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Player:  Gerrit IJssel Sr.  Age: 80
KNDB-rating on 1-7-2023: 0
Highest KNDB-rating ever: 970
Average KNDB-rating all time: 949 
Virtual KNDB-rating : 0 Toernooibase Dammen

Strongest win in last 10 years by
Gerrit IJssel Sr. (937):
13-10-2016 Cock van Wijk (1260)
(Provincial Clubcompetition Utrecht)
Toernooibase Dammen Weakest loss in last 10 years by
Gerrit IJssel Sr. (947):
19-11-2015 Cor Vonk (806)
(Provincial Teamcompetition Utrecht)
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
 Correctionfactor:7.5 ( g.)
 Virtual rating:
 Aver.rating: 0 Perc.:0.5Diff.: 0
 TPR: