Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8.
Bg5 Nc6 9. Nxc6 bxc6 10. Rb1 Bb7 11. Bd3 d5 12. e5 Nd7 13. f4 Qb6+ 14. Kh1 d4
15. Ne4 c5 16. Bxe7 Rfe8 17. Bd6 Qc6 18. Qe2 Nb6 19. Rbe1 *
Position (FEN): r3r1k1/pb3pbp/1nqB2p1/2p1P3/3pNP2/3B4/PPP1Q1PP/4RR1K b - - 6 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1658
Best move: c4