where puzzle_type is one of the following: Bullet, Blitz, Rapid, Classical, Correspondence, Chess960, King of the Hill, Three-check, Antichess, Atomic, Horde, Racing ...

He hinted at acrimony with Fide over Freestyle Chess, a chess960 event backed by German entrepreneur Jan Buettner. which he has been promoting and playing. “There was this whole thing where Fide ...

Defending champion Magnus Carlsen has caused a scandal at the World Rapid Chess Championship in New York over his choice of ...