Chess Board
[ECO code A09]
RETI OPENING
Wing Blumenfeld
White pushes his QPawn out to enable 8.QB-K3 as a counter to 7..Kt-Kt5 (ie. preventing 8..Q-B7++mate).
Black now advances his KPawn to the centre, freeing his KB for a possible ..B-QKt5 pin.
    White  Black	White  Black
 1. Kt-KB3 P-Q4	     6.	Kt-B3  Kt-B3
 2. P-B4   P-Q5	     7.	P-Q3   P-K4
 3. P-K3   Kt-QB3
 4. PxP    KtxP
 5. KtxKt  QxKt
Example ends: Undo or Jump or Clear