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Player:  Jan Bergmans 
Age: 79
KNDB-rating on 1-7-2020: 732
Highest KNDB-rating ever: 838
Average KNDB-rating all time: 767 
Virtual KNDB-rating : 739
     .
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 19-09-2020  Dutch Teampcompetition KNDB  Herman Lamberts  853 1-2-121 0.34 0.67
 Total:1-20.67
 Correctionfactor:5 (259 g.)
 Calculation:2-0.67 x5=6.64
 Virtual rating: 739
 Aver.rating: 793 Perc.:0.75Diff.: 193
 TPR:
* TPR adjusted to new calculationrule
* official KNDB-rating can be not the same as virtual rating because of new iRp-check