411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3/3...d5/4. exd5
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Modern defence C36 King's gambit → King's knight gambit → Modern defence
4. exd5
White takes the d-pawn.
After 4...Nf6, the Abbazia defence, White usually allows Black to recover the pawn.
Theory table
References
See also