Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d5 3. exd5 Nf6 4. c4 e6 5. Qe2 Be7 6. dxe6 fxe6 7. Nf3 O-O 8.
Nc3 Nc6 9. d3 Nd4 10. Nxd4 cxd4 11. Ne4 e5 12. fxe5 Ng4 13. g3 Nxe5 14. Bg2 Bg4
15. Qc2 Bb4+ 16. Bd2 Qa5 17. a3 Bxd2+ 18. Qxd2 *
Position (FEN): r4rk1/pp4pp/8/q3n3/2PpN1b1/P2P2P1/1P1Q2BP/R3K2R b KQ - 0 18
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1536
Best move: Nxd3#