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    vs.      
Humberto Patarca is tied in the series against Michal Lorenc, 1-1.

event round table player one result player two
Grand Prix Bologna 201611195Patarca, Humberto (1859)Won 2-1Lorenc, Michal (1843)
Grand Prix Warsaw 201710136Patarca, Humberto (1909)Lost 1-2Lorenc, Michal (1734)