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Individual Calculations August 2019 |
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| Grigoriants, Sergey Total change: -7.20 | |   |
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| CZECH OPEN 2019 - A - GM open | Pardubice | CZE | 2019-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2547 | 1.00 | 2 | -0.72 | 10 | -7.20 | |
|  Sikorova, Olga | | wg | 2235 | CZE | 0.50 | 1 | -0.36 | 10 | -3.60 | |  Lederman, Leon | m | | 2238 | ISR | 0.50 | 1 | -0.36 | 10 | -3.60 | |
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) | | |
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