Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 e6 3. Nf3 Nc6 4. Be2 Bd6 5. a3 Nf6 6. b4 a5 7. b5 Ne7 8. Bb2 b6
9. Nbd2 c6 10. bxc6 Nxc6 11. Bb5 Bd7 12. Ne5 Qc7 13. Ndf3 Nxe5 14. Bxd7+ Nexd7
15. O-O Ng4 16. g3 Ndf6 17. Ne5 Ne4 18. Nxg4 f6 19. f3 Bxg3 *
Position (FEN): r3k2r/2q3pp/1p2pp2/p2p4/3Pn1N1/P3PPb1/1BP4P/R2Q1RK1 w kq - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1412
Best move: fxe4