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Player:  Bert Berkers 
Age: 45
KNDB-rating on 1-7-2020: 1190
Highest KNDB-rating ever: 1266
Average KNDB-rating all time: 1213 
Virtual KNDB-rating : 1189
     .
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 19-09-2020  Dutch Teampcompetition KNDB  Eric Conrad  1127 1-163 0.59 1.17
 Total:1-11.17
 Correctionfactor:5 (221 g.)
 Calculation:1-1.17 x5=-0.87
 Virtual rating: 1189
 Aver.rating: 1127 Perc.:0.5Diff.: 0
 TPR:
* official KNDB-rating can be not the same as virtual rating because of new iRp-check