Nyorai kupfuurira kweiyi ndima - Iyi nzvimbo inobva kuMutambo 17 we 1978 World Championship pakati paViktor Korchnoi, anopikisa, uye World Champion, Anatoly Karpov. Karpov, achitamba Black, ari kutyisidzira mumwe wake ari pasi pake ne39...Rc1#. Korchnoi aigona kunge akadzivisa izvi nekufambisa g-pawn yake (asi kwete h-pawn nekuti 39.h3 kana h4 inotungamira ku39...Rc1+ 40.Kh2 Nf1+ 41.Kg1 Nfg3+ 42.Kh2 Rh1 #), ichipa nzvimbo yekutiza mambo wake. Muzvinetso zvakakomba zvenguva, Korchnoi akatamba ndokurega mushure me39...Nf3+ ne cheki yakamanikidzwa mushure me40. gxf3 Rg6+ 41. Kh1 Nf2# kana kuti 40.Kh1 Nf2#. Karpov akapfuurira kukunda mutambo uye gare gare akakunda Korchnoi zvakare muna 1981 mu "Massacre muMerano
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