Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. c3 e6 3. Bf4 Bd6 4. Bg3 Bxg3 5. hxg3 Nc6 6. Qc2 g6 7. Nd2 b6 8. e3
Bb7 9. e4 dxe4 10. Nxe4 Qd5 11. Nf3 O-O-O 12. O-O-O f5 13. c4 Qxe4 14. Qxe4 *
Position (FEN): 2kr2nr/pbp4p/1pn1p1p1/5p2/2PPQ3/5NP1/PP3PP1/2KR1B1R b - - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1186
Best move: fxe4