Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. f3 Nc6 8. Qd2
d6 9. O-O-O Be7 10. g4 O-O 11. h4 b5 12. h5 b4 13. Nce2 a5 14. Nxc6 Qxc6 15.
Nd4 Qc7 16. g5 Ne8 17. Bh3 e5 18. Bxc8 *
Position (FEN): r1B1nrk1/2q1bppp/3p4/p3p1PP/1p1NP3/4BP2/PPPQ4/2KR3R b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1702
Best move: exd4