Chess Board
[ECO code A43] Move Move Here
TRANSPOSITION
OLD BENONI to SICILIAN DEF. (Orthodox Var.)
White's Knight on KB3(f3) completes a pawn exchange, removing Black's doubled QP on Q4(d4).
Black develops his Queen's Knight to QB3(c6) threatening White's central knight and offering a second exchange.
	White	Black
 1.	P-Q4	P-QB4
 2.	K-KB3?!	PxP
 3.	KtxP	Kt-QB3
WHITE to Move or Undo or Jump or Clear
 
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