Chess puzzle (Checkmate)
Opening: Pirc_Defense, Pirc_Defense_Other_variations
Moves: 1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Bf4 Bg7 5. Qd2 O-O 6. O-O-O c5 7. dxc5 Nc6 8.
cxd6 exd6 9. Bxd6 Re8 10. f3 Qa5 11. Bc4 Be6 12. Nd5 Qxd2+ 13. Rxd2 Bxd5 14.
exd5 Bh6 15. dxc6 *
Position (FEN): r3r1k1/pp3p1p/2PB1npb/8/2B5/5P2/PPPR2PP/2K3NR b - - 0 15
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 816
Best move: Re1#