[Event "Warsaw Szansa op"]
[Site "Warsaw"]
[Date "2022.09.17"]
[Round "1"]
[White "Grzelak, Piotr"]
[Black "Lapaj, Mateusz"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1580"]
[BlackElo "2216"]
[PlyCount "92"]
[EventDate "2022.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 d6 8. d4 Nbd7 9. d5 e5 10. dxe6 fxe6 11. Nc3 Qe7 12. Qc2 a6 13. Rad1 Rae8 14. h3 Kh8 15. Nd4 Bxg2 16. Kxg2 e5 17. Nc6 Qf7 18. Nb4 Nc5 19. Nbd5 Ne6 20. Nxf6 Qxf6 21. Nd5 Qf7 22. b4 Qd7 23. Bc1 Nd4 24. Qe4 Rf7 25. Be3 Ref8 26. Bxd4 exd4 27. e3 dxe3 28. Nxe3 Re8 29. Qg4 Ref8 30. Qe4 Re8 31. Qg4 Qc6+ 32. Nd5 Rfe7 33. b5 axb5 34. cxb5 Qb7 35. Qc4 Qc6 36. Qg4 Qb7 37. Qc4 Rd7 38. Rfe1 Rf8 39. a4 Rdf7 40. Re2 h5 41. Qe4 Rf5 42. Kg1 Qb8 43. Ne7 Kh7 44. Nxf5 Rxf5 45. Rd5 Rxd5 46. Qxd5 Qa7 1/2-1/2

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.19"]
[Round "7"]
[White "Stachowiak, Bruno"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1462"]
[BlackElo "1684"]
[PlyCount "12"]
[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. Nf3 d5 2. e3 Bf5 3. d4 Nf6 4. c4 e6 5. Nc3 c6 6. Ne5 Nbd7 1-0

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.18"]
[Round "6"]
[White "Grzelak, Piotr"]
[Black "Kopestynski, Michal"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1684"]
[BlackElo "1554"]
[PlyCount "25"]
[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. c4 Nc6 3. Nc3 g6 4. Nge2 Bg7 5. g3 e5 6. Bg2 Nge7 7. d3 0-0 8. 0-0 d6 9. Nd5 Nxd5 10. exd5 Nd4 11. Nxd4 exd4 12. Re1 Bf5 13. Be4 1/2-1/2

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.17"]
[Round "5"]
[White "Jankowski, Franciszek"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1483"]
[BlackElo "1684"]
[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. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 0-0 8. Bd3 h6 9. Bh4 Re8 10. Nge2 Bg4 11. f3 Be6 12. Bf2 Nbd7 13. 0-0 c5 14. Qd2 Rc8 15. Rae1 a6 16. e4 dxe4 17. fxe4 cxd4 18. Nxd4 Ne5 19. Be2 Bb4 20. Qc2 Nfg4 21. Nxe6 Rxe6 22. Rd1 Qg5 23. Bxg4 Nxg4 24. Rd5 Re5 25. Rxe5 Qxe5 26. Bg3 Qc5+ 27. Bf2 Nxf2 28. Qxf2 Qxf2+ 29. Kxf2 Bxc3 30. bxc3 Rxc3 31. Rb1 Rc2+ 32. Kf3 b5 33. a4 bxa4 34. Rb6 a3 35. Rxa6 a2 36. h4 Kf8 37. Ra7 g6 38. g3 Ke8 39. Kf4 Kd8 40. g4 Kc8 41. h5 g5+ 42. Ke5 Kb8 43. Ra3 Rf2 44. Ra7 Rc2 45. Ra3 Rf2 46. Kd6 0-1

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.16"]
[Round "4"]
[White "Grzelak, Piotr"]
[Black "Wilgosz, Szczepan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1684"]
[BlackElo "1530"]
[PlyCount "87"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. a4 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Be3 Bb4+ 12. Kf2 Nc6 13. Bd3 Rd8 14. Be4 Qc4 15. Qe2 Qxe2+ 16. Kxe2 Bxb3 17. Bxc6+ bxc6 18. cxb3 Ke7 19. Rac1 Rc8 20. Bc5+ Bxc5 21. Rxc5 f6 22. Rd1 Rhd8 23. Rxd8 Kxd8 24. Kd3 Kc7 25. Kc2 Kb6 26. Rc3 Rd8 27. b4 Rd4 28. Kb3 Rd2 29. Rc2 Rxc2 30. Kxc2 c5 31. Kc3 cxb4+ 32. Kxb4 f5 33. Kc4 Ka5 34. b3 e4 35. fxe4 fxe4 36. g4 e3 37. Kd3 e2 38. Kxe2 Kb4 39. h4 Kxb3 40. a5 Kb4 41. Kd3 Kxa5 42. Kc4 Kb6 43. Kd5 a5 44. Ke6 0-1

[Event "Polanica Zdroj op-D 58th"]
[Site "Polanica Zdroj"]
[Date "2022.08.15"]
[Round "3"]
[White "Kicinski, Igor"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1302"]
[BlackElo "1684"]
[PlyCount "118"]
[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 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Ng3 Nf6 7. Be2 Bd6 8. c3 Nbd7 9. b4 a6 10. a4 0-0 11. 0-0 Re8 12. Bb2 e5 13. dxe5 Nxe5 14. Nf5 Qd7 15. N3d4 Be4 16. Nxd6 Qxd6 17. b5 Rad8 18. Ba3 Qd5 19. f3 Bg6 20. Qb3 Qxb3 21. Nxb3 axb5 22. axb5 Nd5 23. Rfc1 Bd3 24. Bxd3 Nxd3 25. Rc2 N3f4 26. Nd4 Nxc3 27. Rxc3 Rxd4 28. Rc2 h6 29. Bc5 Rd5 30. b6 c6 31. Bf2 Rb5 32. Bg3 Ne2+ 33. Kf2 Nxg3 34. Kxg3 Rxb6 35. Ra7 Rb4 36. Rd2 Kf8 37. Rd7 Rb8 38. Rc7 g6 39. Kf2 Kg7 40. h3 Kf6 41. g4 Ke6 42. Kg3 Rb3 43. Kf4 Rb4+ 44. Kg3 f5 45. Rh7 f4+ 46. Kh4 c5 47. Rxh6 Kf6 48. Ra1 c4 49. Rd1 Rb6 50. Rd4 c3 51. g5+ Ke5 52. Re4+ Kd5 53. Rh7 c2 54. Rhe7 c1Q 55. R7e5+ Kc6 56. Re6+ Kb5 57. R6e5+ Qc5 58. Re7 Qc1 59. R7e5+ Qc5 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.28"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1451"]
[BlackElo "1684"]
[PlyCount "69"]
[EventDate "2022.06.25"]
[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. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 a5 11. a4 0-0 12. Kg2 Qd8 13. Bd3 f6 14. Ne2 b6 15. Qc2 Ne7 16. Bxh7+ Kh8 17. Bd3 Ba6 18. Bxa6 Rxa6 19. Bd2 Bxd2 20. Qxd2 Nf5 21. Nc3 Qe8 22. Nb5 Qg6 23. Rac1 Raa8 24. Rc7 Rac8 25. Rhc1 Rxc7 26. Rxc7 fxe5 27. fxe5 Nb8 28. Qg5 Qxg5 29. Nxg5 Ne3+ 30. Kh3 Na6 31. Rb7 Nb4 32. Nd6 Nd3 33. Nxe6 g5 34. Nxg5 Rg8 35. Rh7# 1-0

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.27"]
[Round "4"]
[White "Fus, Krzysztof"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1333"]
[BlackElo "1684"]
[PlyCount "140"]
[EventDate "2022.06.25"]
[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 e6 2. Bf4 d5 3. e3 Nf6 4. a3 Bd6 5. Bxd6 cxd6 6. c4 dxc4 7. Bxc4 0-0 8. Nf3 b6 9. 0-0 Bb7 10. Qe2 Nbd7 11. Ba6 Bxa6 12. Qxa6 Ne4 13. Rc1 Ndf6 14. Nbd2 Nxd2 15. Nxd2 Qd7 16. Rc2 Rfc8 17. Rac1 Rxc2 18. Rxc2 h5 19. Kf1 e5 20. Qd3 Rc8 21. dxe5 Rxc2 22. Qxc2 dxe5 23. f3 g5 24. g3 g4 25. f4 exf4 26. exf4 Qd5 27. Ke1 Kg7 28. Qc4 Qh1+ 29. Nf1 Qf3 30. Qe2 Qd5 31. Ne3 Qe4 32. Kd2 Qb1 33. Kc3 Ne4+ 34. Kb4 a5+ 35. Kc4 Qa2+ 36. Kd4 Nd6 37. Nd5 Nf5+ 38. Ke5 Ne7 39. Nc3 Qe6+ 40. Kd4 Nf5+ 41. Kd3 Qd6+ 42. Kc4 Qc5+ 43. Kd3 Qd4+ 44. Kc2 Ne3+ 45. Kb1 Nc4 46. Qd1 Nxa3+ 47. Ka2 Qxd1 48. Nxd1 Nc2 49. Kb3 Ne1 50. Ka4 Nf3 51. Ne3 Nxh2 52. Kb5 Nf3 53. Kxb6 Nd4 54. Kxa5 Ne2 55. Nf1 h4 56. gxh4 g3 57. Nxg3 Nxg3 58. b4 Ne4 59. Kb5 Kh6 60. Kc6 Nc3 61. Kd6 Kh5 62. f5 Kxh4 63. f6 Kg5 64. Ke7 Kg6 65. Kd6 Kxf6 66. Kc5 Ke5 67. Kc4 Nd5 68. b5 Ke4 69. Kb3 f5 70. Kc2 Ke3 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.25"]
[Round "1"]
[White "Mielcuch, Karol"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1276"]
[BlackElo "1684"]
[PlyCount "65"]
[EventDate "2022.06.25"]
[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 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 c5 7. d4 dxc4 8. bxc4 Nc6 9. 0-0 Qc7 10. d5 exd5 11. cxd5 Rd8 12. Nc3 a6 13. Qb3 Na5 14. Qd1 Bf5 15. Nd2 Rac8 16. e4 Bg4 17. Qe1 Ne8 18. e5 Qb6 19. Rb1 Qh6 20. d6 Bf8 21. Nd5 Nc6 22. Ne4 Nd4 23. Bc1 Qg6 24. Nf4 Qf5 25. f3 Nxf3+ 26. Bxf3 Bxf3 27. Rxf3 g5 28. Rxb7 gxf4 29. Rxf4 Qe6 30. Rbxf7 Bh6 31. Re7 Qg6 32. Nf6+ Kf8 33. Rg4 1-0

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.22"]
[Round "8"]
[White "Ochenduszko, Bartosz"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1531"]
[BlackElo "1664"]
[PlyCount "120"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Bd6 4. Bg3 b6 5. c3 Bb7 6. Nf3 Nd7 7. Nbd2 Ngf6 8. Bd3 Qe7 9. Ne5 0-0 10. Qc2 c5 11. Nxd7 Qxd7 12. Bh4 c4 13. Be2 Ne8 14. g4 f5 15. 0-0-0 a5 16. Bg3 b5 17. h4 b4 18. Nb1 Bc6 19. Rdg1 Bxg3 20. Rxg3 f4 21. Rf3 Rb8 22. Rxf4 Rxf4 23. exf4 Nd6 24. Re1 Qf7 25. Qd2 Ne4 26. Qe3 bxc3 27. Nxc3 Nxc3 28. Qxc3 Qxf4+ 29. Qe3 Qxe3+ 30. fxe3 Rf8 31. Rf1 Rxf1+ 32. Bxf1 Kf7 33. Kd2 Kf6 34. e4 e5 35. Ke3 exd4+ 36. Kxd4 dxe4 37. Bxc4 h5 38. Be2 hxg4 39. Bxg4 g6 40. Kc5 Ba8 41. Kb6 Ke5 42. h5 gxh5 43. Bxh5 Kf4 44. Kxa5 e3 45. Be2 Kg3 46. Kb6 Kf2 47. Bb5 Bg2 48. a4 Bf1 49. Bxf1 Kxf1 50. a5 e2 51. b4 e1Q 52. b5 Qe6+ 53. Kb7 Qd7+ 54. Kb6 Ke2 55. a6 Kd3 56. a7 Qc8 57. Ka5 Qb7 58. b6 Kc4 59. Ka4 Qxb6 60. a8Q Qb4# 0-1

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.21"]
[Round "7"]
[White "Grzelak, Piotr"]
[Black "Wawrzyniak, Pawel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1664"]
[BlackElo "1824"]
[PlyCount "100"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Ne2 e6 6. Ng3 Bg6 7. Bd3 Bxd3 8. Qxd3 c5 9. c3 Qb6 10. 0-0 Nc6 11. Be3 Qxb2 12. Nd2 c4 13. Rfb1 Qa3 14. Qc2 b6 15. f4 g6 16. Nf3 Nh6 17. Ng5 Ne7 18. Bc1 Qa6 19. a4 Nhf5 20. Nxf5 Nxf5 21. a5 b5 22. Nf3 Be7 23. Ba3 Nxh4 24. Nxh4 Bxh4 25. Bd6 Be7 26. Bxe7 Kxe7 27. Qb2 Rab8 28. Qa3+ Kd7 29. Rb2 Qc6 30. a6 Rb6 31. Rb4 Rhb8 32. Kf2 Qc8 33. g3 Rc6 34. Rab1 Qxa6 35. Qc1 Rcb6 36. Ra1 Qb7 37. Ra5 a6 38. Qa3 Qc6 39. Rb1 Ra8 40. Qb4 Qc8 41. Rba1 Qf8 42. Qb1 Kc7 43. Qa2 Kb7 44. Rb1 Qe7 45. Kf3 g5 46. Rh1 Rh8 47. Ra1 Ra8 48. Rh1 h4 49. gxh4 gxh4 50. Qg2 b4 0-1

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.20"]
[Round "6"]
[White "Szmidt, Przemyslaw"]
[Black "Grzelak, Piotr"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1831"]
[BlackElo "1664"]
[PlyCount "114"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. Ngf3 Nc6 6. e5 Nd7 7. c3 cxd4 8. cxd4 Nb4 9. Bb1 b5 10. 0-0 Be7 11. Nb3 Bb7 12. Be3 Nb6 13. Na5 Qd7 14. Nxb7 Qxb7 15. a3 Nc6 16. Bd3 a6 17. b3 f6 18. exf6 gxf6 19. Re1 Bd6 20. Bd2 Qf7 21. a4 bxa4 22. bxa4 0-0 23. Qe2 e5 24. dxe5 Nxe5 25. Bf5 Nbc4 26. Nd4 Rfe8 27. Kh1 Nxd2 28. Qxd2 Kh8 29. Qh6 Bc5 30. Rad1 Bxd4 31. Rxd4 Ng6 32. Red1 Re7 33. Bxg6 Qxg6 34. Qxg6 hxg6 35. Rxd5 Re2 36. R5d2 Rae8 37. g3 Rxd2 38. Rxd2 Re6 39. Rb2 Kg7 40. Rb7+ Kh6 41. a5 Re5 42. Rb6 Rxa5 43. Rxf6 Rf5 44. Rxa6 Rxf2 45. Kg1 Rc2 46. h4 Kh5 47. Rf6 Rb2 48. Rf4 Rc2 49. Kf1 Rb2 50. Rf8 Kg4 51. Rg8 Kxg3 52. h5 g5 53. h6 Rh2 54. Rxg5+ Kf4 55. Rg6 Kf5 56. Ra6 Kg5 57. Ra8 Rxh6 1/2-1/2

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.19"]
[Round "5"]
[White "Grzelak, Piotr"]
[Black "Lewandrowski, Tomasz"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1664"]
[BlackElo "1879"]
[PlyCount "145"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. Ne2 Nf6 4. Nbc3 e5 5. d3 Nc6 6. Bg5 Be7 7. Qd2 Nd4 8. f4 exf4 9. Nxd4 cxd4 10. Bxf6 Bxf6 11. Nd5 g5 12. Be2 Be6 13. 0-0-0 Be5 14. Kb1 Bxd5 15. cxd5 Rc8 16. h4 h6 17. Bg4 Rc5 18. Qb4 Qc7 19. Rc1 h5 20. Bf5 g4 21. Rxc5 dxc5 22. Qb5+ Ke7 23. Rc1 b6 24. b4 Kd6 25. bxc5+ bxc5 26. Rxc5 Rb8 27. Rc6+ Ke7 28. Rxc7+ Bxc7 29. Qxb8 Bxb8 30. Kc2 Be5 31. Kb3 Bf6 32. Kc4 Kd6 33. Kb5 g3 34. Bh3 Bd8 35. Ka6 Bb6 36. Kb5 f6 37. a4 Bc5 38. Kc4 a6 39. Kb3 Bb6 40. Kc2 Kc5 41. Kd2 f3 42. gxf3 Bc7 43. Ke2 Kb4 44. Bc8 a5 45. Bd7 Kc3 46. Bb5 Bf4 47. Kf1 Kd2 48. Kg2 Ke3 49. Ba6 Bd6 50. Bb5 Kf4 51. Be8 Ke3 52. Bb5 Bf4 53. Bc4 Bc7 54. Bb5 Kf4 55. Bd7 Bd6 56. Be8 Ke3 57. Bb5 Ke2 58. Bc4 Kd2 59. Bb5 Ke3 60. Bc4 Kf4 61. Bb5 Be7 62. Be8 f5 63. exf5 Bxh4 64. Bxh5 Ke3 65. Bg6 Bf6 66. Kxg3 Kxd3 67. Kf4 Kc3 68. Ke4 d3 69. f4 d2 70. Bh5 Kc2 71. d6 Kb3 72. Kd5 Kxa4 73. Ke6 1-0

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.18"]
[Round "4"]
[White "Karalchuk, Alieksej"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1493"]
[BlackElo "1664"]
[PlyCount "68"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 d4 6. Ngf3 e5 7. 0-0 Bd6 8. Re1 Nge7 9. h3 0-0 10. Nc4 Bc7 11. c3 b5 12. Na3 Rb8 13. cxd4 cxd4 14. Bg5 Be6 15. Bxe7 Qxe7 16. Nc2 f6 17. Qd2 Ba5 18. b4 Nxb4 19. Rec1 Nxc2 20. Qxc2 Rfc8 21. Qe2 Bc3 22. Rab1 a5 23. Ne1 Qa3 24. Rc2 a4 25. f4 b4 26. fxe5 fxe5 27. Qh5 Rb5 28. Qg5 b3 29. axb3 axb3 30. Rf2 Rf8 31. Rxf8+ Qxf8 32. Nf3 b2 33. h4 Qf6 34. Qh5 Qg6 0-1

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.17"]
[Round "3"]
[White "Grzelak, Piotr"]
[Black "Ratajczak, Hubert"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1664"]
[BlackElo "1513"]
[PlyCount "81"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. Ne2 Nf6 4. Nbc3 e6 5. d4 cxd4 6. Nxd4 a6 7. Be2 Qc7 8. Be3 b6 9. Qd2 Bb7 10. f3 Nbd7 11. Rc1 Be7 12. g4 h6 13. Kf2 Ne5 14. Bd3 Nfxg4+ 15. fxg4 Nxg4+ 16. Ke2 Nxe3 17. Qxe3 Bg5 18. Qg3 Bxc1 19. Rxc1 g5 20. Kd2 0-0-0 21. b4 Kb8 22. a4 Rc8 23. Nb3 Rhd8 24. a5 d5 25. cxd5 Qxg3 26. hxg3 exd5 27. Nxd5 Rxc1 28. Kxc1 Bxd5 29. exd5 bxa5 30. Nxa5 Rxd5 31. Bxa6 h5 32. Bc4 Rf5 33. Kd2 h4 34. gxh4 gxh4 35. Nc6+ Kc7 36. Nd4 Rf6 37. Ke3 h3 38. Nf3 Kd6 39. Bf1 Rh6 40. Nh2 f6 41. Ng4 1/2-1/2

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.16"]
[Round "2"]
[White "Szczygiel, Konrad"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1901"]
[BlackElo "1664"]
[PlyCount "121"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 Be7 6. Bd3 0-0 7. 0-0 dxc4 8. Bxc4 b6 9. e4 Bb7 10. e5 Nd5 11. Nxd5 Bxd5 12. Bxd5 exd5 13. Qe2 Kh8 14. Bf4 c5 15. Rfd1 c4 16. Rac1 Re8 17. Rc3 Nf8 18. Ne1 Ne6 19. Qg4 Bg5 20. Bxg5 Qxg5 21. Qxg5 Nxg5 22. Nc2 b5 23. Nb4 Rad8 24. Ra3 Rd7 25. Nc6 Ne6 26. Ra5 Rc8 27. Rxa7 Rxa7 28. Nxa7 Ra8 29. Nxb5 Rxa2 30. Nc3 Rxb2 31. Nxd5 Nxd4 32. Ne3 Ne6 33. Nxc4 Rb7 34. f4 g6 35. g3 Kg7 36. Rd2 h6 37. Nd6 Ra7 38. Rb2 h5 39. Kg2 Kh6 40. Rb7 Rxb7 41. Nxb7 h4 42. Nd6 hxg3 43. hxg3 Kg7 44. Kf3 f5 45. Ke3 Kh6 46. Nb5 Kh5 47. Nd4 Nc7 48. Kf3 Nd5 49. Ne6 Ne7 50. Ng5 Nd5 51. Nh7 Kh6 52. Nf6 Ne7 53. Ke3 g5 54. Kd4 gxf4 55. gxf4 Kg7 56. Nd5 Ng6 57. Kc5 Kf7 58. Kd6 Nf8 59. Nc7 Ng6 60. e6+ Kf6 61. Nd5+ 1-0

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.24"]
[Round "8"]
[White "Brzozowski, Pawel"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1496"]
[BlackElo "1673"]
[PlyCount "73"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. b4 cxb4 8. cxb4 a6 9. Bf4 Qb6 10. Nc3 Nce7 11. Rc1 Ng6 12. Be3 N8e7 13. Bd3 Nc6 14. Na4 Qd8 15. Qc2 f5 16. h4 Rc8 17. Qb3 Be7 18. Nc5 Bxc5 19. Rxc5 h5 20. Bg5 Qb6 21. 0-0 Kf7 22. Rfc1 Nge7 23. Be2 Na7 24. Bxe7 Kxe7 25. Qe3 Qd8 26. Qg5+ Kf7 27. Qe3 Rxc5 28. dxc5 Bb5 29. Bxb5 Nxb5 30. a4 Na7 31. Ng5+ Ke7 32. b5 axb5 33. c6 Nxc6 34. axb5 Nb8 35. Qc5+ Ke8 36. Nxe6 b6 37. Qc8 1-0

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.22"]
[Round "6"]
[White "Raczek, Krzysztof"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1587"]
[BlackElo "1673"]
[PlyCount "61"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 Qc7 8. 0-0 fxe5 9. Nxe5 Nxe5 10. dxe5 Qxe5 11. Re1 Qf6 12. Qh5+ g6 13. Qxd5 0-0-0 14. Qc4 Bc6 15. Rxe6 b5 16. Qb3 c4 17. Rxf6 cxb3 18. Rxc6+ Kb7 19. Re6 Rxd3 20. Re1 a5 21. a4 b4 22. Nd2 bxc3 23. bxc3 Bg7 24. Nxb3 Bxc3 25. Nc5+ Kc6 26. Nxd3 Bxa1 27. Ne5+ Bxe5 28. Rxe5 Kd6 29. Bb2 Nf6 30. Rxa5 Rb8 31. Be5+ 1-0

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.21"]
[Round "5"]
[White "Grzelak, Piotr"]
[Black "Bartoszewicz, Marcin"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1673"]
[BlackElo "1950"]
[PlyCount "138"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nxc6 Bc5 6. Qf3 dxc6 7. Nc3 Qxf3 8. gxf3 Be6 9. Be3 Bxe3 10. fxe3 Ne7 11. 0-0-0 f6 12. f4 g6 13. Be2 Kf7 14. h4 f5 15. Bf3 Rad8 16. Rxd8 Rxd8 17. h5 Kg7 18. hxg6 hxg6 19. Rd1 Rd6 20. Rg1 Rd8 21. exf5 Nxf5 22. e4 Ne7 23. f5 Bf7 24. Ne2 Kf6 25. fxg6 Bxg6 26. Nf4 Rh8 27. Re1 Ke5 28. Nd3+ Kf6 29. Nc5 b6 30. Nd3 Rh4 31. Kd2 a5 32. b3 Bf7 33. a3 c5 34. Kc3 Ng6 35. Kd2 Ne5 36. Bg2 Nxd3 37. Kxd3 Ke5 38. Ke3 Bg6 39. Kd3 Rh2 40. Bf3 Rh3 41. Ke2 Bxe4 42. Bxe4 Kxe4 43. Kd2+ Kd4 44. Re7 Rh2+ 45. Kc1 c6 46. Rd7+ Ke5 47. Rb7 b5 48. Ra7 Kd4 49. Rd7+ Ke4 50. Ra7 c4 51. bxc4 bxc4 52. Kb2 Rh5 53. Kc3 Rh3+ 54. Kb2 Kd4 55. Rxa5 Rh7 56. Rg5 Rb7+ 57. Kc1 Ra7 58. Rg4+ Kc5 59. Kb2 Kb5 60. Rg5+ c5 61. Rg4 Ra4 62. Rg3 Ra6 63. Rg4 Rh6 64. a4+ Kb4 65. c3+ Kxa4 66. Rxc4+ Kb5 67. Kb3 Rh1 68. Rg4 Rb1+ 69. Kc2 Re1 1/2-1/2

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.20"]
[Round "4"]
[White "Juszczak, Milosz"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1516"]
[BlackElo "1673"]
[PlyCount "78"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bf4 Bd6 5. Bxd6 Qxd6 6. e3 0-0 7. Nf3 b6 8. Nb5 Qe7 9. Qb3 Bb7 10. Rc1 Nc6 11. c5 Rfc8 12. Bd3 Ne4 13. Bxe4 dxe4 14. Nd2 Kh8 15. 0-0 f5 16. Rc3 Na5 17. Qb4 Bd5 18. Rfc1 a6 19. Na3 Nc6 20. Qa4 b5 21. Qd1 b4 22. R3c2 bxa3 23. bxa3 Rcb8 24. Rb1 Rxb1 25. Qxb1 Rb8 26. Rb2 Qd8 27. Nf1 Rxb2 28. Qxb2 Qb8 29. Qc2 Kg8 30. g4 fxg4 31. Ng3 Qf8 32. Qe2 e5 33. Qxg4 exd4 34. Qd7 Qd8 35. Qxd8+ Nxd8 36. exd4 Nc6 37. Ne2 Bc4 38. Nc3 Nxd4 39. Nxe4 Ne2+ 0-1

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.19"]
[Round "3"]
[White "Grzelak, Piotr"]
[Black "Obrochta, Lena"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1673"]
[BlackElo "1870"]
[PlyCount "82"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 d6 4. Nf3 Nf6 5. d4 cxd4 6. Nxd4 a6 7. Be3 Be7 8. Be2 0-0 9. 0-0 Qc7 10. Kh1 b6 11. Qd2 Bb7 12. f3 Nbd7 13. Rac1 Rac8 14. g4 Rfd8 15. g5 Ne8 16. h4 Qb8 17. Rf2 Nc7 18. Rcf1 Qa8 19. Kg1 Nc5 20. b4 Nd7 21. h5 g6 22. Bd3 d5 23. hxg6 fxg6 24. Nxe6 Nxe6 25. exd5 Bxb4 26. Bxg6 hxg6 27. dxe6 Ne5 28. Qe2 Bxc3 29. f4 Nxc4 30. Qc2 Be4 31. Qxc3 Nxe3 32. Qxe3 Rd3 33. Qxb6 Rg3+ 34. Kh2 Rcc3 35. Rd2 Rh3+ 36. Kg1 Rh1+ 37. Kf2 Rf3+ 38. Ke2 Rh2+ 39. Ke1 Rxf1+ 40. Kxf1 Bd3+ 41. Ke1 Qh1+ 0-1

[Event "Rubinstein Memorial-C 55th"]
[Site "Polanica Zdroj"]
[Date "2019.08.18"]
[Round "2"]
[White "Wilgosz, Tomasz"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1513"]
[BlackElo "1673"]
[PlyCount "108"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qf3 Ne7 12. Rd1 Qxe5 13. Bf4 Qf6 14. Qg3 Nf5 15. Qh3 Bd6 16. Bxf5 Bxf4 17. Nxd5 Qxf5 18. Qxf5 exf5 19. Nxf4 Be6 20. Rd6 Rd8 21. Rb6 Bc8 22. Re1+ Kf8 23. Rc1 g6 24. g3 Kg7 25. Rc7 Rhe8 26. h4 Rd7 27. Rc3 Red8 28. a3 Re7 29. Kf1 Rd1+ 30. Kg2 Be6 31. Re3 Kf6 32. Kf3 Rd2 33. g4 fxg4+ 34. Ke4 Kg7 35. Nxe6+ Rxe6+ 36. Rxe6 fxe6 37. Kf4 Rxf2+ 38. Kxg4 Rxb2 39. Rxe6 Kf7 40. Rd6 Ke7 41. Rd3 Re2 42. Kg5 Re5+ 43. Kf4 Rf5+ 44. Kg4 h5+ 45. Kg3 b5 46. Rc3 Kd6 47. Rc8 Rf6 48. Rc1 Kd5 49. Rc8 Rc6 50. Rg8 Kc4 51. Kf4 Kb3 52. Kg5 Kxa3 53. Rxg6 Rxg6+ 54. Kxg6 b4 0-1

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.29"]
[Round "8"]
[White "Grzelak, Piotr"]
[Black "Cempel, Jaroslav"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1616"]
[BlackElo "2064"]
[PlyCount "50"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bd3 Nc6 6. Nge2 a6 7. Bf4 Qd8 8. Qd2 Bg4 9. f3 Bh5 10. Ne4 Nd5 11. c3 e6 12. 0-0-0 Bg6 13. Rhe1 Be7 14. Kb1 Qd7 15. N2g3 0-0-0 16. Bg5 f6 17. Be3 f5 18. Nf2 Rhe8 19. Bg5 Bxg5 20. Qxg5 Qd6 21. Nxf5 exf5 22. Bxf5+ Bxf5+ 23. Qxf5+ Qd7 24. Qg5 h6 25. Qg3 Ne3 0-1

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.28"]
[Round "7"]
[White "Cvik, Stepan"]
[Black "Grzelak, Piotr"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1885"]
[BlackElo "1616"]
[PlyCount "101"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Bd6 4. Bg3 b6 5. c3 Bb7 6. Nf3 Bxg3 7. hxg3 Nd7 8. Bd3 Ngf6 9. Nbd2 Ne4 10. Qc2 f5 11. c4 c5 12. Rd1 0-0 13. Nb3 Rc8 14. dxc5 Qe7 15. 0-0 Ndxc5 16. cxd5 Nxd3 17. Qxd3 Rfd8 18. Rc1 Bxd5 19. Qa6 Nc5 20. Nxc5 bxc5 21. b3 Rc6 22. Qe2 Qf6 23. Rfd1 Rdc8 24. Qd2 h6 25. Qa5 R8c7 26. Rd2 g5 27. Rdc2 f4 28. exf4 Bxf3 29. gxf3 gxf4 30. Rxc5 Rxc5 31. Rxc5 Rxc5 32. Qxc5 fxg3 33. Qc8+ Kg7 34. Qc7+ Kf8 35. Qb8+ Kf7 36. Qxa7+ Kg6 37. fxg3 Qxf3 38. Qf2 Qd1+ 39. Kh2 Qh5+ 40. Kg2 Qd5+ 41. Kf1 Qd1+ 42. Qe1 Qd3+ 43. Kf2 Qc2+ 44. Qe2 Qf5+ 45. Kg2 Qd5+ 46. Kh2 Kg7 47. b4 e5 48. Qg4+ Kf6 49. Qh4+ Kg6 50. Qg4+ Kf6 51. Qh4+ 1/2-1/2

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.27"]
[Round "6"]
[White "Grzelak, Piotr"]
[Black "Maroszczyk, Wieslaw"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1616"]
[BlackElo "1861"]
[PlyCount "127"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. dxc3 Qf6 7. Be3 Nd7 8. 0-0-0 Qxf3 9. Nxf3 Bd6 10. Ng5 Ne5 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. Ne4 Be7 14. Rd2 Nf6 15. Nxf6+ Bxf6 16. Bf4 c6 17. Bd6 Rd8 18. Rhd1 Bg5 19. f4 Rxd6 20. fxg5 Rxd2 21. Kxd2 Ke7 22. Ke3 h6 23. gxh6 Rxh6 24. h3 Rh5 25. c4 Re5+ 26. Kf3 f5 27. c3 c5 28. g4 g5 29. gxf5 exf5 30. b3 Re4 31. Rd5 Rf4+ 32. Kg3 b6 33. a3 Rf1 34. b4 cxb4 35. cxb4 Ke6 36. h4 gxh4+ 37. Kxh4 Rf4+ 38. Kg3 Rxc4 39. Rd3 Ke5 40. Kf3 Rf4+ 41. Ke2 Re4+ 42. Kf2 a5 43. bxa5 bxa5 44. Kf3 Rh4 45. Kg3 Rd4 46. Rf3 Rg4+ 47. Kh3 Rg6 48. Rb3 Kf4 49. a4 Ke4 50. Rb5 Ra6 51. Kg3 f4+ 52. Kf2 Rc6 53. Rxa5 Rc2+ 54. Kf1 Kf3 55. Re5 Rf2+ 56. Kg1 Re2 57. Rg5 Re1+ 58. Kh2 Kf2 59. Rg2+ Ke3 60. Ra2 Re2+ 61. Rxe2+ Kxe2 62. a5 f3 63. a6 f2 64. a7 1/2-1/2

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.26"]
[Round "5"]
[White "Koloczek, Maciej"]
[Black "Grzelak, Piotr"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1981"]
[BlackElo "1616"]
[PlyCount "80"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Ng6 9. h4 d4 10. h5 Nge5 11. Nxe5 Nxe5 12. f4 Nc6 13. h6 e5 14. hxg7 Kxg7 15. f5 f6 16. Nc4 b5 17. Nxd6 Qxd6 18. Bh6+ Kxh6 19. Qg4 Bxf5 20. exf5 Rg8 21. Qe4 Rac8 22. Kf2 Rg5 23. Rh1+ Kg7 24. Rh4 Rc7 25. Rah1 Kh8 26. Rh6 Rgg7 27. Qh4 Rcf7 28. Be4 c4 29. g4 Qb4 30. Rd1 Qxb2 31. Rxf6 Qxc2+ 32. Ke1 cxd3 33. Rxd3 Nb4 34. Rxf7 Nxd3+ 35. Bxd3 Qc1+ 36. Kf2 Qe3+ 37. Kg2 Rxf7 38. Qd8+ Kg7 39. f6+ Rxf6 40. Qe7+ Rf7 0-1

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.25"]
[Round "4"]
[White "Grzelak, Piotr"]
[Black "Hanak, Tomas"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1616"]
[BlackElo "1962"]
[PlyCount "92"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qb6 5. g4 Bd7 6. Nc3 e6 7. Na4 Qa5+ 8. c3 Na6 9. a3 b5 10. b4 Qd8 11. Nb2 Ne7 12. Bd3 Nc7 13. f4 a5 14. Qc2 h5 15. gxh5 Nf5 16. Bxf5 exf5 17. Nd3 Rxh5 18. Qf2 Be7 19. Nf3 Ne6 20. Bd2 Kf8 21. Ke2 g6 22. Nc5 Bxc5 23. bxc5 Bc8 24. Ng5 Ba6 25. Nxe6+ fxe6 26. Kf3 Kf7 27. Rag1 b4 28. cxb4 Bd3 29. Ke3 Be4 30. Rh3 axb4 31. Bxb4 Qc8 32. Rhg3 Qa6 33. Qe2 Qa4 34. Rxg6 Qb3+ 35. Kf2 Rh7 36. R1g3 Qb1 37. Qe1 Qc2+ 38. Qd2 Qb1 39. Rg1 Qb3 40. R6g3 Qc4 41. h5 Rah8 42. Qe2 Qxd4+ 43. Ke1 Qa1+ 44. Kf2 Qd4+ 45. Kf1 Qa1+ 46. Kf2 Qd4+ 1/2-1/2

[Event "Bohumin op 2nd"]
[Site "Bohumin"]
[Date "2019.06.22"]
[Round "1"]
[White "Andreev, Eduard"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2435"]
[BlackElo "1616"]
[PlyCount "61"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 cxd4 7. cxd4 Nh6 8. Nc3 Nf5 9. Na4 Qd8 10. Be3 Bd7 11. Bd3 Nxe3 12. fxe3 Be7 13. 0-0 0-0 14. Rc1 f6 15. exf6 gxf6 16. Nc5 Bxc5 17. Rxc5 Qe7 18. b4 a6 19. e4 dxe4 20. Bxe4 Qg7 21. Rh5 h6 22. Rh3 Kf7 23. Rg3 Qh8 24. Ne5+ Nxe5 25. dxe5 Ke7 26. Qd6+ Kd8 27. Bxb7 Rc8 28. Bxc8 Kxc8 29. Rc3+ Kd8 30. Rd1 Qg7 31. Qb8+ 1-0

