[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "10"]
[White "Costachi, Mihnea"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2471"]
[BlackElo "2283"]
[PlyCount "127"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. d4 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 a6 7. a4 b6 8. Re1 Bb7 9. Bf1 c5 10. d5 Nbd7 11. Nd2 Ne8 12. Nc4 Ne5 13. Ne3 Nc7 14. f4 Nd7 15. Kh1 Qb8 16. Qg4 Nf6 17. Qf3 b5 18. axb5 axb5 19. Rxa8 Bxa8 20. Ne2 e6 21. Rd1 exd5 22. Nxd5 Nfxd5 23. exd5 Qb7 24. f5 Nxd5 25. Nf4 Nxf4 26. Qxb7 Bxb7 27. Bxf4 Bxb2 28. Bxb5 d5 29. Bd6 Rc8 30. Rb1 Ra8 31. fxg6 hxg6 32. Bxc5 Ra1 33. Rxa1 Bxa1 34. Kg1 Be5 35. g3 Kg7 36. Kf2 Kf6 37. Ke3 Ke6 38. Be8 g5 39. Bb5 f5 40. Bd3 f4+ 41. Kf2 fxg3+ 42. hxg3 Bd6 43. Be3 Be7 44. g4 Bf6 45. Bd2 Kd6 46. Bb4+ Ke6 47. Bf5+ Kf7 48. Ke3 Ba6 49. Bc5 Bc4 50. Bd4 Bxd4+ 51. Kxd4 Kf6 52. Bd7 Ba2 53. Bb5 Ke6 54. Bd3 Kd6 55. Bf5 Bc4 56. Bh7 Be2 57. Bf5 Bd1 58. c3 Bf3 59. Bc8 Bd1 60. Bf5 Bf3 61. Ke3 Bd1 62. Kd2 Bf3 63. Ke3 Bd1 64. Kd4 1/2-1/2

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Abdilkhair, Abilmansur"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2283"]
[BlackElo "2357"]
[PlyCount "39"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 Nf6 5. d3 Bd6 6. Ne2 a6 7. a4 0-0 8. 0-0 Rb8 9. f4 Bc7 10. Nbc3 d6 11. f5 Ba5 12. Nd5 Nd4 13. Bc1 Nxd5 14. Bxd5 Nxe2+ 15. Qxe2 Bc3 16. Rb1 Kh8 17. Qh5 f6 18. Rf3 Bd4+ 19. Kh1 Qe8 20. Qxh7+ 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "5"]
[White "Kejna, Piotr"]
[Black "Belmonte, Diego Mariano"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2283"]
[BlackElo "2305"]
[PlyCount "79"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. exd6 cxd6 8. 0-0 0-0 9. c3 Nc6 10. Nbd2 e5 11. Ne4 d5 12. Nc5 e4 13. Ne1 Na5 14. Bc2 Nbc4 15. Nb3 Nc6 16. Nd2 Nd6 17. Qe2 Kh8 18. Bb3 Ne7 19. Nc2 f5 20. Ne3 Be6 21. g3 f4 22. gxf4 Rxf4 23. Ng2 Bg4 24. Qe3 Rf5 25. Kh1 Rh5 26. Qg3 Be2 27. Re1 Nef5 28. Qf4 Bh6 29. Qe5+ Bg7 30. Qe6 Bf3 31. Nxf3 exf3 32. Nf4 Qh4 33. Nxh5 Qxh5 34. Qxd5 Qh3 35. Rg1 Nh4 36. Qxd6 Re8 37. Be3 h5 38. Qg3 Qg2+ 39. Rxg2 fxg2+ 40. Kg1 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Fakhretdinova, Margarita"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2283"]
[BlackElo "2153"]
[PlyCount "95"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 Nf6 4. Nc3 e6 5. Nf3 d6 6. d4 cxd4 7. Nxd4 Be7 8. Be2 0-0 9. Qd2 Qc7 10. 0-0-0 a6 11. g4 Nxd4 12. Qxd4 e5 13. Qe3 Be6 14. g5 Ng4 15. Bxg4 Bxg4 16. f3 Be6 17. h4 f5 18. gxf6 Rxf6 19. Nd5 Bxd5 20. Rxd5 Raf8 21. Rf1 Rg6 22. Kb1 Rg2 23. Rd2 Rxd2 24. Qxd2 Bxh4 25. Rh1 Be7 26. Qh2 h6 27. Qh5 Bg5 28. Rd1 Rf6 29. Qe8+ Kh7 30. Rd3 Qc5 31. a4 Bf4 32. Qe7 Rg6 33. Rc3 Rg1+ 34. Ka2 Qd4 35. Rc7 Qd1 36. Rxb7 Qb1+ 37. Ka3 Bc1 38. Bxc1 Qxc1+ 39. Kb4 Qd2+ 40. c3 Qe3 41. Qxd6 Qxf3 42. Qd5 Rg4 43. Rc7 Rxe4+ 44. Rc4 Rxc4+ 45. bxc4 Qg3 46. c5 h5 47. c6 h4 48. Qe4+ 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Weetik, Vjacheslav"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2283"]
[BlackElo "2423"]
[PlyCount "117"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 e6 8. Nf4 Bh7 9. Bc4 Nf6 10. c3 Nbd7 11. Nfh5 Qa5 12. 0-0 Nxh5 13. Nxh5 Nf6 14. Ng3 Bd6 15. Qf3 Bg6 16. b4 Qc7 17. Re1 0-0-0 18. a4 Nd5 19. Bd2 h5 20. b5 c5 21. a5 cxd4 22. Bxd5 exd5 23. cxd4 Kb8 24. b6 Qd7 25. bxa7+ Ka8 26. Qb3 Be7 27. a6 b5 28. Rxe7 Qxe7 29. Qxb5 Qd7 30. Qb6 Rc8 31. Bf4 Qxa7 32. Qb5 Qd7 33. Qa5 Qc6 34. Rc1 Qe6 35. Re1 Qc6 36. Rc1 Qe6 37. Re1 Qc6 38. Kh2 Rhe8 39. Rc1 Qe6 40. Rc5 Rxc5 41. dxc5 Qc6 42. Bd6 f6 43. Nf1 Bd3 44. Ne3 Qxa6 45. Qc7 Rc8 46. Qxg7 Qb7 47. Qxf6 Ba6 48. Qa1 Qc6 49. Nxd5 Kb7 50. Nb4 Qb5 51. Nd5 Re8 52. Nc7 Qc6 53. Nxe8 Qxe8 54. Qb2+ Bb5 55. Qd4 Kc6 56. Qf4 Qg6 57. Qf3+ Kd7 58. Qb7+ Ke6 59. Qxb5 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "2"]
[White "Kejna, Piotr"]
[Black "Xu, Yi"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2283"]
[BlackElo "2495"]
[PlyCount "86"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nf6 3. Nc3 Nc6 4. Bb2 d6 5. Bb5 Bd7 6. f4 a6 7. Bxc6 Bxc6 8. Qe2 e6 9. Nf3 b5 10. e5 Nh5 11. Qe3 g6 12. g4 Ng7 13. exd6 Bxd6 14. Ne4 Bxe4 15. Qxe4 0-0 16. 0-0-0 f5 17. gxf5 Rxf5 18. Ne5 Bxe5 19. Bxe5 Qd5 20. d3 Raf8 21. Rde1 Nh5 22. Qxd5 exd5 23. Bd6 Rc8 24. Re7 Nxf4 25. Rhe1 c4 26. dxc4 dxc4 27. bxc4 Rxc4 28. Kb2 Nd5 29. Ra7 Rc8 30. Re6 Rf2 31. Kb1 Rfxc2 32. Re8+ Rxe8 33. Kxc2 Re2+ 34. Kb3 Re3+ 35. Kb2 Nb6 36. Rxa6 Nc4+ 37. Kc2 Re2+ 38. Kc3 Nxd6 39. Rxd6 Rxa2 40. Rb6 Rxh2 41. Rxb5 Rf2 42. Kd4 Kg7 43. Ke3 Rf5 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "11"]
[White "Klekowski, Maciej"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2477"]
[BlackElo "2283"]
[PlyCount "59"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e3 e5 6. Nge2 0-0 7. d4 Nbd7 8. 0-0 c6 9. h3 Qe7 10. b3 h5 11. a4 a5 12. Ba3 Ne8 13. dxe5 Bxe5 14. Rc1 Nc5 15. Nd4 Nc7 16. Re1 N7e6 17. f4 Bg7 18. Kh2 Bd7 19. Nde2 f5 20. e4 fxe4 21. Nxe4 Nxe4 22. Bxe4 c5 23. Bxg6 h4 24. f5 Ng5 25. Nf4 Qf6 26. Qh5 hxg3+ 27. Kxg3 Be8 28. h4 Bxg6 29. Nxg6 Qxf5 30. Ne7# 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "6"]
[White "Mesquita, Eduardo Barbosa"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1948"]
[BlackElo "2283"]
[PlyCount "78"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3 0-0 6. h3 Nbd7 7. 0-0 Qe8 8. Bh2 e5 9. dxe5 dxe5 10. e4 b6 11. Qe2 Bb7 12. Nbd2 Nh5 13. Rfe1 Qe7 14. Nc4 Rae8 15. Ne3 Nf4 16. Bxf4 exf4 17. Nc4 Nc5 18. Ncd2 Bxb2 19. Rab1 Bc3 20. Red1 f5 21. e5 Bxe5 22. Bc4+ Kg7 23. Nxe5 Qxe5 24. Qf1 f3 25. gxf3 Qf4 26. Qg2 Rd8 27. Nf1 Rxd1 28. Rxd1 Bxf3 29. Qg3 Qxg3+ 30. fxg3 Bxd1 31. Ne3 Bf3 32. Kf2 Be4 33. Bb5 c6 34. Be2 Rd8 35. h4 a5 36. Nc4 b5 37. Nxa5 Rd2 38. Ke3 Rxc2 39. a3 Ra2 0-1

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "4"]
[White "Prieto Aranguren, Alain"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2171"]
[BlackElo "2283"]
[PlyCount "41"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Nc6 6. Nf3 Bg7 7. h4 Ngxe5 8. hxg5 Nxf3+ 9. gxf3 Bxb2 10. Nd2 Qxg5 11. Rb1 Bc3 12. Bxc7 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 b6 15. e3 Bb7 16. Bd3 d6 17. Bxd6 Rd8 18. c5 Ne7 19. Ke2 bxc5 20. Bxe7 Kxe7 21. Rxb7+ 1-0

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "3"]
[White "Revaliente Montoya, Ciro"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2242"]
[BlackElo "2283"]
[PlyCount "82"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 g6 5. Be2 Bg7 6. Bd3 0-0 7. 0-0 a6 8. Bc2 b5 9. d4 cxd4 10. cxd4 Bb7 11. Re1 Nc6 12. a3 Rc8 13. Nc3 Na5 14. Qe2 Nc4 15. e5 dxe5 16. dxe5 Nd5 17. Nxd5 Qxd5 18. Bb3 Qc6 19. Bf4 Rfd8 20. Rac1 Qb6 21. Bxc4 bxc4 22. Be3 Qb5 23. Bg5 Bxf3 24. Qxf3 Qxb2 25. Bxe7 Re8 26. Bf6 Re6 27. Bxg7 Kxg7 28. Rb1 Qd2 29. Red1 Qg5 30. Rb7 Rf8 31. Rdd7 Qf5 32. Qxf5 gxf5 33. f4 Rc6 34. g4 fxg4 35. hxg4 c3 36. Rbc7 Rc8 37. Rxf7+ Kg8 38. Rg7+ Kf8 39. Rgf7+ Kg8 40. Rg7+ Kf8 41. Rgf7+ Kg8 1/2-1/2

[Event "Titled Tuesday intern op 06th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.06"]
[Round "7"]
[White "Shkapenko, Pavel"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2390"]
[BlackElo "2283"]
[PlyCount "161"]
[EventDate "2024.02.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. h3 0-0 8. Qd2 Rb8 9. f4 Qc7 10. Nf3 b5 11. a3 a5 12. 0-0 b4 13. axb4 Rxb4 14. Ne2 Rxb2 15. g4 Nb4 16. Rac1 Ba6 17. Qd1 a4 18. Ng3 a3 19. f5 a2 20. Bf4 Qb6 21. Kh2 Rb8 22. Bd2 Nd7 23. e5 Nxe5 24. Ne4 Nd5 25. f6 Nxf3+ 26. Qxf3 Nxf6 27. g5 Nxe4 28. Qxf7+ Kh8 29. Bxe4 Rb1 30. Qxa2 Be5+ 31. Kg2 Rxc1 32. Bxc1 Bb7 33. Qc4 Bxe4+ 34. Qxe4 Qb7 35. Rf8+ Kg7 36. Qxb7 Rxb7 37. Re8 Kf7 38. Rc8 Rb1 39. Be3 Rb2 40. Kf3 Rxc2 41. d4 Bg7 42. dxc5 dxc5 43. Rxc5 Rh2 44. Kg4 Ra2 45. Rc1 Ra4+ 46. Kf3 Ra5 47. h4 Rf5+ 48. Ke4 Re5+ 49. Kf3 Rf5+ 50. Ke4 Be5 51. Rc5 Ke6 52. Rc6+ Bd6 53. Rc8 Re5+ 54. Kf3 Rf5+ 55. Ke4 Rf1 56. Rh8 Rh1 57. Rxh7 Bg3 58. h5 Rxh5 59. Rg7 Rh4+ 60. Kf3 Be5 61. Rxg6+ Kf7 62. Ra6 Rh1 63. Ke4 Bd6 64. Ra2 Rh4+ 65. Kf3 Rh8 66. Kg4 Kg6 67. Ra6 Rh1 68. Bf4 Rg1+ 69. Kh3 Rd1 70. Kg2 Kf5 71. Bxd6 Rxd6 72. Ra5+ Kg6 73. Kf3 Rd4 74. Ke3 Rg4 75. Re5 Rxg5 76. Rxe7 Kf6 77. Re4 Rg3+ 78. Kf2 Rg5 79. Re3 Rf5+ 80. Rf3 Rxf3+ 81. Kxf3 1/2-1/2

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.20"]
[Round "9"]
[White "Pisk, Petr"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2295"]
[BlackElo "2269"]
[PlyCount "30"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. h3 Nf6 5. Nc3 0-0 6. Be2 a6 7. a4 b6 8. 0-0 Bb7 9. e5 dxe5 10. Nxe5 Nbd7 11. Bf3 Bxf3 12. Nxf3 c5 13. Be3 Qc7 14. Re1 Rfd8 15. Qe2 e6 1/2-1/2

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.19"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Balinski, Damian"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2269"]
[BlackElo "2226"]
[PlyCount "33"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d5 9. exd5 Bg4 10. f3 Bh5 11. dxc6 Qd4+ 12. Kh1 Bxc3 13. bxc3 Qxc3 14. Rb1 Bg6 15. Bb2 Qxc6 16. Bxf6 Qxf6 17. Bxg6 1/2-1/2

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.18"]
[Round "7"]
[White "Pavlis, Matej"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2088"]
[BlackElo "2269"]
[PlyCount "134"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. g3 cxd4 4. Nxd4 e5 5. Nb3 d5 6. Bg2 Nc6 7. Bg5 Be6 8. 0-0 Be7 9. Nc3 d4 10. Na4 Bd5 11. Bxf6 gxf6 12. Qd3 Bxg2 13. Kxg2 Qd7 14. Qf3 b6 15. Rfd1 Rd8 16. e3 Qe6 17. exd4 exd4 18. c3 Qc4 19. Nxd4 Ne5 20. b3 Nxf3 21. bxc4 Ne5 22. c5 bxc5 23. Nb5 0-0 24. f4 Ng4 25. Kg1 f5 26. h3 Nf6 27. Nc7 Ne4 28. Nd5 Bd6 29. Kg2 Kh8 30. Kf3 Rg8 31. g4 Rde8 32. Ne3 fxg4+ 33. hxg4 Rg6 34. Rd5 Rge6 35. Nf5 Bf8 36. Rad1 Be7 37. g5 f6 38. Nxe7 R6xe7 39. gxf6 Nxf6 40. R5d3 c4 41. Rd8 Re3+ 42. Kf2 Re2+ 43. Kf1 Rxa2 44. Nc5 Rxd8 45. Rxd8+ Kg7 46. Rd4 Ng4 47. Ke1 h5 48. Rxc4 h4 49. f5 Ne3 50. f6+ Kf7 51. Re4 h3 52. Rxe3 h2 53. Rh3 h1Q+ 54. Rxh1 Ra1+ 55. Kd2 Rxh1 56. Kd3 Kxf6 57. Kc4 Rb1 58. Nb3 Ke7 59. Kb4 Kd6 60. c4 Kc6 61. Ka4 Rh1 62. Kb4 Rh5 63. Na5+ Kb6 64. Nb3 a5+ 65. Ka4 Rh2 66. Ka3 Rg2 67. Nd4 Rg4 0-1

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.17"]
[Round "6"]
[White "Kejna, Piotr"]
[Black "Luberanski, Jakub"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2269"]
[BlackElo "2278"]
[PlyCount "24"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 0-0 7. Bg5 c5 8. cxd5 cxd4 9. Qxd4 Nc6 10. Qh4 Qxd5 11. Bxf6 gxf6 12. Nf3 e5 1/2-1/2

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.16"]
[Round "4"]
[White "Kejna, Piotr"]
[Black "Lim, Zhuo Ren"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2269"]
[BlackElo "2218"]
[PlyCount "65"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. a4 Nc6 11. Qd2 h6 12. Rad1 Re8 13. Kh1 Rc8 14. f4 Na5 15. Nxa5 Qxa5 16. f5 Bc4 17. Bxc4 Rxc4 18. Bxh6 Rxc3 19. Qg5 Bf8 20. bxc3 Nxe4 21. Qh4 d5 22. c4 gxh6 23. Rxd5 Nc5 24. f6 b6 25. Qg4+ Kh8 26. Qh5 Kg8 27. Qg6+ Kh8 28. Qxf7 Qxa4 29. Rxe5 Rd8 30. Rg5 hxg5 31. Qh5+ Kg8 32. Qg6+ Kh8 33. f7 1-0

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.16"]
[Round "5"]
[White "Plischki, Sebastian"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2345"]
[BlackElo "2269"]
[PlyCount "38"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 0-0 9. Rd1 Nc6 10. Qf4 d6 11. b3 Qb8 12. Bb2 Rd8 13. h3 Rd7 14. e4 Ne5 15. Qe3 Nxf3+ 16. Bxf3 Qc7 17. Bg2 Rad8 18. Rac1 Qb8 19. Qe2 Qa8 1/2-1/2

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.15"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Wang, Yukun"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2269"]
[BlackElo "2117"]
[PlyCount "142"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 gxf5 10. exf5 d5 11. Qf3 Ne4 12. Nxe4 dxe4 13. Qxe4 Nc6 14. Bc4 Qd7 15. Bd5 Bd6 16. 0-0-0 Qc7 17. Bxc6+ bxc6 18. Bb6 Qxb6 19. Rxd6 0-0 20. g6 fxg6 21. fxg6 Qc5 22. Rxc6 Qd4 23. gxh7+ Kh8 24. Qxd4 exd4 25. Rg1 Bf5 26. Rg8+ Kxh7 27. Rxf8 Rxf8 28. Rc4 d3 29. cxd3 Bxd3 30. Rd4 Bg6 31. f4 Rc8+ 32. Kd1 Bb1 33. Rd7+ Kg6 34. Rd6+ Kf5 35. Rxa6 Kxf4 36. Ra3 Ke4 37. Rc3 Rh8 38. Kc1 Bd3 39. Rc7 Rxh2 40. Re7+ Kd4 41. Rc7 Ke3 42. b3 Rxa2 43. Rc8 Kd4 44. Rc7 Be4 45. Rc4+ Kd3 46. Rc7 Bd5 47. Rd7 Kc3 48. Kb1 Ra5 49. Re7 Bxb3 50. Re3+ Kb4 51. Rg3 Re5 52. Kc1 Re2 53. Rg7 Rf2 54. Rg4+ Bc4 55. Rg3 Kc5 56. Rg4 Kd5 57. Rh4 Bd3 58. Rb4 Bc4 59. Rb2 Rf1+ 60. Kc2 Kd4 61. Kd2 Rf3 62. Ke1 Rh3 63. Rg2 Bd3 64. Rf2 Rh1+ 65. Kd2 Ra1 66. Rf4+ Be4 67. Rf8 Ra2+ 68. Kc1 Rc2+ 69. Kd1 Ke3 70. Rb8 Rh2 71. Rb4 Rh1# 0-1

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.14"]
[Round "2"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2370"]
[BlackElo "2269"]
[PlyCount "101"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Nf3 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 Be7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nf6 10. Qa4+ c6 11. Rd1 Bd7 12. Nd2 0-0 13. Qc2 Qc8 14. Nc4 Bh3 15. Nd6 Bxd6 16. Rxd6 Bxg2 17. Kxg2 Rd8 18. Rxd8+ Qxd8 19. Be3 Qd5+ 20. f3 Re8 21. Bf2 Qb5 22. e4 Rd8 23. b3 h6 24. Rd1 Rxd1 25. Qxd1 Qa5 26. a4 Qc7 27. g4 b6 28. h4 Qd7 29. Qxd7 Nxd7 30. f4 c5 31. e5 Nb8 32. Be1 Nc6 33. Bc3 h5 34. gxh5 Ne7 35. Kf3 Kh7 36. Kg4 a6 37. f5 b5 38. e6 fxe6 39. fxe6 Kg8 40. axb5 axb5 41. Kf3 c4 42. bxc4 bxc4 43. Ke4 Kf8 44. Bb2 Ng8 45. Kd5 Ne7+ 46. Kd6 Ke8 47. Bxg7 Nf5+ 48. Ke5 Nxh4 49. Bf6 Nf3+ 50. Kf4 Nd2 51. h6 1-0

[Event "Marianske Lazne IM-B2 22nd"]
[Site "Marianske Lazne"]
[Date "2024.01.13"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Ivanov, Mike"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2269"]
[BlackElo "2356"]
[PlyCount "67"]
[EventDate "2024.01.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "1"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. Bd3 0-0 7. Nge2 dxc4 8. Bxc4 Bf5 9. 0-0 Nc6 10. Bg5 h6 11. Be3 a6 12. Ng3 Bg6 13. Qf3 Na5 14. Be2 Bxc3 15. bxc3 Qd5 16. c4 Qxf3 17. Bxf3 Nxc4 18. Bxb7 Ra7 19. Bc6 Rd8 20. Rac1 Nxe3 21. fxe3 Nd5 22. Rfe1 Nb4 23. Rc4 Rb8 24. a4 Nd3 25. Ra1 Rb4 26. Rc3 Nb2 27. a5 Kf8 28. Ne4 Rc4 29. Rxc4 Nxc4 30. Nc5 Nxe3 31. Re1 Ke7 32. Rxe3+ Kd6 33. Bb7 f6 34. Re6# 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.09"]
[Round "8.3"]
[White "Janaszak, Dawid"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2302"]
[BlackElo "2267"]
[PlyCount "8"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ostrow Wielkopolski"]
[BlackTeam "Legnica Miedz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 e6 2. Bf4 Nf6 3. Nf3 c5 4. e3 cxd4 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.08"]
[Round "7.21"]
[White "Kejna, Piotr"]
[Black "Cajbel, Maciej"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2267"]
[BlackElo "2151"]
[PlyCount "79"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Wisznia Mala Bialy Krol"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Re8 9. h4 e6 10. h5 d5 11. Nxc6 bxc6 12. e5 Nd7 13. f4 c5 14. hxg6 hxg6 15. Nxd5 exd5 16. Qxd5 Nxe5 17. fxe5 Qxd5 18. Bxd5 Rb8 19. 0-0 Be6 20. Bxe6 Rxe6 21. Rad1 Bxe5 22. Rd7 f5 23. b3 a5 24. Rfd1 Bg3 25. Bxc5 Re2 26. Bd6 Bf2+ 27. Kf1 Rbe8 28. Rd8 Bh4 29. Rxe8+ Rxe8 30. Bc7 a4 31. b4 Re7 32. Bd8 Re4 33. Bxh4 Rxh4 34. c3 Rf4+ 35. Ke2 Rg4 36. Kf2 Kf7 37. Rd4 Rxd4 38. cxd4 Ke6 39. g4 f4 40. g5 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.07"]
[Round "6.21"]
[White "Grajczak, Adrian"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1858"]
[BlackElo "2267"]
[PlyCount "96"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lipusz WDA"]
[BlackTeam "Legnica Miedz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nf6 5. Nc3 g6 6. d3 Bg7 7. Bxd7+ Nfxd7 8. Be3 Nc6 9. Qd2 Nd4 10. Bxd4 cxd4 11. Ne2 e5 12. 0-0 0-0 13. b4 f5 14. exf5 gxf5 15. Qg5 Qe8 16. Ng3 Qg6 17. Qxg6 hxg6 18. Nd2 Rfe8 19. Rfe1 Re7 20. Nb3 Rae8 21. f3 Bh6 22. Nf1 Nf6 23. a4 d5 24. c5 Kf7 25. Rad1 g5 26. g3 Rc7 27. h3 Nd7 28. g4 f4 29. Rc1 Rec8 30. Nfd2 Bf8 31. Nb1 b6 32. Na3 a6 33. b5 bxc5 34. bxa6 Ra7 35. Nb5 Rxa6 36. Ra1 c4 37. dxc4 Rxc4 38. Rec1 Raxa4 39. Rxa4 Rxa4 40. Rc7 Ke8 41. Rc8+ Ke7 42. Nc7 Ra3 43. Re8+ Kf7 44. Rd8 Nf6 45. Nd2 Rd3 46. Nf1 Be7 47. Rh8 Rc3 48. Nb5 Rxf3 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.06"]
[Round "5.3"]
[White "Kejna, Piotr"]
[Black "Chmiel, Marcin"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2267"]
[BlackElo "2184"]
[PlyCount "73"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Krakow KKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 Qe7 7. 0-0 Bd6 8. b3 Be6 9. d4 Nd7 10. Bb2 f6 11. c4 c5 12. d5 Bg4 13. Re1 0-0-0 14. Re3 Nf8 15. b4 cxb4 16. a3 b3 17. Nxb3 Nd7 18. Qc2 Nc5 19. Ne1 f5 20. exf5 Nxb3 21. Qxb3 e4 22. Bd4 Bxf5 23. Rb1 b6 24. a4 Bf4 25. a5 Bxe3 26. Bxe3 Qe5 27. Qb5 Rhf8 28. Nc2 Rf6 29. axb6 Rxb6 30. Bxb6 cxb6 31. Qa6+ Kd7 32. Qxa7+ Qc7 33. Qxb6 e3 34. Qxe3 Qxc4 35. Rb7+ Kc8 36. Qa7 Qf4 37. Qa8+ 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.05"]
[Round "4.15"]
[White "Kejna, Piotr"]
[Black "Musial, Igor"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2267"]
[BlackElo "2021"]
[PlyCount "17"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Jaworzno"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. f4 Nf6 6. Nc3 e6 7. Nf3 a6 8. Bxc6 Bxc6 9. Qe2 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.04"]
[Round "3.3"]
[White "Gradowski, Jacek"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2072"]
[BlackElo "2267"]
[PlyCount "59"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lodz Okucia Budowlane"]
[BlackTeam "Legnica Miedz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 c5 7. e3 cxd4 8. exd4 Nc6 9. Bb5 0-0 10. Bxc6 bxc6 11. Nge2 Ba6 12. 0-0 Bxc3 13. bxc3 Re8 14. Rfe1 Qe7 15. Be3 Ne4 16. Ng3 Nxg3 17. hxg3 Bc4 18. Qa4 Qd7 19. Rab1 h5 20. Bd2 Re6 21. Rxe6 Qxe6 22. Re1 Qg6 23. Bf4 a6 24. a3 a5 25. Qd1 Bd3 26. Qb3 Qg4 27. Qb7 Qc8 28. Qe7 Qf8 29. Qb7 Qc8 30. Qe7 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.03"]
[Round "2.3"]
[White "Kejna, Piotr"]
[Black "Litner, Igor"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2267"]
[BlackElo "1954"]
[PlyCount "45"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Bialoleka Sparta"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. f3 g6 4. e5 e6 5. c3 c5 6. f4 Nc6 7. Nf3 Qb6 8. a3 Nh6 9. Bd3 Bd7 10. Bc2 cxd4 11. cxd4 Nf5 12. Bxf5 gxf5 13. Nc3 Na5 14. 0-0 Rc8 15. Rf2 Qb3 16. Qe1 Nc4 17. Nd2 Nxd2 18. Qxd2 Be7 19. Rf3 Qc4 20. Qd1 Bd8 21. Be3 Ba5 22. Bf2 Qa6 23. Rc1 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2023.09.02"]
[Round "1.9"]
[White "Reichel, Lukasz"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "1928"]
[BlackElo "2267"]
[PlyCount "88"]
[EventDate "2023.09.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zarow Goniec"]
[BlackTeam "Legnica Miedz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Qb6 7. Nb3 e6 8. Qd2 Be7 9. f3 a6 10. 0-0-0 Bd7 11. Kb1 Qc7 12. g4 Ne5 13. Nd4 b5 14. Bd3 b4 15. Nce2 a5 16. Be3 a4 17. g5 Nh5 18. f4 Nxd3 19. Qxd3 Qb7 20. Ng3 Nxg3 21. hxg3 a3 22. b3 Rc8 23. e5 Rc3 24. Qd2 dxe5 25. fxe5 Bc5 26. Rhe1 Qd5 27. Nf5 Qxd2 28. Nxg7+ Ke7 29. Bxc5+ Rxc5 30. Rxd2 Rg8 31. Nh5 Rxg5 32. Nf6 Rcxe5 33. Rxd7+ Kxf6 34. Rf1+ Ref5 35. Rxf5+ exf5 36. Kc1 Rxg3 37. Rb7 Rg4 38. Kd2 h5 39. c4 bxc3+ 40. Kxc3 Rg2 41. b4 Rxa2 42. Kb3 Ra1 43. b5 f4 44. b6 f3 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "2"]
[White "Bartnik, Michal"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1512"]
[BlackElo "2235"]
[PlyCount "108"]
[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. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. Bb3 Na5 11. 0-0 Rc8 12. Kh1 Nc4 13. Bxc4 Rxc4 14. Nb3 a6 15. Bh6 Be6 16. Bxg7 Kxg7 17. a4 Qc7 18. a5 Rc8 19. Ra3 Nd7 20. Nd4 Rc5 21. Nxe6+ fxe6 22. Rfa1 Ne5 23. Rb3 Rxa5 24. Rxa5 Qxa5 25. h3 b5 26. Qg5 Qd8 27. Qe3 Nc4 28. Qd4+ Kg8 29. Qa7 Ra8 30. Qd4 Qc7 31. Qd3 Ne5 32. Qe3 Rc8 33. Qg5 Nf7 34. Qg4 Qc4 35. Kh2 Ne5 36. Qg5 Rc7 37. h4 b4 38. Na4 Qxc2 39. Qe3 a5 40. Nb6 Nc4 41. Nxc4 Qxc4 42. Rd3 a4 43. Rd4 Qc5 44. Qd3 a3 45. bxa3 bxa3 46. Ra4 Qe5+ 47. Kh3 Rc1 48. Ra8+ Kg7 49. g3 Qb2 50. Kg4 Rh1 51. Kf4 h5 52. Qe3 Qc1 53. Kg5 e5 54. f4 Qxe3 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "10"]
[White "Demski, Michal"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1966"]
[BlackElo "2235"]
[PlyCount "59"]
[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. b3 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. gxf3 e6 5. e3 Nf6 6. d4 c6 7. Bd3 Qc7 8. Nd2 Nbd7 9. f4 h6 10. h4 h5 11. Nf3 a5 12. a3 Be7 13. Ne5 Nxe5 14. fxe5 Nd7 15. c4 Qd8 16. Qf3 Bxh4 17. Ke2 Qe7 18. cxd5 cxd5 19. a4 g5 20. Ba3 g4 21. Qg2 Qg5 22. Rac1 Qd8 23. Bb5 Be7 24. Bxe7 Kxe7 25. Qg3 f6 26. exf6+ Kxf6 27. Qd6 Rh7 28. Rc7 Nf8 29. Qf4+ Kg6 30. Bd3# 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Gbiorczyk, Mikolaj1111"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2235"]
[BlackElo "1786"]
[PlyCount "91"]
[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. b3 Nf6 3. Nc3 d6 4. Bb2 Nc6 5. Bb5 e5 6. Nge2 Bd7 7. Bc4 Be7 8. 0-0 0-0 9. f4 exf4 10. Nxf4 a6 11. a4 Ne5 12. Bd5 Bc6 13. d3 Nfd7 14. Qh5 Bf6 15. Rae1 g6 16. Qh3 Bg7 17. Kh1 Rb8 18. Re3 b5 19. Rg3 Kh8 20. axb5 axb5 21. Nd1 Bxd5 22. Nxd5 c4 23. b4 cxd3 24. cxd3 Nb6 25. N1e3 Nxd5 26. Nxd5 Ra8 27. Bd4 Ra3 28. Bxe5 Bxe5 29. Rgf3 f6 30. Qh6 Ra7 31. Rh3 Rg8 32. Qh4 Qf8 33. Qf2 Rf7 34. Qb6 Qb8 35. Qe3 Qa7 36. Qh6 Qb8 37. Qd2 Qc8 38. d4 Qc4 39. Rd1 f5 40. dxe5 fxe4 41. Ne3 Qb3 42. exd6 Rgf8 43. Qd4+ Kg8 44. Rg1 Rd7 45. Ng4 Qf7 46. Nh6# 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Wiatrowski, Zbigniew"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2235"]
[BlackElo "1812"]
[PlyCount "93"]
[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. b3 e5 3. Bb2 Nc6 4. Bc4 Nf6 5. d3 a6 6. a4 d5 7. exd5 Nxd5 8. Ne2 Nb6 9. 0-0 Be7 10. f4 Nxc4 11. bxc4 Bf6 12. Nd2 0-0 13. Ne4 Bg4 14. Nxf6+ Qxf6 15. fxe5 Qg5 16. Qc1 Qxc1 17. Nxc1 Rae8 18. Nb3 Nxe5 19. Nxc5 Bc8 20. Ba3 f6 21. Ne4 Bg4 22. Bxf8 Kxf8 23. Rab1 Re7 24. Nc5 Be2 25. Rfe1 Bg4 26. Kf2 Bc8 27. h3 Rc7 28. Ne4 Bd7 29. a5 Bc6 30. Nc5 Kf7 31. Ne4 Kf8 32. g4 Kg8 33. g5 Kf7 34. gxf6 gxf6 35. Ng5+ fxg5 36. Rxe5 Kf6 37. Rbe1 Kg6 38. Rg1 h6 39. h4 Rf7+ 40. Ke1 Rf3 41. hxg5 hxg5 42. Rexg5+ Kf6 43. R5g3 Ke5 44. Rxf3 Bxf3 45. Kd2 Kd4 46. Rg5 Bd1 47. c3# 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "4"]
[White "Meers, Hubert"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2223"]
[BlackElo "2235"]
[PlyCount "104"]
[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 e6 2. Qe2 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nf6 6. d4 Be7 7. Bf4 0-0 8. 0-0-0 a6 9. Ne4 Nd5 10. Bg3 f5 11. Nc5 f4 12. Nxe6 Bxe6 13. Qxe6+ Kh8 14. Ne5 Bg5 15. Nf7+ Rxf7 16. Qxf7 fxg3+ 17. Kb1 gxf2 18. Qxf2 Nc6 19. Bd3 Ne3 20. Rde1 Qxd4 21. h4 Bh6 22. Qf7 Ne5 23. Qb3 Nxd3 24. cxd3 Rd8 25. Rhg1 Qxd3+ 26. Qxd3 Rxd3 27. g4 Bf4 28. Rgf1 Bd6 29. Rf3 Bc5 30. b4 Bxb4 31. Rexe3 Rd8 32. Rf7 Bd6 33. Ref3 Kg8 34. g5 g6 35. R7f6 Rd7 36. Re6 Kg7 37. Re8 b6 38. Kc2 c5 39. Ra8 a5 40. Rb3 Rb7 41. Rxa5 Bc7 42. Rxc5 Ra7 43. Rd5 Rxa2+ 44. Rb2 Rxb2+ 45. Kxb2 Bg3 46. Rd7+ Kg8 47. Rd4 Be5 48. Kc3 Bxd4+ 49. Kxd4 Kf7 50. Kc4 Ke6 51. Kb5 Kf5 52. Kxb6 Kg4 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "9"]
[White "Zalega, Maciej"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1871"]
[BlackElo "2235"]
[PlyCount "116"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 Bb5 7. Bxb5+ Qxb5 8. b4 cxd4 9. cxd4 Ne7 10. Nc3 Qa6 11. Be3 Nf5 12. Qa4+ Qxa4 13. Nxa4 Nd7 14. Rc1 a5 15. Nc5 b6 16. Nxd7 Kxd7 17. Rb1 axb4 18. axb4 Ra4 19. Bd2 Be7 20. g4 Nh4 21. Nxh4 Bxh4 22. Ke2 Rc8 23. Rhc1 Ra2 24. Rxc8 Kxc8 25. Rc1+ Kb7 26. f4 Be7 27. Kd3 Ra3+ 28. Ke2 Rh3 29. Rh1 Rb3 30. f5 Bxb4 31. Bxb4 Rxb4 32. fxe6 fxe6 33. Kd3 Rb3+ 34. Ke2 Rb2+ 35. Ke3 Rg2 36. h3 Rg3+ 37. Ke2 b5 38. Rf1 Kb6 39. Rf7 b4 40. Re7 b3 41. Rxe6+ Kb5 42. Re8 Kc4 43. e6 b2 44. Rb8 Kxd4 45. Kf2 Re3 46. Rxb2 Rxe6 47. Rb7 Rg6 48. Kf3 Kc3 49. h4 d4 50. g5 h6 51. Kf4 d3 52. Kf5 Rd6 53. Rc7+ Kd4 54. Rc1 d2 55. Rg1 Ke3 56. g6 d1Q 57. Rxd1 Rxd1 58. Ke6 Rf1 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "8"]
[White "Demski, Michal"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1963"]
[BlackElo "2037"]
[PlyCount "72"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. gxf3 e6 5. d4 Nf6 6. c4 c6 7. Nd2 Qc7 8. e3 Nbd7 9. f4 h6 10. h4 h5 11. Nf3 Ne4 12. Ng5 Qa5+ 13. Ke2 Nc3+ 14. Bxc3 Qxc3 15. Kf3 Nf6 16. Rc1 Qa5 17. Qc2 Ba3 18. Rd1 Rd8 19. Bh3 Rh6 20. c5 Nd7 21. Rhg1 Nf8 22. Rb1 Qb4 23. Rbd1 Rd7 24. f5 exf5 25. Bxf5 Re7 26. Kg2 Rf6 27. Nf3 Qa5 28. Ne5 Bxc5 29. f4 Bb6 30. Kh2 g6 31. Bd3 Qb4 32. Rg3 Bxd4 33. Bxg6 Bxe5 34. a3 Qd6 35. Bxf7+ Rfxf7 36. fxe5 Qxe5 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "11"]
[White "Fiszer, Bartosz"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2077"]
[BlackElo "2037"]
[PlyCount "32"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c5 7. dxc5 Qa5+ 8. Nbd2 Qxc5 9. 0-0 Qh5 10. c4 Nc6 11. Re1 Bh3 12. Rb1 Rad8 13. Bxh3 Qxh3 14. e4 Ne5 15. Nf1 Nfg4 16. Nxe5 Bxe5 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Dziewonski, Dariusz"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2037"]
[BlackElo "1962"]
[PlyCount "57"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ Kf8 11. Qxb4+ Qe7 12. Qxe7+ Kxe7 13. 0-0 Kd8 14. Re1 Nf6 15. Nc3 d6 16. d5 Bd7 17. Nd4 Re8 18. Rxe8+ Kxe8 19. f4 Kf7 20. Rd1 Re8 21. h3 h5 22. Kf2 Ne4+ 23. Nxe4 Rxe4 24. Kf3 Re8 25. g4 hxg4+ 26. hxg4 Rh8 27. Rc1 c6 28. Kg3 Rc8 29. dxc6 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "7"]
[White "Kejna, Piotr"]
[Black "Krasniewski, Maciej"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2037"]
[BlackElo "1763"]
[PlyCount "47"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 a6 5. f4 c5 6. dxc5 Qa5 7. Qd2 Bxc3 8. bxc3 Qxc5 9. Bh4 Nd7 10. Nf3 Ngf6 11. Bd3 b6 12. Bf2 Qc7 13. 0-0 Bb7 14. Rfe1 Nc5 15. Bd4 0-0 16. e5 Nfe4 17. Bxe4 Nxe4 18. Qe3 dxe5 19. fxe5 Rac8 20. Qh6 Qc6 21. e6 Nf6 22. Re2 Rcd8 23. Bxf6 exf6 24. e7 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "10"]
[White "Kejna, Piotr"]
[Black "Krawczyk, Flawian"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2037"]
[BlackElo "2015"]
[PlyCount "110"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. f4 e6 7. Nf3 a6 8. Bxc6 Bxc6 9. Qe2 Be7 10. e5 Nd5 11. Nxd5 Bxd5 12. 0-0-0 0-0 13. Rhg1 a5 14. g4 a4 15. c4 Bxf3 16. Qxf3 dxe5 17. fxe5 axb3 18. axb3 Bg5 19. Qf2 b6 20. Kc2 f6 21. Qe2 Qd7 22. Qe4 fxe5 23. h4 Bf4 24. d3 Ra2 25. Ra1 Rxa1 26. Rxa1 Bg3 27. Bxe5 Bxh4 28. Ra8 Bf6 29. Rxf8+ Kxf8 30. Bf4 h6 31. Qa8+ Kf7 32. Be3 e5 33. Qe4 Qa7 34. Bc1 Qc7 35. Bb2 Qd6 36. Bc3 g6 37. Bd2 Bg7 38. Qf3+ Kg8 39. Qe4 h5 40. gxh5 gxh5 41. b4 Bf8 42. Qg2+ Kh7 43. Qe4+ Qg6 44. Qxe5 cxb4 45. Qc7+ Kg8 46. Qd8 Kf7 47. Qc7+ Kg8 48. Qd8 h4 49. Bxb4 Qg2+ 50. Kb3 Qf1 51. Bxf8 Qxf8 52. Qxh4 Qd6 53. Qe4 Kf7 54. d4 Qc7 55. Qh7+ Ke6 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Bartoszczuk, Adam"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2037"]
[BlackElo "1462"]
[PlyCount "85"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. f4 a6 7. Bxc6 Bxc6 8. Qe2 e6 9. Nf3 Be7 10. d4 d5 11. e5 Ne4 12. 0-0 Nxc3 13. Bxc3 0-0 14. Qf2 Rc8 15. a4 cxd4 16. Bxd4 b5 17. a5 b4 18. Bb6 Qd7 19. Nd4 Bb5 20. Rfe1 Rc3 21. Rad1 Bd8 22. f5 Bxb6 23. axb6 exf5 24. Nxf5 Qe6 25. Rxd5 Re8 26. Rd6 Qc8 27. Rd2 Qc6 28. Nd6 Rf8 29. b7 Qc7 30. Re4 Bc6 31. Rxb4 a5 32. Qb6 Qb8 33. Qxa5 Re3 34. Kf2 Rc3 35. Rg4 Bd7 36. Rxg7+ Kxg7 37. Qxc3 Qa7+ 38. Qd4 Qxd4+ 39. Rxd4 Rb8 40. Rc4 h5 41. Rc7 Be6 42. c4 Kf8 43. b4 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "5"]
[White "Kejna, Piotr"]
[Black "Misiek, Stanislaw"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2037"]
[BlackElo "1594"]
[PlyCount "105"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Nd7 7. Nbd2 Bd6 8. 0-0 0-0 9. b3 a5 10. a4 f6 11. Nc4 Qe8 12. Bb2 Nc5 13. Re1 Qh5 14. h3 Ne6 15. Nh2 Qg6 16. Qf3 Bc5 17. Kf1 Nd4 18. Bxd4 Bxd4 19. Rac1 f5 20. Re2 fxe4 21. Qxe4 Bf5 22. Qh4 e4 23. dxe4 Bxe4 24. Nf3 Bxf3 25. gxf3 Bf6 26. Qg4 b5 27. Ne3 Rad8 28. Qe6+ Kh8 29. Qxc6 Qh5 30. Kg2 bxa4 31. bxa4 Be5 32. Ng4 Bf4 33. Rce1 Qg5 34. Re8 h5 35. Rxd8 Rxd8 36. Re8+ Rxe8 37. Qxe8+ Kh7 38. Qe4+ Kh8 39. h4 Qxh4 40. Qxf4 hxg4 41. Qf8+ Kh7 42. Qf5+ Kh8 43. fxg4 Qe7 44. Qh5+ Kg8 45. Qd5+ Kh8 46. Qc4 Qd6 47. Kf3 Qd1+ 48. Kg2 Qd6 49. Qe4 Qb6 50. g5 Qc5 51. g6 Qg5+ 52. Kf1 Qd8 53. Qh1+ 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Stanislawski, Karol"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2037"]
[BlackElo "1811"]
[PlyCount "68"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Bg5 Be7 9. Bxf6 Nxf6 10. Qe2 0-0 11. c3 Nxe4 12. Bxe4 Bxe4 13. Qxe4 Qd5 14. Qg4 c5 15. Rfe1 Bf6 16. dxc5 Qxc5 17. Nd2 Qg5 18. Qe2 Be7 19. Ne4 Qa5 20. Qc4 Rac8 21. Qb3 b6 22. Re3 Rcd8 23. Rae1 Qd5 24. Qa4 a5 25. c4 Qd4 26. Nc3 Bb4 27. Qb5 Qc5 28. a4 Rd2 29. Qxc5 Bxc5 30. R3e2 Rfd8 31. Rxd2 Rxd2 32. Re2 Rd4 33. Re4 Rd2 34. Re2 Rd4 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "4"]
[White "Lonski, Aleksander"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1805"]
[BlackElo "2037"]
[PlyCount "150"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Be7 7. 0-0 0-0 8. Be3 Qb6 9. dxc5 Bxc5 10. Bxc5 Qxc5 11. Nbc3 Nc6 12. Bxc6 bxc6 13. Qd4 Qf5 14. Rac1 Bb7 15. Ng3 Qg6 16. Rfd1 h5 17. Nce4 Nxe4 18. Qxe4 Qg5 19. Qe3 Qa5 20. a3 Rfd8 21. h3 Qb5 22. Qb3 h4 23. Ne4 Qb6 24. Nd6 Ba6 25. Nc4 Bxc4 26. Qxc4 Qxb2 27. Qxh4 Rxd1+ 28. Rxd1 Qxa3 29. Rd8+ Rxd8 30. Qxd8+ Qf8 31. Qa5 Qb8 32. c3 Qb6 33. Qa3 c5 34. Qa4 Kf8 35. g3 a6 36. Qd1 Ke7 37. Qa4 Qb5 38. Qf4 g6 39. Qh4+ Kd7 40. Qf6 Qb1+ 41. Kh2 Qf5 42. Qh4 Qxf2+ 43. Kh1 Qe1+ 44. Kg2 Qd2+ 45. Kh1 Qd1+ 46. Kg2 Qc2+ 47. Kh1 Qc1+ 48. Kg2 Qb2+ 49. Kh1 Qb1+ 50. Kg2 Qa2+ 51. Kh1 Qa1+ 52. Kg2 Qb2+ 53. Kh1 Qc1+ 54. Kg2 Qc2+ 55. Kh1 a5 56. Qc4 Qd1+ 57. Kh2 Qd2+ 58. Kg1 Qd6 59. Qb5+ Ke7 60. Qb7+ Kf8 61. Qf3 Kg7 62. h4 a4 63. Kh2 a3 64. Qe2 Qd5 65. g4 a2 66. Qb2 Qe5+ 67. Kh3 Qe3+ 68. Kh2 Qf4+ 69. Kh3 Qf3+ 70. Kh2 Qxg4 71. Qxa2 Qxh4+ 72. Kg2 Qg5+ 73. Kh3 Qe3+ 74. Kg4 f5+ 75. Kh4 g5+ 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "2"]
[White "Wierzbicki, Dawid"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "1721"]
[BlackElo "2037"]
[PlyCount "88"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. e4 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nf3 Nc6 10. Bg5 Nb4 11. 0-0 Re8 12. Nb5 Na6 13. Rad1 Nxe4 14. Bd8 Be6 15. Nxc7 Raxd8 16. Nxe8 Rxe8 17. Nxe5 Bxe5 18. Bxe4 Bxc4 19. Rfe1 Bxb2 20. Bxb7 Rxe1+ 21. Rxe1 Nc5 22. Bc6 Nd3 23. Re8+ Kg7 24. Kg2 Ne5 25. Bb7 Bxa2 26. f4 Nd3 27. Be4 Nc5 28. Bf3 Bd4 29. Rd8 Ne6 30. Rd7 Bc5 31. h4 a5 32. Bc6 Bb3 33. Rb7 a4 34. Rb5 Nd4 35. Rxc5 Nxc6 36. Kf2 Nb4 37. Ke3 a3 38. Ra5 a2 39. Kd2 Nc2 40. Rxa2 Bxa2 41. Kxc2 h5 42. Kd3 Kf6 43. Ke4 Bb1+ 44. Kf3 Kf5 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "6"]
[White "Zalega, Maciej"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1954"]
[BlackElo "2037"]
[PlyCount "83"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[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 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. g4 Nxd4 10. Bxd4 Be6 11. h4 Qa5 12. a3 Rfc8 13. h5 Rab8 14. Rh2 b5 15. h6 Bh8 16. b4 Qd8 17. g5 Ne8 18. Bxh8 Kxh8 19. Qd4+ Kg8 20. Nxb5 a5 21. c4 Bd7 22. Rd2 e5 23. Qe3 Bxb5 24. cxb5 axb4 25. axb4 Nc7 26. f4 exf4 27. Qxf4 Ne6 28. Qf6 Qb6 29. Rf2 Qe3+ 30. Be2 Rb7 31. Kf1 Qxg5 32. Bc4 Qxh6 33. Bd5 Rbc7 34. Kg2 Re8 35. b6 Rd7 36. b7 Qg5+ 37. Qxg5 Nxg5 38. Ra8 Rdd8 39. Rxd8 Rxd8 40. Rc2 Ne6 41. Bxe6 fxe6 42. Rc8 1-0

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.19"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Redzisz, Michal"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2235"]
[BlackElo "2229"]
[PlyCount "49"]
[EventDate "2023.08.11"]
[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 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. 0-0 d6 6. d3 Bxc3 7. bxc3 h6 8. Re1 Re8 9. Bb3 Nc6 10. c4 Ne7 11. c5 Ng6 12. cxd6 Qxd6 13. Qd2 c5 14. Qc3 Bg4 15. Nd2 b5 16. Nf1 Rac8 17. Ne3 Bd7 18. f3 Nf4 19. a4 a6 20. axb5 axb5 21. Ra7 g6 22. Qa5 h5 23. Ra6 Rc6 24. Ra7 Rcc8 25. Ra6 1/2-1/2

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.18"]
[Round "8"]
[White "Luczak, Filip"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2317"]
[BlackElo "2235"]
[PlyCount "105"]
[EventDate "2023.08.11"]
[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. d4 e6 2. Nf3 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. c4 dxc4 7. Ne5 Nxe5 8. dxe5 Qxd1 9. Rxd1 Nd7 10. Na3 Nxe5 11. Nb5 Rb8 12. Be3 f6 13. Nxa7 Bd7 14. a4 b6 15. Bf4 Be7 16. Bxe5 fxe5 17. Bc6 Bxc6 18. Nxc6 Rb7 19. Nxe5 0-0 20. Nxc4 Ra8 21. Ra3 Ra6 22. e3 Rba7 23. Rda1 Kf8 24. Kf1 Bf6 25. Ke2 Ke7 26. Kd3 Kd8 27. Kc2 Kc7 28. Kb3 Rb7 29. h4 Ra8 30. Kc2 Rba7 31. h5 Ra6 32. f4 Kc6 33. g4 h6 34. Kd3 Kc7 35. Ke4 R6a7 36. Kf3 Ra6 37. e4 Bd4 38. e5 Kc6 39. Ke4 R6a7 40. f5 Re8 41. fxe6 Rxe6 42. Rb3 Rb7 43. Rf1 Ree7 44. Rf5 Rb8 45. Rb5 Ra7 46. b3 Bc3 47. g5 hxg5 48. Rxg5 Re7 49. Nxb6 Re6 50. Nc4 Rxb5 51. axb5+ Kxb5 52. Rxg7 Rh6 53. Rg6 1-0

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.17"]
[Round "7"]
[White "Kejna, Piotr"]
[Black "Drazic, Sinisa"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2235"]
[BlackElo "2330"]
[PlyCount "106"]
[EventDate "2023.08.11"]
[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. b3 b6 3. Bb2 Bb7 4. Nc3 Nf6 5. e5 Nd5 6. Qf3 e6 7. Bc4 Nxc3 8. Qxb7 Nc6 9. dxc3 a6 10. Rd1 Ra7 11. Qxc6 dxc6 12. Rxd8+ Kxd8 13. Nf3 Be7 14. Bc1 a5 15. Bg5 h6 16. Bxe7+ Kxe7 17. Bd3 a4 18. Kd2 axb3 19. axb3 Rha8 20. c4 Ra1 21. Rxa1 Rxa1 22. h4 Rb1 23. g3 Kd7 24. Ke2 Rc1 25. Nd2 Ra1 26. Ne4 Ra8 27. Ke3 Ke7 28. Be2 Rf8 29. f4 f6 30. exf6+ gxf6 31. g4 Rh8 32. Bf3 Rh7 33. Kf2 Rh8 34. Ke3 Rh7 35. Ng3 Rg7 36. f5 Rg8 37. fxe6 Kxe6 38. Kf4 Rc8 39. Nf5 b5 40. Nxh6 bxc4 41. bxc4 Rd8 42. Nf5 Rd2 43. Bxc6 Rxc2 44. Bd5+ Kd7 45. h5 Ke8 46. h6 Kf8 47. Kg3 Rc3+ 48. Kh4 Rc2 49. Kh5 Rh2+ 50. Kg6 Rh3 51. Kxf6 Rh2 52. g5 Ra2 53. g6 Ke8 1-0

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.16"]
[Round "6"]
[White "Kejna, Piotr"]
[Black "Kacprzak, Karol1111"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2235"]
[BlackElo "2315"]
[PlyCount "188"]
[EventDate "2023.08.11"]
[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 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. 0-0 Ngf6 8. c3 Bd6 9. Qb3 0-0 10. Bg5 b5 11. Be2 Qb6 12. Nbd2 Bxf3 13. Nxf3 exd4 14. cxd4 Nxe4 15. Be3 Rae8 16. Rac1 a6 17. a4 Qb7 18. Bd3 Nef6 19. Bg5 h6 20. Bh4 Nd5 21. Bb1 g6 22. Bf2 Re6 23. h4 Nf4 24. Kh1 Nf6 25. Qc2 Rc8 26. Rfe1 Qe7 27. Ba2 Re2 28. Qb3 N6d5 29. axb5 axb5 30. Bg3 Rxe1+ 31. Rxe1 Qd7 32. Ne5 Bxe5 33. Rxe5 Nh5 34. Qf3 Re8 35. Rxe8+ Qxe8 36. Be5 Qe6 37. g4 Ng7 38. Kh2 Ne8 39. Bb1 Nef6 40. Kg3 Nd7 41. Qe4 N7f6 42. Qe2 h5 43. gxh5 Nxh5+ 44. Kf2 Qh3 45. Ba2 Qxh4+ 46. Kg1 Qg5+ 47. Kf2 Qf5+ 48. Ke1 Qe6 49. Qg2 Ng7 50. Kd2 f6 51. Bb8 Kf7 52. Qf2 Nf5 53. Bf4 Qe4 54. Qh2 Qxd4+ 55. Kc1 Kg8 56. Bd2 Qe5 57. Qh3 Qe6 58. Qh2 Nd6 59. Bb4 Nf7 60. Bd2 Ne5 61. Qg2 Kg7 62. Qh1 Nf7 63. Qf3 Qe5 64. Qa3 Qe7 65. Qa8 Ne5 66. Kb1 Qd7 67. Qa5 Nc4 68. Bxc4 bxc4 69. Qc5 Qf5+ 70. Ka1 Qe6 71. Qxc4 g5 72. Qd4 Kg6 73. Qd3+ f5 74. Qg3 f4 75. Qd3+ Kh6 76. Qf3 Qf5 77. Qh1+ Kg6 78. Qh8 Qe6 79. Qh1 Nf6 80. Qf1 Ne4 81. Be1 Qd5 82. Qe2 Kf5 83. Qh5 Nf6 84. Qe2 Qe4 85. Qf2 Nd5 86. Bd2 g4 87. Qh4 Qa4+ 88. Kb1 Qd1+ 89. Bc1 g3 90. Qh7+ Kg4 91. Qd7+ Kf3 92. Qf5 Kf2 93. Qh3 f3 94. Qh6 Kg2 0-1

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.14"]
[Round "5"]
[White "Godzwon, Iwo"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2402"]
[BlackElo "2235"]
[PlyCount "65"]
[EventDate "2023.08.11"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 Nc6 7. 0-0 0-0 8. Bg5 Be7 9. a3 Bg4 10. f3 Bh5 11. Nf4 Bg6 12. Nxg6 hxg6 13. Ne2 Ne8 14. Be3 Nd6 15. Qd2 Re8 16. g4 Qd7 17. b3 Bf6 18. Rad1 Qe7 19. Bf2 Ne4 20. fxe4 dxe4 21. Bc4 e3 22. Qd3 exf2+ 23. Rxf2 Rad8 24. Qxg6 Ne5 25. dxe5 Rxd1+ 26. Kg2 Qxe5 27. Qxf7+ Kh8 28. Rf5 Qe4+ 29. Kh3 Qe3+ 30. Ng3 Bg5 31. Rxg5 Qxg5 32. Qxe8+ Kh7 33. Bg8+ 1-0

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.14"]
[Round "4"]
[White "Kejna, Piotr"]
[Black "Janeczko, Jakub"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2235"]
[BlackElo "2255"]
[PlyCount "46"]
[EventDate "2023.08.11"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 b5 10. Bb3 Nbd7 11. Rd1 Rc8 12. Bg5 Qc7 13. 0-0 0-0 14. Rd2 Nb6 15. Bxf6 Bxf6 16. Rfd1 Rfd8 17. h3 h6 18. Nd5 Bxd5 19. Bxd5 Nxd5 20. Rxd5 Qxc2 21. Qxc2 Rxc2 22. Rxd6 Rxd6 23. Rxd6 Rxb2 1/2-1/2

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.13"]
[Round "3"]
[White "Petursson, Margeir"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2423"]
[BlackElo "2235"]
[PlyCount "71"]
[EventDate "2023.08.11"]
[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. c4 e6 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. Rb1 Be7 8. b4 a6 9. 0-0 g5 10. d3 g4 11. Nd2 e5 12. a4 h5 13. b5 axb5 14. axb5 Na5 15. Qc2 f5 16. Nc4 Bf6 17. Nxa5 Rxa5 18. e4 h4 19. exf5 Bxf5 20. Ne4 0-0 21. Be3 Nd5 22. Nxf6+ Nxf6 23. Qc3 b6 24. Qxe5 Bg6 25. gxh4 Qxd3 26. Rb4 c5 27. Rf4 Qd8 28. Bc6 Ra7 29. Bc1 Raf7 30. Bb2 Kh7 31. Qg5 Qd6 32. Be5 Qe6 33. Rd1 Nh5 34. Rxf7+ Rxf7 35. Rd8 Ng7 36. Rd6 0-1

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.12"]
[Round "2"]
[White "Domalchuk Jonasson, Aleksandr"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2412"]
[BlackElo "2235"]
[PlyCount "83"]
[EventDate "2023.08.11"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Be3 e5 7. d5 a5 8. h4 Na6 9. h5 Nc5 10. Qc2 c6 11. h6 Bh8 12. Bxc5 dxc5 13. Nf3 Ne8 14. Nd2 Nd6 15. dxc6 bxc6 16. Na4 Nb7 17. Nb3 Qe7 18. Qc3 Rd8 19. Rd1 Rxd1+ 20. Kxd1 Be6 21. Kc2 f5 22. Kb1 fxe4 23. Qe3 Rd8 24. Naxc5 Nd6 25. Nxe6 Qxe6 26. c5 Nf5 27. Qxe4 Nd4 28. Rd1 Kf7 29. Nxa5 Qf6 30. Nc4 Ke7 31. f3 Qg5 32. Nd6 Rxd6 33. cxd6+ Kxd6 34. f4 Qf5 35. Qxf5 gxf5 36. fxe5+ Bxe5 37. Bc4 c5 38. Bg8 Bf4 39. Rh1 Ke7 40. Bxh7 Kf7 41. Bxf5 Nxf5 42. Rf1 1-0

[Event "Ustron op-A"]
[Site "Ustron"]
[Date "2023.08.11"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Milosevic, Milos"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2235"]
[BlackElo "2417"]
[PlyCount "101"]
[EventDate "2023.08.11"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 b5 8. g5 Nfd7 9. f4 Bb7 10. Bg2 Nc6 11. Qd2 Qc7 12. f5 Nxd4 13. Bxd4 e5 14. Be3 Rc8 15. 0-0 Nb6 16. Bxb6 Qxb6+ 17. Kh1 Rc4 18. g6 hxg6 19. fxg6 f6 20. a3 Qc5 21. Rad1 Be7 22. Qe2 Rh6 23. Rf5 b4 24. axb4 Rxb4 25. Rh5 Rxh5 26. Qxh5 Bf8 27. Qh8 Qc4 28. Rxd6 Ke7 29. Rd8 Kxd8 30. Qxf8+ Kc7 31. Qxg7+ Kb6 32. Qxf6+ Ka7 33. g7 Rxb2 34. Qf2+ Rb6 35. Na4 Qxa4 36. g8Q Qa1+ 37. Bf1 Qa4 38. c4 Bxe4+ 39. Kg1 Qd1 40. Qe6 Qb1 41. Qxe5 Bb7 42. Qd6 a5 43. h4 a4 44. Kh2 Qb3 45. Qdc5 a3 46. Qa5+ Ba6 47. Qf7+ Rb7 48. Qf2+ Rb6 49. c5 Rg6 50. Qc7+ Ka8 51. Qf8+ 1-0

[Event "Pardubice Czech op-A 34th"]
[Site "Pardubice"]
[Date "2023.07.28"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Kenneskog, Theodor"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1940"]
[BlackElo "2346"]
[PlyCount "80"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h3 h6 9. Qd2 Be6 10. 0-0-0 Nbd7 11. g4 Rc8 12. f4 b5 13. Kb1 Qc7 14. g5 hxg5 15. fxg5 Nh5 16. Rh2 Nb6 17. g6 0-0 18. gxf7+ Rxf7 19. Bxb6 Qxb6 20. Be2 Ng3 21. Rg2 Nxe2 22. Qxe2 Rcf8 23. Nd5 Bxd5 24. Rxd5 Rf2 25. Rxf2 Qxf2 26. Qg4 Qf3 27. Qe6+ Rf7 28. a4 bxa4 29. Na5 Bf8 30. Nb7 Kh7 31. Nxd6 Qh1+ 32. Ka2 Rf1 33. Ka3 Qxe4 34. b3 axb3 35. cxb3 Ra1+ 36. Kb2 Qb1+ 37. Kc3 Qe1+ 38. Rd2 Rc1+ 39. Kd3 Qg3+ 40. Ke2 Re1# 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.02"]
[Round "9"]
[White "Turski, Bartlomiej"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2317"]
[BlackElo "1991"]
[PlyCount "160"]
[EventDate "2023.06.24"]
[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 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Be7 6. Nxe4 Nxe4 7. Qxe4 Bf6 8. d4 Qd5 9. Qe3 c5 10. 0-0-0 0-0 11. Nf3 Nc6 12. Bc4 cxd4 13. Bxd5 dxe3 14. Bxc6 Bxb2+ 15. Kxb2 bxc6 16. fxe3 c5 17. c4 Bb7 18. Rd7 Bc6 19. Rd6 Rfc8 20. Rhd1 Kf8 21. Ne5 Be8 22. Ra6 Rc7 23. Ra5 Ke7 24. Nd3 Rac8 25. Nf2 f5 26. Rd2 g5 27. Kc3 h5 28. g3 h4 29. gxh4 gxh4 30. Nd3 Kf6 31. Nf4 Bf7 32. Ra6 Ke5 33. Rdd6 Re7 34. Kd3 Rg8 35. Rdc6 Rd8+ 36. Ke2 Ke4 37. Rxc5 Red7 38. Nd5 Bh5+ 39. Kf2 exd5 40. h3 f4 41. exf4 Rf8 42. Rxd5 Rxf4+ 43. Ke1 Re7 44. Kd2 Bf7 45. Rd3 Rf3 46. Rad6 Rxd3+ 47. Rxd3 Kf4 48. c5 Rc7 49. Rc3 Rd7+ 50. Ke1 Ke4 51. c6 Rc7 52. b4 Bxa2 53. b5 Bd5 54. Kd2 Kd4 55. Ra3 Kc5 56. Ra4 Kxb5 57. Rxh4 Rxc6 58. Rd4 Bb3 59. Rd7 a5 60. h4 a4 61. Ra7 Rh6 62. Kc3 Rxh4 63. Rb7+ Kc6 64. Rb8 Rc4+ 65. Kb2 Rc2+ 66. Ka3 Kc7 67. Rh8 Rc6 68. Rh5 Kb7 69. Rg5 Ka6 70. Kb4 Rb6+ 71. Ka3 Rh6 72. Rg4 Rh3 73. Rg6+ Kb5 74. Rg5+ Bd5+ 75. Kb2 a3+ 76. Kc2 Kc5 77. Rg7 Rh2+ 78. Kc3 Rh1 79. Ra7 a2 80. Kb2 Rb1+ 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.01"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Kacprzak, Karol1111"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1991"]
[BlackElo "2229"]
[PlyCount "104"]
[EventDate "2023.06.24"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Nc6 9. 0-0 0-0 10. Qd2 Bg4 11. Ne1 Rc8 12. Bd5 Qc7 13. h3 Bd7 14. Rd1 b5 15. a3 b4 16. axb4 Nxb4 17. Bb3 Be6 18. Nd3 Nc6 19. Qe2 Bxb3 20. cxb3 Qb7 21. Ra1 Rfd8 22. Nc1 a5 23. Rd1 h6 24. f3 Rd7 25. Ra4 Bd8 26. Qb5 Qxb5 27. Nxb5 d5 28. exd5 Rxd5 29. Rxd5 Nxd5 30. Nd6 Rb8 31. Rc4 Nxe3 32. Rxc6 Bb6 33. Rc8+ Rxc8 34. Nxc8 Bd4 35. Ne7+ Kf8 36. Nc6 Bb6 37. Kh1 f6 38. Nd3 Ke8 39. Nb8 Ke7 40. Na6 Nd5 41. Nac5 Kd6 42. Ne4+ Kc6 43. g3 Bd4 44. Nd2 Ne3 45. h4 f5 46. Kh2 Kd5 47. Kh3 h5 48. Kh2 Nd1 49. Nc4 a4 50. Nb4+ Kc5 51. Nd3+ Kd5 52. Nb4+ Ke6 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.30"]
[Round "7"]
[White "Ochedzan, Tymon"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "2310"]
[BlackElo "1991"]
[PlyCount "88"]
[EventDate "2023.06.24"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6 7. Nb3 e6 8. Bxf6 gxf6 9. Qh5 Bd7 10. h4 Ne5 11. Be2 0-0-0 12. f4 Ng6 13. Qf3 h5 14. g3 f5 15. 0-0-0 fxe4 16. Nxe4 Bc6 17. Qc3 Kb8 18. Bf3 Rc8 19. Qd3 d5 20. Ng5 Bb5 21. Qd4 Qc7 22. Rh2 Bd6 23. Kb1 a5 24. Qf2 Be8 25. Qe2 a4 26. Nd4 a3 27. Nb3 Ne7 28. Qd3 Nc6 29. Qc3 Rh6 30. Re2 Qb6 31. Qe3 Qa6 32. Qd3 Qa8 33. c3 axb2 34. Rxb2 Ba3 35. Rg2 Na5 36. f5 Ba4 37. Nxf7 Rf6 38. fxe6 Nxb3 39. axb3 Bxb3 40. Re1 Qa5 41. Qe3 Rxc3 42. Qe5+ Ka8 43. Qxf6 Bc2+ 44. Rxc2 Rb3+ 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.29"]
[Round "6"]
[White "Kejna, Piotr"]
[Black "Luberanski, Jakub"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1991"]
[BlackElo "2228"]
[PlyCount "62"]
[EventDate "2023.06.24"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 Nf6 8. e5 Nd5 9. Nxd5 Bxd5 10. 0-0 Qc7 11. f4 Bc5 12. Be3 0-0 13. Bf3 Bxf3 14. Rxf3 f6 15. Nb3 Bxe3+ 16. Rxe3 fxe5 17. fxe5 Nc6 18. Qd6 Qxd6 19. exd6 Rf5 20. Rf1 Rd5 21. Rd3 Rxd3 22. cxd3 Ne5 23. Nc5 Rc8 24. d4 Nc4 25. Nxd7 Rd8 26. Ne5 Nxd6 27. Nc6 Rd7 28. Re1 Nf5 29. Rxe6 Nxd4 30. Nxd4 Rxd4 31. b4 a5 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.28"]
[Round "5"]
[White "Kejna, Piotr"]
[Black "Sowinski, Pawel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1991"]
[BlackElo "2291"]
[PlyCount "118"]
[EventDate "2023.06.24"]
[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 e6 3. b3 a6 4. Bb2 Nc6 5. e5 d5 6. exd6 Nf6 7. Nc3 Bxd6 8. Bd3 b6 9. Ne4 Be7 10. 0-0 Bb7 11. Nxf6+ gxf6 12. Be4 Qc7 13. Qe2 0-0-0 14. Rfd1 Rhg8 15. Bxh7 Rg4 16. g3 Rh8 17. Ne1 Rg5 18. Be4 Rhg8 19. Bg2 Rg4 20. Nf3 Nb4 21. c4 f5 22. Ne5 Bxg2 23. Nxg4 Bb7 24. Ne3 Qc6 25. f3 f4 26. Nf1 Qxf3 27. Qxf3 Bxf3 28. Rdc1 Nd3 29. Rc3 Be2 30. Rxd3 Bxd3 31. Be5 fxg3 32. Nxg3 f6 33. Bc3 f5 34. Be5 Bg5 35. Kf2 Rd8 36. Bc3 f4 37. Nh5 Be4 38. b4 cxb4 39. Bxb4 Rh8 40. Re1 Bh4+ 41. Ng3 Bf5 42. Kf3 fxg3 43. hxg3 Bd8 44. c5 b5 45. Bc3 Rg8 46. Be5 Kd7 47. d4 Kc6 48. Ra1 a5 49. a3 Bc7 50. Re1 Bd8 51. Bd6 Bf6 52. Be5 Be7 53. Ke2 Kd5 54. Kd2 b4 55. axb4 axb4 56. Kc1 Bg5+ 57. Kb2 Bd2 58. Rd1 Bc3+ 59. Kb3 Ra8 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.27"]
[Round "4"]
[White "Chojnacki, Krzysztof"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2317"]
[BlackElo "1991"]
[PlyCount "56"]
[EventDate "2023.06.24"]
[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. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 d6 7. Nc3 0-0 8. e4 e5 9. d5 a5 10. Bd3 Nfd7 11. Bc2 Nc5 12. 0-0 a4 13. Nb5 f5 14. exf5 Bxf5 15. Rae1 Nba6 16. Bxf5 Rxf5 17. Nfd4 Qg5 18. Qxg5 Rxg5 19. Nf3 Rg4 20. Rc1 Rf8 21. Rc3 Rgf4 22. Rc2 h6 23. Nd2 Nd3 24. f3 R8f7 25. Ne4 Nac5 26. Nbc3 Nxe4 27. Nxe4 b6 28. Rb1 Nc5 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.26"]
[Round "3"]
[White "Wikar, Martyna"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2176"]
[BlackElo "1991"]
[PlyCount "144"]
[EventDate "2023.06.24"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Be2 Na5 8. Nbd2 Bd7 9. 0-0 Nh6 10. Re1 Nf5 11. Bf1 Be7 12. Rb1 Rc8 13. g4 Nh4 14. Nxh4 Bxh4 15. Nf3 Be7 16. Bf4 Nb3 17. Qe2 h5 18. gxh5 Rxh5 19. Kh1 Ba4 20. Bg2 Kd7 21. Ng1 g6 22. Bf3 Rh7 23. Bg4 Bc6 24. Kg2 Rch8 25. h3 Kc8 26. Nf3 Qd8 27. Qe3 Bd7 28. Rh1 Kb8 29. Bg5 Bxg5 30. Nxg5 Rg7 31. Qf4 Rf8 32. h4 Qe7 33. Qf6 Qxf6 34. exf6 Rgg8 35. Rbe1 Na5 36. f4 Nc6 37. Kf3 Rh8 38. Re2 Be8 39. Reh2 Kc8 40. h5 gxh5 41. Rxh5 Rxh5 42. Rxh5 Nb8 43. f5 Nd7 44. Nh7 Rh8 45. Kf4 Kc7 46. Kg5 Rg8+ 47. Kh4 e5 48. Rh6 exd4 49. cxd4 Rh8 50. Kg5 b5 51. Bf3 Kd6 52. Rh1 a5 53. Re1 b4 54. axb4 axb4 55. Bd1 b3 56. Bf3 Rxh7 57. Rxe8 Rh2 58. Re2 Rh8 59. Bh5 Nxf6 60. Bxf7 Ne4+ 61. Kg6 Rh1 62. Bg8 Rg1+ 63. Kf7 Rc1 64. Bh7 Rc2 65. Re1 Rxb2 66. Rf1 Rf2 67. Ra1 Ng5+ 68. Kg6 b2 69. Rb1 Nxh7 70. Kxh7 c3 71. Kg6 Rg2+ 72. Kf7 Rg3 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.25"]
[Round "2"]
[White "Kejna, Piotr"]
[Black "Goraj, Barbara"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "1991"]
[BlackElo "2176"]
[PlyCount "97"]
[EventDate "2023.06.24"]
[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 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. Bb3 Na5 10. 0-0-0 Nxb3+ 11. axb3 b5 12. f3 Be7 13. g4 Bb7 14. g5 Nd7 15. h4 b4 16. Na4 g6 17. Qf2 Rc8 18. Rd2 Nc5 19. Kb1 e5 20. Ne2 Qa5 21. Nxc5 dxc5 22. h5 Qb5 23. Qh2 c4 24. bxc4 Rxc4 25. Rhd1 a5 26. Rd5 Bxd5 27. Qxe5 0-0 28. h6 f6 29. Qxe7 Qb7 30. gxf6 Rc7 31. f7+ Bxf7 32. Qe5 Bc4 33. Nf4 b3 34. c3 Re7 35. Qg5 Rd7 36. Rxd7 Qxd7 37. Nxg6 Qd3+ 38. Ka1 Qd1+ 39. Bc1 Rd8 40. Ne5+ Kf8 41. Nxc4 a4 42. Ne5 Rd6 43. Qg7+ Ke8 44. Qg8+ Ke7 45. Qxh7+ Ke8 46. Qg8+ Ke7 47. Qg5+ Ke6 48. h7 a3 49. Qg6+ 1-0

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.24"]
[Round "1"]
[White "Dubnevych, Maksym"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2251"]
[BlackElo "1991"]
[PlyCount "59"]
[EventDate "2023.06.24"]
[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. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. Be3 Bb4+ 7. Nd2 0-0 8. a3 Bxd2+ 9. Qxd2 d6 10. Bd3 f5 11. Ne2 Qe7 12. Nc3 Be6 13. 0-0 Na5 14. exf5 Bxc4 15. b4 Bxd3 16. Qxd3 Nac6 17. Nd5 Qf7 18. Rae1 Nd8 19. Bd2 c6 20. Ne7+ Kh8 21. Qxd6 a5 22. Bc3 axb4 23. Bxb4 Qf6 24. Ng6+ hxg6 25. Qxf8+ Qxf8 26. Bxf8 Nd7 27. Re8 Nf6 28. Rfe1 gxf5 29. Bd6+ Kh7 30. Rf8 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "7"]
[White "Aydincelebi, Kagan"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2280"]
[BlackElo "2027"]
[PlyCount "95"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 g6 7. c3 Bg7 8. d4 cxd4 9. cxd4 0-0 10. Nc3 Nc6 11. Bg5 Rac8 12. Qe2 Ne8 13. Rad1 Nc7 14. d5 Ne5 15. Nd4 Na6 16. Ndb5 Nc4 17. b3 Nb6 18. Nb1 Nb4 19. Rc1 Rxc1 20. Rxc1 f6 21. Be3 Nxa2 22. Rc7 Qe8 23. Nxa7 Nb4 24. Bxb6 f5 25. Qb5 Qxb5 26. Nxb5 fxe4 27. N1c3 Ra8 28. g3 Ra1+ 29. Kg2 Rc1 30. Nxe4 Rb1 31. Ng5 Rxb3 32. Rc8+ Bf8 33. Ne6 h5 34. Rxf8+ Kh7 35. Rf7+ Kh6 36. Be3+ g5 37. Rg7 h4 38. g4 Rxe3 39. fxe3 Nxd5 40. Rxg5 Nxe3+ 41. Kf3 Nf1 42. Nbd4 Nxh2+ 43. Kg2 b5 44. Nf5+ Kh7 45. Rg7+ Kh8 46. Nf4 h3+ 47. Kxh3 Nf3 48. Ng6# 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "4"]
[White "Burke, John F"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "2013"]
[BlackElo "2027"]
[PlyCount "136"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. e3 0-0 5. Nc3 a5 6. Bd3 d6 7. Nge2 Nbd7 8. h3 Qe7 9. 0-0 e4 10. Bc2 Ne5 11. b3 Bf5 12. Ng3 Bg6 13. Kh2 Nfd7 14. Ncxe4 f5 15. Nxc5 Nxc5 16. f4 Ng4+ 17. hxg4 Qh4+ 18. Kg1 Qxg3 19. gxf5 Bxf5 20. Bxf5 Rxf5 21. Qf3 Qh4 22. e4 Rh5 23. Bb2 Rf8 24. f5 Nxe4 25. Qh3 Qg5 26. Qf3 Nd2 27. Qc3 Nxf1 28. Rxf1 Rh4 29. Rf3 Rg4 30. g3 Rxf5 31. Kg2 Rxf3 32. Qxf3 Qd2+ 33. Qf2 Qxf2+ 34. Kxf2 a4 35. Kf3 Rg6 36. g4 axb3 37. axb3 Rh6 38. Kf4 Rh2 39. Bd4 Rh3 40. b4 Rb3 41. b5 Rb4 42. Kf5 Rxc4 43. Be3 Rb4 44. Ke6 Rxg4 45. Kd7 Rb4 46. Kxc7 Rxb5 47. Kxd6 Kf7 48. Bc5 h5 49. Bf2 Rb3 50. Kc5 Rf3 51. Bd4 Ke8 52. Kb6 Kd7 53. Kxb7 h4 54. Bxg7 h3 55. Be5 Rf5 56. Bh2 Rxd5 57. Bg3 Rd3 58. Bh2 Rd2 59. Bf4 Rb2+ 60. Ka6 h2 61. Bxh2 Rxh2 62. Kb5 Kd6 63. Kc4 Kc6 64. Kd3 Rh4 65. Ke3 Kd5 66. Kd3 Rh3+ 67. Ke2 Ke4 68. Kf2 Rf3+ 0-1

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "5"]
[White "Kejna, Piotr"]
[Black "Florescu, Codrut Constantin"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2245"]
[PlyCount "191"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 a6 3. Bb2 Nc6 4. f4 e6 5. Nf3 d5 6. exd5 exd5 7. Be2 Nf6 8. 0-0 Be7 9. Ne5 0-0 10. Bf3 Nd4 11. Nc3 Nxf3+ 12. Qxf3 Qd6 13. Rae1 b5 14. g4 Bb7 15. d4 Rab8 16. g5 Ne4 17. Nxe4 dxe4 18. Qe3 Rbd8 19. c3 cxd4 20. cxd4 Rc8 21. Re2 Bd5 22. Ng4 f6 23. h4 Qd7 24. Rg2 Kh8 25. h5 fxg5 26. fxg5 Rxf1+ 27. Kxf1 Qf5+ 28. Nf2 Rc2 29. Bc1 Qf3 30. Rg3 Qxe3 31. Bxe3 Rxa2 32. Rg4 Bd6 33. Nxe4 Ra1+ 34. Ke2 Be7 35. Nc5 a5 36. Rf4 Kg8 37. Rf5 Be6 38. Re5 Bg4+ 39. Kd3 Bxc5 40. dxc5 Bxh5 41. c6 Bg4 42. c7 a4 43. Re8+ Kf7 44. c8Q Bxc8 45. Rxc8 axb3 46. Kc3 b2 47. Kxb2 Re1 48. Bd2 Re2 49. Kc1 Kg6 50. Rc6+ Kf5 51. Rb6 Re5 52. Rb7 Kg6 53. Rb6+ Kh5 54. Rb7 Kg6 55. Kc2 Rf5 56. Kc1 h5 57. gxh6 gxh6 58. Rb6+ Rf6 59. Rxb5 h5 60. Rg5+ Kf7 61. Rxh5 Rd6 62. Kd1 Ke6 63. Ke2 Rd5 64. Rh6+ Ke5 65. Rg6 Kf5 66. Rg5+ Ke4 67. Rg8 Re5 68. Be3 Kd5 69. Kd3 Ke6 70. Ra8 Rd5+ 71. Bd4 Rd7 72. Ke4 Kd6 73. Ra6+ Kc7 74. Be5+ Kb7 75. Rg6 Rd1 76. Bd4 Kc7 77. Kd5 Kb7 78. Rg7+ Ka6 79. Kc5 Rc1+ 80. Kd6 Kb5 81. Rb7+ Ka6 82. Ra7+ Kb5 83. Rb7+ Ka6 84. Rb6+ Ka5 85. Rb8 Ka6 86. Bc5 Ka5 87. Kc6 Ka4 88. Rb4+ Ka5 89. Rb3 Ra1 90. Rb8 Ka4 91. Ra8+ Kb3 92. Rxa1 Kb2 93. Ra5 Kb3 94. Rb5+ Kc4 95. Rb4+ Kc3 96. Rd4 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Ivic, Velimir"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2589"]
[PlyCount "108"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 Nf6 5. Nc3 Be7 6. Nge2 d6 7. 0-0 0-0 8. f4 Be6 9. f5 Bxc4 10. bxc4 Nd4 11. d3 a6 12. a4 Rb8 13. Bc1 Ne8 14. Nd5 Bg5 15. Nxd4 cxd4 16. Ba3 Nc7 17. f6 gxf6 18. Qh5 Nxd5 19. cxd5 Kh8 20. Rf3 Rg8 21. Raf1 Rc8 22. Bc1 Rxc2 23. Rh3 Rg7 24. Bxg5 fxg5 25. Rxf7 Rc1+ 26. Kf2 Rc2+ 27. Kf1 Qg8 28. Rxg7 Qxg7 29. Qe8+ Qg8 30. Qe6 Qxe6 31. dxe6 Kg7 32. Rf3 Rc8 33. Rf7+ Kg6 34. Rxb7 Re8 35. e7 Kf6 36. Rb6 Kxe7 37. Rxa6 Rc8 38. Ra7+ Ke6 39. Rxh7 Rc2 40. Ra7 Rd2 41. a5 Rxd3 42. a6 Ra3 43. Ra8 Kd7 44. a7 Kc7 45. Rg8 Rxa7 46. Rg7+ Kb6 47. Rxa7 Kxa7 48. g3 g4 49. h4 gxh3 50. g4 d3 51. g5 h2 52. Kg2 d2 53. g6 d1Q 54. g7 h1Q+ 0-1

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Sabar, Ethmane Daouda"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2027"]
[BlackElo "2040"]
[PlyCount "97"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. 0-0 Bc5 7. Nbd2 0-0 8. Ne4 Be7 9. Re1 h6 10. Ng3 Qd6 11. c3 Be6 12. Bb3 f5 13. Qe2 Bf6 14. Bc2 Rae8 15. Bd2 Kh7 16. Rad1 g6 17. a3 Bf7 18. Qf1 Re7 19. b4 a6 20. c4 Nf4 21. b5 axb5 22. cxb5 Nd4 23. Bb4 Nxf3+ 24. gxf3 Qd5 25. Re3 Rfe8 26. Bxe7 Rxe7 27. a4 Ne6 28. Qg2 f4 29. Ne4 Bg7 30. Ree1 Nd4 31. Rc1 Qa2 32. Bd1 Be6 33. Rc5 Bf5 34. Rf1 Qe6 35. Re1 Bh3 36. Qh1 Qf5 37. Be2 Qh5 38. Rcc1 Rf7 39. Rc4 Rf5 40. Rxd4 exd4 41. Bf1 Rg5+ 42. Nxg5+ Qxg5+ 43. Bg2 c6 44. Kf1 Bf5 45. bxc6 Bxd3+ 46. Kg1 bxc6 47. h4 Qd5 48. h5 g5 49. Qh3 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "8"]
[White "Kejna, Piotr"]
[Black "Thiel, Thomas"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2027"]
[BlackElo "2241"]
[PlyCount "41"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. Nf3 Nxd5 5. 0-0 c6 6. Bc4 g6 7. Nc3 Nc7 8. Re1 Bg7 9. d4 0-0 10. Bg5 Nf6 11. Qe2 Be6 12. Rad1 Re8 13. Ne5 Bxc4 14. Qxc4 Nfd5 15. Bh4 Nxc3 16. Qxf7+ Kh8 17. bxc3 Qd5 18. Qf4 Ne6 19. Qg4 Kg8 20. c4 Qd6 21. c5 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2027"]
[BlackElo "2146"]
[PlyCount "119"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 Nf6 4. Qe2 e6 5. Nf3 d5 6. e5 Nfd7 7. Ng5 g6 8. h4 Nc6 9. h5 Bg7 10. hxg6 hxg6 11. Rxh8+ Bxh8 12. Nxe6 Qh4 13. Nxc7+ Kd8 14. Nxa8 Nxd4 15. Qe3 Qh1+ 16. Kd2 Bxe5 17. c3 Ne6 18. g3 d4 19. Qe1 Qf3 20. Kc2 Bxa8 21. Nd2 Qf6 22. f4 dxc3 23. fxe5 cxd2 24. Qxd2 Qxe5 25. Qe3 Qc7+ 26. Kd1 Ne5 27. Bd2 Bf3+ 28. Ke1 Qd6 29. Be2 Bxe2 30. Kxe2 Nd4+ 31. Kd1 Ndf3 32. Rc1 Qd5 33. Rc2 Qxa2 34. Ke2 Qa6+ 35. Kd1 Qf1+ 36. Be1 Nxe1 37. Qxe1 Qf3+ 38. Re2 Nc4 39. Kc1 Nd6 40. Rd2 Qc6+ 41. Kb1 Kd7 42. Qd1 Qe4+ 43. Ka1 Qe6 44. Rd4 Qe5 45. Rd5 Qxg3 46. Qa4+ Ke6 47. Rd1 Qe3 48. Qxa7 g5 49. Qa2+ Kf6 50. Qd5 Nf5 51. Rf1 Qe6 52. Qd4+ Kg6 53. Qd3 g4 54. Rg1 Kg5 55. Qd2+ Qe3 56. Qd8+ Kf4 57. Qc7+ Kf3 58. Rf1+ Kg2 59. Rxf5 g3 60. Qc6+ 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "2"]
[White "Kuchava, Ana"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2101"]
[BlackElo "2027"]
[PlyCount "101"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 Ne8 9. Bf1 f5 10. exf5 gxf5 11. Ng5 exd4 12. Ne6 Qf6 13. Nd5 Qh4 14. Nxf8 Kxf8 15. Rxe8+ Kxe8 16. Nxc7+ Kd8 17. Nxa8 b6 18. Qf3 Ne5 19. Qg3 Qe7 20. Bg5 Bf6 21. Bxf6 Qxf6 22. Qg8+ Kd7 23. Qxh7+ Nf7 24. Bd3 Bb7 25. Qxf5+ Qxf5 26. Bxf5+ Kd8 27. Nxb6 axb6 28. Rd1 Nh6 29. Be6 Ke7 30. Bd5 Bxd5 31. cxd5 Nf5 32. g4 Nh4 33. Kf1 Kf6 34. Rxd4 Ke5 35. Rd1 Nf3 36. Kg2 Nh4+ 37. Kg3 Ng6 38. h4 Kf6 39. h5 Ne5 40. f4 Nf7 41. g5+ Kf5 42. Re1 b5 43. h6 b4 44. Re6 Nh8 45. Rf6+ Ke4 46. g6 b3 47. g7 bxa2 48. Re6+ Kxd5 49. Re1 Nf7 50. g8Q Kc6 51. Qxf7 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "10"]
[White "Martynov, Pavel"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2414"]
[BlackElo "2027"]
[PlyCount "58"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. e5 dxe5 7. Nxe5 Qc7 8. d4 cxd4 9. Bf4 Qb6 10. Na3 Nc6 11. Nac4 Qc5 12. b4 Nxb4 13. Re1 e6 14. Qf3 Nbd5 15. Bc1 b5 16. Ba3 b4 17. Bb2 Be7 18. Rad1 0-0 19. Bxd4 Qc7 20. g4 h6 21. h4 Nh7 22. Qg3 f6 23. g5 hxg5 24. hxg5 fxe5 25. Nxe5 Nxg5 26. Qg4 Qxc2 27. Ng6 Qxg6 28. Be5 Qf5 29. Qg2 Nf3+ 0-1

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "11"]
[White "Sadubayev, Airat"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2308"]
[BlackElo "2027"]
[PlyCount "71"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Nc6 6. Nf3 Bg7 7. h4 Ngxe5 8. Nc3 g4 9. Nxe5 Nxe5 10. e3 d6 11. Be2 f5 12. h5 Be6 13. h6 Bf6 14. Nd5 0-0 15. Nxf6+ Qxf6 16. Qd4 Nc6 17. Qxf6 Rxf6 18. Kd2 Kf7 19. Kc3 Kg6 20. Rad1 b6 21. b3 Ne5 22. Rd2 Rff8 23. Bd1 Bc8 24. Bc2 Bb7 25. Rh2 Nf7 26. Bf4 Ng5 27. f3 gxf3 28. gxf3 Nxf3 29. Rdg2+ Kf6 30. Rh5 Be4 31. Bxe4 fxe4 32. Rg7 Rf7 33. Rf5+ Kxf5 34. Rxf7+ Kg4 35. Rxh7 Rg8 36. Rg7+ 1-0

[Event "Titled Tuesday intern op 21st Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.21"]
[Round "6"]
[White "Souleidis, Georgios"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2421"]
[BlackElo "2027"]
[PlyCount "135"]
[EventDate "2023.02.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Be2 Nc6 3. d3 g6 4. f4 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. c3 d6 8. Kh1 Rb8 9. Be3 b5 10. a3 a5 11. Nbd2 Bb7 12. d4 cxd4 13. cxd4 b4 14. d5 bxa3 15. bxa3 Ng4 16. Bg1 Bxa1 17. Qxa1 Nf6 18. Rc1 Rc8 19. dxc6 Bxc6 20. Bd3 Qd7 21. Bd4 Nh5 22. Be3 Qg4 23. h3 Qd7 24. Kh2 Qb7 25. Rb1 Qa8 26. f5 Rfd8 27. Bg5 Rd7 28. fxg6 hxg6 29. Rf1 Rb7 30. Bh4 f6 31. Qa2+ Kg7 32. Ng5 d5 33. Ne6+ Kh8 34. Nd4 Qb8+ 35. Kh1 dxe4 36. Nxc6 Rxc6 37. Bxe4 Rb2 38. Qf7 Rxd2 39. Qxg6 f5 40. Qxh5+ Kg7 41. Bxc6 Qd6 42. Qg5+ Kf8 43. Bf3 Qf6 44. Qxf6+ exf6 45. Bxf6 Kf7 46. Be5 Ra2 47. Bd6 Ke6 48. Bc5 Kd7 49. Rd1+ Kc7 50. Rc1 Kd8 51. h4 Ke8 52. h5 a4 53. Bb4 Kf7 54. Kh2 Kg7 55. Kg3 f4+ 56. Kxf4 Kh7 57. Kg3 Kh6 58. Rc6+ Kg5 59. Be7+ Kf5 60. Bb4 Kg5 61. Rc5+ Kh6 62. Kg4 Kh7 63. Rc6 Kh8 64. Kg5 Kh7 65. Rc7+ Kh8 66. Kg6 Rc2 67. Rxc2 Kg8 68. Rc8# 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Al Tarbosh, Ward"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2256"]
[PlyCount "68"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. f4 e6 6. Qe2 Nf6 7. Nf3 Be7 8. Nc3 a6 9. Bxc6 Bxc6 10. 0-0-0 b5 11. e5 b4 12. exf6 bxc3 13. Bxc3 Bxf6 14. f5 e5 15. d4 cxd4 16. Nxd4 Bd7 17. Nf3 Bxf5 18. Nxe5 0-0 19. Qf3 Qc8 20. Nc4 Bg4 21. Qg3 Bxc3 22. Qxc3 Bxd1 23. Rxd1 Qc5 24. Rxd6 Rac8 25. Rd1 Rfe8 26. Kb2 h6 27. Qd3 Qg5 28. g3 Qf6+ 29. Kb1 Rcd8 30. Qf1 Rxd1+ 31. Qxd1 Qc3 32. Nd2 Rd8 33. Kc1 Qa1+ 34. Nb1 Rxd1+ 0-1

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Martynov, Pavel"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2414"]
[PlyCount "65"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 a6 3. Bb2 d5 4. exd5 Qxd5 5. Nf3 Nf6 6. Nc3 Qd8 7. Bd3 e6 8. 0-0 Be7 9. Qe2 0-0 10. Ne4 Nbd7 11. Rae1 h6 12. h3 Nd5 13. Ne5 Nf4 14. Qe3 Nxd3 15. Nxd3 Qc7 16. a4 b6 17. a5 bxa5 18. Ba3 Bb7 19. Bxc5 Nxc5 20. Nexc5 Bd5 21. c4 Bc6 22. Nxe6 fxe6 23. Qxe6+ Kh8 24. Qxe7 Qb6 25. Ne5 Rfe8 26. Qh4 Bb7 27. d4 Kg8 28. Re3 Qc7 29. Rg3 Re7 30. Qxh6 Rae8 31. Qg5 Re6 32. h4 Rf6 33. Qxf6 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "2"]
[White "Kejna, Piotr"]
[Black "Necula, Iulian"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2027"]
[BlackElo "1882"]
[PlyCount "81"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 h5 8. Be2 Nxd4 9. Bxd4 Bh6 10. Bxf6 exf6 11. Qd4 0-0 12. Rd1 Bf4 13. Nd5 Be5 14. Qb4 a5 15. Qa3 Be6 16. 0-0 Bxd5 17. Rxd5 Qb6+ 18. Kh1 Qxb2 19. Qxb2 Bxb2 20. Rb1 Ba3 21. Rxb7 Rfb8 22. Rxa5 Rxb7 23. Rxa8+ Kg7 24. g3 Bc5 25. Kg2 Rb2 26. Bd3 g5 27. h3 Rb1 28. f4 g4 29. hxg4 hxg4 30. Be2 Rg1+ 31. Kh2 Rc1 32. Bxg4 Rxc2+ 33. Kh3 Rc3 34. Rc8 Ra3 35. Rc7 Rxa2 36. Be6 Ra1 37. Rxf7+ Kh6 38. Kg4 Kg6 39. Rd7 Ra8 40. Bf5+ Kh6 41. Rh7# 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "6"]
[White "Kejna, Piotr"]
[Black "Prado Lobo, Jonas"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2306"]
[PlyCount "31"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nf3 Bg4 7. Bb2 Qe4+ 8. Be2 Bxf3 9. gxf3 Qf4 10. d4 Nc6 11. d5 0-0-0 12. c4 Ne5 13. Bc1 Nxf3+ 14. Bxf3 Qe5+ 15. Be3 Qxa1 16. Qxa1 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "10"]
[White "Kejna, Piotr"]
[Black "Tan, Jun Ying"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2307"]
[PlyCount "135"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 g6 3. Bb2 Nf6 4. Nc3 d6 5. Nd5 Nbd7 6. Bb5 Bg7 7. Nxf6+ exf6 8. Ne2 0-0 9. Bxd7 Bxd7 10. 0-0 f5 11. Bxg7 Kxg7 12. d3 Qf6 13. Qd2 Bc6 14. f3 Rad8 15. c4 b6 16. a4 a5 17. Rad1 Rfe8 18. Qc3 Qxc3 19. Nxc3 Kf6 20. Rd2 Ke5 21. Kf2 Kf6 22. Rfd1 Re6 23. Ne2 Bb7 24. Ng3 fxe4 25. dxe4 Ke7 26. Ne2 Re5 27. Nc3 f5 28. exf5 gxf5 29. Nb5 d5 30. f4 Re4 31. cxd5 Rxf4+ 32. Kg1 Kd7 33. Re1 Re4 34. Rxe4 fxe4 35. Kf2 Re8 36. Ke3 Re5 37. Nc3 Kd8 38. g4 h6 39. h4 Bc8 40. Nxe4 Bxg4 41. Kf4 Re8 42. Nd6 Rg8 43. Nf7+ Ke7 44. Nxh6 Rh8 45. Nxg4 Rxh4 46. d6+ Kd7 47. Kg5 Rh3 48. Ne5+ Ke6 49. d7 Rg3+ 50. Kf4 Rg8 51. d8Q Rxd8 52. Rxd8 Ke7 53. Rb8 Kd6 54. Rxb6+ Kd5 55. Nc4 Kd4 56. Rb5 Kc3 57. Rxa5 Kxb3 58. Rxc5 Kxa4 59. Rc8 Kb4 60. Nd6 Kb3 61. Ke4 Kb4 62. Kd4 Ka5 63. Ne4 Ka4 64. Kc4 Ka3 65. Kc3 Ka2 66. Kc2 Ka3 67. Rc4 Ka2 68. Ra4# 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "7"]
[White "Korchmar, Vasiliy"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2438"]
[BlackElo "2027"]
[PlyCount "79"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 h6 15. Bc4 Re8 16. h4 Qc7 17. h5 g5 18. g4 Rad8 19. Qf2 Nf4 20. Bb3 Qa5 21. Kb1 Bd5 22. Nd6 Rxd6 23. Bxd6 Bxb3 24. axb3 Nd5 25. Qc5 Qa6 26. Rhe1 Re6 27. c4 Nf4 28. Bxe5 f6 29. Rd8+ Kh7 30. Rd7 Qc8 31. Qxa7 Qg8 32. Red1 Rxe5 33. Rxg7+ Qxg7 34. Rd7 Ne6 35. Rxg7+ Nxg7 36. b4 Re1+ 37. Ka2 Rf1 38. Qd4 Rxf3 39. Qe4+ f5 40. Qxf3 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "8"]
[White "Kumala, Aleksander"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2158"]
[BlackElo "2027"]
[PlyCount "70"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 c5 4. d5 Qb6 5. Nd2 Nxd2 6. Bxd2 Qxb2 7. Nf3 d6 8. e4 Qb6 9. Rb1 Qc7 10. Bc3 Bg4 11. h5 h6 12. Rh4 Bxf3 13. Qxf3 Nd7 14. Rf4 f6 15. Qh3 0-0-0 16. Bb5 Kb8 17. e5 dxe5 18. Ra4 Nb6 19. Ba5 Rxd5 20. c4 Rd6 21. Ra3 e6 22. Rab3 Be7 23. Qg3 Bd8 24. Qg6 Rf8 25. Rg3 Rf7 26. Be8 Re7 27. Ba4 Rd4 28. Bb3 Qd6 29. Kf1 Nxc4 30. Bxd8 Qxd8 31. Bxc4 Rd1+ 32. Ke2 Qd2+ 33. Kf3 Qf4+ 34. Ke2 Rd2+ 35. Ke1 Qxf2# 0-1

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "5"]
[White "Kvaloy, Aksel Bu"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2255"]
[BlackElo "2027"]
[PlyCount "188"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Bg7 6. Nf3 Nc6 7. Nc3 Ngxe5 8. Nxe5 Nxe5 9. e3 d6 10. h4 g4 11. h5 f5 12. h6 Bf6 13. Nd5 Be6 14. Nxf6+ Qxf6 15. Qd4 0-0 16. 0-0-0 a5 17. Be2 Ra6 18. Bh4 Qf7 19. Bg3 Nc6 20. Qc3 Nb4 21. Kb1 Rc6 22. Rh5 Qf6 23. Qxf6 Rxf6 24. b3 Bf7 25. Rhh1 a4 26. Kb2 Ra6 27. a3 axb3 28. axb4 Ra2+ 29. Kxb3 Rxe2 30. Rhe1 Rxe1 31. Rxe1 Rxh6 32. Ra1 b5 33. Kc3 Bxc4 34. Ra7 c6 35. Rd7 Re6 36. Bxd6 Rf6 37. Be5 Rf7 38. Rd8+ Rf8 39. Rd1 Kf7 40. Bf4 Re8 41. Rh1 Kg7 42. Rh5 Kg6 43. Rh6+ Kg7 44. Rxc6 Re6 45. Rc7+ Kg6 46. Kd4 Re4+ 47. Kc3 Re6 48. Rc8 Ra6 49. Kd4 Ra4 50. Kc5 Ra2 51. Bg3 Rc2 52. Kb6 Rd2 53. Rc5 Rb2 54. Ka5 Ra2+ 55. Kb6 Ra4 56. Rxb5 Bxb5 57. Kxb5 Ra2 58. Kc6 Kf7 59. b5 Rc2+ 60. Kd7 Rb2 61. Kc6 Rc2+ 62. Kb7 Ke7 63. b6 Kd7 64. Ka6 Kc6 65. Ka5 Ra2+ 66. Kb4 Kxb6 67. Kc4 Kc6 68. Kd4 Kd7 69. Ke5 Ra5+ 70. Kf6 Ke8 71. Bf4 Kf8 72. g3 Kg8 73. Be5 Ra2 74. Kxf5 Rxf2+ 75. Bf4 h5 76. Kg6 Rh2 77. Bg5 Rh3 78. Bf4 h4 79. Kg5 hxg3 80. Kxg4 g2 81. Kxh3 g1Q 82. Bg3 Qxe3 83. Kg2 Kf7 84. Bf2 Qe4+ 85. Kh2 Kg6 86. Bg3 Kf5 87. Bf2 Kg4 88. Kg1 Qf3 89. Kf1 Kh3 90. Ke1 Qe4+ 91. Kd2 Kg2 92. Be3 Kf3 93. Ba7 Qd5+ 94. Kc3 Qa5+ 0-1

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "1"]
[White "Ozen, Bahadir"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2369"]
[BlackElo "2027"]
[PlyCount "51"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d4 Bg7 4. e4 d6 5. Nc3 0-0 6. Nge2 c6 7. a4 Nbd7 8. 0-0 e5 9. h3 Ne8 10. a5 a6 11. b3 f5 12. dxe5 Nxe5 13. f4 Nf7 14. exf5 Bxf5 15. Be3 Nc7 16. g4 Bd7 17. Bb6 Qc8 18. Qd2 d5 19. Rae1 Re8 20. Na4 Nb5 21. Kh1 Nbd6 22. Nc5 Re7 23. Ng3 Qf8 24. Rxe7 Qxe7 25. Re1 Qf8 26. Nxd7 1-0

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "4"]
[White "Souleidis, Georgios"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2421"]
[BlackElo "2027"]
[PlyCount "129"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Be2 d6 3. d3 Nc6 4. f4 g6 5. Nf3 Bg7 6. 0-0 Nf6 7. c3 0-0 8. Kh1 b5 9. a3 Rb8 10. Be3 a5 11. Nbd2 b4 12. d4 cxd4 13. cxd4 d5 14. e5 Nd7 15. Rc1 Rb6 16. a4 e6 17. Nb3 Ba6 18. Bxa6 Rxa6 19. Qd3 Qa8 20. g4 Ne7 21. Rc7 Ra7 22. Rfc1 Rc8 23. Rxc8+ Nxc8 24. f5 Ncb6 25. Nc5 Nxc5 26. dxc5 Nc4 27. Bd4 Rc7 28. b3 Nb6 29. Qe3 Nd7 30. fxe6 fxe6 31. Ng5 Rc6 32. Rf1 Qc8 33. h4 Nxc5 34. h5 Nd7 35. hxg6 hxg6 36. Qh3 Nf8 37. Rxf8+ Kxf8 38. Qf3+ Kg8 39. Qf7+ Kh8 40. Qxg6 Rc1+ 41. Bg1 Rxg1+ 42. Kxg1 Qc1+ 43. Kg2 Qd2+ 44. Kf3 Qd1+ 45. Kf2 Qd2+ 46. Kg1 Qe1+ 47. Kg2 Qe2+ 48. Kh1 Qd1+ 49. Kg2 Qxg4+ 50. Kf2 Qf4+ 51. Kg2 Qg4+ 52. Kf1 Qf4+ 53. Kg2 Qd2+ 54. Kh1 Qe1+ 55. Kg2 Qe2+ 56. Kh3 Qe3+ 57. Kh4 Qf4+ 58. Kh5 Qh2+ 59. Kg4 Qg2+ 60. Kh5 Qh2+ 61. Kg4 Qe2+ 62. Kh4 Qf2+ 63. Kg4 Qg2+ 64. Kh4 Qh2+ 65. Kg4 1/2-1/2

[Event "Titled Tuesday intern op 14th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.14"]
[Round "11"]
[White "Wagh, Suyog"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2313"]
[BlackElo "2027"]
[PlyCount "71"]
[EventDate "2023.02.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nf6 5. Nc3 g6 6. 0-0 Bg7 7. d4 cxd4 8. Nxd4 0-0 9. Bxd7 Qxd7 10. f3 Nc6 11. Be3 Rfc8 12. b3 Nxd4 13. Bxd4 Ne8 14. Rc1 Bxd4+ 15. Qxd4 Nf6 16. Rcd1 Qc6 17. Kh1 Qc5 18. Qd2 Kg7 19. Rfe1 Rc6 20. Re3 a6 21. Nd5 Nxd5 22. exd5 Rc7 23. Rde1 Re8 24. Re4 b5 25. b4 Qa7 26. c5 dxc5 27. d6 Rd7 28. Qc3+ Kg8 29. bxc5 e6 30. Rd1 Red8 31. Red4 Qa8 32. c6 Qc8 33. Qc5 e5 34. Rd5 Qb8 35. cxd7 Rxd7 36. Rxe5 1-0

[Event "Titled Tuesday intern op 31st Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "2"]
[White "Kejna, Piotr"]
[Black "Ozen, Bahadir"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2072"]
[BlackElo "2369"]
[PlyCount "78"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Kc8 8. Nf3 Nbd7 9. Bd3 c6 10. Kb1 b5 11. a3 a6 12. Rd2 Ne8 13. Rhd1 f6 14. Be3 Nd6 15. Ng1 Kc7 16. g3 Nb7 17. f4 Nbc5 18. f5 Bf7 19. Nf3 Nb6 20. Be2 Be8 21. g4 Be7 22. h4 a5 23. g5 b4 24. axb4 axb4 25. Bxc5 Bxc5 26. Na2 Bf7 27. b3 Ra3 28. Kb2 Rha8 29. Ra1 Bh5 30. c3 bxc3+ 31. Kxc3 Bxf3 32. Bxf3 Bd4+ 33. Rxd4 exd4+ 34. Kxd4 Rxa2 35. Rc1 Rd8+ 36. Ke3 Nd7 37. Kf4 Ne5 38. gxf6 gxf6 39. Bh5 Nd3+ 0-1

[Event "Titled Tuesday intern op 31st Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "1"]
[White "Kosteniuk, Alexandra"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2519"]
[BlackElo "2072"]
[PlyCount "127"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 0-0-0 7. Nbd2 cxd4 8. cxd4 e6 9. Bc4 Qa5 10. 0-0 Nf6 11. a3 Nd5 12. Rc1 Kb8 13. Qb3 Qb6 14. Qa2 Bd6 15. Bxd5 exd5 16. b4 f6 17. Rfe1 g5 18. Nb3 h5 19. Nc5 h4 20. Nd2 g4 21. Ndb3 g3 22. h3 Rhg8 23. Kh1 Rg7 24. f3 Rdg8 25. Re2 Bxh3 26. gxh3 g2+ 27. Kg1 Qc7 28. f4 Bxf4 29. Bxf4 Qxf4 30. Ne6 Qf3 31. Nxg7 Rxg7 32. Rxg2 Qe3+ 33. Qf2 Rxg2+ 34. Kxg2 Qxb3 35. Re1 Qxa3 36. b5 Ne7 37. Qf4+ Kc8 38. Rc1+ Kd8 39. Qb8+ Kd7 40. Qxb7+ Ke6 41. Re1+ Kf7 42. Qc7 Qb2+ 43. Kh1 Qb4 44. Re2 Qb1+ 45. Kg2 Qb4 46. Qxa7 Qd6 47. Qxe7+ Qxe7 48. Rxe7+ Kxe7 49. Kf3 Kd6 50. Kf4 Kc7 51. Kf5 Kb6 52. Kxf6 Kxb5 53. Ke6 Kc6 54. Ke5 Kc7 55. Kxd5 Kd7 56. Ke5 Ke7 57. Kf5 Kd6 58. Kg4 Kd5 59. Kxh4 Kxd4 60. Kg5 Ke5 61. h4 Ke6 62. Kg6 Ke7 63. Kg7 Ke6 64. h5 1-0

[Event "Krakow op-B 33rd"]
[Site "Krakow"]
[Date "2023.01.04"]
[Round "9"]
[White "Kejna, Piotr"]
[Black "Shamsuddin, Sayyid Usmon"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2046"]
[BlackElo "1811"]
[PlyCount "74"]
[EventDate "2022.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Nf6 5. Nc3 Bd7 6. f4 a6 7. Bxc6 Bxc6 8. Qe2 Qd7 9. Nf3 0-0-0 10. 0-0-0 Qc7 11. d4 cxd4 12. Nxd4 e6 13. Rhe1 Be7 14. f5 Bd7 15. Rd3 Kb8 16. a4 e5 17. Nf3 Bc6 18. Red1 Rc8 19. R1d2 Qa5 20. Ng5 Rhf8 21. Ba3 g6 22. fxg6 fxg6 23. Kb2 Nd7 24. Bxd6+ Bxd6 25. Rxd6 Nb6 26. Qd3 Qb4 27. Ka2 Bxa4 28. Rxb6 Bxb3+ 29. cxb3 Qxb6 30. Nd5 Qa5+ 31. Kb1 Qa3 32. Rc2 Rxc2 33. Kxc2 Rf2+ 34. Kc3 Qc5+ 35. Qc4 Qa5+ 36. Qb4 Qa1+ 37. Kd3 Qd1+ 0-1

[Event "Krakow op-B 33rd"]
[Site "Krakow"]
[Date "2023.01.03"]
[Round "8"]
[White "Gradalski, Olaf"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2079"]
[BlackElo "2046"]
[PlyCount "74"]
[EventDate "2022.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nc6 8. Be3 e6 9. Bxc6+ bxc6 10. Nbd2 Ne7 11. Qa4 Bxf3 12. Nxf3 Qb6 13. 0-0 0-0 14. Rfc1 Rfc8 15. Rc2 Qb5 16. Qa3 Nf5 17. Rac1 Bf8 18. Qc3 Rab8 19. g4 Nxe3 20. Qxe3 Qa4 21. b3 Qa6 22. h4 Rb4 23. Qd2 Qb6 24. Kh2 a5 25. Kg3 a4 26. bxa4 Rxa4 27. Qf4 c5 28. h5 Qb7 29. Rh1 Bg7 30. Kg2 cxd4 31. Rxc8+ Qxc8 32. Ng5 Ra7 33. hxg6 hxg6 34. Nh7 Qc7 35. Nf6+ Kf8 36. Rc1 Qd8 37. Qxd4 Bxf6 1-0

[Event "Krakow op-B 33rd"]
[Site "Krakow"]
[Date "2023.01.02"]
[Round "6"]
[White "Kejna, Piotr"]
[Black "Aniskevich, Dmitry Val"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2046"]
[BlackElo "1853"]
[PlyCount "103"]
[EventDate "2022.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc6 8. Nxc6 bxc6 9. e5 h6 10. Bh4 g5 11. fxg5 Nd5 12. Ne4 Qb6 13. c3 Qe3+ 14. Qe2 Qxe2+ 15. Bxe2 hxg5 16. Bxg5 dxe5 17. Nf6+ Nxf6 18. Bxf6 Rh6 19. Bxe5 f6 20. Bf3 Bd7 21. Bg3 Bc5 22. 0-0-0 e5 23. Be4 f5 24. Rxd7 Kxd7 25. Bxf5+ Kc7 26. Bxe5+ Bd6 27. Bxd6+ Kxd6 28. h4 Ke5 29. g4 Rah8 30. Re1+ Kf4 31. Re4+ Kg3 32. h5 Rb8 33. Re7 Kf4 34. Ra7 Rb6 35. c4 c5 36. b3 Rhd6 37. Kc2 Ke3 38. Kc3 Kf4 39. a3 Rbc6 40. Bd7 Rb6 41. b4 Rd1 42. Bf5 Ra1 43. bxc5 Rxa3+ 44. Kd4 Rf6 45. Bd7 Ra5 46. c6 Rd6+ 47. Kc3 Ra3+ 48. Kb4 Rdd3 49. Kc5 Ke5 50. c7 Rdb3 51. c8Q Ra5+ 52. Kc6 1-0

[Event "Krakow op-B 33rd"]
[Site "Krakow"]
[Date "2023.01.02"]
[Round "7"]
[White "Kejna, Piotr"]
[Black "Krawczyk, Wojciech"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2046"]
[BlackElo "1981"]
[PlyCount "65"]
[EventDate "2022.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 e6 8. Nf4 Bh7 9. Bc4 Nf6 10. c3 Bd6 11. Nfh5 Bf8 12. 0-0 Nxh5 13. Nxh5 Qxh4 14. Re1 Bf5 15. Qb3 b5 16. Be2 g6 17. g3 Qd8 18. Nf4 Bd6 19. Bf3 0-0 20. a4 g5 21. Ne2 Qa5 22. Bd2 Bd3 23. Nc1 Bc4 24. Qc2 Bd5 25. c4 Bb4 26. Nb3 Bxd2 27. Nxa5 Bxe1 28. cxd5 Bxa5 29. axb5 Bc7 30. dxe6 a5 31. exf7+ Kg7 32. Bh5 Kf6 33. Re1 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "4"]
[White "Duda, Szymon"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1768"]
[BlackElo "2027"]
[PlyCount "83"]
[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 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 0-0 10. 0-0 Bxd2 11. Qxd2 d6 12. Rfd1 b6 13. b4 Bb7 14. Rac1 Nd7 15. Qb2 Rab8 16. Rd2 Rfe8 17. Rcd1 Qe6 18. Qc2 Nf6 19. Rd4 Rbc8 20. c5 dxc5 21. bxc5 Qc6 22. Bf3 Ne4 23. Bxe4 Rxe4 24. Qxe4 Qxe4 25. Rd8+ Qe8 26. Rxe8+ Rxe8 27. Rd7 Rc8 28. cxb6 axb6 29. Bxc7 Bc6 30. Rd8+ Rxd8 31. Bxd8 b5 32. a3 f6 33. f3 Bd5 34. Kf2 Kf7 35. e4 Bc4 36. Ke3 Ke6 37. g4 g6 38. h4 h5 39. Kf4 Bd3 40. Ba5 Bc2 41. Bc3 Bd3 42. Ke3 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "2"]
[White "Dziewonski, Dariusz"]
[Black "Kejna, Piotr"]
[Result "1/2-1/2"]
[ECO "B57"]
[WhiteElo "2237"]
[BlackElo "2027"]
[PlyCount "80"]
[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 Nc6 6. Bc4 e5 7. Nde2 Be7 8. 0-0 0-0 9. a3 Be6 10. Qd3 Rc8 11. Nd5 Bxd5 12. Bxd5 Nxd5 13. Qxd5 Kh8 14. Rd1 Qd7 15. Be3 f5 16. exf5 Qxf5 17. c4 Bh4 18. f3 Rf6 19. Qe4 Bg5 20. Rd3 Qxe4 21. fxe4 Bxe3+ 22. Rxe3 Rcf8 23. Re1 Kg8 24. Rd3 R8f7 25. b3 Kf8 26. Rdd1 Ke8 27. Rf1 Rxf1+ 28. Rxf1 Rxf1+ 29. Kxf1 Na5 30. Nc1 Kd7 31. Ke2 Nc6 32. Kd3 Nd4 33. b4 Kc6 34. Ne2 Nxe2 35. Kxe2 a6 36. Kd3 b6 37. Kc3 Kc7 38. Kb3 Kc6 39. a4 a5 40. b5+ Kd7 1/2-1/2

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "8"]
[White "Gbiorczyk, Mikolaj"]
[Black "Kejna, Piotr"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1853"]
[BlackElo "2027"]
[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. Bg5 Ne4 3. h4 c5 4. d5 Qb6 5. Nd2 Nxg5 6. hxg5 Qxb2 7. g6 fxg6 8. Ngf3 e6 9. dxe6 Be7 10. exd7+ Bxd7 11. Rb1 Qxa2 12. e3 Be6 13. Bd3 0-0 14. Rxb7 Bf6 15. Nh4 Bxh4 16. Rxh4 Qd5 17. Be4 Qg5 18. Nf3 Rxf3 19. Qxf3 Qxh4 20. Bd5 Bxd5 21. Qxd5+ Kh8 22. Qf7 Nd7 23. Qxd7 Rg8 24. Rxa7 Qh1+ 25. Ke2 Qxg2 26. Rc7 h5 27. Rxc5 Rf8 28. Rc8 Qxf2+ 29. Kd3 Qf1+ 30. Kd2 Qg2+ 31. Kd3 Rxc8 32. Qxc8+ Kh7 33. Qd8 Qg3 34. c4 h4 35. c5 h3 36. c6 h2 37. c7 h1Q 38. c8Q Qd1+ 39. Kc4 Qa4+ 40. Kd5 Qf3+ 41. Kd6 Qb4+ 42. Kc7 Qa5+ 43. Kd7 Qf7+ 44. Kc6 Qc4+ 45. Kd7 Qad5+ 46. Ke7 Qf7+ 47. Kd6 Qcd5# 0-1

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "6"]
[White "Grot, Blazej"]
[Black "Kejna, Piotr"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1862"]
[BlackElo "2027"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nbd2 Nxd2 12. Bxd2 Be7 13. Rc1 0-0 14. Rc3 Rac8 15. a3 b5 16. h4 a5 17. h5 b4 18. Rd3 Rc7 19. Nh2 f5 20. exf6 Rxf6 21. Bg5 Rf5 22. Bxe7 Qxe7 23. Rde3 Nd8 24. Qg4 Qf6 25. Rf3 Rxf3 26. Nxf3 b3 27. Qg3 Rc2 28. Qb8 Rxb2 29. Rxe6 Qf8 30. Re1 Ne6 31. Qb5 Nc7 32. Qd7 Rc2 33. Qa4 Qb8 34. Rb1 Rc3 35. Qxa5 Rc6 36. Ne5 Ra6 37. Qc5 Qb7 38. Qe7 Ra8 39. h6 gxh6 40. Nd7 Kh8 41. Nf6 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "7"]
[White "Kejna, Piotr"]
[Black "Pancewicz, Szymon"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2027"]
[BlackElo "1909"]
[PlyCount "133"]
[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 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. Bxf6 exf6 5. e3 c6 6. Bd3 Qc8 7. Nge2 Bd6 8. Ng3 Bxd3 9. Qxd3 0-0 10. e4 dxe4 11. Ncxe4 Bc7 12. 0-0-0 Nd7 13. Nf5 Kh8 14. g4 Bf4+ 15. Kb1 g6 16. Ne3 Qc7 17. h4 Kg7 18. Ng2 Rae8 19. Qf3 Bd6 20. h5 Re6 21. hxg6 fxg6 22. Qh3 Rh8 23. Qh6+ Kf7 24. Nxd6+ Qxd6 25. f4 Re2 26. f5 g5 27. Ne1 Nb6 28. Nf3 Nc4 29. Rd3 b5 30. Rc1 Qb4 31. Rb3 Nd2+ 32. Nxd2 Qxd2 33. Qh1 Rg2 34. d5 Rh2 35. Qg1 Re8 36. Rd3 Qf4 37. dxc6 Re7 38. Rd7 Rhe2 39. Rxa7 Qc4 40. Rxe7+ Rxe7 41. Qg2 Kg7 42. b3 Qc5 43. Rd1 Rc7 44. Rd7+ Rxd7 45. cxd7 Qd6 46. a4 Qd1+ 47. Kb2 Qxd7 48. axb5 Qxb5 49. Qe4 Qd7 50. b4 h5 51. gxh5 Kh6 52. Qe6 Qd4+ 53. c3 Qd2+ 54. Kb3 Qd1+ 55. Kc4 Qf1+ 56. Kc5 Qf2+ 57. Kb5 Qf1+ 58. c4 Kxh5 59. Qxf6 Kg4 60. Qe5 Qf3 61. Kb6 Qa8 62. b5 Qd8+ 63. Kb7 Kh3 64. f6 g4 65. f7 g3 66. Qh5+ Kg2 67. Qd5+ 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "3"]
[White "Kejna, Piotr"]
[Black "Skrzypinski, Jan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "1688"]
[PlyCount "56"]
[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. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. f4 g6 7. Nf3 Bg7 8. Qe2 Nd4 9. Nxd4 cxd4 10. Bxd7+ Nxd7 11. Nd1 0-0 12. Nf2 Rc8 13. 0-0-0 Qa5 14. a3 b5 15. Nd3 Qc7 16. Ne1 b4 17. axb4 a5 18. Qb5 axb4 19. d3 Nc5 20. Kd2 d5 21. Ra1 Qxf4+ 22. Ke2 dxe4 23. Rf1 Qe3+ 24. Kd1 Nxb3 25. cxb3 Bh6 26. Qxb4 exd3 27. Nxd3 Qxd3+ 28. Ke1 Rc2 0-1

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "1"]
[White "Kejna, Piotr"]
[Black "Szymkiewicz, Witold"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2027"]
[BlackElo "1754"]
[PlyCount "75"]
[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 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Be7 5. e5 d5 6. exd6 Bxd6 7. Bg2 Nf6 8. Nc3 0-0 9. d3 e5 10. h3 Re8 11. Bg5 h6 12. Bxf6 Qxf6 13. Ne4 Qd8 14. g4 Be6 15. c3 Be7 16. 0-0 Qb6 17. Ng3 Rad8 18. Rfd1 f6 19. Nh4 Rd7 20. Be4 Red8 21. b3 Bf8 22. Ngf5 Bd5 23. Ne3 Ne7 24. Nxd5 Nxd5 25. Rac1 Nf4 26. Qf3 Qa6 27. Rc2 Qb5 28. Ng6 Nxg6 29. Bxg6 Qa6 30. Be4 b5 31. Qf5 g5 32. c4 b4 33. Qg6+ Bg7 34. Qh7+ Kf7 35. Bd5+ Ke8 36. Qg8+ Bf8 37. Qg6+ Ke7 38. Qf7+ 1-0

[Event "POL-ch U16"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "5"]
[White "Kejna, Piotr"]
[Black "Ugorek, Kacper"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2027"]
[BlackElo "1650"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c3 Bg7 6. exd6 cxd6 7. Bd3 0-0 8. 0-0 Nc6 9. Re1 e5 10. Be4 Nb6 11. Bxc6 bxc6 12. dxe5 dxe5 13. Qe2 Re8 14. Be3 f6 15. Rd1 Qc7 16. Nbd2 Be6 17. Ne4 Rad8 18. Qa6 Nc4 19. Bc5 Bd5 20. Nfd2 Nxd2 21. Nxd2 Bf8 22. Bxf8 Kxf8 23. c4 Be6 24. Ne4 Kg7 25. c5 Rxd1+ 26. Rxd1 Bd5 27. Nxf6 Rd8 28. Nxd5 cxd5 29. b4 Qe7 30. c6 d4 31. Qc4 Qf7 32. Qb5 Qc7 33. Qc5 d3 34. b5 d2 35. Kf1 Kf6 36. Ke2 Qa5 37. c7 Rc8 38. Qd6+ Kg5 39. Qxe5+ Kh6 40. Qf4+ Kg7 41. Qd4+ Kg8 42. Qd5+ Kf8 43. Qd6+ Kg7 44. Qd7+ Kh6 45. Qxc8 Qxb5+ 46. Kxd2 Qb4+ 47. Ke2 Qg4+ 48. Qxg4 1-0

