Individual Calculations September 2020 |
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Poniewierski, Piotr Total change: -9.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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228th YMCA Summer 2020-A | Warszawa | POL | 2020-06-26 |
Rc | Ro | w | n | change | K | K*chg | Game |
1867 | 1861 | 3.00 | 7 | -0.46 | 20 | -9.20 | |
| Moskwinski, Marek | | | 1943 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | | Matyszkiewicz, Wiktor | | | 1832 | POL | 1.00 | 1 | 0.46 | 20 | 9.20 | | Kasperkiewicz, Pawel | | | 1870 | POL | 0.00 | 1 | -0.49 | 20 | -9.80 | | Kalejta, Arkadiusz | | | 1784 | POL | 0.00 | 1 | -0.61 | 20 | -12.20 | | Celinski, Kamil | | | 1979 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | | Potocki, Karol | | | 1851 | POL | 1.00 | 1 | 0.49 | 20 | 9.80 | | Sloniewska, Alicja | | | 1807 | POL | 1.00 | 1 | 0.42 | 20 | 8.40 | | 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) | |
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