Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 Bg4 5. e3 e6 6. Be2 Bb4 7. cxd5 Nxd5 8.
Bd2 Qf6 9. a3 Nxc3 10. bxc3 Ba5 11. Rb1 b6 12. Qa4 e5 13. Nxe5 O-O 14. Qxc6
Bxe2 15. Qxf6 gxf6 16. Nd7 Bd3 17. Nxf6+ *
Position (FEN): r4rk1/p1p2p1p/1p3N2/b7/3P4/P1PbP3/3B1PPP/1R2K2R b K - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1019
Best move: Kg7