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Individual Calculations March 2021 |
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| Liberadzki, Slawomir Total change: 12.20 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2021 Round 1-3 | mazowieckie | POL | 2021-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1956 | 2.00 | 2 | 0.66 | 20 | 13.20 | |
|  Borkowski, Kamil | | | 2012 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Wrzodak, Jaroslaw | | | 1556 * | 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) | | | | Otwarta Liga Mazowiecka 2021 Round 3-6 | mazowieckie | POL | 2021-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1978 | 1.50 | 3 | -0.05 | 20 | -1.00 | |
| | Mickiewicz, Piotr | | | 2235 | POL | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Dalkowski, Rafal | | | 1945 | POL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Grzadka, Artur | | | 1714 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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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