Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. a3 Bd7 7. Bc4 Nc6 8. Nf5
Rc8 9. Ba2 e6 10. Nxd6+ Bxd6 11. Qxd6 Qe7 12. Qg3 Nd4 13. O-O *
Position (FEN): 2r1k2r/1p1bqppp/p3pn2/8/3nP3/P1N3Q1/BPP2PPP/R1B2RK1 b k - 4 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1783
Best move: Rxc3