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    vs.      
Jelger Wiegersma is tied in the series against Jorg Unfried, 1-1.

event round table player one result player two
Pro Tour Amsterdam 20101645Wiegersma, Jelger (1937)Won 2-0Unfried, Jorg (1693)
2011 World Championship1126Wiegersma, Jelger (2000)Lost 0-2Unfried, Jorg (1880)