Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. d4 Nxe5 5. dxe5 Nxe4 6. Bc4 Bc5 7. Bxf7+ Kf8
8. O-O Qh4 9. Bd5 Bxf2+ 10. Kh1 *
Position (FEN): r1b2k1r/pppp2pp/8/3BP3/4n2q/8/PPP2bPP/RNBQ1R1K b - - 1 10
Black to move.
Themes: Pin Opening Mate in 1 
Puzzle rating: 756
Best move: Ng3#