[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Malakhov, Vladimir"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2346"]
[BlackElo "2648"]
[PlyCount "118"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 d6 8. axb5 Nxe5 9. Re1 Be7 10. Nxe5 dxe5 11. Qxd8+ Bxd8 12. Rxe5+ Be6 13. Nc3 0-0 14. Bg5 Bxg5 15. Rxg5 Rfd8 16. Re5 Kf8 17. Ree1 Bf5 18. Re2 Rd6 19. f3 h5 20. Kf2 a5 21. bxa6 Rdxa6 22. Rxa6 Rxa6 23. Nb5 g6 24. Nxc7 Rc6 25. Nb5 Rxc2 26. Nd6 Rc5 27. Nxb7 Rd5 28. b4 Rb5 29. Nd6 Rxb4 30. Nxf5 gxf5 31. Re5 Kg7 32. Rxf5 Kg6 33. Re5 f6 34. Re2 Ra4 35. Kg3 Rb4 36. Kh3 Ra4 37. g3 Ra3 38. f4 Ra5 39. Kh4 Rb5 40. h3 Ra5 41. Re8 Rb5 42. Rg8+ Kf7 43. Rh8 Kg6 44. Rg8+ Kf7 45. Rd8 Kg6 46. Rd7 Ra5 47. Rd3 Rb5 48. Rf3 Ra5 49. Rd3 Rb5 50. Rd6 Ra5 51. g4 hxg4 52. hxg4 Kg7 53. Rd7+ Kf8 54. f5 Ra4 55. Kh5 Kg8 56. Rd3 Kg7 57. Rd7+ Kg8 58. Rd6 Kg7 59. Rd7+ Kg8 1/2-1/2

[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Rakitin, Daniil"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2346"]
[BlackElo "2206"]
[PlyCount "84"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 h5 8. g5 Ng4 9. Bc1 Nc6 10. Nxc6 bxc6 11. h3 Ne5 12. f4 Nd7 13. Be3 d5 14. Be2 Rb8 15. Bxh5 Rxb2 16. 0-0 g6 17. Bg4 Bg7 18. e5 Qa5 19. Qd2 c5 20. Rab1 Rxb1 21. Rxb1 0-0 22. Nxd5 Qxa2 23. Ne7+ Kh7 24. Rf1 Qa4 25. Rd1 Nb6 26. Bxc5 Qb5 27. Qb4 Qxb4 28. Bxb4 Bb7 29. Kf2 Ra8 30. Bf3 Bxf3 31. Kxf3 a5 32. Bc5 Nc4 33. Rd4 Nb2 34. Ba3 Rb8 35. Nc6 Rb5 36. c4 Rb3+ 37. Ke4 Rxa3 38. Rd2 Nxc4 39. Rc2 Nb6 40. Ne7 Bf8 41. Nc6 Nd5 42. Rd2 Bc5 0-1

[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Shkapenko, Pavel"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2346"]
[BlackElo "2390"]
[PlyCount "117"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. c3 Bd7 6. d4 Bb6 7. Be3 Nge7 8. Nbd2 0-0 9. Re1 exd4 10. cxd4 d5 11. exd5 Nxd5 12. Nc4 Nce7 13. Bxd7 Qxd7 14. Nfe5 Qd8 15. a4 c6 16. Nxb6 axb6 17. Qg4 Kh8 18. Bd2 f6 19. Nc4 Qc8 20. Qxc8 Rfxc8 21. Nxb6 Nxb6 22. Rxe7 Nc4 23. Bc3 b5 24. b3 Nb6 25. Rb7 Nd5 26. Bd2 bxa4 27. bxa4 Ra6 28. f3 h5 29. a5 Re8 30. Re1 Rea8 31. Re6 Kh7 32. g4 hxg4 33. fxg4 Kg6 34. Kf2 Rxa5 35. Bxa5 Rxa5 36. Rxc6 Ra2+ 37. Kg3 Ra3+ 38. Kg2 Nf4+ 39. Kf1 Ra1+ 40. Kf2 Ra2+ 41. Kf3 Ne2 42. Rcc7 f5 43. gxf5+ Kxf5 44. Rf7+ Kg6 45. Rxg7+ Kh6 46. Rh7+ Kg6 47. Rbg7+ Kf6 48. Rf7+ Kg6 49. Rhg7+ Kh6 50. Rg4 Kh5 51. Rf5+ Kh6 52. h4 Nc3 53. Rgg5 Ra3 54. Ke3 Nd5+ 55. Ke4 Nc3+ 56. Ke5 Ra5+ 57. Ke6 Ra6+ 58. Kf7 Ne4 59. Rh5# 1-0

[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2462"]
[BlackElo "2346"]
[PlyCount "113"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h3 h5 9. f4 Nbd7 10. Qf3 b5 11. 0-0-0 Bb7 12. Kb1 b4 13. Nd5 Nxd5 14. exd5 a5 15. Bb5 a4 16. Nd2 b3 17. cxb3 axb3 18. Nxb3 Bf6 19. fxe5 Bxe5 20. Bd4 0-0 21. Bxd7 Qxd7 22. Bxe5 dxe5 23. Nc5 Qc7 24. Nxb7 Qxb7 25. d6 Qa6 26. Qd5 Rfd8 27. Rhf1 Rd7 28. a3 Rb8 29. Qd3 Qb6 30. Rd2 Qb7 31. Qd5 Qa7 32. Rf3 Qb6 33. Ka2 Rbd8 34. Rb3 Qa6 35. Qb5 Qxb5 36. Rxb5 Rxd6 37. Rxd6 Rxd6 38. Rxe5 Rd2 39. Rxh5 Rxg2 40. a4 g6 41. Rc5 f5 42. a5 Re2 43. a6 Re6 44. Ra5 Re8 45. a7 Ra8 46. Kb1 Kf7 47. b4 f4 48. Kc2 f3 49. Kd2 Ke7 50. Ke3 Kd7 51. Kxf3 Kc7 52. Kg4 Kb6 53. Kg5 Rxa7 54. Rxa7 Kxa7 55. Kxg6 Kb6 56. h4 Kb5 57. h5 1-0

[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "4"]
[White "Lin, Bryan Enming"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2087"]
[BlackElo "2346"]
[PlyCount "128"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e5 7. Nb3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. g3 Nd7 11. Qxd6 Be7 12. Qd2 Bb4 13. a3 Bxc3 14. Qxc3 Rc8 15. Qd2 Bxb3 16. cxb3 Nc5 17. Qe3 Qd4 18. Qxd4 exd4 19. Bc4 Nxe4 20. 0-0 0-0 21. Rad1 Rfd8 22. Rfe1 Nd6 23. Rxd4 b5 24. Bf1 Kf8 25. a4 Nf5 26. Rxd8+ Rxd8 27. axb5 axb5 28. Bxb5 Nd4 29. Be2 Re8 30. Kf1 Nxb3 31. Rd1 Rc8 32. Ba6 Rc2 33. Bd3 Rxb2 34. Bxh7 g6 35. h5 Nd2+ 36. Ke2 Ne4+ 37. Ke3 Nxf2 38. Rd7 Ng4+ 39. Kf4 Nf6 40. Rd8+ Ke7 41. hxg6 Kxd8 42. g7 Ke7 43. g8Q Nxg8 44. Bxg8 f6 45. Bh7 Rb4+ 46. Kf3 Ke6 47. Bg8+ Ke5 48. Bh7 Rb3+ 49. Kg4 Rb4+ 50. Kf3 f5 51. Bg8 Kf6 52. Ba2 Kg5 53. Bd5 Rd4 54. Be6 Rd3+ 55. Kf2 Kg4 56. Bc8 Rf3+ 57. Ke2 Rxg3 58. Be6 Rf3 59. Bf7 Rf4 60. Ke3 Ra4 61. Kf2 Ra2+ 62. Kf1 f4 63. Bd5 Kg3 64. Kg1 Ra1# 0-1

[Event "Titled Tuesday intern op 23rd Apr Late"]
[Site "Chess.com INT"]
[Date "2024.04.23"]
[Round "6"]
[White "Zhizmer, Yuri"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2289"]
[BlackElo "2346"]
[PlyCount "111"]
[EventDate "2024.04.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. a3 g6 2. d4 Bg7 3. Nf3 d5 4. b4 Nf6 5. Bb2 0-0 6. e3 a5 7. b5 c6 8. a4 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. 0-0 Nb6 12. Nbd2 Qc7 13. c4 dxc4 14. Nxc4 cxb5 15. Nxb6 Qxb6 16. axb5 Nd5 17. Ba3 Rfc8 18. Bc5 Qd8 19. b6 Nxb6 20. Qb5 Nd7 21. Ba3 Qb6 22. Qxd7 Rc7 23. Qa4 Rac8 24. Bc5 Qe6 25. Qxa5 Rc6 26. Qa2 Qd7 27. Rab1 Qc7 28. Qa7 Rb8 29. Rb6 Rxb6 30. Qxb6 Qc8 31. Rb1 Qd7 32. h3 h5 33. Qb4 e6 34. Qb5 Qc7 35. Qb6 Qd7 36. Qd6 Qc8 37. Ne5 Bf8 38. Qd7 Bxc5 39. Qxc8+ Rxc8 40. dxc5 Rxc5 41. f4 Rc7 42. g4 Kf8 43. gxh5 gxh5 44. Kg2 f6 45. Nf3 Kg7 46. Nd4 Kf7 47. Kg3 e5 48. f5 exd4 49. exd4 Rc3+ 50. Kf4 Rxh3 51. Rxb7+ Ke8 52. Ke4 Rh4+ 53. Kd5 Rf4 54. Rh7 Rxf5+ 55. Ke6 Rg5 56. Rh8+ 1-0

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "11"]
[White "Brzezina, Piotr"]
[Black "Ambartsumova, Karina"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2346"]
[BlackElo "2406"]
[PlyCount "164"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. a3 e5 2. e4 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. d3 Nc6 7. Nf3 Be7 8. Be2 0-0 9. 0-0 h6 10. Be3 Bg4 11. h3 Bh5 12. Nd2 Bxe2 13. Qxe2 Rfe8 14. c4 Qe6 15. b4 b6 16. Rfe1 Rad8 17. Rad1 Bf8 18. Qf1 Qf5 19. Ne4 Nd4 20. Bxd4 Rxd4 21. Ng3 Qd7 22. Re3 f6 23. Ne2 Rd6 24. Nc3 c6 25. Ne4 Rd4 26. Rg3 Kh8 27. Qe2 Qf7 28. Nd2 Red8 29. Nf3 R4d6 30. Nh4 Rd4 31. Ng6+ Kh7 32. h4 a5 33. h5 axb4 34. axb4 Bxb4 35. Qf3 Qd7 36. Ra1 Bc5 37. Qe2 b5 38. cxb5 cxb5 39. Rb1 b4 40. Rc1 Bb6 41. Qa2 Rxd3 42. Rxd3 Qxd3 43. Qf7 Qd2 44. Rf1 Bc5 45. Qc7 Qd6 46. Qf7 Qd5 47. Qc7 b3 48. Nh4 b2 49. Nf5 Qd7 50. Qxc5 Qxf5 51. Qb6 Rd2 52. Qb4 Qc2 53. Kh2 f5 54. Qb7 f4 55. Re1 Rxf2 56. Kh1 Rxg2 57. Qxg2 b1Q 58. Rxb1 Qxb1+ 59. Kh2 Qf5 60. Qf3 e4 61. Qh3 Qxh3+ 62. Kxh3 g6 63. Kg4 gxh5+ 64. Kxf4 Kg6 65. Kxe4 Kg5 66. Kf3 Kh4 67. Kg2 Kg4 68. Kh1 Kh3 69. Kg1 h4 70. Kh1 Kg3 71. Kg1 h3 72. Kh1 Kh4 73. Kg1 Kg4 74. Kh1 h5 75. Kh2 Kh4 76. Kh1 Kg3 77. Kg1 Kh4 78. Kh1 Kg4 79. Kg1 Kf3 80. Kh1 Kg3 81. Kg1 h4 82. Kh1 h2 1/2-1/2

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "10"]
[White "Brzezina, Piotr"]
[Black "Roberson, Peter T"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2346"]
[BlackElo "2426"]
[PlyCount "138"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. d5 d6 5. c3 Nf6 6. Bd3 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 Na6 10. Bg5 Nc7 11. Nd2 b5 12. a4 a6 13. axb5 axb5 14. Qe2 Qd7 15. f4 Rfb8 16. f5 c4 17. Bc2 Rxa1 18. Rxa1 Ra8 19. Rxa8+ Nxa8 20. fxg6 hxg6 21. Nf3 Qa7+ 22. Kh2 Qa1 23. e5 dxe5 24. Nxe5 Qxb2 25. Nxf7 Qxc3 26. Bxg6 Nc7 27. Qxe7 Ncxd5 28. Qd8+ Bf8 29. Bh6 Qa3 30. Ne5 Qd6 31. Bf7+ Kh7 32. Qxf8 Qxe5+ 33. Kh1 Qe1+ 34. Kh2 Qe5+ 35. Kh1 Qg3 36. Bxd5 Nxd5 37. Qf7+ Kxh6 38. Qxd5 c3 39. Qc6+ Kg7 40. Qb7+ Kh6 41. Qc6+ Kg7 42. Qb7+ Kf6 43. Qc6+ Ke7 44. Qb7+ Kd8 45. Qa8+ Kd7 46. Qb7+ Ke6 47. Qc6+ Kf7 48. Qb7+ Kf6 49. Qc6+ Kg5 50. Qxb5+ Kh6 51. Qc6+ Kg7 52. Qd7+ Kh6 53. Qe6+ Kg7 54. Qe7+ Kh6 55. Qe6+ Kg7 56. Qe7+ Kg6 57. Qe8+ Kf6 58. Qf8+ Ke6 59. Qe8+ Kd5 60. Qb5+ Kd4 61. Qb4+ Kd3 62. Qb1+ c2 63. Qb3+ Ke2 64. Qxg3 c1Q+ 65. Kh2 Qc6 66. Qf3+ Qxf3 67. gxf3 Kxf3 68. h4 Kg4 69. h5 Kxh5 1/2-1/2

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Sahib, Singh"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2346"]
[BlackElo "2290"]
[PlyCount "62"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. a4 Nc6 7. 0-0 Rb8 8. Nc3 Bd7 9. e4 b5 10. axb5 axb5 11. d5 Nb4 12. Nd4 e5 13. Nf3 Nd3 14. Bg5 h6 15. Bxf6 Qxf6 16. b4 Bxb4 17. Ne2 Bg4 18. Nc1 Nxc1 19. Rxc1 0-0 20. h3 Bd7 21. g4 Ba3 22. Ra1 b4 23. Nd2 c3 24. Nc4 Bb5 25. Qb3 Qa6 26. Nxa3 Bxf1 27. Bxf1 bxa3 28. Qxb8 Qxf1+ 29. Rxf1 Rxb8 30. Ra1 c2 31. Kf1 Rb1+ 0-1

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Titarov, Vasilii"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2346"]
[BlackElo "2093"]
[PlyCount "89"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Bf5 7. Nf3 e6 8. Nc3 Nc6 9. Be3 Be7 10. Be2 0-0 11. 0-0 f6 12. exf6 Bxf6 13. Qd2 Qe7 14. Rad1 Rad8 15. Kh1 Bg4 16. c5 Nd5 17. Nxd5 exd5 18. Rde1 Qd7 19. Bb5 Bxf3 20. Rxf3 a6 21. Ba4 Rde8 22. Ref1 Re4 23. Bc2 Re7 24. Qd3 Re4 25. Qb3 Rxd4 26. Bxd4 Nxd4 27. Qd3 Nxf3 28. Qxh7+ Kf7 29. Rxf3 Qg4 30. h3 Qg5 31. Qf5 Qxf5 32. Bxf5 Rb8 33. b4 Ke7 34. g4 b6 35. Re3+ Kd8 36. c6 a5 37. Bg6 Be7 38. Rd3 axb4 39. Rxd5+ Bd6 40. Rd3 Ra8 41. Re3 Be7 42. Rd3+ Bd6 43. Re3 Be7 44. Re2 Bd6 45. Re8# 1-0

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Vovk, Orest"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2346"]
[BlackElo "2315"]
[PlyCount "197"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. d4 Nc6 2. e4 e5 3. dxe5 Nxe5 4. Nf3 d6 5. Nxe5 dxe5 6. Qxd8+ Kxd8 7. Bc4 f6 8. 0-0 Bd6 9. Be3 Ke7 10. Nc3 c6 11. a4 Be6 12. Bd3 Kf7 13. Rad1 Bc7 14. g3 Ne7 15. f4 a5 16. f5 Bc8 17. Bc4+ Ke8 18. Bc5 b6 19. Ba3 Ba6 20. Bxa6 Rxa6 21. Bd6 Ra7 22. Bxc7 Rxc7 23. Rd6 Rd7 24. Rfd1 Rxd6 25. Rxd6 h5 26. h4 Kf7 27. Rd7 Rb8 28. Ra7 Rd8 29. Rb7 Rd2 30. Rxb6 Rxc2 31. Rb7 Ke8 32. Kf1 Kd8 33. Ne2 c5 34. Ke1 Nc6 35. Kd1 Rc4 36. Nc3 Nb4 37. Rxg7 Nd3 38. Kc2 Nf2 39. Kb3 Rb4+ 40. Kc2 Nxe4 41. Rg8+ Kd7 42. Nd5 Rd4 43. Ne3 Rd2+ 44. Kc1 Rd3 45. Nc4 Rxg3 46. Rh8 Nd6 47. Rh7+ Kc6 48. Nxa5+ Kd5 49. Rd7 e4 50. Nb7 Kc6 51. Rxd6+ Kxb7 52. Rxf6 Rg4 53. Rf7+ Kb6 54. f6 Rxh4 55. Rf8 Rf4 56. f7 Kb7 57. a5 h4 58. Kd2 h3 59. Ke3 Rf1 60. a6+ Ka7 61. Kxe4 h2 62. Rh8 Rxf7 63. Rxh2 Kxa6 64. Kd5 Kb5 65. Rh3 Rd7+ 66. Ke6 Rd4 67. Ke5 Rb4 68. b3 Rd4 69. Re3 Kb4 70. Rf3 Rd8 71. Rh3 Rd1 72. Rg3 Rd8 73. Rh3 Rd2 74. Rg3 Rb2 75. Kd5 Kb5 76. Rc3 Rd2+ 77. Ke5 Rd4 78. Re3 Kc6 79. Rh3 Rd1 80. Rc3 Re1+ 81. Kf4 Kb5 82. Rc4 Rb1 83. Rc3 Kb4 84. Rc4+ Kb5 85. Rc3 Re1 86. Kf3 Re8 87. Kf4 Rc8 88. Ke4 Kb4 89. Kd3 Rd8+ 90. Kc2 Rd4 91. Rh3 Rg4 92. Rh2 Ka3 93. Kc3 Rb4 94. Rb2 Rb8 95. Rb1 Ka2 96. Kc2 Rd8 97. Rh1 Ka3 98. Rh4 Rd5 99. Ra4# 1-0

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Williams, Simon Kim"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "2346"]
[BlackElo "2467"]
[PlyCount "84"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 a5 8. Re1 Ne4 9. Qc2 Nc6 10. Nxe4 Nb4 11. Qb1 fxe4 12. Qxe4 e5 13. Qb1 Bf5 14. e4 Bg4 15. Nd2 exd4 16. a3 Nc6 17. f4 Qd7 18. Qd3 g5 19. Nf3 gxf4 20. gxf4 Bf6 21. Bd2 Kh8 22. Kh1 a4 23. Rg1 Rg8 24. Raf1 Rae8 25. Re1 Rg6 26. f5 Rgg8 27. Bf4 Qf7 28. h3 Qh5 29. Nh2 Be5 30. hxg4 Rxg4 31. Bxe5+ Nxe5 32. Qh3 Rh4 33. Qg3 Rg8 34. Bf3 Rxg3 35. Bxh5 Rgh3 36. Re2 Rxh5 37. Reg2 Rxh2+ 38. Rxh2 Rxh2+ 39. Kxh2 Nf3+ 40. Kg2 Nxg1 41. Kxg1 Kg7 42. Kf2 Kf6 0-1

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "4"]
[White "Bykov, Egor"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "2424"]
[BlackElo "2346"]
[PlyCount "92"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. Nf3 c6 5. d4 Be7 6. 0-0 0-0 7. Qd3 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Rd1 Nf6 13. Qe2 Qc7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Ne5 Rad8 17. Rac1 Qc7 18. Qf3 Rc8 19. g4 h6 20. h4 Nd7 21. Nd3 e5 22. g5 hxg5 23. hxg5 exd4 24. c5 Ne5 25. Qh5 Ng6 26. Be4 Rce8 27. Re1 Ba6 28. cxb6 Qxb6 29. Rxc6 Qa5 30. Rxg6 Rxe4 31. Rxg7+ Kxg7 32. Qh6+ Kg8 33. Rxe4 Bxd3 34. Rh4 Qe1+ 35. Kg2 Qe5 36. f4 Qg7 37. Qd6 Re8 38. Kf3 Re3+ 39. Kf2 Re2+ 40. Kf3 Re3+ 41. Kf2 Re8 42. Rh5 Bg6 43. Rh6 d3 44. Qd7 Qxb2+ 45. Kg3 Re3+ 46. Kg4 Qg2+ 0-1

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "9"]
[White "Domingo Nunez, Alejandro"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2318"]
[BlackElo "2346"]
[PlyCount "130"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. 0-0 Kc7 9. c4 Be6 10. b3 Bc5 11. e3 Nd7 12. Bb2 f6 13. Nc3 Rhe8 14. Rfd1 a5 15. h3 Rad8 16. Na4 Bf8 17. Bc3 b6 18. Rd2 Nc5 19. Nxc5 Bxc5 20. Rad1 Rxd2 21. Rxd2 Ra8 22. a4 Bb4 23. Bxb4 axb4 24. Kf1 Re8 25. Ke2 c5 26. g4 Rd8 27. Bd5 Bc8 28. e4 h5 29. f3 hxg4 30. fxg4 Rh8 31. Rd3 Rxh3 32. Rxh3 Bxg4+ 33. Rf3 Kd6 34. Kf2 Bxf3 35. Kxf3 Ke7 36. Kg4 g6 37. Kh4 Kf8 38. Be6 Kg7 39. Bh3 Kh6 40. Bd7 Kg7 41. Be8 Kh6 42. Kg4 Kg7 43. Bd7 Kh6 44. Bc8 Kg7 45. Bd7 Kh6 46. Bc6 Kh7 47. Bb7 Kg7 48. Bc8 Kh6 49. Ba6 Kh7 50. Bb5 Kh8 51. Bd7 Kg7 52. Kh4 Kf7 53. Bg4 Ke7 54. Bh3 Kf8 55. Kg4 Kf7 56. Kg3 Kg7 57. Bc8 Kh6 58. Kg4 Kg7 59. Bb7 Kf7 60. Ba8 Ke7 61. Bd5 Ke8 62. Bg8 Ke7 63. Bd5 Kf8 64. Bb7 Kg8 65. Bc8 Kg7 1/2-1/2

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "3"]
[White "Donatti, Alvaro"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2193"]
[BlackElo "2346"]
[PlyCount "84"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nc6 5. Nc3 dxc4 6. d5 Ne5 7. Bf4 Ng6 8. Bg3 Nf6 9. Bxc4 Bd6 10. Nge2 0-0 11. 0-0 a6 12. a4 Re8 13. Qc2 Bg4 14. Nd4 Ne5 15. Bb3 Bc5 16. Nf5 Qd7 17. Ne3 Bh5 18. Nc4 Nxc4 19. Bxc4 Bg6 20. Qd2 Rad8 21. Rae1 Bb4 22. Rxe8+ Rxe8 23. Re1 Ne4 24. Qe3 Bc5 25. Qe2 Kf8 26. Qd1 Nxg3 27. hxg3 Rxe1+ 28. Qxe1 Qd6 29. Ne4 Bxe4 30. Qxe4 Qxg3 31. Qe2 Qg5 32. Qf3 Qc1+ 33. Bf1 Qxb2 34. d6 Bxd6 35. Qe4 Qb4 36. Qxh7 Qf4 37. Qh8+ Ke7 38. Qh3 Qf6 39. Qe3+ Qe6 40. Qf3 Qf6 41. Qe3+ Qe6 42. Qf3 f6 0-1

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "8"]
[White "Kvaloy, Aksel Bu"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2450"]
[BlackElo "2346"]
[PlyCount "117"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. Nbd2 Bd6 6. dxc5 Bxc5 7. c4 0-0 8. cxd5 exd5 9. Be2 Nc6 10. 0-0 Bb6 11. Nb3 Bg4 12. h3 Bh5 13. Bg5 Re8 14. Nfd4 Nxd4 15. Bxh5 Ne6 16. Bh4 d4 17. exd4 Nxd4 18. Bf3 Nxf3+ 19. Qxf3 Qd5 20. Qxd5 Nxd5 21. Rfd1 Nf4 22. Bg5 Ne6 23. Bd2 Nd4 24. Nxd4 Bxd4 25. Re1 Bxb2 26. Rab1 Rxe1+ 27. Bxe1 Re8 28. Kf1 Bd4 29. Rxb7 g6 30. Rb3 Re6 31. Ra3 Rc6 32. Bd2 Rc2 33. Be3 Bb6 34. Ra6 Rb2 35. a4 Bxe3 36. fxe3 Rb7 37. Kf2 Kg7 38. g4 Re7 39. Kf3 Kh6 40. h4 Kg7 41. g5 h6 42. e4 hxg5 43. hxg5 Rb7 44. Kf4 Re7 45. Rc6 Rb7 46. a5 Rb5 47. Ra6 Rb7 48. Ke5 Re7+ 49. Kd5 Rb7 50. Rc6 Rb5+ 51. Rc5 Rb4 52. e5 Ra4 53. Kd6 Rg4 54. Rc7 a6 55. e6 Rxg5 56. e7 Re5 57. Kxe5 f6+ 58. Ke6 f5 59. e8Q+ 1-0

[Event "Titled Tuesday intern op 16th Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.16"]
[Round "6"]
[White "Laddha, Shubh Jayesh"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2324"]
[BlackElo "2346"]
[PlyCount "233"]
[EventDate "2024.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB17_2024"]
[SourceDate "2024.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 d5 6. c3 Bd6 7. Bg3 Qe7 8. Bd3 0-0 9. Ne5 Nd7 10. Nxd7 Qxd7 11. Bxd6 Qxd6 12. 0-0 e5 13. dxc5 Qxc5 14. e4 d4 15. Nb3 Qb6 16. cxd4 Nxd4 17. Bc4 Be6 18. Bxe6 Nxe6 19. Qd5 a5 20. Qxe5 a4 21. Nd2 Ra5 22. Qc3 Rc5 23. Qa3 Rc2 24. Nf3 Rxb2 25. Rad1 Qb4 26. Qxb4 Rxb4 27. Rb1 Rxe4 28. Rxb7 Re2 29. Ra1 Rd8 30. g3 h6 31. Ra7 Nd4 32. Kg2 Nxf3 33. Kxf3 Rdd2 34. Rf1 Rxa2 35. Rxa4 Rxf2+ 36. Rxf2 Rxa4 37. Rb2 Kh7 38. h4 Kg6 39. Rb5 f6 40. Rc5 f5 41. Rb5 Ra6 42. Rc5 Kf6 43. Rb5 g5 44. hxg5+ hxg5 45. Rc5 Ra3+ 46. Kf2 Kg6 47. Rc8 Kh5 48. Rc4 Ra2+ 49. Kg1 Ra5 50. Kg2 Re5 51. Rc2 Kg4 52. Rd2 Re4 53. Rc2 f4 54. gxf4 gxf4 55. Kf2 Ra4 56. Rb2 Ra3 57. Kg2 Rg3+ 58. Kf2 Rh3 59. Kg2 f3+ 60. Kg1 Kg3 61. Rg2+ Kf4 62. Rb2 Rh8 63. Rc2 Rg8+ 64. Kf1 Ra8 65. Kf2 Rh8 66. Rc4+ Ke5 67. Kxf3 Kd5 68. Ra4 Rc8 69. Ke3 Kd6 70. Kd4 Kd7 71. Kd5 Rc7 72. Rh4 Kc8 73. Kd6 Rd7+ 74. Kc6 Rc7+ 75. Kb6 Rb7+ 76. Ka6 Rd7 77. Rh8+ Kc7 78. Rh4 Rd6+ 79. Kb5 Rd5+ 80. Kc4 Rd7 81. Kc5 Rg7 82. Rh5 Kd7 83. Kd5 Re7 84. Rh6 Kc7 85. Ra6 Kd8 86. Ra8+ Kd7 87. Rb8 Rf7 88. Rb7+ Ke8 89. Rb6 Ke7 90. Ke5 Kf8 91. Ke6 Kg7 92. Rb3 Rf6+ 93. Ke5 Rf7 94. Rg3+ Kf8 95. Ke6 Re7+ 96. Kd6 Rf7 97. Rb3 Kg7 98. Ke6 Rf6+ 99. Ke5 Rf7 100. Rb6 Kf8 101. Ke6 Kg7 102. Ke5 Re7+ 103. Kf5 Rf7+ 104. Kg5 Ra7 105. Rb5 Kf7 106. Re5 Kg7 107. Kh5 Rf7 108. Kg4 Kf8 109. Kg5 Rg7+ 110. Kf6 Rf7+ 111. Kg6 Rg7+ 112. Kh6 Rf7 113. Rc5 Ke7 114. Kg6 Rf6+ 115. Kg7 Rd6 116. Re5+ Kd8 117. Kf7 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.10"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Krol, Jan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2052"]
[BlackElo "1851"]
[PlyCount "64"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Bd7 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 a5 13. Rad1 Qc7 14. Nd5 Bxd5 15. exd5 Rfc8 16. Qb1 Qd8 17. Rfe1 Qf8 18. Bf1 Nd7 19. Bxg7 Kxg7 20. Qe4 Re8 21. Re3 f5 22. Qc2 Qf6 23. Re6 Qg5 24. Rde1 Ne5 25. Kh1 Rac8 26. Qc3 Qf4 27. Kg1 Kf7 28. g3 Qf3 29. Re3 Qd1 30. b3 b5 31. Kg2 bxc4 32. Be2 Qxd5+ 0-1

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.09"]
[Round "6"]
[White "Fiedorek, Michal"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2309"]
[BlackElo "2052"]
[PlyCount "99"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d3 d6 8. Bd2 0-0 9. h3 h6 10. a4 Rb8 11. axb5 axb5 12. Nc3 Be6 13. Nd5 Qc8 14. Re1 Bd8 15. Ra3 Bxd5 16. exd5 Ne7 17. c4 Nf5 18. Qc1 Nd7 19. cxb5 Nb6 20. Qc2 Qb7 21. d4 Nxd4 22. Nxd4 exd4 23. Qe4 Nd7 24. Bxh6 Nc5 25. Qg4 Bf6 26. Bc2 d3 27. Bxd3 Rfe8 28. Rd1 Bxb2 29. Bf5 Kf8 30. Bg5 g6 31. Bh6+ Kg8 32. Rg3 c6 33. bxc6 Qe7 34. Bxg6 fxg6 35. Qxg6+ Kh8 36. Bf4 Ne4 37. Rg4 Rg8 38. Qh6+ Qh7 39. Rxg8+ Rxg8 40. Qxh7+ Kxh7 41. Rb1 Ba3 42. Be3 Bc5 43. Rb7+ Kg6 44. Re7 Bxe3 45. Rxe4 Bb6 46. Rg4+ Kf7 47. Rxg8 Kxg8 48. Kf1 Kf7 49. f4 Ke7 50. Ke2 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.08"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Bartodziej, Bartosz"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2052"]
[BlackElo "1926"]
[PlyCount "81"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 d6 9. d5 Nxc3 10. Rxc3 Nb8 11. dxe6 fxe6 12. Bg2 0-0 13. 0-0 Nd7 14. Nd4 Nf6 15. Qc1 e5 16. Nc2 Rb8 17. Ne3 Be6 18. Ra3 a6 19. Rd1 Qf7 20. Qc2 b5 21. cxb5 axb5 22. Ra7 Ne8 23. Rf1 d5 24. Qc5 Rd8 25. Nc2 Rd7 26. Nb4 Nf6 27. Nc6 Qh5 28. Ne7+ Kh8 29. Ng6+ hxg6 30. Qxf8+ Kh7 31. Ra8 Bg8 32. Bf3 Qh3 33. Rc1 e4 34. Bg2 Qf5 35. Rc6 e3 36. Rxf6 exf2+ 37. Kf1 gxf6 38. Qxg8+ Kh6 39. Qf8+ Kg5 40. Qh8 Qb1+ 41. Kxf2 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.07"]
[Round "4"]
[White "Licznerski, Lukasz"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2426"]
[BlackElo "2052"]
[PlyCount "113"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. 0-0 e6 9. d4 Be7 10. Nbd2 Qc7 11. Bd3 0-0 12. Re1 Rfc8 13. Nf1 e5 14. d5 c4 15. Bc2 Bf8 16. h3 a5 17. g4 Nc5 18. Ng3 g6 19. Bd2 Ba6 20. Qe3 Bg7 21. Kg2 Rab8 22. a3 Qb6 23. Rad1 Na4 24. Qxb6 Rxb6 25. Rb1 Nd7 26. h4 Ndc5 27. h5 Rcb8 28. Rh1 Bc8 29. Rh4 Bf6 30. g5 Bg7 31. Ne1 Bd7 32. Nf3 Na6 33. Be3 R6b7 34. Nd2 Rc8 35. Bxa4 bxa4 36. Ngf1 Bb5 37. Nh2 Nc5 38. Bxc5 Rxc5 39. Ng4 Bd7 40. Ne3 Rbc7 41. Rh2 Bc8 42. Kf3 Bd7 43. Ke2 Bf8 44. Rbh1 Bg7 45. Kd1 Kf8 46. Kc1 Bc8 47. Rh4 Kg8 48. Ndf1 f5 49. gxf6 Bxf6 50. R4h2 Rg7 51. hxg6 hxg6 52. Rg2 Kf7 53. Nd2 Ba6 54. Rh8 Bb5 55. Ra8 Rh7 56. Ra7+ Be7 57. Nf3 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.06"]
[Round "3"]
[White "Brzezina, Piotr"]
[Black "Haladaj, Adam1"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2052"]
[BlackElo "1694"]
[PlyCount "89"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 Re8+ 9. Ne2 h5 10. Be3 Nd7 11. 0-0-0 b5 12. d5 c5 13. Bxb5 Rb8 14. c4 a6 15. Ba4 Re5 16. Ng3 Nb6 17. Bc6 h4 18. Ne4 Bf5 19. f3 Qe7 20. Rhe1 Bxe4 21. fxe4 Rxe4 22. Bd2 f5 23. b3 Bxh2 24. d6 Bxd6 25. Bxe4 fxe4 26. Rxe4 Qf6 27. Bc3 Bf4+ 28. Kb1 Qg5 29. Rde1 Bd6 30. Re8+ Rxe8 31. Rxe8+ Bf8 32. Qd3 Qg6 33. Qxg6 fxg6 34. Re6 Nd7 35. Rxg6 Kh7 36. Rg4 Nf6 37. Rxh4+ Kg6 38. Bxf6 gxf6 39. Kc2 Bd6 40. Rh8 a5 41. Ra8 Bc7 42. Rc8 Bd6 43. Rc6 Be7 44. Rc7 Bd6 45. Ra7 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.05"]
[Round "2"]
[White "Lewtak, Damian"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2353"]
[BlackElo "2052"]
[PlyCount "59"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. e3 Bb7 4. b3 e6 5. Bb2 Be7 6. Be2 0-0 7. Rg1 d5 8. g4 c5 9. g5 Ne4 10. h4 Nc6 11. d3 Nd6 12. Nbd2 b5 13. Rc1 bxc4 14. bxc4 dxc4 15. dxc4 Nf5 16. a3 Rb8 17. Qc2 Ba8 18. Bc3 Qb6 19. Bd3 Rfd8 20. Bxf5 exf5 21. Qxf5 Qa6 22. h5 Qxa3 23. Ke2 Nd4+ 24. exd4 cxd4 25. Bxd4 Rxd4 26. Nxd4 Bb4 27. Qe5 Rd8 28. g6 f6 29. Qe6+ Kh8 30. h6 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.04"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Ejsymont, Eryk"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2052"]
[BlackElo "1545"]
[PlyCount "117"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bd3 Bd6 8. 0-0 0-0 9. Bg5 c6 10. h3 h6 11. Bh4 Nbd7 12. Ne2 Re8 13. Bg3 Bxg3 14. Nxg3 Ne4 15. Bxe4 dxe4 16. Nd2 Nf6 17. Re1 Qxd4 18. Ndxe4 Qxd1 19. Nxf6+ gxf6 20. Rexd1 Be6 21. Nh5 Red8 22. Nxf6+ Kg7 23. Nh5+ Kh7 24. Ng3 Rac8 25. f3 Bd5 26. Kf2 Re8 27. b3 b5 28. Rd4 Rcd8 29. Rad1 Rb8 30. Nh5 Rec8 31. Nf6+ Kg7 32. Nd7 Rb7 33. Nc5 Rbc7 34. Re1 a5 35. c4 bxc4 36. bxc4 Be6 37. Rxe6 fxe6 38. Nxe6+ Kf7 39. Nxc7 Rxc7 40. Rd6 Rb7 41. Rxh6 Rb2+ 42. Kg3 Rxa2 43. Rxc6 a4 44. Ra6 a3 45. h4 Ra1 46. h5 a2 47. c5 Rc1 48. Rxa2 Rxc5 49. Kh4 Kg7 50. g4 Rc1 51. f4 Kh7 52. Ra7+ Kg8 53. f5 Rc8 54. h6 Kh8 55. Kh5 Rc5 56. Kg6 Rc8 57. f6 Rg8+ 58. Rg7 Ra8 59. Rh7+ 1-0

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.18"]
[Round "9"]
[White "Brzezina, Piotr"]
[Black "Syzdyk, Samir"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2036"]
[BlackElo "1639"]
[PlyCount "64"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 a6 11. Na3 0-0 12. 0-0 f5 13. Bd2 Nd7 14. a5 Rf6 15. Nc4 h6 16. f4 exf4 17. Bxf4 b5 18. axb6 Nxb6 19. Na5 Qc7 20. c4 Bd7 21. b4 g5 22. Be3 Rb8 23. Qb3 Kh7 24. Bd3 Rff8 25. Qc2 Qc8 26. Nc6 Bxc6 27. Bxf5+ Rxf5 28. Rxf5 Kg8 29. Rxg5+ Bxg5 30. Qg6+ Kf8 31. Rf1+ Ke7 32. Rf7+ Kd8 1-0

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.17"]
[Round "8"]
[White "Moewisch, Dave"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1916"]
[BlackElo "2036"]
[PlyCount "94"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 g6 5. Bd3 Bg7 6. Bc2 e5 7. 0-0 0-0 8. d4 cxd4 9. cxd4 exd4 10. Nxd4 Re8 11. Re1 Nc6 12. Nxc6 bxc6 13. Nc3 Be6 14. Ba4 Rc8 15. Bf4 d5 16. exd5 Nxd5 17. Nxd5 Qxd5 18. Qc2 Qd4 19. Be3 Qxb2 20. Qxb2 Bxb2 21. Rab1 Be5 22. Rec1 Bxa2 23. Rb7 Bd5 24. Rxa7 Red8 25. Bc5 Ra8 26. Rxa8 Rxa8 27. Re1 f6 28. Bc2 Ra2 29. Bd3 Rd2 30. Bb1 Bd4 31. Bxd4 Rxd4 32. f3 Rd2 33. Be4 Kf7 34. Bxd5+ Rxd5 35. f4 c5 36. Kf2 f5 37. g4 c4 38. gxf5 Rxf5 39. Ke3 Rf6 40. Rc1 Rc6 41. Rc3 Kf6 42. Ke4 Rc8 43. h4 h5 44. Kd5 Kf5 45. Kd6 Rd8+ 46. Kc5 Kg4 47. Kb4 Rd4 0-1

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.16"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Buchta, Vaclav"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2036"]
[BlackElo "1923"]
[PlyCount "112"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Nb3 Bb6 8. Be2 Nf6 9. 0-0 0-0 10. Bf4 Nc6 11. Nfd4 Ne4 12. c3 f5 13. f3 Nf6 14. Bg5 Qe8 15. Re1 Qh5 16. Bxf6 Rxf6 17. f4 Qf7 18. Bh5 g6 19. Bf3 Bd7 20. Qd2 Re6 21. Rxe6 Qxe6 22. Re1 Nxd4 23. Nxd4 Bxd4+ 24. Kh1 Qf7 25. Qxd4 Bc6 26. Re5 Re8 27. Rxe8+ Qxe8 28. Bxd5+ Bxd5 29. Qxd5+ Kf8 30. h3 Qe2 31. Qc5+ Kg7 32. Qc7+ Kh6 33. Qxb7 Qf1+ 34. Kh2 Qxf4+ 35. g3 Qd2+ 36. Qg2 Qe3 37. Qf1 Qd2+ 38. Qg2 Qe3 39. Qc2 f4 40. gxf4 Qxf4+ 41. Kg2 Qg5+ 42. Kf1 Qf4+ 43. Qf2 Qc1+ 44. Kg2 Qg5+ 45. Kh1 Qd5+ 46. Kh2 Qd6+ 47. Kg1 Qd1+ 48. Qf1 Qd6 49. Qf3 Qc5+ 50. Kh1 Qg5 51. Qf8+ Kh5 52. Qf2 Qd5+ 53. Kh2 Qe5+ 54. Kg2 Qg5+ 55. Kf3 Qf5+ 56. Ke2 Qe6+ 1/2-1/2

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.15"]
[Round "6"]
[White "Brzezina, Pawel"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1769"]
[BlackElo "2036"]
[PlyCount "65"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Qc2 Nxc3 9. Qxc3 0-0 10. Bg2 d6 11. 0-0 e5 12. e3 Bg4 13. h3 Bh5 14. b4 exd4 15. Nxd4 Nxd4 16. Qxd4 c6 17. Rab1 a6 18. g4 Bg6 19. Rbd1 Rfd8 20. Qf4 Qe5 21. Rd4 Qxf4 22. exf4 f6 23. Rfd1 Bf7 24. Bf1 a5 25. bxa5 d5 26. cxd5 Rxd5 27. a6 bxa6 28. Bc4 Rxd4 29. Rxd4 Bxc4 30. Rxc4 Rc8 31. Ra4 Ra8 32. Rc4 Rc8 33. Ra4 1/2-1/2

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.14"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Wu, Yixing"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2036"]
[BlackElo "2307"]
[PlyCount "48"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 a5 6. Bg2 dxc4 7. 0-0 c5 8. dxc5 Bxc5 9. Qa4+ Nbd7 10. Qxc4 b5 11. Qc2 Bb7 12. Nc3 Qb6 13. Rac1 0-0 14. e3 Rac8 15. Rfd1 Rfd8 16. Qb1 Bc6 17. Ng5 Bxg2 18. Kxg2 Qb7+ 19. Kg1 h6 20. Nge4 b4 21. Nxf6+ Nxf6 22. Na4 Ba7 23. Be1 Ne4 24. h4 Nxg3 0-1

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.14"]
[Round "4"]
[White "Cupid, Kevin"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2186"]
[BlackElo "2036"]
[PlyCount "178"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 c5 6. dxc5 0-0 7. e3 Nbd7 8. cxd5 exd5 9. a3 Bxc3+ 10. Qxc3 Ne4 11. Qc2 Ndxc5 12. b4 Nd7 13. Bd3 a5 14. Bb2 axb4 15. axb4 Rxa1+ 16. Bxa1 Qe7 17. 0-0 Qxb4 18. Rb1 Qe7 19. Bd4 Ndf6 20. Ne5 Be6 21. Qb2 Rc8 22. f3 Nd6 23. Qb4 Qc7 24. Bb6 Qb8 25. Bd4 b5 26. Qa5 Qa8 27. Qxa8 Rxa8 28. Bxb5 Nxb5 29. Rxb5 Ne8 30. Rb6 h6 31. h3 Nc7 32. Rb7 Ne8 33. Bc5 Rc8 34. Rb5 Bf5 35. g4 Be6 36. Kf2 Nc7 37. Rb6 Na8 38. Rb5 Nc7 39. Rb2 Ne8 40. Nd3 Nf6 41. Bd4 Nd7 42. Nf4 Nf8 43. Rb5 Rd8 44. Rb6 Kh7 45. h4 Kg8 46. Kg3 Kh7 47. Bc5 Nd7 48. Nxe6 fxe6 49. Rd6 Rc8 50. Bb4 Rc4 51. Rxd7 Rxb4 52. Rd6 Rb7 53. Rxe6 Rd7 54. g5 hxg5 55. hxg5 d4 56. exd4 Rxd4 57. f4 g6 58. Kf3 Kg7 59. Ke3 Ra4 60. Rc6 Kf7 61. Rd6 Rb4 62. Rd7+ Kf8 63. Rd4 Rb1 64. Kd3 Re1 65. Kc4 Ke7 66. Kd5 Kf7 67. Kd6 Re2 68. Kc5 Rc2+ 69. Rc4 Rd2 70. Rd4 Rc2+ 71. Kd5 Re2 72. Re4 Rxe4 73. Kxe4 Ke6 74. Ke3 Ke7 75. Ke2 Ke6 76. Kd2 Kd6 77. Kc2 Ke6 78. Kd3 Kd7 79. Kc2 Ke6 80. Kd2 Kd6 81. Ke2 Ke6 82. Kf3 Kd6 83. Ke4 Ke6 84. f5+ gxf5+ 85. Kf4 Kf7 86. Kxf5 Kg7 87. g6 Kg8 88. Kf6 Kf8 89. g7+ Kg8 1/2-1/2

[Event "Brno op 12th"]
[Site "Brno"]
[Date "2023.11.13"]
[Round "3"]
[White "Brzezina, Piotr"]
[Black "Nergard, Ole Kristian"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2036"]
[BlackElo "1732"]
[PlyCount "59"]
[EventDate "2023.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 h5 10. 0-0-0 Nbd7 11. Nd5 Nxd5 12. exd5 Bf5 13. Kb1 Rc8 14. Bd3 Bxd3 15. Qxd3 Bg5 16. Bf2 0-0 17. h4 Bh6 18. g4 hxg4 19. fxg4 Bf4 20. g5 f5 21. Qf3 Qc7 22. c3 a5 23. h5 Bxg5 24. h6 Bxh6 25. Rdg1 Rf6 26. Bh4 Rff8 27. Qh5 a4 28. Nd2 e4 29. Bg5 Kh8 30. Bxh6 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.13"]
[Round "8"]
[White "Brzezina, Piotr"]
[Black "Gabadadze, Gabriel"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2115"]
[BlackElo "1732"]
[PlyCount "82"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 d5 6. cxd5 exd5 7. g3 Be7 8. Bg2 0-0 9. 0-0 Re8 10. Nc3 Nbd7 11. Nh4 c5 12. Nf5 cxd4 13. Nxd4 Bc5 14. Rd1 Rc8 15. Bg5 h6 16. Bxf6 Nxf6 17. e3 Bb7 18. Nb3 Bf8 19. Qe2 Re5 20. Nc1 g5 21. Nd3 Re8 22. Nb4 Rc5 23. Qd2 Bg7 24. Rac1 Rxc3 25. bxc3 Ne4 26. Qe1 Qa8 27. f3 Nd6 28. Nc2 Nc4 29. Rb1 Qc8 30. Bf1 g4 31. Bxc4 dxc4 32. Nd4 Bxd4 33. Rxd4 Bxf3 34. Qd2 Qf5 35. Rf1 h5 36. e4 Rxe4 37. Rxe4 Qxe4 38. Re1 Qf5 39. Qd4 Bc6 40. Rf1 Bf3 41. Re1 Bc6 1/2-1/2

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.12"]
[Round "7"]
[White "Buyuk, Eymen Eren"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1977"]
[BlackElo "2115"]
[PlyCount "208"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 b6 6. Bd2 Bb7 7. Bd3 d6 8. Qc2 Nbd7 9. 0-0 e5 10. d5 Nc5 11. Bf5 Bc8 12. Bxc8 Qxc8 13. a3 Bxc3 14. Bxc3 Qg4 15. b4 Ncd7 16. Nd2 Rac8 17. Rfd1 Qh4 18. Bb2 Ng4 19. Nf3 Qh5 20. h3 Nh6 21. c5 bxc5 22. bxc5 f5 23. Rac1 e4 24. Nd4 Nxc5 25. Ne6 Nxe6 26. dxe6 Qe8 27. Qc4 Qe7 28. Qd4 Rf6 29. Qxa7 Rxe6 30. Qb7 Qd7 31. Rc6 Nf7 32. Rdc1 Re7 33. Qb3 Kh8 34. a4 Nd8 35. R6c2 Ne6 36. Ba3 Ra8 37. Rc4 c5 38. Rd1 Qc6 39. Rc3 Nc7 40. Bb2 h6 41. Rc2 Rd7 42. Rcd2 d5 43. Be5 c4 44. Qc3 Ne6 45. a5 Nc5 46. Rb1 Kh7 47. Ra2 Rb7 48. Rxb7 Qxb7 49. Rb2 Nb3 50. Rb1 Qf7 51. Qb4 Nxa5 52. Qb6 Nb3 53. Qc6 Re8 54. Bc3 Rd8 55. Rd1 Qd7 56. Qb6 Qd6 57. Qb5 Qd7 58. Qb6 Rc8 59. Kh1 Rd8 60. Kg1 Re8 61. Qa6 Rd8 62. Qb6 Rc8 63. Qa6 Rc5 64. Qa8 Qf7 65. Qb8 Qd7 66. Qf8 Rc7 67. Qb8 Rb7 68. Qf8 Qe6 69. Qa8 Rd7 70. Qf8 Rf7 71. Qd8 Rd7 72. Qf8 Kg6 73. Qb8 Qf7 74. Qg3+ Kh7 75. Qb8 Qe7 76. Qa8 Qd8 77. Qc6 Rd6 78. Qb7 Qd7 79. Qa8 d4 80. Bb4 c3 81. Qa2 Rc6 82. Qxb3 c2 83. Rc1 d3 84. Bd2 Qc7 85. Qb5 Rc5 86. Qe8 Qb7 87. h4 Rb5 88. Qe6 Rb1 89. Qxf5+ g6 90. Qa5 Qb2 91. Qc7+ Kg8 92. Qc4+ Kf8 93. Qc5+ Ke8 94. Qc6+ Kf7 95. Qd5+ Kf8 96. Qd6+ Kf7 97. Qc7+ Ke8 98. Qc6+ Kf8 99. Qc5+ Ke8 100. Qc8+ Ke7 101. Qc7+ Ke8 102. Qc6+ Kf8 103. Qd6+ Kf7 104. Qd5+ Kf8 1/2-1/2

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.11"]
[Round "6"]
[White "Brzezina, Piotr"]
[Black "Shilon Rahav, Eliran"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2115"]
[BlackElo "1854"]
[PlyCount "117"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 c5 6. Nxc5 Nc6 7. Nb3 a5 8. a4 Bb4+ 9. Bd2 Nxd4 10. Bxb4 Nxb3 11. Qxb3 Qb6 12. Bd3 axb4 13. Nf3 Nf6 14. 0-0 Nd7 15. Qc2 h6 16. b3 0-0 17. Rad1 Nc5 18. Ne5 Qc7 19. Rfe1 b6 20. Be4 Nxe4 21. Qxe4 Bb7 22. Qe3 Rad8 23. Nd3 Qd6 24. f3 e5 25. Qxe5 Qg6 26. Qg3 Qf5 27. Qf4 Qh5 28. Qe3 Rfe8 29. Qf2 Rxe1+ 30. Qxe1 Qg5 31. Kh1 Kh7 32. Nxb4 Rxd1 33. Qxd1 g6 34. Nd5 h5 35. Nxb6 h4 36. h3 Qg3 37. Nd5 Bc8 38. Nf6+ Kg7 39. Qa1 Kf8 40. Ne4 Qf4 41. Qh8+ Ke7 42. Qxc8 Qc1+ 43. Kh2 Qf4+ 44. Kg1 Qe3+ 45. Kf1 Qd3+ 46. Ke1 Qe3+ 47. Kd1 Qxb3+ 48. Ke2 Qb2+ 49. Nd2 Qe5+ 50. Kd3 Qd6+ 51. Kc2 Qa3 52. Qb7+ Kf8 53. Qb8+ Ke7 54. Qb3 Qc5 55. Ne4 Qg1 56. Qb4+ Ke8 57. Nf6+ Kd8 58. Qd6+ Kc8 59. Qc6+ 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.08"]
[Round "4"]
[White "Brzezina, Piotr"]
[Black "Ivanov, Andrey A2222"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2115"]
[BlackElo "1905"]
[PlyCount "119"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nxc3 6. Bxc3 Bg7 7. e4 0-0 8. Qd2 Nd7 9. h4 e5 10. d5 f5 11. Bc4 Nf6 12. h5 Nxe4 13. d6+ Rf7 14. dxc7 Qxc7 15. Bxf7+ Kxf7 16. hxg6+ hxg6 17. Qe3 Be6 18. Nf3 Kg8 19. Ng5 Nxg5 20. Qxg5 Bf7 21. 0-0 Rd8 22. Rfd1 Rd6 23. Qe3 b6 24. Rxd6 Qxd6 25. Re1 e4 26. Bxg7 Kxg7 27. Qc3+ Kg8 28. b3 Qd7 29. Rc1 Qd6 30. Qc8+ Kg7 31. Qc7 Qe6 32. Qc3+ Kh7 33. Rd1 Qe7 34. Qd4 Qe6 35. Qd6 Qe8 36. Qf6 Qe6 37. Qxe6 Bxe6 38. Rd6 Bc8 39. Rc6 Ba6 40. Rc7+ Kh6 41. Rxa7 Bd3 42. Rb7 b5 43. a4 bxa4 44. bxa4 f4 45. a5 e3 46. fxe3 fxe3 47. Rb3 Ba6 48. Rxe3 Kh5 49. Re6 Bc4 50. Rc6 Bd3 51. a6 Kh4 52. a7 Be4 53. Rc4 Kg3 54. Rxe4 g5 55. a8Q g4 56. Qb8+ Kh4 57. g3+ Kh3 58. Qh8+ Kxg3 59. Qh2+ Kf3 60. Qg2# 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.07"]
[Round "3"]
[White "Alizada, Pasham"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1907"]
[BlackElo "2115"]
[PlyCount "95"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nc3 d5 4. e4 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. c3 Nd7 9. Nf3 0-0 10. Bd3 e5 11. 0-0 exd4 12. Nxd4 Ne5 13. Be4 Nc4 14. Bxh7+ Kxh7 15. Qd3+ Qg6 16. Qxc4 Bh3 17. Qd5 c6 18. Qf3 Bg4 19. Qg3 c5 20. Nb3 b6 21. Rfe1 Rfe8 22. f3 Bf5 23. Qxg6+ Kxg6 24. Kf2 Rxe1 25. Rxe1 Rd8 26. Re7 Be6 27. Ke1 a5 28. Nc1 Kf6 29. Rb7 Rd6 30. b3 Bf5 31. Ne2 Bb1 32. a3 Bc2 33. b4 cxb4 34. cxb4 g6 35. Nc3 Kg7 36. Nb5 Rd1+ 37. Kf2 axb4 38. axb4 Rd2+ 39. Kg3 Bd3 40. Rd7 Kf6 41. Nc3 Ke6 42. Rd8 f5 43. h4 Ke5 44. Rd5+ Ke6 45. b5 Rd1 46. Rd8 Rd2 47. Kf4 Ke7 48. Rd4 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.06"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Constantinoiu, Alexandru Ioan"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2115"]
[BlackElo "1844"]
[PlyCount "75"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e6 7. f4 Nc6 8. Nxc6 bxc6 9. e5 Nd5 10. Ne4 Be7 11. 0-0 dxe5 12. fxe5 0-0 13. Qh5 g6 14. Qh6 f5 15. exf6 Bxf6 16. Nxf6+ Rxf6 17. Bg5 Rxf1+ 18. Rxf1 Qe8 19. Bxg6 hxg6 20. Bf6 Nxf6 21. Rxf6 Rb8 22. Rxg6+ Qxg6 23. Qxg6+ Kf8 24. Qf6+ Ke8 25. h4 Rb7 26. Qh8+ Kd7 27. h5 Kc7 28. h6 Bd7 29. h7 Rb5 30. Qg7 Rd5 31. Qg3+ Kb7 32. h8Q Rd1+ 33. Kh2 c5 34. Qhb8+ Kc6 35. Qgc7+ Kd5 36. Qxd7+ Ke4 37. Qxe6+ Kd4 38. Qf4# 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.09.05"]
[Round "1"]
[White "Jeronovics, Toms"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1677"]
[BlackElo "2115"]
[PlyCount "62"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. Be2 Rc8 11. 0-0-0 b5 12. Kb1 Qc7 13. h3 h4 14. Rhe1 Be7 15. f4 0-0 16. f5 Bc4 17. Bf3 b4 18. Nd5 Bxd5 19. exd5 a5 20. g4 hxg3 21. Rg1 a4 22. Na1 a3 23. Rxg3 axb2 24. Nb3 Kh8 25. Rdg1 Rg8 26. Qg2 Bf8 27. Rg4 Nxg4 28. hxg4 g5 29. Bxg5 Rxg5 30. Qh2+ Kg8 31. Rh1 Bg7 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Rutkowski, Feliks"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "2038"]
[BlackElo "1475"]
[PlyCount "48"]
[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. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Be2 dxc4 8. Bxc4 a6 9. a3 c5 10. 0-0 b6 11. Qe2 Bb7 12. Rfd1 Nd5 13. Bxd5 Bxd5 14. Bxe7 Qxe7 15. Nxd5 exd5 16. dxc5 Qxc5 17. Rac1 Qd6 18. Qd3 Nf6 19. e4 Qe7 20. e5 Nd7 21. Qxd5 Rfd8 22. h3 Nc5 23. Qc6 Rxd1+ 24. Rxd1 Rd8 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "1"]
[White "Businski, Jan"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1299"]
[BlackElo "2038"]
[PlyCount "48"]
[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. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Nf3 Nc6 9. Be2 Qa5 10. Qd2 cxd4 11. cxd4 Qxd2+ 12. Nxd2 e6 13. 0-0 0-0 14. Bf3 dxc4 15. Nxc4 Bd7 16. Nd6 Rfb8 17. Bg3 Nb4 18. Ne4 Rc8 19. Nd6 Rcb8 20. Rab1 Bc6 21. Bxc6 bxc6 22. Ne4 Rb5 23. Nc5 Bf8 24. Nd7 Rc8 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "8"]
[White "Golis, Wiktor"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2088"]
[BlackElo "2038"]
[PlyCount "115"]
[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. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. e3 Bd6 7. Qc2 a6 8. b3 Nbd7 9. Bb2 0-0 10. Bd3 Rc8 11. 0-0 Re8 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 Nf6 16. Qe2 c5 17. Rfd1 Qe7 18. Rac1 Red8 19. dxc5 bxc5 20. Rd3 Bc7 21. Rcd1 Rxd3 22. Rxd3 Rd8 23. Qd1 Rxd3 24. Qxd3 Qd7 25. Qc2 Qe7 26. h3 h6 27. Ne5 Nd7 28. Nf3 Qd6 29. g3 a5 30. Qe4 Qd1+ 31. Kg2 Qxb3 32. Bc1 Qb8 33. Qc6 Ne5 34. Nxe5 Bxe5 35. Qxc5 Qb7+ 36. Kh2 Bc7 37. Be3 g6 38. Qb5 Qxb5 39. cxb5 h5 40. a4 Kf8 41. b6 Bb8 42. Bd2 Ke7 43. Bxa5 Kd6 44. Bd2 Kc5 45. a5 Kb5 46. Kg2 e5 47. Kf3 f5 48. g4 hxg4+ 49. hxg4 e4+ 50. Ke2 Bd6 51. gxf5 gxf5 52. f3 Bb8 53. fxe4 fxe4 54. Ke3 Bd6 55. Kxe4 Bc5 56. Be3 Bd6 57. Kd5 Bb8 58. Ke4 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "10"]
[White "Brzezina, Piotr"]
[Black "Jasiulewicz, Kamil"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1708"]
[BlackElo "1282"]
[PlyCount "63"]
[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. f3 a6 6. c4 e6 7. Nc3 Be7 8. Be3 b6 9. Be2 Bb7 10. 0-0 0-0 11. Qd2 Qc7 12. Rac1 Nc6 13. Nd5 Qd8 14. Nxc6 Bxc6 15. Bxb6 Qd7 16. Nxe7+ Qxe7 17. Rfd1 Rfc8 18. Be3 Ne8 19. Qc3 a5 20. b3 Rcb8 21. Qb2 h6 22. Bf4 Rb7 23. Qc3 Rd7 24. Rd2 e5 25. Be3 Qd8 26. Rcd1 Bb7 27. c5 Ba6 28. c6 Re7 29. Bc5 Bxe2 30. Rxe2 Re6 31. Red2 Qc7 32. Bxd6 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "8"]
[White "Brzezina, Piotr"]
[Black "Kisiel, Wiktor"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1708"]
[BlackElo "1404"]
[PlyCount "87"]
[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. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 Nf6 5. Bf4 Bb4 6. Qc2 0-0 7. e3 d5 8. a3 Bxc3+ 9. bxc3 c5 10. cxd5 exd5 11. Bd3 Nc6 12. 0-0 Re8 13. Bg5 h6 14. Bh4 c4 15. Be2 Qe7 16. Nd2 Qe6 17. Bf3 Ne4 18. Bxe4 dxe4 19. Rae1 Ne7 20. Bxe7 Rxe7 21. f4 f5 22. a4 Bd5 23. Kh1 h5 24. Rb1 Rb8 25. Rb4 a6 26. Rfb1 Reb7 27. Qd1 g6 28. Qe2 b5 29. Qd1 Qc6 30. h3 Kg7 31. axb5 axb5 32. Ra1 Kf7 33. Ra5 Rb6 34. Qa1 Ra8 35. Rxa8 Qxa8 36. Qxa8 Bxa8 37. Nxc4 Rb8 38. Rxb5 Rxb5 39. Nd6+ Ke6 40. Nxb5 Bc6 41. c4 Bxb5 42. cxb5 Kd6 43. Kh2 Kc7 44. d5 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Radzimski, Antoni"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1708"]
[BlackElo "1943"]
[PlyCount "148"]
[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. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 Nc6 6. Nc3 d5 7. a3 Bxc3 8. Bxc3 0-0 9. Bg2 Rd8 10. 0-0 Rb8 11. Ne5 Bd7 12. Qc2 dxc4 13. Nxc4 b5 14. Na5 Rb6 15. e4 Be8 16. Nxc6 Rxc6 17. Qe2 Rc4 18. Bb4 Qd7 19. Bc5 e5 20. b3 Rxd4 21. Bxd4 exd4 22. Rfd1 c5 23. Rac1 Qe6 24. Rxc5 Qxb3 25. Rd3 Qb1+ 26. Qd1 Qa2 27. e5 Nd7 28. Rxd4 Qxa3 29. Rcd5 Rc8 30. Qe2 Qe7 31. Bh3 Rc1+ 32. Rd1 Rxd1+ 33. Rxd1 Nxe5 34. Qe3 f6 35. f4 Nc6 36. Qxe7 Nxe7 37. Rd8 Kf7 38. Be6+ Kxe6 39. Rxe8 a5 40. Rb8 b4 41. Rb5 Nc6 42. Kf2 a4 43. Rb6 Kd5 44. Ke3 Kc5 45. Ra6 Kb5 46. Ra8 a3 47. Kd3 Na5 48. Kc2 b3+ 49. Kc3 a2 50. Kb2 Ka4 51. f5 Kb4 52. Rb8+ Kc4 53. Rc8+ Kb5 54. Rb8+ Ka6 55. Rb4 Ka7 56. g4 Ka6 57. h4 h6 58. Rb8 Ka7 59. Rb4 Ka6 60. h5 Ka7 61. Ra4 Kb6 62. Rb4+ Kc5 63. Rb8 Nc4+ 64. Ka1 Nb6 65. Rb7 Kc6 66. Rxg7 Nc4 67. Rg8 Kc5 68. Rc8+ Kb4 69. g5 Na3 70. Rb8+ Kc3 71. Rc8+ Kd3 72. Rd8+ Kc2 73. Rc8+ Kd2 74. Ra8 Kc1 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "9"]
[White "Kaszuba, Michal"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "1594"]
[BlackElo "1708"]
[PlyCount "146"]
[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. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 c5 10. e3 d6 11. b3 Bf6 12. Bb2 Qe7 13. Qd2 Nc6 14. Rad1 Rad8 15. e4 e5 16. d5 Nd4 17. Nxd4 exd4 18. Qd3 g6 19. f4 Bc8 20. Rde1 Rde8 21. Rf2 Bg7 22. Rfe2 Qc7 23. a3 Re7 24. b4 a5 25. b5 Rfe8 26. Bf3 Bd7 27. a4 f5 28. exf5 Bxf5 29. Rxe7 Rxe7 30. Rxe7 Qxe7 31. Qe2 Qxe2 32. Bxe2 d3 33. Bxg7 dxe2 34. Bc3 Bd3 35. Kf2 Bxc4 36. Bf6 Bxd5 37. Bd8 Bb3 38. Bxb6 Bxa4 39. Bxa5 Bxb5 40. Bc7 d5 41. Bb6 d4 42. Bxc5 d3 43. Bb4 Kf7 44. Ke3 Ke6 45. Ke4 Bc4 46. Kd4 Ba6 47. Ke4 Kd7 48. Kd5 Bb5 49. Ke5 Ba4 50. Kd5 Bb3+ 51. Kd4 Bc2 52. Kd5 Kc7 53. Ba5+ Kb7 54. Kc5 Ka6 55. Bc3 Kb7 56. Ba5 Ba4 57. Bc3 Kc7 58. Kb4 Bc6 59. Kc5 Be4 60. Kd4 Bf5 61. Kc5 Kd7 62. Kd5 Bh3 63. Ba5 Bg2+ 64. Kd4 Bf1 65. Be1 Ke6 66. Kxd3 Kf5 67. Ke3 Kg4 68. Kf2 h5 69. Bc3 Kh3 70. Kg1 h4 71. gxh4 Kxh4 72. Kf2 Kh3 73. Be5 Kg4 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "4"]
[White "Brzezina, Piotr"]
[Black "Malecki, Patryk"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1708"]
[BlackElo "1458"]
[PlyCount "113"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 b6 7. e4 d6 8. Bg5 e5 9. d5 h6 10. Bh4 Ba6 11. Nh3 Nbd7 12. Be2 Rc8 13. 0-0 c6 14. Rc1 cxd5 15. cxd5 Bxe2 16. Qxe2 Qc7 17. Nf2 Qc4 18. Qd2 b5 19. Nd1 Qc5+ 20. Ne3 Qxa3 21. Nf5 Kh7 22. Bf2 Nb6 23. Bxb6 axb6 24. Rb1 Qc5+ 25. Kh1 Nd7 26. Rb3 Ra8 27. Rfb1 Ra5 28. h3 Rfa8 29. Qd3 Ra3 30. Qxb5 Qxb5 31. Rxb5 Rxc3 32. Nxd6 Ra2 33. Nxf7 Rcc2 34. Rg1 Kg6 35. Nd6 Kg5 36. Nf5 g6 37. Ne3 Re2 38. Nc4 Kh4 39. d6 Kg3 40. Nxb6 Nxb6 41. Rxb6 Rxg2 42. Rxg2+ Rxg2 43. Rb5 Rd2 44. Rd5 Rh2+ 45. Kg1 Ra2 46. Kf1 Kxf3 47. Ke1 Kxe4 48. d7 Kxd5 49. d8Q+ Ke4 50. Qf6 Ra1+ 51. Kd2 Ra2+ 52. Kc1 Ra3 53. Qxg6+ Kd5 54. Qxh6 e4 55. Qg5+ Kd4 56. Qf6+ Kc4 57. Qe6+ 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Strus, Mateusz"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1708"]
[BlackElo "1255"]
[PlyCount "95"]
[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. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Bg5 Nbd7 7. Nh3 e5 8. d5 b6 9. Qd2 Bb7 10. Nf2 Qc8 11. g4 Ne8 12. Be7 f6 13. Bxf8 Nxf8 14. h4 Qd7 15. Bh3 Qe7 16. g5 Bc8 17. 0-0-0 a6 18. Kb1 Bd7 19. Rdg1 b5 20. b3 bxc4 21. bxc4 Rb8+ 22. Ka1 a5 23. Rb1 Ra8 24. Nd3 Bxh3 25. Rxh3 Nd7 26. Na4 f5 27. Rhh1 f4 28. Rb5 Qd8 29. Rxa5 Rb8 30. Rb1 Rxb1+ 31. Kxb1 Qb8+ 32. Rb5 Qa7 33. Nab2 Nb6 34. Qa5 Qxa5 35. Rxa5 Kf7 36. a4 Ke7 37. Rb5 Kd7 38. a5 Nc8 39. a6 c6 40. Rb7+ Nc7 41. a7 Nxa7 42. Rxa7 c5 43. Na4 Kc8 44. Ndxc5 dxc5 45. Nxc5 Bf8 46. Rxc7+ Kxc7 47. Ne6+ Kd6 48. Nxf8 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "5"]
[White "Chiszko, Oskar"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "E25"]
[WhiteElo "1876"]
[BlackElo "1708"]
[PlyCount "42"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 0-0 9. e4 Nf6 10. Qxd8 Rxd8 11. Bg5 h6 12. Bh4 Nc6 13. Bb5 e5 14. Bxc6 bxc6 15. Ne2 Ba6 16. Ra2 g5 17. Bg3 Nd7 18. Bf2 Bc4 19. Rd2 Nf6 20. Rc2 Bd3 21. Rd2 Bc4 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "3"]
[White "Marcinkowski, Adam"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1360"]
[BlackElo "1708"]
[PlyCount "30"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 d5 8. cxd5 exd5 9. Be3 h6 10. Bf4 Bxc3 11. bxc3 Nbd7 12. Rc1 Rc8 13. Bh3 g5 14. Bxd7 Qxd7 15. Ne5 Qf5 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "6"]
[White "Niezhentsev, Kyrylo"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2146"]
[BlackElo "1708"]
[PlyCount "134"]
[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. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Bg4 10. Be3 Na5 11. Ba2 c5 12. Nd5 Be6 13. c3 Nxd5 14. Bxd5 Bxd5 15. exd5 c4 16. a4 f5 17. axb5 axb5 18. dxc4 bxc4 19. Qe2 f4 20. Bd2 Qc7 21. Ra4 Qb7 22. Qe4 Rfc8 23. Rd1 Rc5 24. Be1 Rb5 25. Rb4 Rc8 26. Qf5 Rxb4 27. cxb4 Nb3 28. Qe6+ Kh8 29. Bc3 h6 30. g3 fxg3 31. hxg3 Rf8 32. Kg2 Qa7 33. Rh1 Kh7 34. Qg4 Qc7 35. Qe4+ Kh8 36. Nxe5 dxe5 37. Bxe5 Qb6 38. Bxg7+ Kxg7 39. Qxe7+ Rf7 40. Qe5+ Kg8 41. f3 Qf6 42. Qxf6 Rxf6 43. Rh4 Rd6 44. Rxc4 Rxd5 45. Rc3 Rd2+ 46. Kh3 Rxb2 47. Rc8+ Kf7 48. Rc7+ Kg6 49. Rc6+ Kg7 50. Rc7+ Kg6 51. Rc6+ Kg7 52. Kg4 Nd4 53. Rb6 Nc2 54. Rb7+ Kg8 55. b5 Na3 56. Kh5 Nxb5 57. Kxh6 Kf8 58. Kg6 Rb3 59. g4 Nd4 60. Rf7+ Ke8 61. f4 Rb6+ 62. Rf6 Rxf6+ 63. Kxf6 Kf8 64. f5 Nc6 65. g5 Ne7 66. g6 Ng8+ 67. Ke6 Kg7 1/2-1/2

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.19"]
[Round "9"]
[White "Lecki, Leonard"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2090"]
[BlackElo "2038"]
[PlyCount "104"]
[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. g3 e5 7. Nde2 Nbd7 8. Bg2 b5 9. 0-0 Be7 10. h3 Bb7 11. g4 Nc5 12. Ng3 0-0 13. Re1 b4 14. Nd5 Nxd5 15. exd5 Bg5 16. Nf5 Bxc1 17. Qxc1 Bc8 18. Ne3 f5 19. gxf5 Bxf5 20. Nf1 Qh4 21. Re3 Rf6 22. Rg3 Raf8 23. Qd2 Bd7 24. f3 Rf4 25. Kh2 e4 26. fxe4 Nxe4 27. Qe1 Nxg3 28. Qxg3 Qxg3+ 29. Kxg3 R4f6 30. Ne3 Rg6+ 31. Kh2 Rf2 32. Re1 Rd2 33. Rf1 Re2 34. Rf3 Be8 35. h4 Bf7 36. Kh1 Rgxg2 37. Nxg2 Bxd5 38. Rg3 Rxc2 39. Kg1 Rxg2+ 40. Rxg2 Bxg2 41. Kxg2 Kf7 42. Kf3 Ke6 43. Ke4 d5+ 44. Kf4 Kf6 45. h5 g6 46. h6 g5+ 47. Ke3 Ke5 48. a4 bxa3 49. bxa3 g4 50. Kd3 d4 51. Kc4 g3 52. Kd3 g2 0-1

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.18"]
[Round "8"]
[White "Brzezina, Piotr"]
[Black "Madajczak, Piotr"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2038"]
[BlackElo "2072"]
[PlyCount "81"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Qb6 7. Nb3 Qd8 8. Nc3 Bxc3+ 9. bxc3 Nf6 10. f3 d6 11. Bh6 Be6 12. Nd4 Qa5 13. Qd2 Nd7 14. Be2 Nce5 15. Nxe6 fxe6 16. 0-0 Nf7 17. Bg7 Rg8 18. Bd4 e5 19. Be3 Nf6 20. Rfb1 Qc7 21. Qb2 Nd8 22. c5 Rc8 23. cxd6 exd6 24. Bxa7 Qxc3 25. Bb5+ Ke7 26. Qxc3 Rxc3 27. Rc1 Rxc1+ 28. Rxc1 Ne6 29. Be3 d5 30. exd5 Nxd5 31. Bc5+ Nxc5 32. Rxc5 Kd6 33. Rc1 Ra8 34. a4 Nb6 35. Ra1 Kc5 36. Kf2 Ra5 37. Rc1+ Kd6 38. Rb1 Kc7 39. Rb4 Nd5 40. Rc4+ Kd6 41. Rc8 1/2-1/2

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.17"]
[Round "7"]
[White "Wilk, Igor"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2098"]
[BlackElo "2038"]
[PlyCount "141"]
[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 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Re1 h6 7. c3 d6 8. Nbd2 a5 9. a4 Bb6 10. Nf1 Ne7 11. Ng3 Ng6 12. Bb3 c6 13. h3 Re8 14. Qe2 d5 15. Be3 Be6 16. Qc2 Bxe3 17. fxe3 dxe4 18. dxe4 Qb6 19. Ra3 Rad8 20. Nf5 Qc7 21. N3h4 Nxh4 22. Nxh4 Nd7 23. Bxe6 Rxe6 24. Nf5 Nb6 25. Raa1 Kh7 26. Rad1 g6 27. Nh4 Red6 28. Rxd6 Rxd6 29. Nf3 f6 30. c4 c5 31. b3 Qd7 32. Qc3 Rd3 33. Qxa5 Rxb3 34. Qxc5 Nxa4 35. Qf8 Qg7 36. Qc8 Nb6 37. Qe6 Na4 38. Rd1 Nc5 39. Qc8 Rd3 40. Rxd3 Nxd3 41. Nd2 Qe7 42. Nb1 Nb4 43. Nc3 Kg7 44. c5 Nd3 45. Nd5 Qxc5 46. Qd7+ Kf8 47. Qd8+ Kf7 48. Qxf6+ Ke8 49. Qxg6+ Kd7 50. Qf7+ Kd8 51. Qxb7 Qc1+ 52. Kh2 Ne1 53. Qe7+ Kc8 54. Nb6+ Kb8 55. Nd7+ Kc7 56. Nxe5+ Kb6 57. Qb4+ Kc7 58. Qc4+ Qxc4 59. Nxc4 Kd7 60. g4 Ke6 61. Kg3 Kf6 62. Nd2 Nd3 63. Nf3 Nc5 64. e5+ Kg6 65. Nd4 Ne4+ 66. Kf4 Nf2 67. h4 Nd3+ 68. Ke4 Nf2+ 69. Kf3 Nd3 70. e6 Kf6 71. e7 1-0

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.16"]
[Round "6"]
[White "Brzezina, Piotr"]
[Black "Szczurek, Krzysztof"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2038"]
[BlackElo "2195"]
[PlyCount "51"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Nfd7 7. dxc5 dxc5 8. e5 0-0 9. 0-0 a6 10. Bd3 Nc6 11. Qe2 Nb6 12. Be3 Nd4 13. Qf2 Nxf3+ 14. Qxf3 Nd7 15. Rad1 e6 16. Ne4 Qe7 17. Nd6 Rb8 18. Qf2 f6 19. Bxc5 fxe5 20. Ba3 Qf6 21. Ne4 Qxf4 22. Qa7 Qh4 23. Bxf8 Bxf8 24. g3 Qe7 25. Be2 Qb4 26. Rxd7 1-0

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.14"]
[Round "4"]
[White "Brzezina, Piotr"]
[Black "Radecki, Adam"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2038"]
[BlackElo "2012"]
[PlyCount "72"]
[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 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 7. e3 Bd6 8. Nc3 Nbd7 9. a4 0-0 10. Be2 Bb7 11. a5 Rc8 12. b6 a6 13. 0-0 Qe7 14. b4 cxb4 15. Na4 Ne4 16. Bb2 e5 17. Qb3 Ndc5 18. Nxc5 Nxc5 19. Qxb4 e4 20. Nd4 Nd3 21. Qb3 Nxf2 22. g3 Nh3+ 23. Kg2 Ng5 24. Nf5 Rxf5 25. Rxf5 g6 26. Rff1 Qe6 27. Qd1 Qh3+ 28. Kg1 Bxg3 29. hxg3 Qxg3+ 30. Kh1 Qh3+ 31. Kg1 Qxe3+ 32. Kh1 Qh3+ 33. Kg1 Qg3+ 34. Kh1 d4 35. Bxa6 Qh3+ 36. Kg1 Qg3+ 1/2-1/2

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.14"]
[Round "5"]
[White "Majewski, Krzysztof"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "A19"]
[WhiteElo "1868"]
[BlackElo "2038"]
[PlyCount "118"]
[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. c4 Nc6 3. Nc3 Nf6 4. g3 e6 5. Bg2 d5 6. d3 dxc4 7. dxc4 Qxd1+ 8. Nxd1 Nd4 9. Ne3 Bd6 10. f4 e5 11. fxe5 Bxe5 12. Nf3 Nxf3+ 13. Bxf3 Be6 14. Bd2 0-0-0 15. 0-0-0 Rd4 16. Bc3 Rxd1+ 17. Rxd1 Bxc3 18. bxc3 Rd8 19. Nd5 Bxd5 20. cxd5 Re8 21. d6 Re5 22. Kc2 Kd7 23. Kd3 Kxd6 24. Ke3+ Kc7 25. Kf4 Re7 26. e5 Nd7 27. Rd5 b6 28. Bg4 f6 29. Bf5 Nxe5 30. h4 g6 31. Bh3 Nf7 32. a4 a5 33. Bf1 Nd6 34. Bd3 Kc6 35. c4 Re1 36. h5 g5+ 37. Kg4 h6 38. Bh7 Rc1 39. Rd2 Rxc4+ 40. Kh3 f5 41. Rf2 f4 42. gxf4 Rxf4 43. Rxf4 gxf4 44. Kg4 Kd5 45. Kxf4 Kd4 46. Bg6 c4 47. Bb1 c3 48. Bc2 Nc4 49. Bd1 Ne3 50. Bb3 c2 51. Bxc2 Nxc2 52. Kf5 Ne3+ 53. Kg6 Ng4 54. Kf5 Ne5 55. Kf6 Kd5 56. Kf5 b5 57. axb5 a4 58. b6 a3 59. b7 Nd7 0-1

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.13"]
[Round "3"]
[White "Warchol, Kamil"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2102"]
[BlackElo "2038"]
[PlyCount "47"]
[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 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nf3 Bb4+ 6. c3 Bc5 7. Be2 Nge7 8. 0-0 0-0 9. b4 Bb6 10. Bg5 Qe6 11. b5 Ne5 12. Nd4 Bxd4 13. cxd4 N5g6 14. Nc3 d5 15. e5 f6 16. exf6 gxf6 17. Bc1 Re8 18. Bf3 Qf7 19. Re1 c6 20. Ba3 Bd7 21. g3 Nf5 22. Qd2 Rxe1+ 23. Rxe1 Re8 24. Rc1 1/2-1/2

[Event "Ustron op-B"]
[Site "Ustron"]
[Date "2023.08.12"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Klusak, Piotr"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2038"]
[BlackElo "1946"]
[PlyCount "89"]
[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 d6 2. d4 Nf6 3. f3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Nh3 Bd6 9. Nf2 Ke7 10. Be3 Nc6 11. c3 Raf8 12. Nd2 h6 13. Ke2 Nh5 14. g3 Nf6 15. Nd3 Nd7 16. b4 b6 17. Nc4 Nd8 18. a4 Nf7 19. Nd2 c6 20. a5 Ra8 21. c4 Bc7 22. axb6 axb6 23. c5 bxc5 24. bxc5 Ba5 25. Rhc1 Bxd2 26. Bxd2 Rhb8 27. Bc3 g5 28. Rxa8 Rxa8 29. Ra1 Rxa1 30. Bxa1 Kd8 31. Kd2 Ke7 32. Ke3 h5 33. h4 gxh4 34. gxh4 Nh8 35. Bxe5 Ng6 36. Bg3 e5 37. Kd2 Kf6 38. Kc3 Ke6 39. Kb4 Kf6 40. Ka5 Ngf8 41. Ka6 Ne6 42. Kb7 Ndxc5+ 43. Nxc5 Nxc5+ 44. Kxc6 Nb3 45. Kd5 1-0

[Event "Prague Summer op-A 10th"]
[Site "Prague"]
[Date "2023.08.11"]
[Round "9"]
[White "Brzezina, Piotr"]
[Black "Kawulok, Marek"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2038"]
[BlackElo "2173"]
[PlyCount "19"]
[EventDate "2023.08.04"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Ne5 8. Qg3 h5 9. Bf4 d6 10. Bxe5 1/2-1/2

[Event "Prague Summer op-A 10th"]
[Site "Prague"]
[Date "2023.08.09"]
[Round "7"]
[White "Beeck, Mats"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2180"]
[BlackElo "2038"]
[PlyCount "93"]
[EventDate "2023.08.04"]
[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. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Nb6 7. b3 Be7 8. Bb2 f6 9. Nc3 0-0 10. Rc1 Be6 11. Ne4 Qd7 12. d4 exd4 13. Nxd4 Nxd4 14. Bxd4 Rfd8 15. Nc5 Bxc5 16. Bxc5 c6 17. Qc2 Qd2 18. e4 Qxc2 19. Rxc2 Rd3 20. Be3 Rad8 21. Bf3 Nc8 22. Be2 R3d7 23. g4 a6 24. f3 h6 25. Kf2 Kf8 26. h4 g5 27. Rh1 Kg7 28. hxg5 hxg5 29. e5 fxe5 30. Bxg5 Re8 31. Rd2 Rxd2 32. Bxd2 Bd5 33. Bc3 Nd6 34. Rh5 Kf6 35. Rh6+ Ke7 36. Bxe5 Nf7 37. Rh5 Kd7 38. Bg3 Rf8 39. Bd3 Ke8 40. Bf5 b5 41. Ke3 a5 42. Be4 Bxe4 43. Kxe4 Rg8 44. Bf4 Ke7 45. a4 Rh8 46. Rxh8 Nxh8 47. Bc7 1-0

[Event "EU-ch U12 31st"]
[Site "Mamaia"]
[Date "2023.08.09"]
[Round "5"]
[White "Dogan, Umut Anil"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "1859"]
[BlackElo "2115"]
[PlyCount "67"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Re1 d5 8. cxd5 exd5 9. Nc3 Nbd7 10. Bf4 Nh5 11. Be3 Nhf6 12. Bf4 Nh5 13. Be3 Nhf6 14. Rc1 Ne4 15. Bf4 Nxc3 16. bxc3 Ba3 17. Rb1 Bd6 18. Bxd6 cxd6 19. Nd2 Nf6 20. c4 Qd7 21. cxd5 Bxd5 22. Bxd5 Nxd5 23. Qb3 Ne7 24. Nf3 Rac8 25. Rbc1 Rc7 26. Rc3 Rxc3 27. Qxc3 Rc8 28. Qa3 Qc7 29. Kg2 h6 30. Qa6 Nd5 31. a3 Ne7 32. e4 Qd7 33. Re3 d5 34. Ne5 1/2-1/2

[Event "Prague Summer op-A 10th"]
[Site "Prague"]
[Date "2023.08.07"]
[Round "5"]
[White "Serrano Salvador, Eduardo"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2260"]
[BlackElo "2038"]
[PlyCount "47"]
[EventDate "2023.08.04"]
[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. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 c5 5. c3 d5 6. e3 Nbd7 7. Nbd2 Bd6 8. Bd3 b6 9. e4 cxd4 10. Nxd4 Bb7 11. exd5 Bxd5 12. Nc4 Bb8 13. Ne3 Bb7 14. Bb5 a6 15. Bc6 Qc8 16. Qf3 Bxc6 17. Nxc6 Qb7 18. 0-0-0 g5 19. Qxf6 Qxc6 20. Qxh8+ Ke7 21. Qxh6 gxh4 22. Nd5+ Ke8 23. Nf6+ Nxf6 24. Qh8+ 1-0

[Event "Prague Summer op-A 10th"]
[Site "Prague"]
[Date "2023.08.05"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Shehzad, Shazil Khan"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2038"]
[BlackElo "2301"]
[PlyCount "118"]
[EventDate "2023.08.04"]
[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. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 0-0 6. Be2 Bxd2+ 7. Qxd2 d6 8. Nc3 b6 9. 0-0 Bb7 10. Qc2 Nbd7 11. e4 c5 12. d5 Ne5 13. Nxe5 dxe5 14. Rad1 exd5 15. exd5 Ne8 16. Bd3 g6 17. Rde1 Qg5 18. Qe2 f6 19. f4 exf4 20. Qf3 Nd6 21. Re6 Rad8 22. Rxd6 Rxd6 23. Ne4 Qe5 24. Nxd6 Qxd6 25. Qxf4 Qxf4 26. Rxf4 Kf7 27. Kf2 Bc8 28. Rf3 Re8 29. Re3 Rd8 30. a4 Bd7 31. b3 f5 32. h4 Kf6 33. g3 h6 34. Re1 Rh8 35. Kf3 g5 36. Rh1 Re8 37. hxg5+ Kxg5 38. Kf2 h5 39. Be2 Rh8 40. Bf3 h4 41. gxh4+ Rxh4 42. Rxh4 Kxh4 43. Be2 Be8 44. Ke3 Kg5 45. d6 Bc6 46. Bf3 f4+ 47. Kd3 Bd7 48. Ke4 Kf6 49. Kxf4 Ke6 50. Bg4+ Kxd6 51. Bxd7 Kxd7 52. Kf5 a5 53. Kf6 Kd6 54. Kf7 Ke5 55. Ke7 Kd4 56. Kd6 Kc3 57. Kc6 Kxb3 58. Kb5 Ka3 59. Kxb6 Kb4 0-1

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.09"]
[Round "9"]
[White "Sikora, Jan"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2163"]
[BlackElo "1915"]
[PlyCount "65"]
[EventDate "2023.07.01"]
[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. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. c3 Bg7 6. d4 cxd4 7. cxd4 e5 8. dxe5 dxe5 9. Qxd8+ Nxd8 10. Nbc3 Ne7 11. Bg5 Nec6 12. Bxd8 Nxd8 13. Nd5 0-0 14. Rc1 Nc6 15. b4 Be6 16. a3 Rac8 17. 0-0 Bxd5 18. exd5 Nd4 19. Nxd4 exd4 20. d6 Rxc1 21. Rxc1 Rd8 22. Bxb7 d3 23. Rc8 Rxc8 24. Bxc8 d2 25. Bg4 f5 26. Bd1 Kf7 27. Bb3+ Ke8 28. Kf1 Bb2 29. a4 Ba3 30. Ke2 Bxb4 31. Be6 Bxd6 32. Kxd2 Bc5 33. f3 1/2-1/2

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.08"]
[Round "8"]
[White "Brzezina, Piotr"]
[Black "Kostka, Vit"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1915"]
[BlackElo "2199"]
[PlyCount "68"]
[EventDate "2023.07.01"]
[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. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 b4 9. Nfd2 Nd5 10. Nxc4 c5 11. dxc5 Ba6 12. e4 Nf6 13. b3 Nc6 14. Rd1 Nd4 15. Qb2 e5 16. Be3 Bxc4 17. bxc4 Bxc5 18. Nd2 Qc7 19. Bf1 Rfd8 20. a5 Rd6 21. Nb3 Nxb3 22. Qxb3 Rxd1 23. Rxd1 Qxa5 24. Rd2 Qb6 25. Bxc5 Qxc5 26. Qd1 g6 27. Qc2 a5 28. Bd3 a4 29. Rd1 b3 30. Qb2 Qd4 31. Qa3 Nxe4 32. Qe7 Qxf2+ 33. Kh1 Qf3+ 34. Kg1 Qxd1+ 0-1

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.07"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Trybus, Daniel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1915"]
[BlackElo "2045"]
[PlyCount "75"]
[EventDate "2023.07.01"]
[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 g6 2. d4 Bg7 3. Nf3 c6 4. Bd3 Nf6 5. Qe2 0-0 6. 0-0 d6 7. h3 Nbd7 8. e5 Nd5 9. a3 Kh8 10. c4 Nc7 11. Nc3 dxe5 12. dxe5 Ne6 13. Bc2 a5 14. b3 Qb6 15. Rd1 Qc7 16. Re1 Rd8 17. Bb2 Kg8 18. Rad1 b6 19. Qe3 Bb7 20. Ne2 c5 21. Be4 Bxe4 22. Qxe4 a4 23. Nc3 Kf8 24. Nxa4 Rac8 25. Nc3 Nb8 26. Nd5 Qb7 27. Qh4 b5 28. Bc1 bxc4 29. bxc4 h5 30. g4 hxg4 31. Qh7 Ke8 32. Qg8+ Bf8 33. Bh6 Nd7 34. Ng5 Nxg5 35. Nf6+ exf6 36. exf6+ Ne4 37. Rd5 Qxd5 38. cxd5 1-0

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.05"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Ljepic, Andrej"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1915"]
[BlackElo "2214"]
[PlyCount "65"]
[EventDate "2023.07.01"]
[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. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. a3 Bxd2+ 5. Qxd2 Nf6 6. Nc3 d6 7. Nf3 Nbd7 8. e3 b6 9. Be2 Bb7 10. 0-0 Ne4 11. Nxe4 Bxe4 12. Qc3 0-0 13. Nd2 Bb7 14. b4 Qe7 15. Rab1 e5 16. Rfe1 Ra7 17. Bf3 Bxf3 18. Nxf3 e4 19. Nd2 f5 20. Qc2 Qh4 21. Nf1 Qf6 22. Nd2 h5 23. b5 h4 24. f3 exf3 25. Nxf3 g5 26. e4 g4 27. e5 Qe7 28. e6 gxf3 29. exd7 Qxd7 30. gxf3 Raa8 31. Qd2 Rae8 32. Qg5+ Qg7 33. Qxg7+ 1/2-1/2

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.04"]
[Round "4"]
[White "Djuric, Stefan"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2261"]
[BlackElo "1915"]
[PlyCount "69"]
[EventDate "2023.07.01"]
[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. c3 Nf6 4. Bb5+ Nbd7 5. Qe2 Qc7 6. 0-0 a6 7. Bxd7+ Bxd7 8. c4 g6 9. Nc3 Bg7 10. Rb1 0-0 11. d3 b5 12. Bg5 e5 13. a3 Rfb8 14. h3 Be6 15. Nh2 b4 16. axb4 cxb4 17. Bxf6 Bxf6 18. Na4 Bd7 19. Ra1 b3 20. Ng4 Bg5 21. Nc3 Be6 22. Ne3 Bxe3 23. Qxe3 Rf8 24. Ra3 Qb7 25. Rfa1 f5 26. exf5 Bxf5 27. Ra5 Bd7 28. Ne4 Qc6 29. Rd5 Bf5 30. Rxd6 Qb7 31. Nf6+ Kf7 32. Nxh7 Rh8 33. Ng5+ Kg8 34. Qxe5 Rh5 35. f4 1-0

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.03"]
[Round "3"]
[White "Mroziak, Maciej"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2338"]
[BlackElo "1915"]
[PlyCount "43"]
[EventDate "2023.07.01"]
[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. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 e6 5. Bxf6 Qxf6 6. e4 Bb4 7. Qd3 c5 8. e5 Qd8 9. dxc5 Qa5 10. Nf3 Nd7 11. 0-0-0 Bxc3 12. Qxc3 Qxc3 13. bxc3 Nxc5 14. Bd3 Bd7 15. Kd2 b5 16. Rb1 a6 17. Nd4 Rc8 18. Rhe1 Na4 19. Rb3 Ke7 20. Re3 h5 21. f4 g6 22. h4 1/2-1/2

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.02"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Chylewski, Patryk"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1915"]
[BlackElo "2290"]
[PlyCount "99"]
[EventDate "2023.07.01"]
[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. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. f3 Bg7 7. Bg5 h6 8. Be3 Nh5 9. Qd2 Na6 10. Nge2 f5 11. exf5 gxf5 12. Nb5 Nf6 13. Nec3 Qe7 14. 0-0-0 Nb4 15. a3 Na6 16. Bd3 b6 17. Qc2 f4 18. Bxf4 0-0 19. Be3 Nb8 20. Ne4 Nxe4 21. fxe4 a6 22. Nc3 Nd7 23. Qd2 Kh7 24. g4 Nf6 25. h3 Bd7 26. Rdg1 b5 27. g5 hxg5 28. Bxg5 Qe8 29. Qe1 Kh8 30. Qh4+ Nh7 31. Bh6 Bf6 32. Qg3 Rf7 33. Be2 b4 34. axb4 cxb4 35. Na2 b3 36. Nc3 Qe7 37. Bh5 Rg7 38. Bxg7+ Bxg7 39. Bg6 Bh6+ 40. Kd1 Rg8 41. Qf3 Nf6 42. Bf5 Be8 43. Rxg8+ Kxg8 44. Rg1+ Kh8 45. Bg6 Bxg6 46. Rxg6 Bg7 47. Qf5 Nh7 48. Re6 Qd8 49. Qf7 Nf6 50. Re7 1-0

[Event "Bohumin op-A 6th"]
[Site "Bohumin"]
[Date "2023.07.01"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Kapusta, Petr"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1915"]
[BlackElo "2132"]
[PlyCount "69"]
[EventDate "2023.07.01"]
[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. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Bg5 c6 7. Qd2 e5 8. d5 cxd5 9. cxd5 Nbd7 10. Nh3 Nc5 11. Nf2 a5 12. Bb5 Bd7 13. 0-0 Bxb5 14. Nxb5 Qb6 15. Qe2 h6 16. Be3 Nh5 17. Rfc1 Rac8 18. Qc4 Rfd8 19. Nxd6 Qxd6 20. Bxc5 Qf6 21. Qf1 Qg5 22. Bb6 Rf8 23. d6 Rxc1 24. Rxc1 Qd2 25. Nd3 Bf6 26. Qd1 Qg5 27. d7 Bd8 28. Bxd8 Qxd8 29. Nxe5 Qb6+ 30. Kh1 Nf6 31. Rc8 Rd8 32. Qb3 Nxd7 33. Qxf7+ Kh8 34. Rxd8+ Qxd8 35. Nxg6# 1-0

[Event "Wch U12 blitz"]
[Site "Batumi"]
[Date "2023.06.11"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Filin, Grigory"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1819"]
[BlackElo "1940"]
[PlyCount "123"]
[EventDate "2023.06.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "FIDE"]
[WhiteTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 e5 10. d5 Na5 11. b3 Qe7 12. Nb1 Nxb3+ 13. axb3 a5 14. Bxb6 cxb6 15. d6 Qd7 16. Nc3 Qc6 17. Kb2 Be6 18. Bb5 Qc5 19. Nge2 Rfd8 20. Ba4 Bf8 21. Nb5 Rac8 22. Rc1 Qf2 23. Rxc8 Rxc8 24. Nc7 Bxd6 25. Nxe6 fxe6 26. Rd1 Bb4 27. Qd3 Bc3+ 28. Kb1 Bd4 29. Nxd4 exd4 30. Qxd4 Qc2+ 31. Ka1 Qxg2 32. Qd2 Qxf3 33. Bd7 Rf8 34. Bxe6+ Kg7 35. Qd4+ Kh6 36. Rd3 Qf1+ 37. Ka2 Rf2+ 38. Rd2 Rf3 39. Ka3 b5 40. Ka2 a4 41. bxa4 bxa4 42. Rd1 Qe2+ 43. Qd2+ Re3 44. Qxe2 Rxe2+ 45. Ka3 Rxe4 46. Bd5 Rh4 47. Rd2 b5 48. Bc6 Rh5 49. Kb4 g5 50. Bxb5 Rh4+ 51. Ka3 g4 52. Bxa4 Rh3+ 53. Ka2 g3 54. hxg3 Rxg3 55. Rh2+ Kg7 56. Bc2 Rg5 57. Rxh7+ Kf6 58. Ra7 Rb5 59. Bb3 Ke5 60. Kb2 Kd4 61. Rd7+ Kc5 62. Kc3 1-0

[Event "Wch U12 blitz"]
[Site "Batumi"]
[Date "2023.06.11"]
[Round "8"]
[White "Zhauynbay, Aldiyar"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1790"]
[BlackElo "1819"]
[PlyCount "73"]
[EventDate "2023.06.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kazakhstan"]
[BlackTeam "Poland"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. dxc5 bxc5 11. Qc2 Nc6 12. b3 Bf6 13. Bb2 d6 14. Rad1 Bxb2 15. Qxb2 Qe7 16. e3 Rfd8 17. Rd2 Rd7 18. Rfd1 Rad8 19. a3 a5 20. Qc2 h6 21. h4 Qf6 22. Nh2 Qe7 23. Qc3 Ra8 24. Ng4 h5 25. Nh2 a4 26. b4 cxb4 27. axb4 Rc8 28. c5 Ne5 29. Bxb7 Rxb7 30. Rxd6 Nc6 31. Rb1 Nb8 32. Rd2 Na6 33. Rdb2 Nc7 34. e4 Nb5 35. Qf3 a3 36. Ra2 e5 37. Nf1 1-0

[Event "Wch U12 blitz"]
[Site "Batumi"]
[Date "2023.06.10"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Meirkhanuly, Akylzhan"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1819"]
[BlackElo "1575"]
[PlyCount "72"]
[EventDate "2023.06.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Kazakhstan"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "KAZ"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Qc2 h6 8. Bh4 c6 9. Bd3 Re8 10. 0-0 a6 11. a4 a5 12. Bxf6 Nxf6 13. e4 dxe4 14. Nxe4 Qc7 15. Rad1 b6 16. Nxf6+ Bxf6 17. Be4 Bb7 18. c5 b5 19. axb5 cxb5 20. Bxb7 Qxb7 21. c6 Qb6 22. d5 exd5 23. Rxd5 Rac8 24. Rc1 b4 25. h3 b3 26. Qd2 Rxc6 27. Rxc6 Qxc6 28. Rxa5 Rd8 29. Qe2 Qc2 30. Qb5 Qxb2 31. Ra4 Qc1+ 32. Kh2 Qc7+ 33. g3 Rb8 34. Qd3 b2 35. Nd2 Rd8 36. Rc4 Rxd3 0-1

[Event "Wch U12 blitz"]
[Site "Batumi"]
[Date "2023.06.10"]
[Round "4"]
[White "Okhitin, Lev"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1349"]
[BlackElo "1819"]
[PlyCount "120"]
[EventDate "2023.06.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Russia"]
[BlackTeam "Poland"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b5 5. 0-0 Bb7 6. Qd3 a6 7. b3 Nbd7 8. Nbd2 c5 9. e3 c4 10. bxc4 bxc4 11. Qe2 Bd6 12. e4 c3 13. e5 cxd2 14. Bxd2 Be7 15. exf6 Nxf6 16. Ne5 0-0 17. c4 a5 18. c5 Ba6 19. Nd3 Ne4 20. Rfb1 Bf6 21. Be3 e5 22. Qc2 exd4 23. Bf4 Rc8 24. Rc1 Bxd3 25. Qxd3 Nxc5 26. Qf5 d3 27. Rab1 g6 28. Qxd5 Qxd5 29. Bxd5 Rfd8 30. Bf3 Ne6 31. Rxc8 Rxc8 32. Rd1 Nxf4 33. gxf4 Rd8 34. Be4 d2 35. Kf1 Bc3 36. Ke2 Bb4 37. Bd3 Re8+ 38. Kf3 Re1 39. Bc2 f5 40. a3 Bc3 41. Bb3+ Kg7 42. Ba4 Kf6 43. Bc2 Ke7 44. Bb3 Kd6 45. Bc2 Kd5 46. Ba4 Kc4 47. Bc2 Kd4 48. h3 h6 49. h4 h5 50. Ba4 Kd3 51. Bb3 Bb2 52. Ba4 Bxa3 53. Bb3 Bb4 54. Ba4 Kc3 55. Kg3 Kb2 56. Kf3 Rxd1 57. Bxd1 Kc1 58. Ke2 Bd6 59. Ba4 Bxf4 60. Be8 d1Q# 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.08"]
[Round "11"]
[White "Brzezina, Piotr"]
[Black "Arakelyan, Manvel"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1855"]
[BlackElo "1657"]
[PlyCount "46"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Armenia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "ARM"]

1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. e4 Bb7 5. Qc2 Qh4 6. Bd3 Bxc3+ 7. bxc3 f5 8. g3 Qh5 9. f3 Ne7 10. Be3 0-0 11. Qg2 fxe4 12. fxe4 Nf5 13. Bf4 Nd6 14. Bxd6 cxd6 15. Qe2 Qa5 16. Rc1 Nc6 17. Nf3 Rxf3 18. Qxf3 Nxd4 19. Qe3 Nc6 20. 0-0 Ne5 21. Rfd1 Qxa2 22. Rc2 Qb3 23. Qd2 Nf3+ 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.08"]
[Round "9"]
[White "Brzezina, Piotr"]
[Black "Kurdagiya, Aleksandr G"]
[Result "0-1"]
[ECO "E80"]
[WhiteElo "1855"]
[BlackElo "1686"]
[PlyCount "82"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "FIDE"]
[WhiteTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 Nbd7 6. Nh3 c5 7. d5 a6 8. Be3 Rb8 9. a4 Qc7 10. Qd2 Ne5 11. Nf2 h5 12. Be2 Kf8 13. h3 h4 14. 0-0 Ned7 15. Rfb1 Nh5 16. Ra3 Ng3 17. Bd3 Ne5 18. Ne2 e6 19. f4 Nxd3 20. Qxd3 exd5 21. cxd5 Nxe2+ 22. Qxe2 Kg8 23. Bd2 Qe7 24. Bc3 Bd7 25. Bxg7 Kxg7 26. b4 Rhc8 27. bxc5 Rxc5 28. Nd3 Rc4 29. e5 Bf5 30. Qb2 Kg8 31. Rc1 Bxd3 32. Rxd3 Rxf4 33. exd6 Qxd6 34. Rdc3 Qd8 35. Rc7 b5 36. axb5 axb5 37. d6 Rc4 38. R1xc4 bxc4 39. Qd4 c3 40. Qc4 Rb1+ 41. Kh2 Qxd6+ 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.08"]
[Round "10"]
[White "Ghoniadze, Daniel"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1180"]
[BlackElo "1855"]
[PlyCount "120"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Georgia"]
[BlackTeam "Poland"]
[WhiteTeamCountry "GEO"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bc4 Bd7 6. d4 e6 7. Bf4 cxd4 8. cxd4 Nxe4 9. Qxe4 Qxc4 10. Qxb7 Qc6 11. Qxc6 Bxc6 12. Nbd2 Kd7 13. 0-0 Na6 14. Bg3 Be7 15. a3 Nc7 16. Rac1 Bd5 17. Rc2 Bf6 18. Rfc1 Rhc8 19. a4 g5 20. Nc4 Ne8 21. b3 g4 22. Nfd2 Bxd4 23. Ne3 Rxc2 24. Rxc2 Bxe3 25. fxe3 Nf6 26. Kf2 Rb8 27. Rb2 e5 28. Bh4 Ke6 29. Bxf6 Kxf6 30. b4 Ke6 31. e4 Bc6 32. a5 d5 33. exd5+ Kxd5 34. Ke3 f5 35. g3 a6 36. Rb3 Ke6 37. Nc4 Bd5 38. Kd3 Rc8 39. Rc3 e4+ 40. Kd4 Rxc4+ 41. Rxc4 Bxc4 42. Kxc4 Kd6 43. Kd4 Kc6 44. Kc4 h6 45. Kc3 Kb5 46. Kb3 e3 47. Kc3 e2 48. Kd2 Kxb4 49. Kxe2 Kxa5 50. Ke3 Kb4 51. Kf4 a5 52. Kxf5 a4 53. Kxg4 a3 54. Kh5 a2 55. Kxh6 a1Q 56. h4 Qf6+ 57. Kh5 Qf5+ 58. Kh6 Kc5 59. h5 Kd6 60. g4 Qxg4 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.08"]
[Round "8"]
[White "Mocic, Ivano"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1559"]
[BlackElo "1855"]
[PlyCount "101"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Croatia"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CRO"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Bf4 Bb4+ 5. Nbd2 Bb7 6. e3 0-0 7. h3 Ne4 8. a3 Nxd2 9. Nxd2 Be7 10. Nf3 d6 11. Bd3 f5 12. h4 c5 13. b4 cxd4 14. exd4 Bf6 15. Bg5 Nd7 16. Be2 Rc8 17. Bxf6 Qxf6 18. Rc1 Rfe8 19. g3 e5 20. 0-0 e4 21. Ng5 f4 22. Bg4 Rcd8 23. Kh2 h6 24. Nh3 Nf8 25. Nxf4 g5 26. Ng2 Ng6 27. h5 Nf8 28. Ne3 Qe7 29. Nf5 Qf6 30. Ne3 Qe7 31. d5 Bc8 32. Qd4 Nh7 33. Bxc8 Rxc8 34. Nf5 Qf8 35. g4 Nf6 36. f3 exf3 37. Rxf3 Re2+ 38. Kh3 Re4 39. Nxh6+ Qxh6 40. Qxf6 Qxf6 41. Rxf6 Rce8 42. c5 Re2 43. Rcf1 Rd2 44. Rg6+ Kh8 45. Rh6+ Kg7 46. Rg6+ Kh7 47. Rgf6 Ree2 48. Rf7+ Kg8 49. Rf8+ Kg7 50. R1f7+ Kh6 51. Rh8# 1-0

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.07"]
[Round "5"]
[White "Brzezina, Piotr"]
[Black "Chankseliani, Davit"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1855"]
[BlackElo "1427"]
[PlyCount "102"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Georgia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "GEO"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. Bg5 Be6 7. Bxf6 Qxf6 8. e4 cxd4 9. Bb5+ Nd7 10. Qxd4 Qxd4 11. Nxd4 dxe4 12. Nxe6 fxe6 13. 0-0-0 0-0-0 14. Bxd7+ Rxd7 15. Rxd7 Kxd7 16. Rd1+ Ke8 17. Nxe4 Be7 18. Kd2 Rf8 19. Ke2 Rf5 20. Rd2 Ra5 21. b3 Re5 22. f3 a5 23. Kf1 Rb5 24. Ke2 Re5 25. Kd1 Kf7 26. Kc2 Ke8 27. a4 b5 28. Rd4 bxa4 29. bxa4 Kf7 30. Rd7 Rd5 31. Rxd5 exd5 32. Nd2 Ke6 33. Kd3 Bd6 34. Nb3 Bc7 35. Kd4 Bb6+ 36. Kd3 Ke5 37. g3 g5 38. h3 h5 39. Nd2 h4 40. f4+ gxf4 41. Nf3+ Kf6 42. gxf4 Bf2 43. Ke2 Bg3 44. Ke3 Kf5 45. Kd4 Kxf4 46. Nd2 Be1 47. Nf1 Kf3 48. Kxd5 Kg2 49. Ne3+ Kxh3 50. Ke4 Bf2 51. Nd1 Kg3 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.07"]
[Round "7"]
[White "Brzezina, Piotr"]
[Black "Kristesiashvili, Andria"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "1855"]
[BlackElo "1400"]
[PlyCount "37"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Georgia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "GEO"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Bd7 6. Qc2 Bc6 7. Qxc4 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. 0-0 Bxc3 11. bxc3 Be4 12. Qb5+ c6 13. Qb3 Bd5 14. Qd1 h6 15. Re1 0-0 16. Nd2 Bxg2 17. Kxg2 Nbd5 18. Qb3 Qb6 19. Bb2 1-0

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.07"]
[Round "6"]
[White "Dauren, Darmen"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1559"]
[BlackElo "1855"]
[PlyCount "74"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kazakhstan"]
[BlackTeam "Poland"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. c3 Bd6 5. Bg3 0-0 6. Bd3 c5 7. Nd2 Qc7 8. Ngf3 Nbd7 9. Rc1 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bxg3 13. hxg3 h6 14. 0-0 Bg4 15. Be2 Rad8 16. Nd2 Bf5 17. Bf3 Rfe8 18. Nb3 b6 19. Qd2 Qe5 20. Rfd1 Rd7 21. Qe2 Red8 22. Rd2 Qe6 23. Rcd1 g5 24. Qb5 g4 25. Be2 Ne4 26. a4 Nxd2 27. Rxd2 Rd6 28. a5 Qc8 29. Qa4 Be4 30. f3 gxf3 31. gxf3 Bb1 32. Kf2 Qh3 33. Bf1 Qh5 34. Bg2 Rf6 35. Nc1 Be4 36. Qd1 Qh2 37. Qg1 Rxf3+ 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.07"]
[Round "4"]
[White "Tatvidze, Davit"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1519"]
[BlackElo "1855"]
[PlyCount "120"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Georgia"]
[BlackTeam "Poland"]
[WhiteTeamCountry "GEO"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. Be2 Bg4 6. d3 h6 7. Be3 Be7 8. 0-0 0-0 9. Nd5 Nb8 10. Qb3 b6 11. a4 c5 12. a5 Nxd5 13. cxd5 Nd7 14. axb6 Qxb6 15. Qxb6 axb6 16. h3 Bxf3 17. gxf3 b5 18. Bd2 b4 19. Rfb1 Nb6 20. b3 Rfb8 21. Kf1 Kf8 22. Ke1 Ke8 23. Kd1 Bh4 24. Be1 f5 25. Kc2 f4 26. Kb2 Ke7 27. Kc2 Nd7 28. Bf1 Nf8 29. Kd2 Kd7 30. Bg2 Kc7 31. Kc2 Nh7 32. Kd2 Ng5 33. Ke2 Nf7 34. Kd2 Ng5 35. Ke2 Nh7 36. Kd2 Nf6 37. Ke2 Ne8 38. Kd2 Kb7 39. Kc2 Nc7 40. Kb2 Nb5 41. Bh1 Na3 42. Rc1 Rf8 43. Bg2 Rf6 44. Bf1 Rg6 45. Be2 Rg2 46. Bf1 Rh2 47. Be2 Bxf2 48. Bxf2 Rxf2 49. Re1 Nb5 50. Rxa8 Kxa8 51. Kc1 Nd4 52. Kd1 Nxb3 53. Rg1 Nd4 54. Bf1 g5 55. Bg2 b3 56. Rf1 Rxf1+ 57. Bxf1 b2 58. Kd2 b1Q 59. Be2 Qc2+ 60. Ke1 Qxe2# 0-1

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.06"]
[Round "3"]
[White "Brzezina, Piotr"]
[Black "Dadasyan, Tigran"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1855"]
[BlackElo "1356"]
[PlyCount "79"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Armenia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "ARM"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 c6 7. 0-0 Qb6 8. e4 Bg4 9. Rb1 Na6 10. Be3 Qa5 11. h3 Bxf3 12. Bxf3 e5 13. d5 cxd5 14. cxd5 Qc7 15. Nb5 Qd7 16. Qe2 Nc7 17. Nxc7 Qxc7 18. Rfc1 Qd7 19. Kh2 Rfc8 20. b3 b6 21. Qa6 Ne8 22. Be2 Qd8 23. Bg4 Rxc1 24. Rxc1 Nc7 25. Qb7 Nb5 26. Bc8 Qf6 27. Qxa8 Nd4 28. Bg4+ Bf8 29. Bh6 Qxf2+ 30. Kh1 Ne6 31. dxe6 fxe6 32. Qxf8+ Qxf8 33. Bxe6+ Kh8 34. Bxf8 h5 35. Rc7 g5 36. Bg7+ Kh7 37. Bf5+ Kg8 38. Bg6 h4 39. Bf6 hxg3 40. Rc8# 1-0

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.06"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Kanatbekov, Chyngyz"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1855"]
[BlackElo "1263"]
[PlyCount "45"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Kyrgyzstan"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "KGZ"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 h6 8. Bh4 Nb6 9. c5 Nbd7 10. Be2 0-0 11. 0-0 b6 12. b4 b5 13. a4 bxa4 14. Rxa4 a5 15. Rfa1 Rb8 16. bxa5 Ra8 17. a6 Ne8 18. Bg3 Nc7 19. Qb3 Bxc5 20. dxc5 Nxc5 21. Qb6 Nxa4 22. Rxa4 Ne8 23. Qxd8 1-0

[Event "Wch U12 rapid"]
[Site "Batumi"]
[Date "2023.06.06"]
[Round "2"]
[White "Meirkhanuly, Akylzhan"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1500"]
[BlackElo "1855"]
[PlyCount "65"]
[EventDate "2023.06.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kazakhstan"]
[BlackTeam "Poland"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "POL"]

1. c4 c5 2. e3 Nf6 3. d4 cxd4 4. exd4 d5 5. Nf3 Nc6 6. cxd5 Nxd5 7. Nc3 Bg4 8. Bc4 e6 9. 0-0 Nb6 10. Be2 Be7 11. h3 Bh5 12. Be3 Bf6 13. Ne4 Be7 14. Ne5 Bxe2 15. Qxe2 Nxd4 16. Bxd4 Qxd4 17. Qb5+ Kf8 18. Nc3 a6 19. Qxb6 Qxe5 20. Qxb7 Qb8 21. Qf3 Ra7 22. Rfe1 Bf6 23. Ne4 Be7 24. Rac1 f6 25. Ng5 e5 26. Ne6+ Kf7 27. Qd5 Kg6 28. Qe4+ Kf7 29. Qf5 g6 30. Ng5+ Ke8 31. Rc8+ Bd8 32. Qe6+ Kf8 33. Rxb8 1-0

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.17"]
[Round "1"]
[White "Vogel, Roven"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2463"]
[BlackElo "1868"]
[PlyCount "65"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 exd5 7. cxd5 d6 8. g3 0-0 9. Bg2 Nbd7 10. Nd4 Re8 11. 0-0 Bf8 12. Nc6 Bxc6 13. dxc6 Ne5 14. Bg5 Be7 15. Qc2 h6 16. Bf4 Ng6 17. Be3 Qc8 18. a4 a6 19. Bd4 Qe6 20. h3 Bf8 21. b3 Ne7 22. Rad1 g6 23. e4 Bg7 24. Ne2 Nh7 25. Nf4 Qc8 26. Bxg7 Kxg7 27. Qc3+ f6 28. h4 Rg8 29. Bh3 Qe8 30. Ne6+ Kh8 31. Nxc7 Qb8 32. Nxa8 Qxa8 33. Rxd6 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "1"]
[White "Brzezina, Piotr"]
[Black "Kosakowski, Jakub"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1868"]
[BlackElo "2475"]
[PlyCount "56"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 7. Bxc4 c5 8. d5 exd5 9. exd5 0-0 10. Nge2 a6 11. a4 Bd6 12. 0-0 Qc7 13. g3 Bh3 14. Re1 Nbd7 15. Nf4 Bf5 16. Be3 Rfe8 17. Bd3 Bxd3 18. Qxd3 c4 19. Qf1 Ne5 20. Bd2 Qb6+ 21. Be3 Qxb2 22. Bd4 Qc2 23. Rec1 Qf5 24. Bxe5 Bxe5 25. Qxc4 Rac8 26. Qb3 Bxf4 27. gxf4 Qxf4 28. Rf1 Qd4+ 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "2"]
[White "Kosakowski, Jakub"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2475"]
[BlackElo "1868"]
[PlyCount "55"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. 0-0 Nf6 6. Re1 e6 7. c3 Be7 8. d4 cxd4 9. cxd4 a6 10. Bd3 0-0 11. Nc3 e5 12. d5 Nb4 13. Be2 a5 14. h3 Rc8 15. Be3 Na6 16. Rc1 Nc5 17. Nd2 Qc7 18. Nc4 Nfxe4 19. Nxe4 Nxe4 20. Nb6 Qd8 21. Nxc8 Bxc8 22. Qb3 f5 23. Bf1 f4 24. Bb6 Qe8 25. Rxe4 Qg6 26. Ree1 Bxh3 27. Qxh3 e4 28. Qe6+ 1-0

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.14"]
[Round "9"]
[White "Brzezina, Piotr"]
[Black "Kolat, Ata"]
[Result "1-0"]
[ECO "E27"]
[WhiteElo "1942"]
[BlackElo "1702"]
[PlyCount "52"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. e3 Re8 9. Bd3 b6 10. Ne2 Bb7 11. g4 c5 12. Kf2 Nc6 13. Ng3 g6 14. h4 Ne7 15. g5 Nd7 16. h5 Kg7 17. Qg1 Nf8 18. Qh2 Qd7 19. Bd2 Rac8 20. Rhg1 c4 21. Bc2 Qb5 22. hxg6 fxg6 23. Qh6+ Kg8 24. Nh5 gxh5 25. Bxh7+ Nxh7 26. g6 Nf6 1-0

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.13"]
[Round "8"]
[White "Borsch, Alexander"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1528"]
[BlackElo "1942"]
[PlyCount "55"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qf3 Be7 10. 0-0-0 h6 11. Bh4 Qc7 12. Nd4 b5 13. a3 Bb7 14. Bxf6 Nxf6 15. g4 Nd7 16. h4 Nc5 17. g5 0-0-0 18. Bh3 Kb8 19. Qe3 Rhe8 20. g6 f5 21. exf5 Bxh1 22. Rxh1 e5 23. fxe5 dxe5 24. Nf3 e4 25. Nd4 Bxh4 26. Kb1 Bg5 27. Qe2 Bf6 28. Rd1 0-1

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.12"]
[Round "7"]
[White "Buyuk, Eymen Eren"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1696"]
[BlackElo "1942"]
[PlyCount "47"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 Nc6 7. e4 d6 8. Bg5 Qa5 9. Bd2 Qc7 10. Ne2 0-0 11. g4 Na5 12. Ng3 cxd4 13. cxd4 Nxc4 14. Rc1 b5 15. a4 a6 16. Bxc4 bxc4 17. Qc2 d5 18. e5 Nd7 19. Bb4 Re8 20. Qd2 f6 21. Nh5 Bb7 22. exf6 Nxf6 23. Nxf6+ gxf6 24. g5 1-0

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.11"]
[Round "6"]
[White "Brzezina, Piotr"]
[Black "Cankurt, Arda"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1942"]
[BlackElo "1687"]
[PlyCount "89"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 0-0 10. 0-0 d4 11. Ne2 e5 12. h3 Re8 13. b4 a6 14. Bb2 b5 15. f4 exf4 16. Rxf4 Qd6 17. Qf1 Nh5 18. Rf3 Be6 19. Rd1 Rad8 20. g4 Nf6 21. Qg2 Nd7 22. Rf2 Nde5 23. Ng3 Qc7 24. Bc1 Nc4 25. Qf3 a5 26. bxa5 Qxa5 27. Nh5 N6e5 28. Qg3 Ng6 29. Bg5 Rc8 30. h4 Qc7 31. Bxc4 Qxg3+ 32. Nxg3 Rxc4 33. Nf5 Bxf5 34. gxf5 Ne5 35. Bf4 f6 36. Bxe5 Rxe5 37. Re2 Kf7 38. Kf2 g6 39. fxg6+ hxg6 40. Rd3 g5 41. hxg5 Rxg5 42. Rdd2 Ra4 43. Rxd4 Rxa3 44. Rd5 Rxd5 45. exd5 1/2-1/2

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.10"]
[Round "5"]
[White "Durucay, Uygar"]
[Black "Brzezina, Piotr"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1854"]
[BlackElo "1942"]
[PlyCount "79"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 d6 5. c3 Nbd7 6. Qc2 g5 7. Bg3 Nh5 8. e4 Bg7 9. Bd3 0-0 10. 0-0 Nb6 11. e5 Nd5 12. Re1 Ndf4 13. Bf1 b6 14. Nbd2 Bb7 15. Rad1 Ng6 16. Nc4 Bxf3 17. gxf3 d5 18. Ne3 Nhf4 19. Ng2 Nxg2 20. Bxg2 h5 21. h3 Bh6 22. Bf1 Kh8 23. Bd3 Rg8 24. Qe2 Qe7 25. Bb1 Raf8 26. Qc2 Rg7 27. c4 c6 28. cxd5 cxd5 29. Rd3 Rfg8 30. Kf1 Nh4 31. Bxh4 gxh4 32. Ke2 Qg5 33. Rc3 Qd8 34. Rg1 Qf8 35. Rc7 Rg6 36. Rxa7 Qe8 37. Rxf7 Qxf7 38. Rxg6 Bg5 39. Rxe6 Rg7 40. Rc6 1-0

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.09"]
[Round "4"]
[White "Brzezina, Piotr"]
[Black "Kara, Goktan Can"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1942"]
[BlackElo "1581"]
[PlyCount "102"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. b3 b5 7. Nd5 e5 8. Nxf6+ Qxf6 9. Ne2 Bb7 10. Nc3 Nd7 11. Nd5 Qd8 12. Be3 Rc8 13. a4 b4 14. a5 Qh4 15. Bd3 Nc5 16. Bxc5 dxc5 17. Qe2 Bd6 18. Ne3 Rc6 19. Nf5 Qf6 20. Bc4 g6 21. Ne3 0-0 22. Bd5 Rc7 23. Bxb7 Rxb7 24. Qxa6 Rbb8 25. Nc4 Rfd8 26. 0-0 Ra8 27. Qc6 Rac8 28. Qa4 Ra8 29. Nb6 Ra6 30. Qb5 Ra7 31. Nd5 Qe6 32. a6 Rb8 33. Qc6 Rba8 34. Ra4 Rc8 35. Qb6 Rca8 36. Qb5 Kg7 37. Rfa1 h6 38. Qc6 Rc8 39. Qb5 Rca8 40. Nb6 Rb8 41. Qc6 Bc7 42. Qxe6 fxe6 43. Nc4 Kf6 44. Kf1 Rba8 45. Ke2 Ke7 46. Na5 Kd7 47. Rd1+ Ke8 48. Nb7 Rxa6 49. Nxc5 Rxa4 50. bxa4 Bb6 51. Nb3 Rxa4 1-0

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.08"]
[Round "3"]
[White "Dogan, Umut Anil"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1653"]
[BlackElo "1942"]
[PlyCount "81"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. Rb1 a5 9. d3 0-0 10. Be3 Re8 11. d4 Bf5 12. Rc1 e4 13. Nd2 Nxd4 14. Ncxe4 c6 15. Nc5 Bxc5 16. Rxc5 Bg4 17. Re1 Ne6 18. Rc1 Nd5 19. Nc4 Nxe3 20. Nxe3 Bh5 21. Nf5 Bg6 22. Nd6 Re7 23. e4 Rd7 24. e5 Qb6 25. Qg4 h5 26. Qe2 Re7 27. Kh1 Rd8 28. Qd2 Nd4 29. Nc4 Qc7 30. Qc3 Nb5 31. Qxa5 Qxa5 32. Nxa5 Ra8 33. b4 Nd4 34. f4 Nc2 35. Re2 Nxb4 36. Nb3 Rxa2 37. Rxa2 Nxa2 38. Rd1 Nc3 39. Rd8+ Kh7 40. Nc5 b6 41. Nd7 1/2-1/2

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.07"]
[Round "2"]
[White "Brzezina, Piotr"]
[Black "Alizada, Pasham"]
[Result "1/2-1/2"]
[ECO "D83"]
[WhiteElo "1942"]
[BlackElo "1756"]
[PlyCount "61"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 c5 7. dxc5 Qa5 8. cxd5 Ne4 9. Nge2 e5 10. Bg3 Nxc5 11. a3 Qa6 12. Ng1 Qb6 13. b4 Ncd7 14. Nb5 a5 15. Bc4 Na6 16. Qd2 axb4 17. axb4 Nc7 18. Nxc7 Qxc7 19. Nf3 Qd6 20. 0-0 Ra4 21. Bb5 Ra8 22. Rfd1 Nb6 23. Qc3 Bg4 24. Qc5 Qd8 25. Bh4 g5 26. Bxg5 f6 27. Bh4 Rc8 28. Bc6 bxc6 29. dxc6 Qc7 30. Bg3 f5 31. Nxe5 1/2-1/2

[Event "EU-ch U12 30th"]
[Site "Antalya"]
[Date "2022.11.06"]
[Round "1"]
[White "Livnansky, Michal"]
[Black "Brzezina, Piotr"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1546"]
[BlackElo "1942"]
[PlyCount "30"]
[EventDate "2022.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bg4 6. d3 a6 7. Ba4 b5 8. Bb3 Nd4 9. fxe5 Bxf3 10. gxf3 Qh4+ 11. Kd2 Qf2+ 12. Ne2 Nxf3+ 13. Kc3 b4+ 14. Kc4 Nxe5+ 15. Kd5 c6# 0-1

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.07.03"]
[Round "9.4"]
[White "Jamrozik, Maciej"]
[Black "Brzezina, Piotr"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "1253"]
[BlackElo "1671"]
[PlyCount "88"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MAT"]
[BlackTeam "Katowice Hetman Szopienice"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Nbd7 12. Qc2 Qa5 13. Bd2 Rfb8 14. a4 Ne8 15. Nb5 Qa6 16. Bc3 Nb6 17. Bxg7 Kxg7 18. b3 Rc8 19. Nd2 Nc7 20. Nxc7 Rxc7 21. a5 Nd7 22. Nc4 Rb8 23. Rhb1 Rcb7 24. Rb2 Rb4 25. Qc3+ f6 26. h4 Ne5 27. Nxe5 fxe5 28. Ra4 R8b5 29. Qd3 Rxa4 30. bxa4 Rxa5 31. Qxa6 Rxa6 32. Ra2 Ra5 33. Kf3 Kf6 34. Ke3 e6 35. dxe6 Kxe6 36. Kd3 d5 37. exd5+ Kxd5 38. f3 Ra6 39. a5 Rf6 40. Ke3 Kc4 41. a6 Rf8 42. a7 Ra8 43. Ra1 Kb3 44. Kd2 Rd8+ 1/2-1/2

[Event "POL-chT U18 1st"]
[Site "Poland"]
[Date "2022.07.02"]
[Round "8.4"]
[White "Brzezina, Piotr"]
[Black "Rozanski, Mateusz"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1671"]
[BlackElo "1720"]
[PlyCount "77"]
[EventDate "2022.06.25"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Katowice Hetman Szopienice"]
[BlackTeam "Wroclaw Invest Polonia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 Re8 9. Nh3 h5 10. Nf2 Nh7 11. Be3 a6 12. Be2 Ne5 13. h3 e6 14. a4 exd5 15. cxd5 f5 16. 0-0 Nf6 17. f4 Nf7 18. exf5 gxf5 19. Bd3 h4 20. Rfe1 Nh5 21. Qd1 Ng3 22. Qf3 Qb6 23. Rab1 Bd7 24. Nh1 Rxe3 25. Rxe3 c4 26. Bc2 Re8 27. Rbe1 Bd4 28. Nd1 Bxe3+ 29. Rxe3 Rxe3 30. Qxe3 Qxe3+ 31. Nxe3 Ne2+ 32. Kf1 Nxf4 33. Nxf5 Nxd5 34. Kf2 b5 35. axb5 axb5 36. Nxh4 b4 37. Ng3 b3 38. Be4 Nb6 39. Nhf5 1/2-1/2

