Mezue ahịrịokwu na-esonụ: Kasparov na Anatoly Karpov gbara egwuregwu iri na abụọ site na 21 ruo 24 Septemba 2009, na Valencia, Spain. O nwere egwuregwu ngwa ngwa (ma ọ bụ ọkara ngwa ngwa), nke Kasparov meriri 3<unk>1, na egwuregwu ọkụ asatọ, nke Kasparov meriri 6<unk>2, na-emeri egwuregwu ahụ na ngụkọta nsonaazụ 9<unk>3. Ihe omume ahụ mere kpọmkwem afọ 25 mgbe egwuregwu egwuregwu abụọ ahụ zutere na
Asọmpi Iko Mba Ụwa nke Chess 1984.