Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kramnik_Variation
Moves: 1. e4 c5 2. c4 e6 3. Nf3 g6 4. Nc3 Bg7 5. Be2 a6 6. a4 Nc6 7. O-O Nge7 8. d3
O-O 9. Be3 f5 10. exf5 Nxf5 11. Qd2 Ncd4 12. Nxd4 *
Position (FEN): r1bq1rk1/1p1p2bp/p3p1p1/2p2n2/P1PN4/2NPB3/1P1QBPPP/R4RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1625
Best move: cxd4