Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nf3 Nc6 3. c3 Nf6 4. Bg5 h6 5. Nbd2 hxg5 6. Nxg5 e6 7. Qc2 Bd7 8.
Ndf3 Qe7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 O-O-O 12. Ne5 Nxe5 13. Qxe5 f6 14.
Qe4 e5 15. Ba6 bxa6 *
Position (FEN): 2kr1b1r/p1pbq1p1/p4p2/4p3/3PQ3/2P5/PP3PPP/R3K2R w KQ - 0 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 759
Best move: Qa8#