Harmen Jonkman
Harmen Jonkman is a Dutch chess grandmaster. Chess careerIn January 2005, he finished in 6th place in the Corus Chess Tournament 2005. At the tournament, he managed to win against the higher-rated Manuel Bosboom.[1] In April 2016, he won the 9th OGD Rapid Chess Tournament, defeating Johan Quist due to better tiebreaks.[2] In August 2017, he was held to a draw by Vantika Agrawal at the Abu Dhabi Masters, who also scored her first WGM norm.[3] References
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