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Individual Calculations February 2020 |
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| Kowalec, Maciej Total change: 3.60 | |   |
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| Otwarta Liga Mazowiecka 2019/2020 Round 3-8 | Masovian district | POL | 2020-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2101 | 1.50 | 2 | 0.18 | 20 | 3.60 | |
|  Niedbal, Piotr | | | 1914 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Krasiewicz, Robert | | | 2044 | POL | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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