Bogo-Indian Defense: Retreat Variation (9… b6 10. Nbd2)

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2

Bogo-Indian Defense: Retreat Variation after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2 87654321abcdefgh

The Bogo-Indian Defense: Retreat Variation is a chess opening classified as ECO E11, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2. It is a line of the Bogo-Indian Defense. Black is to move. 1 named line continues from this position.

This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.

Engine evaluation: 0.00 (Stockfish, depth 40; best line 10… Nh5 11. Be3 Nhf6 12. Ne5 Bb7 13. Ndf3)

ECO
E11
Moves
19 plies
FEN
r1bq1rk1/p2nbppp/1pp1pn2/3p4/2PP1B2/5NP1/PPQNPPBP/R4RK1 b - - 1 10
PGN
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2

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

Master games

29 over-the-board games are classified under this line (White 34%, draw 52%, Black 14%). The strongest:

Search all games of the Bogo-Indian Defense: Retreat Variation and its sub-variations

Comes from

Indian Defense: Anti-Nimzo-Indian 1. d4 Nf6 2. c4 e6 3. Nf3

Continuations

More Bogo-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.