Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 a6 5. a3 b5 6. Ba2 Bb7 7. b3 Nf6 8. d3 d5
9. exd5 Nxd5 10. Nxd5 Qxd5 11. O-O Nd4 12. Nxd4 *
Position (FEN): r3kb1r/1b3ppp/p3p3/1ppq4/3N4/PP1P4/B1P2PPP/R1BQ1RK1 b kq - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 813
Best move: Qxg2#