Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_OKelly_Variation
Moves: 1. e4 c5 2. Nf3 a6 3. c3 e6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 Nc6 7. d5 exd5 8.
exd5 Nb4 9. Bc4 Qa5 10. Bd2 Qc5 11. Bb3 Nd3+ 12. Kf1 *
Position (FEN): r1b1kb1r/1p1p1ppp/p4n2/2qP4/8/1BNn1N2/PP1B1PPP/R2Q1K1R b kq - 8 12
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 935
Best move: Qxf2#