Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Sicilian_Invitation
Moves: 1. Nf3 c5 2. d4 g6 3. c4 cxd4 4. Nxd4 Bg7 5. Nc3 d6 6. g3 Nf6 7. Bg2 O-O 8. Bg5
Qb6 9. Qd2 Nc6 10. Nxc6 bxc6 11. O-O Rb8 12. b3 Ba6 13. Bh6 Bxh6 14. Qxh6 Qb4
15. Rfc1 Rfd8 16. Be4 d5 17. cxd5 *
Position (FEN): 1r1r2k1/p3pp1p/b1p2npQ/3P4/1q2B3/1PN3P1/P3PP1P/R1R3K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1260
Best move: Nxe4