Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. e5 Ng4 6. d4 Bc5 7. c3 Bf8 8.
Be2 Qh4 9. g3 Qh5 10. O-O *
Position (FEN): r1b1kb1r/ppp2ppp/2p5/4P2q/3P2n1/2P3P1/PP2BP1P/RNBQ1RK1 b kq - 2 10
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 519
Best move: Qxh2#