WHITE.BLACK.
1.P to K 41.P to K 4
2.P to K B 42.P takes P
3.B to B 43.P to Q 4

Or 3. ... Q to R 5: ch., followed by 4. ... P to Q 4.

4.B takes P...

Not 4. P takes P, because of 5. ... Q to R 5: ch.; 6. K to B sq., B to Q 3; 7. Kt to K B 3, Q to R 4; 8. P to Q 4, Kt to K 2; 9. Kt to B 3, Castles, with the better game.

...4.Q to R 5: ch.
5.K to B sq.5.P to K Kt 4
6.Kt to K B 36.Q to R 4
7.P to K R 4...

Upon the same principle as in the other Gambits (or, indeed, as in every strong pawn position), viz., to attempt to break the force of the united pawns.

...7.B to Kt 2
Second Variation.

Reverting to the position after Black's 5th move, White has two other attacks here—viz., 6. Q to B 3, and 6. P to K Kt 3.