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Player:  Andrew Tjon A Ong 
Age: 58
KNDB-rating on 1-7-2020: 1325
Highest KNDB-rating ever: 1372
Average KNDB-rating all time: 1312 
Virtual KNDB-rating : 0

FMJD-rating: 2194
Highest FMJD-rating ever: 2236
Average FMJD-rating all time: 2181

(Graphics FMJD-rating in period
KNDB-rating)
     .
     .
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
mo 10-08-2020  Hoogeveen Open DDB  Janick Lanting  877 1-2448 0.94 1.88
 Total:1-21.88
 Correctionfactor:5 (2028 g.)
 Calculation:2-1.88 x5=0.58
 Virtual rating: 1326
 Aver.rating: 1101 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