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. Be3 Bg7 7. f3 Nc6 8. Qd2
Nxd4 9. Bxd4 O-O 10. O-O-O a6 11. g4 b5 12. h4 b4 13. Na4 Qa5 14. b3 Bd7 15.
Bb6 Qe5 16. f4 *
Position (FEN): r4rk1/3bppbp/pB1p1np1/4q3/Np2PPPP/1P6/P1PQ4/2KR1B1R b - - 0 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1549
Best move: Qa1#