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    vs.      
Nicolai Herzog is tied in the series against Frank Karsten, 1-1.

event round table player one result player two
Grand Prix Heidelberg 2002610Herzog, Nicolai (1789)Lost 0-2Karsten, Frank (1832)
Grand Prix Prague 20131012Herzog, Nicolai (1838)Won 2-1Karsten, Frank (1948)