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Individual Calculations September 2020 |
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| Kowalski, Witold Total change: 38.40 | |   |
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| Mistrzostwa Mazowsza Juniorow 2020 - do lat 11 | Warszawa | POL | 2020-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1315 | 3.50 | 4 | 0.96 | 40 | 38.40 | |
|  Wrzodak, Wiktoria | | | 1077 | POL | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Dobosiewicz, Dawid | | | 1352 | POL | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Nocek, Dominik | | | 1315 | POL | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Seo, Ian | | | 1085 | POL | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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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