Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Snyder_Variation
Moves: 1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. Nc3 Nf6 6. Bxc6 Bxc6 7. f3 g6 8. d4
cxd4 9. Qxd4 Bg7 10. O-O-O O-O 11. Nd5 Nxd5 *
Position (FEN): r2q1rk1/pp2ppbp/2bp2p1/3n4/3QP3/1P3P2/PBP3PP/2KR2NR w - - 0 12
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 906
Best move: Qxg7#