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Individual Calculations January 2021 |
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| Derylo, Kamil Total change: -8.99 | |   |
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| Kolowka u Stefana Wronicza 2020 - IX edycja - grupa A | Warszawa | POL | 2020-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1998 | 3.50 | 6 | 0.32 | 31 | 9.92 | |
|  Polak, Michal | | | 1883 | POL | 1.00 | 1 | 0.34 | 31 | 10.54 | | | Radecki, Wojciech | | | 1810 | POL | 0.50 | 1 | -0.24 | 31 | -7.44 | |  Kaminski, Jan | | | 2018 | POL | 0.00 | 1 | -0.47 | 31 | -14.57 | | | Celinski, Kamil | | | 1979 | POL | 1.00 | 1 | 0.47 | 31 | 14.57 | | | Chomczyk, Marek | | | 2196 | POL | 0.00 | 1 | -0.24 | 31 | -7.44 | | | Podgorski, Maciej | | | 1972 | POL | 1.00 | 1 | 0.46 | 31 | 14.26 | |
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) | | | | 232nd YMCA Autumn 2020-A | Warszawa | POL | 2020-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1998 | 6.50 | 11 | -0.18 | 31 | -5.58 | |
| | Niedbal, Piotr | | | 1893 | POL | 1.00 | 1 | 0.36 | 31 | 11.16 | | | Liberadzki, Slawomir | | | 1947 | POL | 0.50 | 1 | -0.07 | 31 | -2.17 | | | Moskwinski, Marek | | | 1933 | POL | 1.00 | 1 | 0.41 | 31 | 12.71 | | | Choroszej, Aleksander | | | 2037 | POL | 1.00 | 1 | 0.55 | 31 | 17.05 | | | Poniewierski, Piotr | | | 1852 | POL | 1.00 | 1 | 0.30 | 31 | 9.30 | | | Polak, Michal | | | 1883 | POL | 0.50 | 1 | -0.16 | 31 | -4.96 | | | Potocki, Karol | | | 1857 | POL | 0.50 | 1 | -0.19 | 31 | -5.89 | | | Podgorski, Maciej | | | 1972 | POL | 0.00 | 1 | -0.54 | 31 | -16.74 | | | Liberadzki, Slawomir | | | 1947 | POL | 0.50 | 1 | -0.07 | 31 | -2.17 | | | Borowy, Cezary | | | 1939 | POL | 0.00 | 1 | -0.58 | 31 | -17.98 | | | Potocki, Karol | | | 1857 | POL | 0.50 | 1 | -0.19 | 31 | -5.89 | |
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) | | | | Turniej o Puchar Burmistrza Ursusa | Warszawa | POL | 2020-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1998 | 3.00 | 5 | -0.43 | 31 | -13.33 | |
| | Kwiecinski, Mariusz | | | 1598 * | POL | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Haliniak, Wojciech | | | 1764 | POL | 1.00 | 1 | 0.21 | 31 | 6.51 | | | Dalkowski, Rafal | | | 1806 | POL | 1.00 | 1 | 0.25 | 31 | 7.75 | | | Karwowski, Kacper | c | | 2239 | POL | 0.00 | 1 | -0.20 | 31 | -6.20 | | | Leszczynski, Bartosz | | | 1788 | POL | 0.00 | 1 | -0.77 | 31 | -23.87 | | | * 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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