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Individual Calculations September 2018 |
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| De Jong, Siegbert Total change: -1.00 | |   |
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| Dutch Open 2018 - Reserve A | Dieren | NED | 2018-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1905 | 1.50 | 4 | -0.05 | 20 | -1.00 | |
|  Schoonackers, Jeroen | | | 2048 | NED | 0.50 | 1 | 0.19 | 20 | 3.80 | |  Officier, Tom | | | 2007 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Dekker, Teus | | | 2026 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Belle, Erika | | wm | 1873 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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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