Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. O-O h5 7. Bf3 Nf6 8. Nc3
Bc5 9. Nb3 Ba7 10. Be3 Ng4 11. Bxa7 *
Position (FEN): rnb1k2r/Bpqp1pp1/p3p3/7p/4P1n1/1NN2B2/PPP2PPP/R2Q1RK1 b kq - 0 11
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 684
Best move: Qxh2#