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Individual Calculations June 2021 |
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| Kotkowska, Antonina Total change: -104.40 | |   |
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| Mistrzostwa Mazowsza Juniorow 2021 - do lat 13 | Warszawa | POL | 2021-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1112 | 1351 | 0.50 | 4 | -2.61 | 40 | -104.40 | |
|  Leszczewicz, Karol | | | 1334 | POL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Zydok, Ignacy | | | 1043 | POL | 0.00 | 1 | -0.86 | 40 | -34.40 | |  Laszczuk, Marcelina | | | 1057 | POL | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Wrzodak, Wiktoria | | | 1013 | POL | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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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