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Individual Calculations September 2018 |
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| Boersma, Jan Total change: -6.20 | |   |
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| Dutch Open 2018 | Dieren | NED | 2018-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2058 | 3.00 | 9 | -0.31 | 20 | -6.20 | |
|  De Jong, Migchiel | m | | 2339 | NED | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Sparenberg, Erik | | | 2173 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | De Boer, Bas | | | 2139 | NED | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Bus, Tom | | | 2118 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Van Foreest, Machteld | | | 2141 | NED | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Van Helvoort, Rob | | | 2119 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Zwirs, Jasper | | | 2124 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Tromp, Pieter | | | 2097 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Vogel, Jaap | f | | 2187 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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