Chess puzzle (Checkmate)
Opening: Pirc_Defense, Pirc_Defense_Byrne_Variation
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 Nbd7 6. Bd3 b6 7. Nf3 Bb7 8.
O-O-O b5 9. Bxb5 a6 10. Bd3 Rb8 11. h4 c5 12. d5 Qb6 13. Bc4 Bxd5 14. exd5 *
Position (FEN): 1r2k2r/3nppbp/pq1p1np1/2pP2B1/2B4P/2N2N2/PPPQ1PP1/2KR3R b k - 0 14
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 660
Best move: Qxb2#