Petrosian is best remembered as the main proponent of prophylaxis- a technique that anticipates the possible threats of the opponent. In this game collection, you would see some moves that are "mysterious", moves that you would not even consider playing.
21. Re1 saves tempo for white and some little queen sidesteps. Petrosian vs G Kasparian, 1946 (E69) King's Indian, Fianchetto, Classical Main line, 52 moves, 1-0
Kibitzing
