Nikolai Valuev vs. David Haye Nikolai Valuev vs. David Haye Nikolai Valuev vs. David Haye, billed as "David vs Goliath", was a professional boxing match contested on 7 November 2009 for the WBA heavyweight championship. After regaining the WBA title with a unanimous decision over fellow former Champion John Ruiz Nikolai Valuev had made one defence gaining a very controversial majority decision over Evander Holyfield, he agreed to "Champion in Recess" Ruslan Chagaev, who had given Valuev the only defeat of career. However their fight on 30 May 2009 in Helsinki, Finland at the Hartwall Arena, was cancelled when Chagaev was declared medically unfit after
Nikolay Sazhin unknown title was sanctioned by World Chessboxing Association (WCBA). In addition, the official website of WCBA showed that Nikolay Sazhin was sanctioned as the current world champion at double weight divisions of Light heavyweight and Heavyweight. Nikolay Sazhin Nikolay Sergeevich Sazhin (September 15, 1988, Krasnoyarsk, Russia, then USSR) is a former world champion of chess boxing. Sazhin has an Elo rating of 1911. Sazhin's overall record was at that point 49–13–0. His alias is "The Siberian Express" or "The Chairman"(Председатель). Sazhin was 19 when he won the title from Frank Stoldt in July 2008. He defended his title, which wasn't