke7 38. Ke3 Rd7 39. Kf3 g6 40. Ke2 Ke6 41. Rc6+ Kf5 42. Rc5+ Kf4 43. Rc3 f5 44. g3+ Kg5 45. Rc4 h6 46. Ra4 Rb7 47. h4+ Kh5 48. b4 Rd7 49. b5 g5 50. hxg5 hxg5 51. Ke3 Rd5 52. Rxa7 Rxb5 53. Ra4 Rb3+ 54. Kf2 Rd3 55. Kg2 Re3 56. Kf2 Re4 57. Ra5 Kg4 58. Ra3 Rb4 59. Kg2 Rb2+ 60. Kg1 Kh3 61. Kf1 g4 62. Ra5 Kxg3 63. Rxf5 Rb3 64. Rc5 Rb1+ 65. Ke2 Kg2 66. Rf5 g3 67. Rh5 Kg1 68. Rg5 g2 69. Rh5 Rb8 70. Re5 Rh8 71. Rg5 Kh2 72. Kf2 g1Q+ 73. Rxg1 Rf8+ 74. Ke2 Kxg1 75. Ke3 Kg2 76. Ke4 Kg3 77. Ke5 Kg4 78. Ke6 Kg5 79. Ke7 Rf6 80. Kd7 Kf5 81. Ke7 Ke5 82. Kd7 Re6 0-1

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "6.57"]
[White "Marek, Grzegorz"]
[Black "Mossakowski, Jakub"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1313"]
[BlackElo "1302"]
[PlyCount "96"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 Nbd7 9. f4 Nc5 10. f5 e5 11. Nde2 Nfxe4 12. Bxf7+ Kf8 13. Bd5 Nf6 14. Ng3 Qb6 15. Kh1 h5 16. Qf3 Qb4 17. Be3 Rb8 18. a3 Qg4 19. b4 Qxf3 20. Rxf3 Ncd7 21. h3 b6 22. a4 Bb7 23. Bxb7 Rxb7 24. Rd1 Rc7 25. Bg1 Rc4 26. b5 a5 27. Rfd3 Kf7 28. Nge2 Rhc8 29. Be3 Nc5 30. Bxc5 R8xc5 31. Kg1 h4 32. Kf2 Rxc3 33. Nxc3 Rxc3 34. Rxc3 Ne4+ 35. Ke3 Nxc3 36. Ra1 d5 37. g4 hxg3 38. Kf3 Bf6 39. Kxg3 e4 40. Ra3 e3 41. Kf3 e2 42. Ra1 Bh4 43. Kf4 Nd1 44. Ke5 e1Q+ 45. Kd6 Qc3 46. Rxd1 Qc5+ 47. Kd7 Bg3 48. f6 Qc7# 0-1

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "7.62"]
[White "Marek, Grzegorz"]
[Black "Oklinski, Franciszek"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1313"]
[BlackElo "1173"]
[PlyCount "42"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. exd5 cxd5 10. Bd2 0-0 11. 0-0 c5 12. Bg5 c4 13. Bxf6 Qxf6 14. Nxd5 Qg5 15. Bxc4 Bb7 16. Qf3 Rac8 17. Qb3 Rxc4 18. Ne3 Re4 19. g3 Rfe8 20. Ng2 Bd5 21. Qd3 Bc4 0-1

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "4.33"]
[White "Marek, Grzegorz"]
[Black "Trzebinski, Patryk"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1313"]
[BlackElo "1837"]
[PlyCount "142"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. c4 Nb6 6. c5 N6d7 7. Bc4 e6 8. 0-0 Be7 9. Nc3 0-0 10. h3 Bxf3 11. Qxf3 Nc6 12. Be3 e5 13. dxe5 Ncxe5 14. Qe2 c6 15. Rad1 Qa5 16. a3 Nxc4 17. Qxc4 Nxc5 18. b4 Qa6 19. Qxa6 Nxa6 20. Rd7 Bf6 21. Ne4 Bb2 22. Rxb7 f5 23. Nc5 Nxc5 24. Bxc5 Rf7 25. Rxf7 Kxf7 26. Rd1 Bxa3 27. Rd7+ Ke6 28. Rd6+ Ke5 29. Rxc6 a5 30. b5 Bxc5 31. Rxc5+ Kd6 32. Rc1 Rb8 33. Kf1 Rxb5 34. Ke2 a4 35. f4 Kd5 36. g4 fxg4 37. hxg4 Rb2+ 38. Kd3 a3 39. g5 a2 40. Ra1 Rh2 41. Re1 Kc5 42. Kc3 Rf2 43. Kb3 Kd4 44. f5 Rxf5 45. g6 h6 46. Kxa2 Rf6 47. Kb2 Rxg6 48. Kc2 Rg2+ 49. Kd1 h5 50. Rh1 g6 51. Ke1 Ke3 52. Kf1 Kf3 53. Rh4 Kg3 54. Ra4 Rf2+ 55. Kg1 h4 56. Ra5 Rf4 57. Ra3+ Kg4 58. Kg2 h3+ 59. Kh2 Rf2+ 60. Kg1 Rf3 61. Ra6 g5 62. Ra5 Rf5 63. Ra3 Rf3 64. Ra5 Kh4 65. Ra8 g4 66. Ra1 Kg3 67. Kh1 Rd3 68. Kg1 Kf3 69. Ra8 Rd1+ 70. Kh2 g3+ 71. Kxh3 Rh1# 0-1

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "8.56"]
[White "Pawlowski, Kamil"]
[Black "Marek, Grzegorz"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1162"]
[BlackElo "1313"]
[PlyCount "102"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 Nf6 4. Qe2 e6 5. f4 d5 6. e5 Ne4 7. Nd2 Nxd2 8. Bxd2 c5 9. c3 Nc6 10. Nf3 cxd4 11. cxd4 a6 12. Rc1 Bb4 13. Ng5 Bxd2+ 14. Qxd2 Nxd4 15. Bxh7 Nc6 16. Bd3 b5 17. Qf2 Nxe5 18. Bb1 Nc4 19. b3 Nd6 20. Qd4 Qf6 21. Qxf6 gxf6 22. Nh7 f5 23. Ng5 Kd7 24. h4 f6 25. Nf3 Rag8 26. Rc2 Rg4 27. Rh3 Ne4 28. Nh2 Rgxh4 29. Nf3 Rxh3 30. gxh3 Rxh3 31. Ng1 Rh4 32. Rg2 Rg4 33. Rxg4 fxg4 34. Bxe4 dxe4 35. Kf2 Kd6 36. Ke3 a5 37. Ne2 f5 38. Nd4 b4 39. Nb5+ Kc5 40. Nd4 Bd5 41. Ne2 Bc6 42. Nd4 Kd5 43. Ne2 Bb5 44. Nc1 e5 45. fxe5 Kxe5 46. Ne2 Bxe2 47. Kxe2 g3 48. Kf1 e3 49. Kg2 e2 50. Kf3 e1Q 51. a4 Qf2# 0-1

[Event "POL-chT U20 2nd League"]
[Site "Sypniewo"]
[Date "2020.??.??"]
[Round "3.51"]
[White "Slowik, Jakub"]
[Black "Marek, Grzegorz"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1251"]
[BlackElo "1313"]
[PlyCount "52"]
[EventDate "2020.10.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. e4 Bb4 5. d5 exd5 6. cxd5 Nf6 7. Bd3 0-0 8. Nf3 Re8 9. Bg5 h6 10. Bxf6 Qxf6 11. Qd2 Bxd5 12. 0-0 Bxc3 13. bxc3 Bxe4 14. Rfe1 d5 15. Re2 Re6 16. Nd4 Re7 17. Rae1 c5 18. Nc2 Nc6 19. Bxe4 Rxe4 20. Rxe4 dxe4 21. Rxe4 Rd8 22. Qe1 Kh7 23. Na3 Qd6 24. Nb5 Qd2 25. a4 Qc2 26. Qf1 Qxe4 0-1

