Chess Board
[ECO code C43] Move Move Move Move Here Move Here Move Here
PETROFF'S DEFENCE
The Steinitz Attack
Black's KKt counterattacked White's KP to simplify the centre and avoid Scotch and Spanish lines.
White's lively Queen's Pawn advance doubles an attack on Black's KP and prevents 3..B-B4. Black usually takes the KP (leading to the Symmetrical line) or the QP, or transposes into Philidor's. W-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-KB3
 3.	P-Q4
BLACK to Move or Undo or Jump or Clear
 
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