Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Be2 Qd4 7. O-O h5 8.
Nd2 Ng4 9. Bxg4 hxg4 10. Nb3 Qe5 11. Nxc5 *
Position (FEN): r1b1k2r/ppp2pp1/2p5/2N1q3/4P1p1/3P4/PPP2PPP/R1BQ1RK1 b kq - 0 11
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1172
Best move: Qxh2#