CohenChessClub.com

Shop Cohen Coins
 

Puzzles (3 cohencoins award for each match):

Puzzle sD0if: 605

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/HnNV0gsn"] [Date "2026.03.15"] [White "Allen"] [Black "Ellie2"] [Result "1-0"] [UTCDate "2026.03.15"] [UTCTime "17:03:56"] [WhiteElo "1538"] [BlackElo "1475"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-9"] [WhiteTitle "GM"] [BlackTitle "🪐"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B23"] [Opening "Sicilian Defense: Closed"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nc3 { B23 Sicilian Defense: Closed } d6 3. Bc4?! { (0.63 → 0.07) Inaccuracy. Nge2 was best. } (3. Nge2 e5 4. Nd5 Nf6 5. Nec3 Be7 6. Bc4 O-O 7. d3 Nxd5 8. Nxd5 Bg5 9. O-O Bxc1) 3... a6 4. Bb3 b5 5. d3 b4 6. Nce2 Nc6 7. Nf3 h6?! { (0.75 → 1.37) Inaccuracy. e6 was best. } (7... e6) 8. c3 e5?! { (1.37 → 2.11) Inaccuracy. bxc3 was best. } (8... bxc3 9. bxc3) 9. cxb4? { (2.11 → 1.00) Mistake. d4 was best. } (9. d4 bxc3 10. dxe5 dxe5 11. Qxd8+ Kxd8 12. Bd5 Bd7 13. Bxc6 Bxc6 14. Nxe5 cxb2 15. Bxb2 Be8) 9... cxb4?? { (1.00 → 2.82) Blunder. Nxb4 was best. } (9... Nxb4 10. O-O) 10. O-O? { (2.82 → 1.52) Mistake. d4 was best. } (10. d4 Nf6 11. dxe5 dxe5 12. Qxd8+ Kxd8 13. Ba4 Bb7 14. Bxc6 Bxc6 15. Nxe5 Be8 16. f3 Nd7) 10... Bb7? { (1.52 → 3.18) Mistake. Nf6 was best. } (10... Nf6) 11. a3?! { (3.18 → 2.25) Inaccuracy. d4 was best. } (11. d4 Be7 12. Ba4 Kf8 13. Be3 Nf6 14. Rc1 Rc8 15. Bxc6 Rxc6 16. Rxc6 Bxc6 17. dxe5 dxe5) 11... bxa3? { (2.25 → 4.09) Mistake. Be7 was best. } (11... Be7 12. Ng3) 12. Rxa3 Qc7?! { (4.19 → 6.14) Inaccuracy. Bc8 was best. } (12... Bc8 13. Ba4) 13. Qc2 O-O-O?! { (4.97 → 7.57) Inaccuracy. Be7 was best. } (13... Be7 14. Ba4) 14. Nc3?! { (7.57 → 4.80) Inaccuracy. Bd5 was best. } (14. Bd5) 14... Nb4 15. Qd2?! { (4.84 → 3.26) Inaccuracy. Qe2 was best. } (15. Qe2) 15... d5 16. exd5?! { (3.75 → 2.93) Inaccuracy. Bxd5 was best. } (16. Bxd5) 16... Nxd5?? { (2.93 → 6.47) Blunder. Nf6 was best. } (16... Nf6 17. Ra4) 17. Nxd5?? { (6.47 → 2.54) Blunder. Bxd5 was best. } (17. Bxd5 Bxa3 18. Bxb7+ Kxb7 19. bxa3 Nf6 20. Ne4 Nd5 21. Qb2+ Ka8 22. Nxe5 f5 23. Ng3 Nc3) 17... Bxd5 18. Bxd5 Rxd5?? { (2.22 → 8.40) Blunder. Bxa3 was best. } (18... Bxa3) 19. Rc3 Rc5 20. d4?! { (6.62 → 4.73) Inaccuracy. Qe2 was best. } (20. Qe2 Nf6 21. Nxe5 Rxc3 22. bxc3 Bd6 23. d4 Qb7 24. Qc4+ Kb8 25. Nxf7 Rc8 26. Qe6 Bc7) 20... Rxc3 21. bxc3 e4 22. Ne5 Bd6 23. Qf4?? { (8.45 → 3.09) Blunder. Qe2 was best. } (23. Qe2 Kd8) 23... Nf6 24. Qf5+ Kb8 25. Bd2 Bxe5?? { (2.62 → 6.95) Blunder. Re8 was best. } (25... Re8) 26. dxe5 Nh7?! { (6.39 → 11.03) Inaccuracy. Qd7 was best. } (26... Qd7 27. Qf4) 27. Rb1+ Ka7?! { (10.65 → Mate in 4) Checkmate is now unavoidable. Qb7 was best. } (27... Qb7 28. Rxb7+ Kxb7 29. Qd7+ Kb8 30. Be3 Nf8 31. Qd8+ Kb7 32. Qb6+ Kc8 33. Qxa6+ Kd7 34. Qb7+) 28. Be3+ Ka8 29. Qxe4+ Qb7 30. Qxb7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting