1...
Kd7!
2.Qxa8
Qc4
3.f3
Bxf3!
4.gxf3
Nd4!
5.d3
Desparation, but the game cannot be saved. Even the best defence loses: 5.cxd4 Qxc1+ 6.Ke2 Qxh1 7.d5 Qxh2+ 8.Kd3 Qg1! 9.Qc6+ Kd8 etc.
5...
Qxd3
6.cxd4
Be7!
7.Qxh8
Bh4#
Rodzinsky - Alekhine (1913)