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Rapid:
Individual Calculations September 2021 |
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| Groma, Marta Total change: -20.40 | |   |
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| Olaine chess summer for children 2021 B | Olaine | LAT | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1015 | 1024 | 0.00 | 2 | -1.02 | 20 | -20.40 | |
|  Vitolina, Eliza Marisa | | | 903 | LAT | 0.00 | 1 | -0.66 | 20 | -13.20 | |  Gravere, Justine Elza | | | 1127 | LAT | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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