Boris Spassky is a Russian Grandmaster and former World Champion, born in 1937. He is currently living in France. In his youth he won the World Junior Chess Championship. He won his first USSR Championship in 1961 and gained the right to challenge Tigran Petrosian in the 1966 World Championship match, which he lost narrowly. 3 years later he again had the chance to play Petrosian for the title and beat him 12,5 to 10,5.
He lost the title in widely publicized “match of the century” to Fischer.
Yasser Seirawan is an American Grandmaster born in 1960. He won 4 U.S. Championships and won the 1979 World Junior Chess Championship.
Spassy plays a very sharp game to clinch a win in just 23 moves.