Chess Board
[ECO code C24] Move Move Move Here Move Here
BISHOP'S OPENING - Berlin Def.
Paulsen Defence
White's KKt deployed to contest for his Q4(d4) and enable 0-0, and attacked (or threatened) Black's KP.
Black advances his Queen's Pawn to Q4(d5) forming a classical pawn centre, frees his QB and attacks White's light bishop and KP. B-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	B-B4	Kt-KB3
 3.	P-Q3	P-B3
 4.	Kt-KB3	P-Q4
WHITE to Move or Undo or Jump or Clear
 
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