Chess puzzle (Advantage)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Other_variations
Moves: 1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. Nxe4 *
Position (FEN): rnbqkb1r/ppp1pppp/5n2/8/3PN3/8/PPP2PPP/R1BQKBNR b KQkq - 0 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1114
Best move: Nxe4