Iceland has also produced many chess masters and hosted the historic World Chess Championship 1972 in Reykjavík during the height of the Cold War. , there have been nine Icelandic chess grandmasters, a considerable number given the small size of the population. Bridge is also popular, with Iceland participating in a number of international tournaments. Iceland won the world bridge championship (the Bermuda Bowl) in Yokohama, Japan, in 1991 and took second place (with Sweden) in Hamilton, Bermuda, in 1950.