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    vs.      
Patrick Biermann is tied in the series against Frank van Rijn, 1-1.

event round table player one result player two
Grand Prix Hanover 2009578Biermann, Patrick (1537)Won 2-1van Rijn, Frank (1459)
Grand Prix Amsterdam 20116682Biermann, Patrick (1581)Lost 0-2van Rijn, Frank (1558)