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Individual Calculations July 2021 |
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| Kowalczyk, Wojciech Total change: -11.20 | |   |
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| III Dolnoslaska Liga Szachowa 2020/2021 1, 4-11 | Dolny Slask | POL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1970 | 2.00 | 5 | -0.56 | 20 | -11.20 | |
|  Helaszek, Edward | | | 1963 | POL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Somyk, Marcin | | | 1813 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Rychlik, Piotr | | | 2017 | POL | 0.50 | 1 | 0.07 | 20 | 1.40 | |  Kowalczuk, Wojciech | | | 2019 | POL | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Kowalczuk, Mikolaj | | | 1982 | POL | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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