[ECO code A07]
"Queen's Pawn" Variation
White advances his King's Pawn to K4(e4) in the centre. An immediate P exchange is likely on K4(e4), after which Kt-R4 may give White a slight advantage.
White Black White Black 1. Kt-KB3 P-Q4 6. P-B3! Kt-B4 2. P-KKt3 P-KKt3 7. QKt-Q2 P-Kt3 3. B-Kt2 B-Kt2 8. P-K4! 4. P-Q4 Kt-KR3 5. 0-0 0-0
Example ends: Undo or Jump or Clear