Tokyo 2020 OlympicsFrom judo to soccer, big data wins at Tokyo Games
Coaches and athletes find that knowledge is power in race for gold
Japanese judoka Chizuru Arai, right, takes on Madina Taimazova of the Russian Olympic Committee in the semifinals in Tokyo on July 28. © Reuters
TAKASHI NISHIHORI and HIDETO MOTOIKE, Nikkei staff writers
TOKYO -- When double world champion judoka Chizuru Arai on Wednesday bested her Austrian opponent Michaela Polleres in a blistering final for the women's 70 kg category, Japan won its sixth gold medal in the martial art for the Tokyo Games, putting it just two short of its record haul tallied in Athens in 2004.