[ECO code A43]
The Schmid Variation
Black pushes his KKtPawn out to KKt3(g6), planning to fianchetto his KB so as to bring pressure via the long dark diagonal. German IGM Lothar Schmid was W.Ch. chief arbiter in 1972,'78,'86.
White Black 1. P-Q4 P-QB4 2. P-Q5 P-Q3 3. Kt-QB3 P-KKt3
Example ends: Undo or Jump or Clear