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Individual Calculations September 2021 |
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| Brzezina, Piotr Total change: 31.20 | |   |
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| Festiwal Szachowy Szachy w Ustroniu lacza pokolenia - Grupa C | Ustron | POL | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1367 | 4.00 | 7 | 0.78 | 40 | 31.20 | |
|  Kostrzewski, Dawid | | | 1011 | POL | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Tsiapko, Andrii | | | 1558 | UKR | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Wojtas, Julia | | | 1489 | POL | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Marekwica, Dawid | | | 1051 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wiercigroch, Grzegorz | | | 1564 | POL | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Jendrowiak, Maciej | | | 1505 | POL | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Kubik, Rafal | | | 1504 | POL | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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