[ECO code C39]
Paulsen Defence
Black advances his Queen's Pawn to Q4(d5), frees his QB and doubles his centre Kt support [as 9..BxP, 10.P-B3..B-Kt2, 11.Kt-Q2! gives slight disadvantage].
White Black White Black 1. P-K4 P-K4 6. P-Q4 Kt-KB3 2. P-KB4 PxP 7. KtxKtP! KtxP 3. Kt-KB3 P-KKt4 8. BxP Q-K2! 4. P-KR4 P-Kt5 9. Q-K2 P-Q4 5. Kt-K5 B-Kt2
Example ends: Undo or Jump or Clear