GM Igor A Zaitsev
Bio
Igor Zaitsev is a Russian grandmaster (1976), chess coach, analyst, and writer. The Zaitsev Variation in the Ruy Lopez bears his name. He won the Moscow championship in 1969 and took first place in Quito (1977), Dubna (1979), and Bucharest (1992).
He worked with GM Anatoly Karpov as a coach and analyst from 1978 to 1991, participating in seven World Chess Championships. Several of his ideas played by Karpov were awarded the "Novelty of the Year" prize by Chess Informant.