1...Kd7!
2.Qxa8Qc4
3.f3Bxf3!
4.gxf3Nd4!
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.cxd4Be7!
7.Qxh8Bh4#
Rodzinsky - Alekhine (1913)