Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be6 8. Be3
Be7 9. Qe2 d5 10. exd5 Nxd5 11. Nxd5 Bxd5 12. O-O-O Nb4 13. a3 Nxc2 14. Qb5+
Bc6 15. Rxd8+ Rxd8 16. Qc4 Nxe3 17. Qc3 *
Position (FEN): 3rk2r/pp2bppp/2b5/4p3/8/PNQ1nP2/1P4PP/2K2B1R b k - 1 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 999
Best move: Rd1#