Chess Board
[ECO code C43] Move Move Here
PETROFF DEFENCE - Steinitz Attack
(to) Symmetrical Variation (alt. route)
White's knight exchanged, capturing Black's KP and creating an open king's-file.
Black advances his Queen's Pawn to the centre to support his knight, and frees his QB. B-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-KB3
 3.	P-Q4	KtxP
 4.	KtxP	P-Q4
WHITE to Move or Undo or Jump or Clear
 
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