Bogo-Indian Defense – Main Line
After 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+, Black pins White’s knight or aims to exchange it, shaping a solid defense.

Line preview
28 moves in the full line
1.d2-d4
g8-f6
2.c2-c4
e7-e6
3.g1-f3
f8-b4
4.b1-d2
b4-xd
…and 20 more moves
Study Bogo-Indian Defense – Main Line on Chessyi
Chessyi lets you practice this opening with guided move validation, run Stockfish on any position in the line, and browse related master games from our library of 166 opening collections. Whether you are building a repertoire or preparing for an opponent who plays this system, you have analysis, drills, and real games in one place.
What makes Chessyi different for opening study
- Practice mode validates your moves against the full line
- Heatmaps show control and tension as the position develops
- Load thousands of master games in the same opening family
- No separate database subscription required
Master Bogo-Indian Defense – Main Line
Open the board, select this line, and drill with Stockfish and master games.
Start for free