Chess puzzle (Checkmate)
Opening: Elephant_Gambit, Elephant_Gambit_Other_variations
Moves: 1. e4 e5 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qc5 5. d4 exd4 6. Nxd4 Nf6 7. Be3 Bd6 8.
Bb5+ Bd7 9. Ne6 Qe5 10. Bxd7+ Nbxd7 11. Nd4 a6 12. O-O *
Position (FEN): r3k2r/1ppn1ppp/p2b1n2/4q3/3N4/2N1B3/PPP2PPP/R2Q1RK1 b kq - 1 12
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 957
Best move: Qxh2#