Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/d08nyOCj"]
[Date "2025.11.26"]
[White "LuNa"]
[Black "Walker"]
[Result "0-1"]
[UTCDate "2025.11.26"]
[UTCTime "21:03:44"]
[WhiteElo "851"]
[BlackElo "1538"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+1"]
[BlackTitle "⚡"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C20"]
[Opening "Center Game"]
[Termination "Time forfeit"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. d4?! { (0.60 → -0.29) Inaccuracy. Nf3 was best. } { C20 Center Game } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... f6?? { (-0.29 → 2.14) Blunder. exd4 was best. } (2... exd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Bb4 6. Nf3 d6 7. Qb3 Bxc3+ 8. Qxc3 Nf6 9. e5) 3. dxe5 fxe5?? { (2.05 → 8.96) Blunder. Bb4+ was best. } (3... Bb4+ 4. c3 Bc5 5. b4 Bb6 6. Nd2 Qe7 7. a4 a5 8. Nc4 axb4 9. Nxb6 cxb6 10. Bb5) 4. Qh5+ Ke7 5. Bg5+?? { (11.29 → 2.93) Blunder. Qxe5+ was best. } (5. Qxe5+) 5... Ke6?? { (2.93 → 15.00) Blunder. Nf6 was best. } (5... Nf6 6. Nc3 c6 7. f4 d6 8. fxe5 dxe5 9. Nf3 Nd7 10. O-O-O Qe8 11. Qh4 Kd8 12. Nxe5) 6. Bc4+ Kd6?! { (14.11 → Mate in 3) Checkmate is now unavoidable. d5 was best. } (6... d5 7. Bxd8) 7. Bxd8?! { (Mate in 3 → 17.69) Lost forced checkmate sequence. Qd1+ was best. } (7. Qd1+ Kc5 8. Qd5+ Kb4 9. Qb5#) 7... g6?! { (17.69 → Mate in 3) Checkmate is now unavoidable. Nf6 was best. } (7... Nf6 8. Qd1+ Kc6 9. Bxf6 Kb6 10. Bxe5 a6 11. Nc3 d6 12. Qd4+ c5 13. Qd5 Nc6 14. Bxd6) 8. Qd1+ Kc6 9. Bd5+?! { (Mate in 2 → 17.76) Lost forced checkmate sequence. Qd5+ was best. } (9. Qd5+ Kb6 10. Qb5#) 9... Kd6?! { (17.76 → Mate in 3) Checkmate is now unavoidable. Kb6 was best. } (9... Kb6 10. c3 a6 11. Qb3+ Ka7 12. Bxc7 Bc5 13. Bxe5 Nf6 14. Bxf6 Rf8 15. Bh4 d6 16. Ne2) 10. Bc4+ Kc6 11. Qd5+ Kb6 12. Ne2?! { (Mate in 1 → 21.26) Lost forced checkmate sequence. Qb5# was best. } (12. Qb5#) 12... Be7?! { (21.26 → Mate in 1) Checkmate is now unavoidable. Bc5 was best. } (12... Bc5 13. Nbc3) 13. Nec3 a6 { Black wins on time. } 0-1