Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O a6 5. Ba4 b5 6. Bb3 Bb7 7. Ng5 d5 8. exd5
Na5 9. c4 Nxc4 10. d4 Qxd5 11. Nf3 O-O-O 12. Nxe5 *
Position (FEN): 2kr1b1r/1bp2ppp/p4n2/1p1qN3/2nP4/1B6/PP3PPP/RNBQ1RK1 b - - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 991
Best move: Qxg2#