Indian Defense: Budapest Gambit Accepted, Main Line

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4

ECO A52

The Indian Defense: Budapest Gambit Accepted, Main Line is a chess opening line in the Indian Defense complex, reached after 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4.

It is catalogued under code A52 in the Encyclopaedia of Chess Openings (ECO).

The defining move Ng4 is chosen by Black on move 3.

3 named continuations branch from this position, including the Adler Variation and the Alekhine Variation.

Named variations

• Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation — ECO A52
• Indian Defense: Budapest Gambit Accepted, Main Line, Alekhine Variation — ECO A52
• Indian Defense: Budapest Gambit Accepted, Main Line, Rubinstein Variation — ECO A52

Study this line with a grandmaster

This position is covered in the Budapest Gambit course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.