Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Kingside_Fianchetto
Moves: 1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. d4 Nc6 5. O-O e6 6. c4 Nge7 7. d5 exd5 8. cxd5
Ne5 9. Nc3 Bd7 10. Bg5 O-O 11. e4 f6 12. Be3 Nxf3+ 13. Bxf3 f5 14. Bd4 fxe4 15.
Bxg7 Rxf3 16. Nxe4 Bg4 17. Qd4 Nf5 18. Qf6 *
Position (FEN): r2q2k1/ppp3Bp/3p1Qp1/3P1n2/4N1b1/5rP1/PP3P1P/R4RK1 b - - 4 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1902
Best move: Nxg7