Puzzles (3 cohencoins award for each match):
FEN
[Event "MrCohenOS Arena"]
[Site "https://cohenchessclub.com/571ppJtF"]
[Date "2026.02.19"]
[White "MicHaEL2"]
[Black "Garyd"]
[Result "1-0"]
[UTCDate "2026.02.19"]
[UTCTime "00:38:37"]
[WhiteElo "1727"]
[BlackElo "1712"]
[WhiteRatingDiff "+10"]
[BlackRatingDiff "-5"]
[WhiteTitle "GM👑"]
[BlackTitle "GM🙌"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D06"]
[Opening "Queen's Gambit Declined: Marshall Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. c4 Nf6 { D06 Queen's Gambit Declined: Marshall Defense } 3. Nc3?! { (0.80 → 0.20) Inaccuracy. cxd5 was best. } (3. cxd5 g6) 3... Bf5?! { (0.20 → 0.85) Inaccuracy. dxc4 was best. } (3... dxc4 4. Nf3 a6 5. e4 b5 6. e5 Nd5 7. a4 c6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5) 4. e3?! { (0.85 → 0.33) Inaccuracy. cxd5 was best. } (4. cxd5 Nxd5 5. g3 Nxc3 6. bxc3 Be4 7. f3 Bc6 8. e4 e6 9. Bd3 Be7 10. a4 O-O) 4... e6 5. c5?! { (0.15 → -0.36) Inaccuracy. Qb3 was best. } (5. Qb3 Nc6) 5... Nc6? { (-0.36 → 0.78) Mistake. b6 was best. } (5... b6 6. Qa4+ c6 7. cxb6 Qxb6 8. Nf3 h6 9. Qd1 Nbd7 10. Bd3 Bxd3 11. Qxd3 c5 12. dxc5) 6. Nf3?! { (0.78 → 0.25) Inaccuracy. Bb5 was best. } (6. Bb5 Be7 7. Qa4 O-O 8. Bxc6 bxc6 9. Nf3 Nd7 10. O-O a5 11. Qxc6 a4 12. Rd1 Qc8) 6... Ne4?? { (0.25 → 1.86) Blunder. a6 was best. } (6... a6 7. a3) 7. Bd3?? { (1.86 → 0.12) Blunder. Bb5 was best. } (7. Bb5 Nxc3 8. bxc3 f6 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qa4 Qd7 12. O-O f5 13. Rb1 Be7) 7... Nxc3 8. bxc3 Bxd3 9. Qxd3 Be7 10. Ne5?? { (0.57 → -2.47) Blunder. Qb5 was best. } (10. Qb5 Qc8 11. Ne5 a6 12. Qa4 Bf6 13. Nxc6 Qd7 14. Rb1 Qxc6 15. Qxc6+ bxc6 16. Ke2 Kd7) 10... Nxe5 11. dxe5 Bxc5?? { (-2.58 → 6.07) Blunder. Qd7 was best. } (11... Qd7) 12. Qb5+ c6 13. Qxc5 b6 14. Qxc6+ Ke7? { (8.09 → Mate in 3) Checkmate is now unavoidable. Kf8 was best. } (14... Kf8) 15. Ba3+ { Black resigns. } 1-0