Chess opening · ECO A00
Barnes Opening: Hammerschlag
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1. f3 e5 2. Kf2
Barnes Opening: Hammerschlag is catalogued under ECO code A00. It is reached after 2 moves (3 half-moves): 1. f3 e5 2. Kf2. After the last move it is Black to play. White opens with a less common first move. It is a named variation of the Barnes Opening, which has 6 catalogued lines in total.