Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/qruJKySV"]
[Date "2026.07.24"]
[White "Eli4"]
[Black "Eitan1"]
[Result "1-0"]
[UTCDate "2026.07.24"]
[UTCTime "23:03:21"]
[WhiteElo "734"]
[BlackElo "1221"]
[WhiteRatingDiff "+23"]
[BlackRatingDiff "-16"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D00"]
[Opening "Queen's Pawn Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. e3 { D00 Queen's Pawn Game } e5? { (0.13 → 1.38) Mistake. e6 was best. } (2... e6 3. Nf3 Be7 4. b3 Nf6 5. Bd3 b6 6. O-O Bb7 7. Bb2 O-O 8. Nbd2 Nbd7 9. Rc1) 3. Nc3?? { (1.38 → -0.16) Blunder. dxe5 was best. } (3. dxe5 Nc6 4. Nc3 Be6 5. f4 Qd7 6. Nf3 O-O-O 7. Bb5 a6 8. Ba4 Bc5 9. Ne2 b5) 3... exd4 4. exd4 Nc6 5. Nf3 b5?? { (0.23 → 5.55) Blunder. Bb4 was best. } (5... Bb4) 6. Bd3?? { (5.55 → 1.21) Blunder. Bxb5 was best. } (6. Bxb5) 6... b4?! { (1.21 → 2.18) Inaccuracy. a6 was best. } (6... a6 7. O-O) 7. Nxd5? { (2.18 → 0.82) Mistake. Qe2+ was best. } (7. Qe2+) 7... Qxd5 8. Bd2?? { (1.28 → -3.82) Blunder. Qe2+ was best. } (8. Qe2+ Nge7 9. Be4 Qd6 10. Bf4 Qf6 11. Be5 Qh6 12. O-O f5 13. Bd3 Kd8 14. d5 Nxd5) 8... Nxd4? { (-3.82 → -2.23) Mistake. Be7 was best. } (8... Be7 9. c4) 9. O-O?? { (-2.23 → -5.53) Blunder. Nxd4 was best. } (9. Nxd4 Qxd4) 9... Nxf3+ 10. gxf3 Qg5+?? { (-5.46 → 10.07) Blunder. Nf6 was best. } (10... Nf6) 11. Kh1?? { (10.07 → -4.45) Blunder. Bxg5 was best. } (11. Bxg5 Bd7) 11... Qd5?? { (-4.45 → 3.10) Blunder. Qh5 was best. } (11... Qh5 12. Re1+ Be6 13. f4 Qxd1 14. Bb5+ Kd8 15. Raxd1 Bd5+ 16. Kg1 Nf6 17. c4 c6 18. Ba6) 12. Re1+?! { (3.10 → 2.41) Inaccuracy. Be4 was best. } (12. Be4 Qb5) 12... Kd8?? { (2.41 → 7.46) Blunder. Be6 was best. } (12... Be6) 13. Qe2?? { (7.46 → -4.15) Blunder. Be4 was best. } (13. Be4 Qd7 14. Bc6 Nf6 15. Bxd7 Bxd7 16. Bf4 Kc8 17. Qd3 Kb7 18. a3 a5 19. Qc4 Bc6) 13... Bd6?? { (-4.15 → Mate in 1) Checkmate is now unavoidable. Nf6 was best. } (13... Nf6 14. Bf4 Bd7 15. Rad1 Qe6 16. Qd2 Qc6 17. Bf5 Bd6 18. Bxd6 Qxf3+ 19. Kg1 Qxf5 20. Bg3) 14. Qe8# { White wins by checkmate. } 1-0