Chess Opening Theory/1. e4/1...Nf6/2. Nc3/2...d5/3. e5/3...Nfd7/4. e6

= Alekhine's Defence: Spielmann Gambit = White gambits a pawn to provoke /4...fxe6/, which weakens Black's kingside structure and shuts off the bishops on c8 and f8.

Theory table
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'''1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 '''