Isidore Weiss
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Isidore_Weiss_en_1895..png/170px-Isidore_Weiss_en_1895..png)
Isidore Weiss (1867 – June 12, 1936) was a Frenchman who won seven world championships for international draughts from 1899 to 1911, a record not surpassed until Alexei Chizhov 85 years later.
In international draughts, the Coup Weiss is a refinement of the Coup de l'Expresse named after him.