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 h5 7. O-O Ng4 8.
Nc3 Qh4 9. d4 *
Position (FEN): r1b1k2r/ppp2pp1/2p5/2b4p/3PP1nq/2N5/PPP1BPPP/R1BQ1RK1 b kq - 0 9
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 877
Best move: Qxh2#