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Individual Calculations April 2021 |
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| Pajak, Jakub Total change: -5.00 | |   |
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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 |
| 1861 | 1939 | 1.00 | 2 | -0.19 | 20 | -3.80 | |
|  Derylo, Kamil | | | 1994 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Nowacka, Dorota | | | 1727 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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 |
| 1686 | 1936 | 1.50 | 2 | -0.06 | 20 | -1.20 | |
|  Grodecki, Filip | | | 1835 | POL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Borowski, Marek | | | 1536 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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