Chess Board
[ECO code D30] Move Move Here
QUEEN'S GAMBIT
(to) Petrosian Variation
White's KKt doubled his QP support and controlled his KKt5(g5) but gave Black options for transposing.
Black develops his King's Bishop to a "closed" K2(e7) position, contesting for control of his KKt4(g5) and playing a waiting game. B-Alt.
	White	Black
 1.	P-Q4	P-Q4
 2.	P-QB4	P-K3
 3.	Kt-KB3	B-K2
WHITE to Move or Undo or Jump or Clear
 
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