Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. dxc5 Nc6 6. Be3 Nf6 7. Bb5 Be7 8.
Nf3 O-O 9. Bxc6 bxc6 10. Nd4 Qc7 11. O-O Bxc5 12. b4 Ng4 13. bxc5 *
Position (FEN): r1b2rk1/p1q2ppp/2p5/2Pp4/3N2n1/2P1B3/P4PPP/RN1Q1RK1 b - - 0 13
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 940
Best move: Qxh2#