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Individual Calculations May 2023 |
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| Oparina, Vera Total change: 16.00 | |   |
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| St. Petersburg Seniors Championship 2023 | St. Petersburg | RUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1379 | 2.50 | 8 | 0.80 | 20 | 16.00 | |
|  Malakhov, Vladimir P. | | | 1843 | RUS | 1.00 | 1 | 0.95 | 20 | 19.00 | |  Estrin, Mark | | | 2050 | RUS | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Malinicheva, Lidia | | wf | 1827 | RUS | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Grigoriev, Yury Z. | | | 1725 | RUS | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Ilyin, Vasiliy | | | 1667 | RUS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Biyachuev, Minkail | | | 1151 | RUS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Lutovinov, Alexander | | | 2055 | RUS | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Naryshkina, Irina | | | 1371 | RUS | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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