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Puzzles (3 cohencoins award for each match):

Puzzle ZakaR: 402

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wxByZWpa"] [Date "2026.05.30"] [White "Henry6"] [Black "Troy"] [Result "1/2-1/2"] [UTCDate "2026.05.30"] [UTCTime "17:13:01"] [WhiteElo "1492"] [BlackElo "1319"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+4"] [WhiteTitle "IM"] [BlackTitle "NM🦍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B53"] [Opening "Sicilian Defense: Chekhover Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 { B53 Sicilian Defense: Chekhover Variation } e5 5. Qd1 Nc6 6. c4 Nf6 7. Nc3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Be3?? { (0.91 → -0.74) Blunder. Bd3 was best. } (10. Bd3 Nd7 11. h4 h5 12. g5 Nc5 13. Bc2 Ne6 14. a3 Qd7 15. Be3 Be7 16. Qe2 O-O) 10... Nxe4 11. Nxe4?! { (-0.62 → -1.59) Inaccuracy. Nd5 was best. } (11. Nd5 Be7 12. h4 Nf6 13. h5 Be4 14. Nxf6+ Bxf6 15. Bd3 Bxd3 16. Qxd3 Qd7 17. g5 Be7) 11... Bxe4 12. Bd3 Bxf3?? { (-1.65 → 0.47) Blunder. d5 was best. } (12... d5 13. Bxe4) 13. Qxf3 Qf6?! { (0.29 → 1.15) Inaccuracy. Be7 was best. } (13... Be7 14. Be4 Rc8 15. O-O-O Bg5 16. Kb1 Bxe3 17. fxe3 Ne7 18. b3 Qb6 19. Ka1 O-O 20. h4) 14. Qe2 Nb4? { (0.73 → 2.29) Mistake. g6 was best. } (14... g6 15. O-O-O) 15. a3?? { (2.29 → -1.37) Blunder. Be4 was best. } (15. Be4 Nc6) 15... Nxd3+ 16. Qxd3 Be7 17. O-O-O O-O 18. Rhg1?! { (-0.75 → -1.31) Inaccuracy. Qd5 was best. } (18. Qd5 Qe6 19. Kb1 Qxd5 20. Rxd5 b6 21. a4 f5 22. gxf5 Rxf5 23. a5 bxa5 24. Rxa5 Bh4) 18... g5? { (-1.31 → -0.11) Mistake. Rac8 was best. } (18... Rac8 19. Kb1 b6 20. b3 Qg6 21. Qxg6 fxg6 22. a4 Rf3 23. Rg3 Rxg3 24. fxg3 Kf7 25. Kb2) 19. b4?? { (-0.11 → -1.86) Blunder. a4 was best. } (19. a4 Rac8) 19... Qg6? { (-1.86 → -0.60) Mistake. Rfc8 was best. } (19... Rfc8) 20. Qxg6+?! { (-0.60 → -1.12) Inaccuracy. Qd5 was best. } (20. Qd5 Rfc8) 20... fxg6 21. c5 dxc5 22. Bxc5?? { (-1.15 → -5.12) Blunder. Rd7 was best. } (22. Rd7 Rf7 23. b5 Bf6 24. Rgd1 Re8 25. a4 b6 26. Kc2 e4 27. R1d6 Be5 28. Rd5 Bd4) 22... Bxc5?? { (-5.12 → -2.51) Blunder. Rac8 was best. } (22... Rac8 23. Kd2 Bxc5 24. bxc5 Rxc5 25. Ke3 Rc3+ 26. Rd3 Rxd3+ 27. Kxd3 Rxf2 28. Ke4 Re2+ 29. Kd5) 23. bxc5 b6? { (-2.64 → -1.21) Mistake. Rxf2 was best. } (23... Rxf2 24. Rge1 Re8 25. Rd7 Rf7 26. Rd5 e4 27. Kd2 Kg7 28. Re3 Kf6 29. Kc3 Re5 30. Rd6+) 24. cxb6?? { (-1.21 → -3.58) Blunder. Rge1 was best. } (24. Rge1) 24... axb6 25. Rd3?! { (-3.00 → -4.07) Inaccuracy. Rg3 was best. } (25. Rg3 Rxf2 26. Rd6 Ra2 27. Rxb6 R8xa3 28. Rgb3 Kg7 29. Kd1 Ra4 30. R3b4 Ra8 31. Rb8 Rxb8) 25... Rxf2 26. Rgd1 Ra2 27. Rd8+ Rxd8 28. Rxd8+ Kg7 29. Rd7+ Kf6 30. Rd6+ Ke7?! { (-4.38 → -3.00) Inaccuracy. Kg7 was best. } (30... Kg7 31. Rd7+ Kh6 32. Rd3 e4 33. Rb3 Kg7 34. Kb1 Rh2 35. Rxb6 Rxh3 36. a4 Ra3 37. Rb4) 31. Rxb6 Kd7?? { (-2.80 → -0.77) Blunder. Rxa3 was best. } (31... Rxa3 32. Rb7+ Ke6 33. Rxh7 e4 34. Kd1 Ke5 35. Ke2 Kf4 36. Rf7+ Kg3 37. Re7 Ra2+ 38. Ke3) 32. Rb7+ Kc6?! { (-0.67 → -0.01) Inaccuracy. Ke6 was best. } (32... Ke6 33. Rxh7 e4 34. Rg7 Ke5 35. Rxg6 Kf4 36. Kd1 Rxa3 37. Rf6+ Ke3 38. Rf5 Ra1+ 39. Kc2) 33. Rxh7 Rxa3 34. Rh6 Ra1+ 35. Kb2 Rh1 36. Rxg6+ Kd5 37. Rxg5 Rxh3 38. Rf5 Rh2+ 39. Kc3 Rh3+ 40. Kb4 Rh4 41. Rg5 Kd4 42. Rg6 Kd5 43. Rg5 Kd6 44. Rg6+ Kd5 45. Rg5 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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