Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. d4 d5 2. e4 e6 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Be7 6. Bd3 c6 7. Be3 h6 8. Qd2
Nf6 9. h3 Bd6 10. Ne5 Nbd7 11. Bf4 Nd5 12. Nxd5 exd5 13. O-O-O O-O 14. Bxh6
Nxe5 15. dxe5 Bxe5 16. Bf4 Bf6 17. Kb1 Qb6 18. h4 *
Position (FEN): r1b2rk1/pp3pp1/1qp2b2/3p4/5B1P/3B4/PPPQ1PP1/1K1R3R b - - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 630
Best move: Qxb2#