Russia’s Evgeniia Chikunova shattered the 200m breaststroke world record with a time of two minutes 17.55 seconds on the final day of the Russian swimming championships in Kazan on Friday. The previous record of 2:18.95 was set by South Africa’s Tatjana Schoenmaker in the final of the Tokyo Olympics on July 30, 2021. Chikunova, then…