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Individual Calculations May 2023 |
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| Estrin, Mark Total change: -29.20 | |   |
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| St. Petersburg Seniors Championship 2023 | St. Petersburg | RUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 2050 | 5.00 | 9 | -1.46 | 20 | -29.20 | |
|  Nuritdinov, Nizomitdin | | | 1688 | RUS | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Oparina, Vera | | | 1650 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shushpanova, Nina | | wf | 1918 | RUS | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Isaev, Yuriy V | | | 2043 | RUS | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Penkov, Aleksey | | | 1527 | RUS | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Shalygin, Andrei | | | 2236 | RUS | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Grigoriev, Yury Z. | | | 1725 | RUS | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Monin, Nikolay | m | | 2149 | RUS | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Fokin, Anatoly | | | 1402 | RUS | 1.00 | 1 | 0.01 | 20 | 0.20 | | | * 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) | | |
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