Yamamoto says he will be one year older at the postponed Tokyo Games, but that there's more he can do to improve his skills, so an extra year will be to his advantage.
The rescheduled Tokyo 2020 Olympics will require sacrifices and compromises by all involved, IOC chief Thomas Bach said on Wednesday, before predicting the completion of "a lovely jigsaw puzzle and wonderful Olympic Games".
Four-time Olympic gold medalist in women's ice hockey, Hayley Wickenheiser, who had called on the IOC to postpone the Games, tweeted that she too was happy with the decision.
The IOC said the games would be held not later than summer of 2021 but they would still be called the 2020 Tokyo Olympics.
"New Zealand athletes were surveyed yesterday and told us they were ready to support this extremely tough decision", NZOC chief executive Kereyn Smith said.
"We are extremely proud of our athletes and celebrate their discipline, resilience and understanding of the decision". Those plans also would be changed now. "We are committed to playing our role in making "Tokyo 2020" next year a success".
The Tokyo Olympics, originally scheduled for July 24-Aug. The country has also obtained five slots in shotgun events.
With the Games moving back to next year, there is an increased likelihood that the world championships for athletics and swimming will switch from 2021 to 2022 in the knock-on effect.
The IOC and Japanese authorities will need to come to a swift agreement as to who should shoulder the additional costs arising from the postponement.
Therefore, it was agreed that the Olympic flame would stay in Japan.