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Individual Calculations December 2017 |
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| Stap, Kees Total change: -10.80 | |   |
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| Dutch Team Competition 2017-2018 1A Round 3 | various | NED | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2123 | 0.00 | 1 | -0.63 | 20 | -12.60 | |
|  De Wit, Cor | | | 2025 | NED | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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) | | | | Dutch Team Competition 2017-2018 1A Round 4 | various | NED | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2123 | 0.50 | 1 | 0.09 | 20 | 1.80 | |
|  Keessen, Aldert-Jan | | | 2191 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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