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Individual Calculations December 2021 |
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| Bontzorlos, Zafiris Total change: 4.40 | |   |
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| 2021 team cup of ESSTH-CHALK 1st stage | ESSTH-CHALK | GRE | 2021-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1075 | 1430 | 2.00 | 2 | 0.22 | 20 | 4.40 | |
|  Tsompanis, Charalampos Sviatoslav | | | 1063 | GRE | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Marinidis, Stavros | | | 1087 | GRE | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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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