1.d5!exd5
Black has no choice - 1... Nxd5 2.Nxd5 exd5 3.Bxe7 loses a piece
2.Bxf6Bxf6
3.Nxe5Qd6
4.Nxf6+Qxf6
The pieces defending h7 have been exchanged and the Nc6 is undefended...
5.Qe41-0
Erglis-Krumkali (1950)