Mikhail Ivanovich Chigorin (1850–1908), founder of the Russian chess school, was Russian chess champion from 1899 to 1906. He gained victories in international chess tournaments in New York (1889), Budapest (1896) and Vienna (1903). (M 42356) _ _.
Discovered on 3-10-1972 in Nauchnyj by Zhuravleva, L. V.