High Quality Content by WIKIPEDIA articles! The 2011 Karuizawa International Curling Championship was held from January 26-30 at the SCAP Karuizawa Arena in Karuizawa, Japan. The bonspiel featured eight men`s and women`s teams (five foreign teams and three Japanese teams) playing in a round robin format. The top four teams of each gender played in a single-elimination round to determine the winners.