Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. c3 d5 5. e5 Nge7 6. Bb5 a6 7. Ba4 b5 8. Bc2 Bb7
9. O-O Nc8 10. d4 cxd4 11. Nxd4 Bc5 12. Be3 Qb6 13. b4 Bxd4 14. Bxd4 Nxd4 15.
cxd4 Ne7 16. Nd2 Rc8 17. Rc1 Nc6 18. Bd3 *
Position (FEN): 2r1k2r/1b3ppp/pqn1p3/1p1pP3/1P1P1P2/3B4/P2N2PP/2RQ1RK1 b k - 6 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 899
Best move: Qxd4+