Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 O-O 8.
O-O-O Nc6 9. Nf3 Bd7 10. h4 Rc8 11. Nd5 Nxd5 12. exd5 Ne5 13. Nxe5 Bxe5 14. h5
Qb6 15. b3 Qc5 16. Kb1 Qa3 17. c4 Bf5+ 18. Bd3 Bxd3+ 19. Qxd3 *
Position (FEN): 2r2rk1/pp2pp1p/3p2p1/3Pb1BP/2P5/qP1Q4/P4PP1/1K1R3R b - - 0 19
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 894
Best move: Qb2#