ECO E11 · Bogo-Indian Defense

Bogo-Indian Defense: Wade-Smyslov Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5

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White to move. The arrow shows Stockfish’s best move.
Best move

5. a3+0.40

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Bogo-Indian Defense: Wade-Smyslov Variation (E11), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5, Stockfish 18 recommends 5. a3 for White. White is slightly better (+0.40).

Top engine moves

  1. +0.405. a3 Bxd2+ 6. Qxd2 O-O 7. e3 d5 8. Nc3 Nbd7 9. cxd5 exd5
  2. +0.325. e3 d5 6. a3 Be7 7. Nc3 O-O 8. Rc1 b6 9. cxd5 exd5
  3. +0.265. g3 d5 6. Bg2 dxc4 7. Qc2 Nc6 8. Qxc4 Qd5 9. Qd3 Qe4

Frequently asked questions

What is the best move in the Bogo-Indian Defense: Wade-Smyslov Variation?
After 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5, Stockfish 18 at depth 18 recommends 5. a3 for White, continuing Bxd2+ 6. Qxd2 O-O 7. e3 d5 8. Nc3 Nbd7 9. cxd5 exd5. White is slightly better (+0.40). The next best moves are 5. e3 (+0.32) and 5. g3 (+0.26).
Is the Bogo-Indian Defense: Wade-Smyslov Variation a good opening?
Stockfish rates the position at +0.40: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Bogo-Indian Defense: Wade-Smyslov Variation?
E11. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).