Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nf6 8. f3
O-O 9. O-O-O a6 10. g4 b5 11. Nxc6 Qc7 12. Nd4 Bd7 13. h4 Rac8 14. h5 b4 15.
Nce2 Ba4 16. Nb3 Nd7 17. hxg6 fxg6 18. Bg2 Ne5 19. Rh3 *
Position (FEN): 2r2rk1/2q1p1bp/p2p2p1/4n3/bp2P1P1/1N2BP1R/PPPQN1B1/2KR4 b - - 3 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1427
Best move: Nc4