Alexander Sveshnikov is a prominent Russian chess player and trainer, born on March 20, 1940. He is best known for his contributions to chess theory, particularly the Sveshnikov Variation of the Sicilian Defense, which has become a popular choice among players at all levels. His innovative ideas and deep understanding of the game have influenced many modern chess strategies. In addition to his playing career, Sveshnikov has authored several books on chess, sharing his knowledge and insights with aspiring players. He has also served as a coach, helping to develop the skills of numerous young talents in the chess community.