Chess Board
[ECO code D31] Move Move Here
SEMI-SLAV DEFENCE
(towards) Panov Attack
White's pawn to K4(e4) freed his QB, challenging in the centre to invite an exchange usually accepted.
Black declines the K5(e4) exchange and develops his King's Bishop to QKt5(b4), pinning White's QKt to attack the now undefended KP and start a Caro-Kann / Nimzo-Indian switch. B-Alt.
	White   Black
 1.	P-Q4    P-Q4
 2.	P-QB4   P-K3
 3.	Kt-QB3  P-QB3
 4.	P-K4!?  B-Kt5
WHITE to Move or Undo or Jump or Clear
 
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