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Player: 
 Alexander Presman 
Age:
 54
Rating on 1-7-2018: 
 1450
Highest rating ever:
 1552
Average rating all time:
 1505
     .
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 15-09-2018  Dutch Teamcompetition KNDB  Ronald Sempel  834 1-2616 0.98 1.97
sa 29-09-2018  Dutch Teamcompetition KNDB  Luit Haan  984 1-2466 0.95 1.9
sa 13-10-2018  Dutch Teamcompetition KNDB  Jan Algra  1298 1-2152 0.7 1.41
sa 27-10-2018  Dutch Teamcompetition KNDB  Erik Brunsman  1265 1-2185 0.74 1.48
sa 10-11-2018  Dutch Teamcompetition KNDB  Gep Leeflang  1290 1-2160 0.71 1.42
sa 24-11-2018  Dutch Teamcompetition KNDB  Tjipke Smedinga  1211 1-1239 0.8 1.6
sa 08-12-2018  Dutch Teamcompetition KNDB  Jo Weijman  1162 1-1288 0.84 1.69
sa 05-01-2019  Dutch Teamcompetition KNDB  Jakob Pronk  1161 1-2289 0.84 1.69
sa 19-01-2019  Dutch Teamcompetition KNDB  Cor de Jong  1250 1-1200 0.76 1.52
sa 02-02-2019  Dutch Teamcompetition KNDB  Theo LeonĂ©  1162 1-1288 0.84 1.69
sa 16-02-2019  Dutch Teamcompetition KNDB  Henk Jonker  1085 1-2365 0.9 1.8
 Total:11-1818.15
 Correctionfactor:5 (408 g.)
 Calculation:18-18.15 x5=-0.75
 Virtual rating: 1449
 Aver.rating: 1155 Perc.:0.82Diff.: 260
 TPR: 1155 +260 1415
* official KNDB-rating can be not the same as virtual rating because of new iRp-check