Iser Kuperman, sometimes spelled Koeperman, (April 21, 1922 - March 6, 2006) was an originally Ukrainian

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 player of international draughts

International draughts

International draughts is a board game, one of the variants of draughts. It is played on a 10×10 board with alternatingly dark and light squares, of which only the 50 dark ones are used. There are two players on opposite sides, with 20 pieces each, light for one player and dark for the other...

. He was born in Habne, today Poliske, Kiev Oblast

Kiev Oblast

Kyiv Oblast, sometimes written as Kiev Oblast is an oblast in central Ukraine.The administrative center of the oblast is the city of Kyiv , also being the capital of Ukraine...

, on April 21, 1922 and emigrated to the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 in 1978. He was world champion in 1958, 1959, 1961, 1963, 1965, 1967, and 1974.

After that he became a champion in pool checkers

Pool checkers

Pool checkers, also called "American pool checkers", is a variant of draughts, mainly played in the southeastern United States.-Basic rules:...

 and won in their "Top Master" division from 1984 to 1990. This led him to be referred to as "The Greatest Pool Checkers player of all time" by the Homan Square Pool Checkers & Chess Club of Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

.