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Individual Calculations May 2023 |
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| Zakharov, Yuri Total change: 44.00 | |   |
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| Spring on Petrograd Side 2023 | St. Petersburg | RUS | 2023-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1351 | 2.00 | 6 | 0.22 | 20 | 4.40 | |
|  Sidorov, Dmitry I | | | 2017 | RUS | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Igumnov, Nikita | | | 1552 | RUS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Sevostyanov, Dmitry | | | 1260 | RUS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Simkin, Alexander | | | 1352 | RUS | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Klobukov, Sergey | | | 1578 | RUS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Kovtun, Tatyana | | | 1594 | RUS | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | St. Petersburg Seniors Championship 2023 | St. Petersburg | RUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1351 | 3.00 | 8 | 1.98 | 20 | 39.60 | |
| | Mironovich, Mark | | | 1832 | RUS | 0.50 | 1 | 0.45 | 20 | 9.00 | | | Penkov, Aleksey | | | 1527 | RUS | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Malakhov, Vladimir P. | | | 1843 | RUS | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Naryshkina, Irina | | | 1371 | RUS | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Nuritdinov, Nizomitdin | | | 1688 | RUS | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Kostyuchenko, Vladimir | | | 2124 | RUS | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Berezhkov, Vyacheslav | | | 1853 | RUS | 0.50 | 1 | 0.46 | 20 | 9.20 | | | Suvorov, Aleksandr | | | 1877 | RUS | 0.00 | 1 | -0.03 | 20 | -0.60 | |
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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