Chess Board
[ECO code D06] Do not scroll the screen..! Move Move Move Here
QUEEN'S GAMBIT - Irregular Defences
Rubinstein Defence
White's KKt supported his threatened rear QPawn and took control of KKt5(g5).
Black's QBPawn on QB4(c5) removes White's rear queen's pawn on Q5(d4), completing a first pawn exchange and offering the opportunity of another.
	White	Black
 1.	P-Q4	P-Q4
 2.	P-QB4	P-QB4
 3.	BPxP	Kt-KB3!
 4.	Kt-KB3	PxP
WHITE to Move or Undo or Jump or Clear
 
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Chess Board

WHITE moves to Q4 (d4) with:

Queen (d1) or Knight (f3) ?

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