Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 h6 5. a3 Bc5 6. h3 O-O 7. f4 d6 8. f5 Bd4
9. Bd2 d5 10. Nxd5 Nxd5 11. Bxd5 Qh4+ 12. Ke2 *
Position (FEN): r1b2rk1/ppp2pp1/2n4p/3BpP2/3bP2q/P2P3P/1PPBK1P1/R2Q2NR b - - 2 12
Black to move.
Themes:   Mate in 1 
Puzzle rating: 1500
Best move: Qf2#