Chess Board
[ECO code D30] Move Move Here
QUEEN'S GAMBIT
(to) Vienna Variation

White developed his QB to KKt5(g5), pinning Black's KKt to deter ..Kt-K5 and avoid Semi-Tarrasch / Nimzo-Indian lines.
Black develops his King's Bishop to QKt5(b4), checks White's king and enables castling. B-Alt.
	White	Black
 1.     P-Q4    P-Q4
 2.     P-QB4   P-K3
 3.     Kt-KB3  Kt-KB3
 4.     B-Kt5   B-Kt5 ch

WHITE to Move or Undo or Jump or Clear
 
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