GM Artur Yusupov
Bio
GM Artur Jussupow is a Russian-born German grandmaster and three-time candidate for the world championship. (The English transliteration of his surname is Yusupov, while Jussupow is the German spelling.)
In the quarterfinal tiebreak of his last Candidates in 1991, Jussupow was responsible for one of the greatest rapid games ever played, a victory over GM Vassily Ivanchuk. It is a favorite of FM Mike Klein and widely considered one of the best chess games ever played at any time control. By move 33, Jussupow had sacrificed nearly everything except his queen, but he had a completely winning attack, and Ivanchuk resigned on move 40.
Jussupow was mentored by IM Mark Dvoretsky and wrote multiple popular and instructive books with him. He has trained many strong players, including GM Peter Svidler.