ECO A48 · London System, with Bd3

London System, with Bd3

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3

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

5… c5−0.06

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the London System, with Bd3 (A48), reached after 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3, Stockfish 18 recommends 5… c5 for Black. The position is roughly equal (−0.06).

Top engine moves

  1. −0.065… c5 6. O-O Nc6 7. c3 O-O 8. h3 Re8 9. Be2 cxd4 10. cxd4
  2. −0.025… O-O 6. O-O c5 7. c3 Nc6 8. h3 Re8 9. Be2 cxd4 10. exd4
  3. −0.015… Nh5 6. Bg5 c5 7. O-O Nc6 8. c3 h6 9. Bh4 g5 10. Bg3

All London System, with Bd3 variations (0)

    Frequently asked questions

    What is the best move in the London System, with Bd3?
    After 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3, Stockfish 18 at depth 18 recommends 5… c5 for Black, continuing 6. O-O Nc6 7. c3 O-O 8. h3 Re8 9. Be2 cxd4 10. cxd4. The position is roughly equal (−0.06). The next best moves are 5… O-O (−0.02) and 5… Nh5 (−0.01).
    Is the London System, with Bd3 a good opening?
    Stockfish rates the position at −0.06: the position is roughly equal. 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 London System, with Bd3?
    A48. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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