Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3

Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation after 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 87654321abcdefgh

The Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation is a chess opening classified as ECO A52, reached after 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3. It is a line of the Indian Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 4,686 times by this move order. White won 48%, 5% were drawn and Black won 47%. The most popular continuation is 4… Bc5 (47% of games).

Engine evaluation: +0.50 (Stockfish, depth 52; best line 4… Bc5 5. e3 Nc6 6. Nc3 O-O 7. Nd4)

ECO
A52
Moves
7 plies
FEN
rnbqkb1r/pppp1ppp/8/4P3/2P3n1/5N2/PP2PPPP/RNBQKB1R b KQkq - 2 4
PGN
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-149930848%50%
1500-19992,98149%47%
2000+1,39748%46%
All4,68648%47%

Most played moves

MoveGamesWhite / draw / Black
4… Bc52,189 (47%)48%48%
4… Nc61,984 (42%)49%46%
4… d6395 (8%)45%51%
4… Bb4+88 (2%)45%14%41%
4… Qe713 (0%)85%15%
4… Nxf25 (0%)40%60%
4… f63 (0%)67%33%
4… d52 (0%)50%50%

Master games

1,750 over-the-board games are classified under this line (White 45%, draw 17%, Black 38%). The strongest:

Search all games of the Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation and its sub-variations

Highest-rated Lichess games

Comes from

Indian Defense: Budapest Gambit Accepted, Main Line 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4

More Indian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.