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Chess opening · ECO A00

Grob Opening

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1. g4

Grob Opening is catalogued under ECO code A00. It is reached after 1 move (1 half-move): 1. g4. After the last move it is Black to play. White opens with a less common first move. It is the defining line of the Grob Opening family, which has 20 catalogued lines in total. 6 deeper lines continue from here, listed below.

Position shown after the last move; Black to play.

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