German entrepreneur Jan Henric Buettner was head of AOL Germany in the 1990s and a California venture capitalist in the early 2000s. In 2005, he decided to add castle owner to his résumé.

Hamburg entrepreneur Jan Henric Buettner only has one word: Mega! Buettner has been making a name for himself as a sponsor and investor in the chess scene for a good year now. He has invited the ...

On stage is a towering man, the owner of Weissenhaus. Jan Henric Buettner, lit by red lights against a dark curtain, grips the back of a large, transparent table. He tips hundreds of numbered ...

Five-time world champion and current World No. 1 Magnus Carlsen is set to play a unique vote chess match against the world in a Freestyle format.

The first week of February saw the chess world caught up in controversy as the Freestyle Chess Players Club failed to reach an agreement with FIDE over organising their own world championship ...

Meanwhile, the World No. 1 is also co-owner of the Freestyle Chess Grand Slam Tour along with Jan Henric Buettner. Also Read: Lei Tingjie gears up for Norway Chess after Blitz silver, World No. 4 ...

Sportscategory· February 4, 2025 Chess-Freestyle tour boss, Carlsen call for FIDE president's resignation Freestyle Chess Grand Slam tour boss Jan Henric Buettner and all-time great Magnus ...