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Puzzles (3 cohencoins award for each match):

Puzzle nz1pR: 830

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/yvfGc73c"] [Date "2026.03.30"] [White "KiRiLL"] [Black "colton1"] [Result "1/2-1/2"] [UTCDate "2026.03.30"] [UTCTime "15:47:38"] [WhiteElo "1350"] [BlackElo "1586"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-6"] [WhiteTitle "GM"] [BlackTitle "IM🤔"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B50"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 3. d4 { B50 Sicilian Defense } c4?? { (0.50 → 3.67) Blunder. cxd4 was best. } (3... cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 a6 10. e5) 4. Nc3 Bg4 5. Bxc4 Bxf3 6. Qxf3 e6 7. d5?! { (5.93 → 3.96) Inaccuracy. Bf4 was best. } (7. Bf4 a6 8. O-O-O b5 9. Bb3 h5 10. Kb1 Nd7 11. h4 Qc7 12. a3 Rb8 13. Qg3 b4) 7... e5 8. Be3 Nd7 9. O-O-O Ngf6 10. Rhe1? { (4.12 → 2.50) Mistake. g4 was best. } (10. g4) 10... Be7 11. Nb5? { (3.09 → 1.76) Mistake. g4 was best. } (11. g4) 11... Qa5?! { (1.76 → 2.92) Inaccuracy. a6 was best. } (11... a6 12. Na3 b5 13. Bf1 O-O 14. Kb1 Nc5 15. Bxc5 dxc5 16. c4 b4 17. Nc2 a5 18. Ne3) 12. Bd2 Qb6 13. Qe3 Nc5? { (2.69 → 4.45) Mistake. Qd8 was best. } (13... Qd8 14. Nc3) 14. Bb4?? { (4.45 → 1.65) Blunder. b4 was best. } (14. b4) 14... a6 15. Nc3?? { (2.11 → -7.37) Blunder. Bxc5 was best. } (15. Bxc5 dxc5) 15... Qxb4 16. Bb3 a5 17. a3 Qb6 18. Na4 Nxa4?? { (-7.59 → 10.32) Blunder. Nxb3+ was best. } (18... Nxb3+ 19. cxb3) 19. Bxa4+ Nd7 20. Qxb6 O-O 21. Qxb7 Nc5 22. Qxe7 Rfb8 23. Qg5 Nxa4 24. Rd3 Rxb2 25. Rg3 g6 26. Qe7 Rc8 27. Qxd6?? { (8.67 → 0.00) Blunder. Re2 was best. } (27. Re2 Ra2 28. Rf3 Rf8 29. Qxd6 Ra1+ 30. Kd2 Nb2 31. Rc3 Rd1+ 32. Ke3 Rd4 33. Qxe5 Rc4) 27... Rcxc2+ 28. Kd1 Nc3+?? { (0.00 → 6.04) Blunder. Rd2+ was best. } (28... Rd2+ 29. Kc1 Rbc2+ 30. Kb1 Rb2+) 29. Rxc3 Rxc3 30. Qd8+ Kg7 31. Qxa5 Rd3+ 32. Kc1 Rxf2 33. Rd1 Rb3 34. Qe1?! { (9.21 → 5.38) Inaccuracy. d6 was best. } (34. d6) 34... Rxg2 35. d6?? { (6.61 → 0.00) Blunder. Rd2 was best. } (35. Rd2 Rxd2 36. Qxd2 Rxa3 37. Qb2 Ra8 38. Qxe5+ Kg8 39. Qe7 h6 40. d6 g5 41. d7 Rf8) 35... Rxh2?? { (0.00 → 8.15) Blunder. Rxa3 was best. } (35... Rxa3 36. Qb4 Ra1+ 37. Qb1 Ra6 38. Rf1 Rc6+ 39. Kd1 Rxd6+ 40. Ke1 Rdd2 41. Qb5 Kh6 42. Rf3) 36. d7?? { (8.15 → 2.82) Blunder. Qa5 was best. } (36. Qa5 Rhh3 37. Kc2 Rb7 38. d7 Rxd7 39. Qxe5+ Kh6 40. Qf4+ g5 41. Qf6+ Kh5 42. Rxd7 h6) 36... Rhb2?? { (2.82 → 7.46) Blunder. Rxa3 was best. } (36... Rxa3 37. Rd2) 37. d8=Q?? { (7.46 → 0.00) Blunder. Qg1 was best. } (37. Qg1 Rb8 38. Qc5 R2b5 39. Qe7 R8b7 40. Kd2 Rxd7+ 41. Qxd7 Rb2+ 42. Kc3 Rf2 43. Qe7 h5) 37... Rb1+ 38. Kc2 R1b2+ 39. Kc1 Rb1+ 40. Kc2 R1b2+ 41. Kc1 Rb1+ 42. Kd2 R1b2+ 43. Kc1 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting