[ECO code C44]
The Relfsson Gambit
White leaves the Scotch Game main line (ie. 4.KtxP) with a rarer move, developing his King's Bishop to QKt5(b5) to pin Black's QKt prior to playing a gambit (the advance of his QBP). W-Alt.
White Black 1. P-K4 P-K4 2. Kt-KB3 Kt-QB3 3. P-Q4 PxP 4. B-QKt5
Example ends: Undo or Jump or Clear