The Castle

a8b7c6d5e4f3g2h1
Start
Petrosian, Tigran V — Gligoric, Svetozar Candidates Tournament · 1959.10.29 · 1-0
a8b7c6d5e4f3g2h1
Start
Spassky, Boris V — Petrosian, Tigran V World Championship 26th · 1966.04.25 · 0-1

White themselves are planning b3-b4 after proper preparation. Now after ... White will have ... , and on -

a8b7c6d5e4f3g2h1
Start
Smyslov, Vassily — Matanovic, Aleksandar Biel Interzonal · 1976.07.31 · 1-0
a8b7c6d5e4f3g2h1
Start
Вариант Староиндийской защиты