Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. Nf3 O-O 7. e3 Bg4 8.
Be2 c6 9. h3 Bh5 10. Ne5 Bxe2 11. Nxe2 Nbd7 12. Nf4 Ne4 13. Qg4 Nxg5 14. Nxd7 *
Position (FEN): r2q1rk1/pp1Nbppp/2p5/3p2n1/3P1NQ1/4P2P/PP3PP1/R3K2R b KQ - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1822
Best move: f5