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Individual Calculations September 2021 |
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| Kosmadakis, Georgios Total change: 6.40 | |   |
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| 28th International Open Nikaia 2021 Honour to National Resistance - Group B | Nikaia | GRE | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1160 | 1029 | 1.00 | 2 | 0.32 | 20 | 6.40 | |
|  Rompaki, Maria | | | 1283 | GRE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Zavrakidis, Lazaros | | | 1036 | GRE | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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