Garry Kasparov is an Russian Grandmaster born in 1963 and 12th World Champion. He learned the rules of chess when he was 5 years old. Quickly rising through the ranks he tied for first in the USSR Championship in 1981 and 1982.
Entering his first Candidates Tournament when he was 19, he beat Beliavsky, Korchnoi and Smyslov to challenge Anatoly Karpov for the World Championship.
Their first matched played under the rules first to 6 points with draws not counting was aborted after 48 games and a 5-3 lead for Karpov.
In the 1985 rematch Kasparov edged out Karpov 13-11 with a Black win in the 24th game.
In three rematches he defended his title narrowly with 12,5 to 11,5 and a 12 to 12 tie in which case he retained the title as the defending champion and another 12,5 to 11,5 in 1990.
He defended his title against Short and Anand to eventually lose it 2000 against his former pupil Vladimir Kramnik.
He is considerd one of the best Chess players of all times.
Jonathan Speelman is an English Grandmaster born in 1956. He won the British Chess Championship in 1978, 1985, 1986. He was ranked as high as 4th in 1989.
In an opposite castling situation Kasparov launches a very strong attack with a pawn and rook sacrifice.
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