Chess Board
[ECO code B23] Move Move Here
SICILIAN TRANSPOSITION
CLOSE VAR. to ORTHODOX / 4KTS VAR.
White advances his Queen's Pawn to the centre attacking Black's QBP and freeing White's QB.
Black's QB4(c5) Pawn invariably removes White's QP (to stop a White P-K5 gaining space) and offers a P exchange to gain a 2-1 centre pawn majority.
	White   Black
 1.	P-K4    P-QB4
 2.	Kt-QB3  Kt-QB3
 3.	KKt-K2  Kt-B3
 4.	P-Q4    PxP
WHITE to Move or Undo or Jump or Clear
 
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