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| Player: Alexander Presman Age: 54 Rating on 1-7-2018: 1450 Highest rating ever: 1552 Average rating all time: 1505 |  | |
| Date | Tournament | Opponent | Rat | Ga | Pt | R.diff. | N.perc | N.pts | |||
| sa 15-09-2018 | Dutch Teamcompetition KNDB | Ronald Sempel | 834 | 1 | - | 2 | 616 | 0.98 | 1.97 | ||
| sa 29-09-2018 | Dutch Teamcompetition KNDB | Luit Haan | 984 | 1 | - | 2 | 466 | 0.95 | 1.9 | ||
| sa 13-10-2018 | Dutch Teamcompetition KNDB | Jan Algra | 1298 | 1 | - | 2 | 152 | 0.7 | 1.41 | ||
| sa 27-10-2018 | Dutch Teamcompetition KNDB | Erik Brunsman | 1265 | 1 | - | 2 | 185 | 0.74 | 1.48 | ||
| sa 10-11-2018 | Dutch Teamcompetition KNDB | Gep Leeflang | 1290 | 1 | - | 2 | 160 | 0.71 | 1.42 | ||
| sa 24-11-2018 | Dutch Teamcompetition KNDB | Tjipke Smedinga | 1211 | 1 | - | 1 | 239 | 0.8 | 1.6 | ||
| sa 08-12-2018 | Dutch Teamcompetition KNDB | Jo Weijman | 1162 | 1 | - | 1 | 288 | 0.84 | 1.69 | ||
| sa 05-01-2019 | Dutch Teamcompetition KNDB | Jakob Pronk | 1161 | 1 | - | 2 | 289 | 0.84 | 1.69 | ||
| sa 19-01-2019 | Dutch Teamcompetition KNDB | Cor de Jong | 1250 | 1 | - | 1 | 200 | 0.76 | 1.52 | ||
| sa 02-02-2019 | Dutch Teamcompetition KNDB | Theo Leoné | 1162 | 1 | - | 1 | 288 | 0.84 | 1.69 | ||
| sa 16-02-2019 | Dutch Teamcompetition KNDB | Henk Jonker | 1085 | 1 | - | 2 | 365 | 0.9 | 1.8 | ||
| Total: | 11 | - | 18 | 18.15 | |||||||
| Correctionfactor: | 5 | (408 g.) | |||||||||
| Calculation: | 18 | - | 18.15 x | 5= | -0.75 | ||||||
| Virtual rating: | 1449 | ||||||||||
| Aver.rating: | 1155 | Perc.: | 0.82 | Diff.: | 260 | ||||||
| TPR: | 1155 | + | 260 | 1415 | |||||||
| * official KNDB-rating can be not the same as virtual rating because of new iRp-check | |||||||||||