White develops his Queen to K2(e2) to
restore a defence of his K5(e5) pawn and a major exchange
of pieces now seems inevitable, after which White tends to have the freer
game.
White Black White Black
1. P-K4 Kt-KB3 6. B-Kt5 B-Q2
2. P-K5 Kt-Q4 7. Q-K2
3. Kt-QB3 KtxKt
4. QPxKt P-Q3
5. Kt-KB3 Kt-QB3