Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. d4 cxd4 3. Nf3 d6 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. g4
Nc6 9. g5 Nd7 10. h4 Nce5 11. f4 Nc6 12. Qd2 Nc5 13. O-O-O Qa5 14. f5 Nb4 15.
Kb1 *
Position (FEN): r1b1k2r/1p2ppbp/p2p2p1/q1n2PP1/1n1NP2P/2N1B3/PPPQ4/1K1R1B1R b kq - 2 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1626
Best move: Nxe4