A $100,000 dollar clash of US stars Caruana, So, Dominguez and Nakamura on 26–29 May will test a new match scoring system devised by Maurice Ashley and called “Clutch Chess” has been announced by the St Louis Chess Club. Double points in games 5 and 6 and triple points in games 11 and 12 shall make sure that each match stays exciting for as long as possible. If Nakamura and So reach the quarterfinal at the first tournament of the Magnus Carlsen Tour they will end up playing double shifts on the same day. A larger international event, also sponsored by Rex Sinquefield, shall follow from 6 to 14 June.
- 26 – 29 May 2020: Clutch Chess