Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. f3 Nc6 8.
Nxc6 bxc6 9. Qd2 h5 10. O-O-O Rb8 11. b3 Qa5 12. Na4 Qe5 13. f4 *
Position (FEN): 1rb1k2r/p3ppb1/2pp1np1/4q1Bp/N3PP2/1P6/P1PQ2PP/2KR1B1R b k - 0 13
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1158
Best move: Qa1#