Flank openings

Grob Opening

1.g4

The Grob Opening starts with 1.g4 and is catalogued under ECO A00, in the flank openings half of the book. The catalog indexes 20 lines inside it, grouped into 20 named variations.

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Current setup

Move ideas

  1. 1.g4

    Advances the g-pawn to gain kingside space and control new squares.

    Idea: Prepare a fianchetto or discourage the opponent’s expansion on that wing.

  2. 1…e5

    Advances to e5 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

  3. 2.h3

    Advances the h-pawn to gain kingside edge space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  4. 2…Nc6

    Develops the knight to c6, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

Book continuations

Waiting for Lichess game popularity.

0 moves
This is the end of the indexed line.

Named variations

Each line below is an indexed entry under Grob Opening. Open one to load it on the board and keep exploring from that position.

Openings from the same volume

ECO groups openings by the structures they lead to, so these families tend to share plans with the Grob Opening.