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Player:  Rob Helwerda 
Age: 60
KNDB-rating on 1-7-2020: 1004
Highest KNDB-rating ever: 1081
Average KNDB-rating all time: 1050 
Virtual KNDB-rating : 998
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DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 03-10-2020  Dutch Teampcompetition KNDB  Lisa Scholtens  943 1-061 0.58 1.17
 Total:1-01.17
 Correctionfactor:5 (287 g.)
 Calculation:0-1.17 x5=-5.85
 Virtual rating: 998
 Aver.rating: 974 Perc.:0.25Diff.: -193
 TPR:
* TPR adjusted to new calculationrule
* official KNDB-rating can be not the same as virtual rating because of new iRp-check