Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/sK5BK4yt"]
[Date "2026.02.18"]
[White "SaViNa"]
[Black "LuNa"]
[Result "0-1"]
[UTCDate "2026.02.18"]
[UTCTime "21:17:16"]
[WhiteElo "1300"]
[BlackElo "832"]
[WhiteRatingDiff "-25"]
[BlackRatingDiff "+32"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C48"]
[Opening "Four Knights Game: Spanish Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 { C48 Four Knights Game: Spanish Variation } Nxe4?? { (0.01 → 4.55) Blunder. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bc5 11. O-O) 5. Nxe4 Bb4?! { (4.61 → 6.68) Inaccuracy. f5 was best. } (5... f5 6. Nc3) 6. Bxc6 dxc6 7. Nxe5?? { (6.26 → 0.10) Blunder. a3 was best. } (7. a3 f5) 7... Qh4?? { (0.10 → 8.24) Blunder. Qd5 was best. } (7... Qd5 8. O-O Qxe5 9. a3 Be7 10. d3 Be6 11. Re1 Qf5 12. Qd2 O-O-O 13. Ng5 Bxg5 14. Qxg5) 8. O-O h5 9. g3?! { (9.71 → 5.33) Inaccuracy. d3 was best. } (9. d3) 9... Qxe4 10. Nd3?? { (5.47 → -0.84) Blunder. Re1 was best. } (10. Re1 Qf5) 10... h4?? { (-0.84 → 6.72) Blunder. Be7 was best. } (10... Be7) 11. Nxb4?? { (6.72 → -1.25) Blunder. Re1 was best. } (11. Re1) 11... hxg3?! { (-1.25 → -0.56) Inaccuracy. Qxb4 was best. } (11... Qxb4) 12. fxg3 Qh7?? { (-0.32 → 5.44) Blunder. Qxb4 was best. } (12... Qxb4 13. Qe1+ Be6 14. d3 Qb5 15. Rf2 O-O-O 16. Bf4 Qxb2 17. Be5 Qb5 18. Bxg7 Rh5 19. Bf6) 13. d3 Qxh2# { Black wins by checkmate. } 0-1