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Individual Calculations September 2021 |
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| Kokk, Karl Mattias Total change: -77.20 | |   |
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| KERES AMATEUR CLASSIC OPEN 2021 | Parnu | EST | 2021-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1518 | 3.00 | 4 | 0.45 | 40 | 18.00 | |
|  Maapalu, Ralf | | | 1118 * | EST | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bitkova, Elizavetta | | | 1387 | EST | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Dudakov, Andrei | | | 1193 | EST | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Medar, Marti | | | 1918 * | EST | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Estonian -U14 Youth Championships - 2021 | Tallinn | EST | 2021-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1200 | 1518 | 3.50 | 7 | -2.38 | 40 | -95.20 | |
| | Pomaznjov, Aleksei | | | 1172 | EST | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Lain, Sander | | | 1118 * | EST | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Snitsarenko, Igor | | | 1571 | EST | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Rodin, Robert | | | 1163 | EST | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Schneider, Uku | | | 1118 * | EST | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Kikkas, Daniel | | | 1118 * | EST | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Roots, Lem-Leonhard | | | 1140 | EST | 1.00 | 1 | 0.09 | 40 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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