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Individual Calculations April 2021 |
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| Podgorski, Maciej Total change: 5.40 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2021 Round 4-7 | mazowieckie | POL | 2021-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1908 | 0.50 | 2 | -0.49 | 20 | -9.80 | |
|  Rzeszowski, Dominik | | | 1863 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | |  Sielicki, Tomasz | | | 1959 | POL | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Otwarta Liga Mazowiecka 2021 Round 7-10 | mazowieckie | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1904 | 2.00 | 3 | 0.76 | 20 | 15.20 | |
| | Zbrzeski, Piotr | | | 1836 | POL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Janeczko, Jakub | | | 1879 | POL | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Mickiewicz, Piotr | | | 2245 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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