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Individual Calculations January 2021 |
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| Poniewierski, Piotr Total change: -18.40 | |   |
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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 |
| 1921 | 1852 | 3.00 | 9 | -0.75 | 20 | -15.00 | |
|  Chomczyk, Marek | | | 2196 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Podgorski, Maciej | | | 1972 | POL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Niedbal, Piotr | | | 1893 | POL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Polak, Michal | | | 1883 | POL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Radecki, Wojciech | | | 1810 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Staniak, Mariusz | | | 1778 | POL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Tychulski, Krzysztof | | | 1761 | POL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Kaminski, Jan | | | 2018 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Celinski, Kamil | | | 1979 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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 |
| 1940 | 1852 | 2.50 | 7 | -0.17 | 20 | -3.40 | |
| | Choroszej, Aleksander | | | 2037 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Podgorski, Maciej | | | 1972 | POL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Polak, Michal | | | 1883 | POL | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Potocki, Karol | | | 1857 | POL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Derylo, Kamil | | | 1998 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Borowy, Cezary | | | 1939 | POL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Niedbal, Piotr | | | 1893 | POL | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | |
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