(8) Kaszparov - Karpov
Moscow variation Moscow, 1984
[Tibor K]

21...Rg2! It keeps the white king cut. [21...Tf3? 22.Rd2 Rf2 23.Th2+ Rg1 24.Th6=] 22.Rd1 g3 23.Tg6 [23.Re1 Rg1 24.Tg6 g2 25.Th6 Tf5 26.Re2 Te5+ 27.Rf3 Rf1 28.Tg6 Te6!-+ 29.Rf4 Txf6+ (29...g1D? 30.Txg1+ Rxg1 31.Rf5=) ] 23...Tf5 24.Re2 Te5+ 25.Rd3 Rf3 26.Rd4

  26...Th5!! [26...Tf5 27.Th6 g2 28.Tg6 This is the mutual zugzwang. This time white is to move. 28...Rf2 29.Re4=] 27.f7

27...Tf5 28.Tg7 g2 Subtle play brought white into zugzwang. 29.Rd3

29...Tf4-+ The final zugzwang. 0-1