[ECO code A09]
The Keres Variation
Black develops his Queen's Bishop to K3(e6). A very rare move, played in Geller-Keres, USSR Spartakiab 1963. Black would be safer to return the gambit by normal development instead. B-Alt.
White Black 1. Kt-KB3 P-Q4 2. P-B4 PxP 3. P-K3 B-K3!?
Example ends: Undo or Jump or Clear