Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Other_variations
Moves: 1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 e6 5. O-O Bd6 6. Re1 O-O 7. Bg5 h6 8. Bxf6
Qxf6 9. e4 dxe4 10. Rxe4 b6 11. Nc3 Bd7 12. Nb5 Nb4 13. Nxd6 cxd6 14. c3 Nd5
15. Qd2 Bc6 16. Re2 g5 17. Rae1 Nc7 18. Nxg5 *
Position (FEN): r4rk1/p1n2p2/1pbppq1p/6N1/3P4/2P3P1/PP1QRPBP/4R1K1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1679
Best move: Bxg2