Anatoly Karpov told that the medical mask can disturb chess players during game
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On Saturday Daniil Dubov technical defeat on tournament in Wijk aan Zee as it refused to play game in a mask about what it was asked by organizers because of a case of infection Koronavirus in it was included...
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Anatoly Karpov
13Last position: Vice-chairman (Committee State Duma of Federal Assembly of the Russian Federation for nationalities)
Даниил Дмитриевич Дубов
13Last position: The professional athlete on chess
Kartashov Andrey
Coronavirus
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