Description
Master Class Band 13 Tigran Petrosian gewichtet mathematician and philosopher – was it is no surprise mathematician and philosopher – was world champion for 27 years Chapter 4 – King Safety 251 Petrosian remained one of the best players in the world for a long time and took part in the fight for the world championship several times Tigran Petrosian became the 9th world chess champion in history after defeating defending champion Mikhail Botvinnik in a match in 1963
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