Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. gxf3 Be7 6. exd6 cxd6 7. Bb5+ Nd7
8. Nc3 a6 9. Bd3 Qb6 10. Nd5 Qa5+ 11. Bd2 Qd8 12. Qe2 Bh4 13. O-O-O Nb6 14.
Nxb6 Qxb6 15. Bc3 Bxf2 16. Bxg7 Be3+ 17. Kb1 Bd4 18. Bxh8 *
Position (FEN): r3k1nB/1p3p1p/pq1p4/8/3bP3/3B1P2/PPP1Q2P/1K1R3R b q - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 789
Best move: Qxb2#