Chess Board
[ECO code E61]
KING'S INDIAN DEFENCE - Classical line
Smyslov Variation (alt. route)
Black set his QP on Q3(d6) to contest his K4(e5), and freed his QB for a potential ..B-KKt5 pin.
White develops his Queen's Bishop to KKt5(g5) half-pinning Black's KKt. W-Alt.
     White   Black
 1.  P-Q4    Kt-KB3
 2.  P-QB4   P-KKt3
 3.  Kt-QB3  B-Kt2
 4.  Kt-B3   P-Q3
 5.  B-KKt5	   Main 5W,4W route
Example ends: Undo or Jump or Clear