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Individual Calculations March 2021 |
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| Podgorski, Maciej Total change: -4.00 | |   |
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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 |
| 2023 | 1907 | 1.00 | 3 | -0.02 | 20 | -0.40 | |
|  Wojtaszewski, Piotr | | | 2010 | POL | 1.00 | 1 | 0.64 | 20 | 12.80 | |  Chrzaszcz, Malvina | | | 2014 | POL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Choroszej, Aleksander | | | 2046 | POL | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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 |
| 1801 | 1908 | 1.00 | 2 | -0.18 | 20 | -3.60 | |
| | Borowski, Marek | | | 1508 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maciaga, Marcin | | | 2094 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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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