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Individual Calculations March 2023 |
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| Choroszej, Aleksander Total change: 13.00 | |   |
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| 271st YMCA Winter 2023-A Round 4-7 | Warszawa | POL | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 2022 | 2.00 | 2 | 0.29 | 20 | 5.80 | |
|  Mazurek, Jerzy | | | 1720 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Szymkiewicz, Witold | | | 1718 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | Druzynowe Mistrzostwa Mazowsza 2023 Round 5-6 | woj. mazowieckie | POL | 2023-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2022 | 1.50 | 2 | 0.36 | 20 | 7.20 | |
|  Wesolek, Krzysztof | | | 1737 | POL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Lewandowski, Rafal | | | 2172 | POL | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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