Ruud Janssen (chess player)

In January 1999, he competed in Group B of the Hoogovens Wijk aan Zee Chess Tournament 1999, where he defeated grandmaster Christian Bauer and held draws against grandmasters Rafael Leitão, John van der Wiel, and Michail Brodsky.^[2]

In January 2003, he finished in second place in the invitation tens group of the Corus Chess Tournament 2003. He defeated grandmaster Eric Lobron and held grandmaster Bu Xiangzhi to a draw.^[3]

In January 2004, he competed in Group C of the Corus Chess Tournament 2004, where he held future world champion Magnus Carlsen to a draw and defeated grandmaster Merab Gagunashvili.^[4]

In October 2021, he competed in the Dutch Chess Championship, but was knocked out by Hing Ting Lai.^[5]