Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/vBJ9dPTL"]
[Date "2026.05.01"]
[White "Robbie3"]
[Black "Eli4"]
[Result "0-1"]
[UTCDate "2026.05.01"]
[UTCTime "23:29:12"]
[WhiteElo "1191"]
[BlackElo "736"]
[WhiteRatingDiff "-18"]
[BlackRatingDiff "+23"]
[WhiteTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Russian Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nf6 { C42 Russian Game } 3. Bb5? { (0.75 → -0.75) Mistake. Nxe5 was best. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nf6 9. Nc3 O-O) 3... Bc5?? { (-0.75 → 0.85) Blunder. Nxe4 was best. } (3... Nxe4 4. d4 exd4 5. Qe2 Qe7 6. O-O a6 7. Bc4 Nf6 8. Re1 d5 9. Bxd5 Qxe2 10. Rxe2+) 4. Nc3? { (0.85 → -0.21) Mistake. Nxe5 was best. } (4. Nxe5 Nc6 5. Bxc6 dxc6 6. Qe2 Qe7 7. Nd3 Bd4 8. c3 Bb6 9. f3 Nh5 10. g4 Nf6) 4... Bb4? { (-0.21 → 1.10) Mistake. c6 was best. } (4... c6 5. Bc4 b5 6. Bb3 d6 7. d3 a5 8. a4 b4 9. Ne2 O-O 10. c3 Nbd7 11. O-O) 5. Nxe5 Bxc3 6. bxc3?! { (1.10 → 0.56) Inaccuracy. dxc3 was best. } (6. dxc3 O-O) 6... Nxe4?? { (0.56 → 4.21) Blunder. O-O was best. } (6... O-O 7. O-O Nxe4 8. Re1 d5 9. Ba3 c5 10. Qh5 Nd7 11. Bxd7 Bxd7 12. Rxe4 dxe4 13. Bxc5) 7. d3?? { (4.21 → -1.46) Blunder. Qe2 was best. } (7. Qe2 Qe7) 7... Qe7?? { (-1.46 → 0.49) Blunder. Nxc3 was best. } (7... Nxc3) 8. Nf3?? { (0.49 → -7.97) Blunder. dxe4 was best. } (8. dxe4) 8... Nxc3+ 9. Qe2? { (-7.67 → Mate in 1) Checkmate is now unavoidable. Kd2 was best. } (9. Kd2 Nxd1) 9... Qxe2# { Black wins by checkmate. } 0-1