Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. Nf3 b5 6. e4 e6 7. e5 Be7 *
Position (FEN): rnbqk2r/p3bppp/2p1pn2/1p2P1B1/2pP4/2N2N2/PP3PPP/R2QKB1R w KQkq - 1 8
White to move.
Themes:  Middlegame  
Puzzle rating: 1393
Best move: exf6