Caissa Codex
A00

Grob Opening: London Defense

Chess diagram: Grob Opening: London Defense after 2…Nc6

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

12,275 games: White 48.0% / Draw 4.4% / Black 47.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
9,7709,770
569569
379379
325325
239239
216216
138138
137137

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

−1.43 Black is better

Best play: 3. c4 h5 4. g5 Nge7 5. Nf3 d5 6. cxd5 Nxd5 7. Nc3 Be6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Grob Opening: London Defense (ECO A00, Flank Openings) is a variation of the Grob Opening, reached after 1. g4 e5 2. h3 Nc6 (2 moves).

In 12,275 rated Lichess games between players rated 1600 to 2500, White won 48.0%, Black 47.6% and 4.4% were drawn. White's most played move here is 3. Bg2, in 80% of those games.

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Other lines from the same position

Instead of 1…e5 2. h3 Nc6, the position after Grob Opening also goes on to:

Cite this page

Caissa Codex. “Grob Opening: London Defense (A00)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/grob-opening-london-defense

https://chesscodex.org/openings/grob-opening-london-defense