Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/KUZffOVR"]
[Date "2025.07.09"]
[White "LuNa"]
[Black "Ariella"]
[Result "0-1"]
[UTCDate "2025.07.09"]
[UTCTime "20:02:18"]
[WhiteElo "895"]
[BlackElo "1196"]
[WhiteRatingDiff "-5"]
[BlackRatingDiff "+4"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C20"]
[Opening "King's Pawn Game: Tortoise Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Bd3?! { (0.58 → -0.27) Inaccuracy. Nf3 was best. } { C20 King's Pawn Game: Tortoise Opening } (2. Nf3) 2... Bc5 3. b4? { (-0.18 → -1.42) Mistake. Nf3 was best. } (3. Nf3 Nc6 4. Nc3 Nf6 5. Nd5 d6 6. c3 Be6 7. Nxf6+ Qxf6 8. b4 Bb6 9. a4 a5) 3... Bb6?! { (-1.42 → -0.60) Inaccuracy. Bxb4 was best. } (3... Bxb4 4. Nf3 Nc6 5. O-O Nf6 6. c3 Be7 7. Re1 O-O 8. Bb5 Re8 9. Qc2 d5 10. d3) 4. c3?! { (-0.60 → -1.54) Inaccuracy. Nf3 was best. } (4. Nf3 Nf6 5. O-O d6 6. c3 O-O 7. Bc2 a5 8. bxa5 Bxa5 9. Na3 Nc6 10. Nc4) 4... Qf6?? { (-1.54 → 0.21) Blunder. Nf6 was best. } (4... Nf6 5. a4) 5. f4?? { (0.21 → -2.93) Blunder. Nf3 was best. } (5. Nf3 a5 6. b5 Qg6 7. O-O d6 8. Na3 Bh3 9. Ne1 Nd7 10. Nc4 Ba7 11. Be2 Ngf6) 5... Qxf4 6. Ne2?? { (-2.64 → Mate in 1) Checkmate is now unavoidable. Nf3 was best. } (6. Nf3 d5 7. Be2 dxe4 8. d4 Qg4 9. Nxe5 Qxg2 10. Rf1 Nf6 11. a4 c6 12. Bc4 O-O) 6... Qf2# { Black wins by checkmate. } 0-1