Chess puzzle (Advantage)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Gedult_Gambit
Moves: 1. e4 d5 2. d4 dxe4 3. f3 Nf6 4. Bg5 Bf5 5. Nc3 e6 *
Position (FEN): rn1qkb1r/ppp2ppp/4pn2/5bB1/3Pp3/2N2P2/PPP3PP/R2QKBNR w KQkq - 0 6
White to move.
Themes:  Opening  
Puzzle rating: 1808
Best move: fxe4