Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Bc5 8.
Nde2 Nc6 9. Be3 Ng4 10. Bxc5 *
Position (FEN): r1b1k2r/1pqp1ppp/p1n1p3/2B5/4P1n1/2NB4/PPP1NPPP/R2Q1RK1 b kq - 0 10
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 770
Best move: Qxh2#