Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Anglo-Indian_Defense
Moves: 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e3 Nc6 5. Ne2 d6 6. d4 Bg4 7. Nbc3 Bf5 8. a3
Qd7 9. h3 h5 10. b4 O-O-O 11. Rb1 Bxb1 12. Nxb1 d5 13. b5 Na5 14. Qa4 b6 15.
Bd2 Nxc4 16. Qxa7 Nxd2 *
Position (FEN): 2kr3r/Q1pqppb1/1p3np1/1P1p3p/3P4/P3P1PP/3nNPB1/1N2K2R w K - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1351
Best move: Qa8#