Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Other_variations
Moves: 1. e4 e6 2. Qf3 d5 3. exd5 exd5 4. Nc3 Nf6 5. d3 c5 6. Bg5 Be7 7. O-O-O O-O 8.
Bxf6 Bxf6 9. Nxd5 Bg5+ 10. Kb1 Be6 11. Nc3 Bf6 12. Qxb7 Bxc3 13. Qxa8 Qb6 14.
b3 Bxb3 15. axb3 Qa5 16. Ne2 *
Position (FEN): Qn3rk1/p4ppp/8/q1p5/8/1PbP4/2P1NPPP/1K1R1B1R b - - 2 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 748
Best move: Qa1#