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Teunis (Ton) Sijbrands (born December 15, 1949 in Amsterdam) is a famous Dutch player of international draughts who became world champion in 1972. The next year, he successfully defended his title in a match against Andris Andreiko. In 1967, 1969, 1970, 1971, 1973 and 1988 he was the national Dutch champion. Sijbrands also has a weekly column about draughts in the Dutch national newspaper ''de Volkskrant'' and wrote several books about the game. He also made major achievements in playing blindfold simultaneous exhibitions of draughts. In 2002 he won 17 games and played 5 draws from a total 22 games, which equals a score of approximately 88%. On December 18, 2004 in the Dutch village Lutten Sijbrands improved the world record for blindfold simultaneous draughts. In this attempt that lasted 24 hours, he won 20 out of 24 games; the other 4 were draws, which equals a score of about 92%. At his next attempt, on October 5, 2007 at Tilburg University, he broke his own record again. This time he played 25 games, winning 21 and drawing 4. After losing the record to the compatriot Erno Prosman Sijbrands regained it in September 2009 when he played simultaneously 28 games, winning 18, drawing 7 and losing 3.〔(Sijbrands recovers simultaneous world record ), Radio Netherlands Worldwide, September 26, 2009〕 Prosman recovered the world record on July 7, 2012 in Gouda, Netherlands. He played 30 games, winning 17, losing 5 with 8 draws, a score of exactly 70%. Sijbrands regained the world record once more on December 19-21, 2014 in Hilversum, Netherlands. He played 32 games, winning 14, losing none with 18 draws. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ton Sijbrands」の詳細全文を読む スポンサード リンク
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