Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Bc4 Bc5 6. O-O Ng4 7. c3 Qd6 8.
d4 *
Position (FEN): r1b1k2r/ppp2ppp/2pq4/2b5/2BPP1n1/2P5/PP3PPP/RNBQ1RK1 b kq - 0 8
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 662
Best move: Qxh2#