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    vs.      
Przemyslaw Oberbek is tied in the series against Benjamin Petersdorf, 1-1.

event round table player one result player two
Grand Prix Prague 2017380Oberbek, Przemyslaw (1825)Lost 0-2Petersdorf, Benjamin (1688)
Grand Prix Warsaw 20176108Oberbek, Przemyslaw (1775)Won 2-1Petersdorf, Benjamin (1741)