(Alexander Aljechin - undefeated world champion). Alexander Alexandrovich Aljechin (Alekhine), 1892-1946, fourth world champion in 1927-1935 and 1937-1946. In the book is Aljechin's biography, about100 annotated games and game fragments, about 200 unannotated games and 24 combinations. Career record, bibliography. IM David Dejf Kanovsky is a strong Czech master and successful trainer, author of the books Ruznobarevni strelci v koncovce, Emanuel Lasker. Psycholog na trune, Wilhelm Steinitz. Prvni mistr sveta, Ucime se od mistru, 100+1 nejkrasnejsich studii and others.