Chess Board
[ECO code D36] Move Move Move Here Move Here
QUEEN'S GAMBIT DECL. - Exchange Var.
Positional Line

Black's king's bishop developed to K2(e7), halved the KKt pin to keep K5(e4) control, and enabled ..0-0.
White develops his King's Knight early for bishop support (enabling P-K4) but risks an inability to take control of his QKt1-KR7 (b1-h7) diagonal. W-Alt.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6.	Q-B2   B-K2
 2. P-QB4  P-K3	     7.	Kt-B3
 3. Kt-QB3 Kt-KB3
 4. PxP	   PxP
 5. B-Kt5  P-B3    Alt. 7W,6W route

BLACK to Move or Undo or Jump or Clear
 
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