Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/pSulqqNG"]
[Date "2026.03.21"]
[White "Rishi"]
[Black "Vladimir"]
[Result "0-1"]
[UTCDate "2026.03.21"]
[UTCTime "17:47:35"]
[WhiteElo "1373"]
[BlackElo "1293"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+10"]
[BlackTitle "GM🐧"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C68"]
[Opening "Ruy Lopez: Exchange Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6?! { (0.62 → 0.00) Inaccuracy. Ba4 was best. } { C68 Ruy Lopez: Exchange Variation } (4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7) 4... dxc6 5. Nxe5? { (0.23 → -1.05) Mistake. O-O was best. } (5. O-O f6 6. d4 exd4 7. Nxd4 Bd6 8. Nc3 Ne7 9. f4 O-O 10. a4 Bb4 11. Be3 c5) 5... Qf6?? { (-1.05 → 1.96) Blunder. Qd4 was best. } (5... Qd4 6. Nf3) 6. d4 Bd6 7. O-O?! { (2.47 → 1.37) Inaccuracy. Nc4 was best. } (7. Nc4 Ne7 8. O-O Qg6 9. Nbd2 Bh3 10. Nxd6+ cxd6 11. Qf3 Bd7 12. b3 O-O 13. Ba3 Rfe8) 7... c5?? { (1.37 → 3.36) Blunder. Bxe5 was best. } (7... Bxe5) 8. Nf3?! { (3.36 → 2.17) Inaccuracy. Nc4 was best. } (8. Nc4 cxd4) 8... cxd4?? { (2.17 → 7.84) Blunder. Qg6 was best. } (8... Qg6 9. dxc5) 9. Nxd4?? { (7.84 → 0.58) Blunder. e5 was best. } (9. e5 Bxe5 10. Nxe5 Bf5 11. Qxd4 Ne7 12. Re1 Rd8 13. Qf4 O-O 14. Nc3 Rfe8 15. Nf3 Ng6) 9... Bc5?? { (0.58 → 2.41) Blunder. Bd7 was best. } (9... Bd7 10. Nc3) 10. Nf3?! { (2.41 → 1.48) Inaccuracy. Nb3 was best. } (10. Nb3) 10... Qe6? { (1.48 → 2.82) Mistake. Ne7 was best. } (10... Ne7 11. Nc3) 11. Qe2?! { (2.82 → 1.81) Inaccuracy. Nc3 was best. } (11. Nc3) 11... Nf6 12. Nc3 b6 13. Ng5 Qe5 14. Be3? { (2.23 → 0.67) Mistake. Nf3 was best. } (14. Nf3 Qe6 15. Be3 Nxe4 16. Nxe4 Qxe4 17. Ng5 Bg4 18. Qe1 Qe7 19. Bxc5 bxc5 20. Qxe7+ Kxe7) 14... Ng4?? { (0.67 → 3.87) Blunder. Bxe3 was best. } (14... Bxe3 15. Qxe3 Ng4 16. Qg3 Qxg5 17. Nd5 O-O 18. h3 Qe5 19. hxg4 Qxg3 20. fxg3 Bxg4 21. Nxc7) 15. Qf3?? { (3.87 → Mate in 1) Checkmate is now unavoidable. Nf3 was best. } (15. Nf3 Qh5 16. Bxc5 Qxc5 17. Nd5 O-O 18. b4 Qd6 19. Rad1 Ne5 20. Nxe5 Qxe5 21. c3 Bf5) 15... Qxh2# { Black wins by checkmate. } 0-1