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The Negative Double:

A takeout-like Double by responder, popularized by Alvin Roth and Tobias Stone in 1957 (then called the "Sputnik"). Like the Russian satellite, the Sputnik indicates the bid was "out of the world". The Negative Double is used over the opponents' overcall after partner's opening bid. Below is a comparison between the Takeout Double and the Negative Double.