Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 a6 4. a4 Qc7 5. e5 Nc6 6. Nf3 Nd4 7. Bc4 h5 8. O-O b6
9. Nxd4 *
Position (FEN): r1b1kbnr/2qp1pp1/pp2p3/2p1P2p/P1BN1P2/2N5/1PPP2PP/R1BQ1RK1 b kq - 0 9
Black to move.
Themes:  Middlegame  
Puzzle rating: 1033
Best move: cxd4