Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bd3 e5 6. Bg5 Be7 7. Bxf6 Bxf6 8.
Nc3 O-O 9. Qf3 Nd4 10. Qd1 a6 11. Nge2 Nc6 12. Qd2 Bg5 13. Qd1 Qa5 14. h4 Bh6
15. g4 g6 16. g5 Bg7 17. h5 Nd4 18. Nxd4 *
Position (FEN): r1b2rk1/1p1p1pbp/p5p1/q3p1PP/3NP3/2NB4/PPP2P2/R2QK2R b KQ - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1070
Best move: exd4