Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nce7 4. Nxe5 Nf6 5. f3 c6 6. Be2 Nh5 7. d3 d5 8.
exd5 Nxd5 9. O-O Bc5+ 10. Kh1 Qh4 11. f4 *
Position (FEN): r1b1k2r/pp3ppp/2p5/2bnN2n/5P1q/3P4/PPP1B1PP/RNBQ1R1K b kq - 0 11
Black to move.
Themes: Pin Opening Mate in 1 
Puzzle rating: 1196
Best move: Ng3#