Chess Board
[ECO code D31] Move Move Move Here Move Here
The Petrosian Variation

White's QKt supported a planned eventual P-K4.
Black foregoes Orthodox, Tarrasch or Semi-Slav lines, developing his King's Bishop to a "closed" K2(e7) early so as to control KKt4(g5). Played three times by Soviet player Tigran Petrosian (World Champion 1963-9) in his 1963 W.Ch.match. B-Alt.
	White	Black
 1.	P-Q4	P-Q4
 2.	P-QB4	P-K3
 3.	Kt-QB3	B-K2

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