Chess Board
[ECO code A56] Move Move Here
MODERN BENONI DEFENCE
Petrosyan System (aka. Czech Benoni)

Black advanced his KP to a central K4(e5), freeing his KB to support his QBP for passive play.
White develops his Queen's Knight, triples his QP defence and supports a likely P-K4 advance.
	White	Black
 1.	P-Q4	Kt-KB3
 2.	P-QB4	P-B4
 3.	P-Q5	P-K4
 4.	Kt-QB3

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