| HOME | | LAST IN DATABASE | | RATINGS | | TOURNAMENTS | | NEWS | | GAMES | | POSITIONS | | LINKS | |
| Player: Jan Ekke de Vries Age: 46 Rating on 1-7-2018: 1370 Highest rating ever: 1390 Average rating all time: 1315 |  | |
| Date | Tournament | Opponent | Rat | Ga | Pt | R.diff. | N.perc | N.pts | |||
| we 06-06-2018 | Provinciaal Kampioenschap DDB | Wim Koopman | 1059 | 1 | - | 2 | 311 | 0.86 | 1.72 | ||
| we 20-06-2018 | Provinciaal Kampioenschap DDB | Henk Pruim | 917 | 1 | - | 2 | 453 | 0.94 | 1.89 | ||
| we 04-07-2018 | Provinciaal Kampioenschap DDB | Zainal Palmans | 1366 | 1 | - | 0 | 4 | 0.51 | 1.01 | ||
| mo 10-09-2018 | Provinciaal Kampioenschap DDB | Geert Kleine | 867 | 1 | - | 2 | 503 | 0.96 | 1.92 | ||
| we 12-09-2018 | Provinciaal Kampioenschap DDB | Hans van der Laan | 1087 | 1 | - | 2 | 283 | 0.84 | 1.68 | ||
| sa 15-09-2018 | Dutch Teamcompetition KNDB | Kerst Hoekstra | 1076 | 1 | - | 2 | 294 | 0.85 | 1.7 | ||
| we 19-09-2018 | Provinciaal Kampioenschap DDB | Nick Waterink | 1244 | 1 | - | 0 | 126 | 0.67 | 1.34 | ||
| sa 29-09-2018 | Dutch Teamcompetition KNDB | Martijn van IJzendoorn | 1534 | 1 | - | 1 | -164 | 0.28 | 0.57 | ||
| sa 13-10-2018 | Dutch Teamcompetition KNDB | Ton Keijzer | 1011 | 1 | - | 2 | 359 | 0.9 | 1.79 | ||
| sa 27-10-2018 | Dutch Teamcompetition KNDB | Fred Elgersma | 1155 | 1 | - | 2 | 215 | 0.77 | 1.55 | ||
| sa 10-11-2018 | Dutch Teamcompetition KNDB | Johan Krajenbrink | 1489 | 1 | - | 1 | -119 | 0.34 | 0.68 | ||
| th 22-11-2018 | Prov. competition DDB/PGD DDB | Hans van Gijssel | 842 | 1 | - | 2 | 528 | 0.97 | 1.93 | ||
| sa 24-11-2018 | Dutch Teamcompetition KNDB | Erik Beugels | 850 | 1 | - | 2 | 520 | 0.97 | 1.93 | ||
| sa 08-12-2018 | Dutch Teamcompetition KNDB | Martijn Vissers | 1369 | 1 | - | 1 | 1 | 0.5 | 1 | ||
| mo 17-12-2018 | Prov. competition DDB/PGD DDB | Maarten Wichgers | 1217 | 1 | - | 1 | 153 | 0.7 | 1.41 | ||
| sa 19-01-2019 | Dutch Teamcompetition KNDB | Daniël Boxum | 747 | 1 | - | 2 | 623 | 0.98 | 1.97 | ||
| tu 22-01-2019 | Prov. competition DDB/PGD DDB | Wim Koopman | 1059 | 1 | - | 2 | 311 | 0.86 | 1.72 | ||
| sa 26-01-2019 | Dutch Teamcompetition KNDB | Jaap Huizinga | 1057 | 1 | - | 2 | 313 | 0.86 | 1.73 | ||
| sa 02-02-2019 | Dutch Teamcompetition KNDB | Han Braakhuis | 957 | 1 | - | 1 | 413 | 0.93 | 1.85 | ||
| sa 16-02-2019 | Dutch Teamcompetition KNDB | Meinze Feenstra | 1021 | 1 | - | 1 | 349 | 0.89 | 1.78 | ||
| tu 26-02-2019 | Prov. competition DDB/PGD DDB | Alberto Waterink | 831 | 1 | - | 2 | 539 | 0.97 | 1.94 | ||
| Total: | 21 | - | 32 | 33.11 | |||||||
| Correctionfactor: | 5 | (639 g.) | |||||||||
| Calculation: | 32 | - | 33.11 x | 5= | -5.53 | ||||||
| Virtual rating: | 1364 | ||||||||||
| Aver.rating: | 1084 | Perc.: | 0.76 | Diff.: | 204 | ||||||
| TPR: | 1084 | + | 204 | 1288 | |||||||
| * official KNDB-rating can be not the same as virtual rating because of new iRp-check | |||||||||||