Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Old_Benoni
Moves: 1. d4 c5 2. d5 e5 3. c4 d6 4. e4 f5 5. exf5 Bxf5 6. Nc3 Nf6 7. Bg5 Be7 8. Bxf6
Bxf6 9. Bd3 Bg6 10. Bxg6+ hxg6 11. Qa4+ Nd7 12. Ne4 Rh4 13. Nxd6+ Kf8 14. O-O-O
Qb6 15. Nb5 a6 16. Nc3 e4 17. g3 Bxc3 18. gxh4 *
Position (FEN): r4k2/1p1n2p1/pq4p1/2pP4/Q1P1p2P/2b5/PP3P1P/2KR2NR b - - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 853
Best move: Qxb2#