Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Antal_Defense
Moves: 1. e4 d6 2. d4 Nd7 3. Nf3 h6 4. Bd3 g5 5. h3 c6 6. b3 Qc7 7. Bb2 e5 8. dxe5
dxe5 9. Nfd2 Ngf6 10. Na3 b5 11. Qf3 a6 12. c4 b4 13. Nc2 c5 14. Qf5 Be7 15.
Nf3 Bd6 16. Ne3 Nh5 17. Qg4 *
Position (FEN): r1b1k2r/2qn1p2/p2b3p/2p1p1pn/1pP1P1Q1/1P1BNN1P/PB3PP1/R3K2R b KQkq - 7 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1394
Best move: Ndf6