Ercole del Rio

Domenico Ercole del Rio (c. 1718 – c. 1802) was an Italian lawyer and author. He published an 110-page chess book in 1750 which was the basis of a work by Giambattista Lolli thirteen years later. He composed many chess problems. He was one of the Modenese Masters. He was known as "the Devil who could never be beaten".

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