Chess Board
[ECO code C42] Move Move Here
PETROFF'S DEFENCE
Russian Three Knights Variation
White castles, ending a half-pin on his QKt+QP.
Black develops his Queen's Knight to QB3(c6), defends his KP, supports his dark bishop and takes control of White's Q4(d4) square.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-KB3
 3.	Kt-B3	B-Kt5
 4.	B-B4	0-0
 5.	0-0	Kt-B3
WHITE to Move or Undo or Jump or Clear
 
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