Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/JNN2Mv7S"]
[Date "2026.02.26"]
[White "Drew"]
[Black "Junhee"]
[Result "0-1"]
[UTCDate "2026.02.26"]
[UTCTime "00:09:58"]
[WhiteElo "1666"]
[BlackElo "1726"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+8"]
[WhiteTitle "GM"]
[BlackTitle "GM⏳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C20"]
[Opening "Bongcloud Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Ke2?? { (0.50 → -1.78) Blunder. Nf3 was best. } { C20 Bongcloud Attack } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6) 2... Ke7?? { (-1.78 → 0.44) Blunder. Nf6 was best. } (2... Nf6 3. d3) 3. Ke3?? { (0.44 → -1.54) Blunder. Nf3 was best. } (3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Ke8 6. Nxc6 bxc6 7. Ke1 Nf6 8. Bd3 d5 9. Qe2 dxe4) 3... Ke6?? { (-1.54 → 1.44) Blunder. Nf6 was best. } (3... Nf6) 4. Kf3?? { (1.44 → -0.76) Blunder. Bc4+ was best. } (4. Bc4+ Ke7) 4... Kf6?? { (-0.76 → 1.46) Blunder. d5 was best. } (4... d5 5. g3 dxe4+ 6. Kg2 Ke7 7. f3 Ke8 8. fxe4 Nc6 9. Nf3 Bc5 10. Bb5 Qd7 11. h3) 5. Kg3? { (1.46 → 0.09) Mistake. d4 was best. } (5. d4) 5... Kg6?? { (0.09 → 2.62) Blunder. Ke7 was best. } (5... Ke7 6. Nc3) 6. Qg4+ Qg5 7. Nc3?? { (2.54 → -1.27) Blunder. Qxg5+ was best. } (7. Qxg5+ Kxg5 8. d4+ Kg6 9. dxe5 f6 10. exf6 Nxf6 11. Bd3 d5 12. exd5+ Bf5 13. Bxf5+ Kxf5) 7... d6?? { (-1.27 → 4.46) Blunder. Qxg4+ was best. } (7... Qxg4+) 8. d3?? { (4.46 → Mate in 1) Checkmate is now unavoidable. Qxg5+ was best. } (8. Qxg5+) 8... Qxg4# { Black wins by checkmate. } 0-1