Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Burn_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 h6 5. Bh4 Bb4 6. exd5 exd5 7. Bd3 O-O 8.
Ne2 Qd6 9. Qd2 Re8 10. O-O-O a5 11. a3 Bxa3 12. bxa3 Qxa3+ 13. Kb1 Nc6 14. Na2
Nb4 15. c3 Nxd3 16. Qxd3 Re6 17. c4 Rb6+ 18. Ka1 *
Position (FEN): r1b3k1/1pp2pp1/1r3n1p/p2p4/2PP3B/q2Q4/N3NPPP/K2R3R b - - 2 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 812
Best move: Qb2#