Oleg Dzyuban (1950-2022) 6 time champion of Kazakhstan, as well as the first trainer of Bibisara Assaubayeva www.instagram.com/p/Cl6EeZNt0bw/ #chess
#Chesspattern watcher, author of 3 practical books on pattern recognition(strategical, middlegame), IM & enjoying pretty much every aspect of the game of chess