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Individual Calculations April 2021 |
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| Szpinda, Piotr Total change: -19.20 | |   |
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| III Dolnoslaska Liga Szachowa 2020/2021 r 1-3 | Dolny Slask | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1587 | 0.50 | 2 | -0.96 | 20 | -19.20 | |
|  Luniewska, Daria | | | 1410 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Perek, Oskar | | | 1414 | POL | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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