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    vs.      
Pierre Sommen is tied in the series against Theophile Delavy, 1-1.

event round table player one result player two
Grand Prix London 20161386Sommen, Pierre (2116)Won 2-1Delavy, Theophile (1863)
Grand Prix Warsaw 201810343Sommen, Pierre (1928)Lost 1-2Delavy, Theophile (1928)