Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Manhattan_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4 6. cxd5 exd5 7. a3 Ba5 8. b4
Bb6 9. Nxd5 c6 10. Nxb6 axb6 11. Bc4 O-O 12. Nf3 h6 13. Bf4 b5 14. Bb3 Re8 15.
O-O Ne4 16. Bc2 Ndf6 17. Ne5 Nc3 18. Qd3 Ncd5 19. e4 *
Position (FEN): r1bqr1k1/1p3pp1/2p2n1p/1p1nN3/1P1PPB2/P2Q4/2B2PPP/R4RK1 b - - 0 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 978
Best move: Nxf4