Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be7 8. Be3
Be6 9. Qd2 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. O-O-O O-O-O 13. Qc3 *
Position (FEN): 2kr3r/pp2bppp/2n1b3/3qp3/8/1NQ1BP2/PPP3PP/2KR1B1R b - - 3 13
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 588
Best move: Qxd1#