A00

Global Opening

1 named line in this family, ECO A00. Under each line you get its moves and the sentences it adds that this page has not already printed. A line's own page carries up to its first 4 per-move notes in full.

Main lineA00

1. h3 e5 2. a3

In the centre, Black holds e5.

1. h3 A useful waiting move that keeps the structure flexible on the h-file. Theory calls this the Clemenz Opening.
1... e5 Stakes a claim in the centre, controlling d4, and frees the bishop and queen.
2. a3 Takes b4 away from Black's bishop. Theory calls this the Global Opening.

Walk these lines on a board

An account opens every move's note in this family, the plan behind each line, and a trainer that plays the line back at you. It is free.

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