Chess Board
[ECO code B07] Move Move Here
PIRC DEFENCE
The Byrne Variation

White develops his Queen's Bishop to KKt5(g5) to half-pin Black's KKt rather than continue by 4.Kt-B3 or the attacking 4.P-B4, but also plans to disrupt Black's fianchetto by Q-Q2,B-R6 forcing an exchange of dark-squared bishops. W-Alt.
	White	Black
 1.	P-K4	P-Q3
 2.	P-Q4	Kt-KB3
 3.	Kt-QB3	P-KKt3
 4.	B-KKt5

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