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Individual Calculations August 2021 |
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| Polak, Michal Total change: -38.60 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 1967 | 4.00 | 9 | 0.47 | 20 | 9.40 | |
|  Kowalski, Igor | f | | 2349 | POL | 0.50 | 1 | 0.41 | 20 | 8.20 | |  Bebel, Arkadiusz | f | | 2306 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Czarnecka, Lidia | | | 1822 | POL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Kupryjaniuk, Tomasz | | | 1809 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Goluch, Piotr | m | | 2333 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Topola, Rafal | | | 1957 | POL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Adamski, Adam | | | 1722 | POL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Grzesik, Gracjan | | | 2063 | POL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Karpus, Michal | f | | 2271 | POL | 0.00 | 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) | | | | Warsaw Chess Open - B | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1967 | 3.50 | 8 | -2.40 | 20 | -48.00 | |
| | Pieczulis, Blazej | | | 1668 | POL | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Rog, Mateusz | | | 1567 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hurta, Miroslav | | | 1664 | CZE | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Palka, Dominika | | | 1736 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Kowalczyk, Adam | | | 1911 | POL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Radecki, Wojciech | | | 1866 | POL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Michalska, Aleksandra | | | 1801 | POL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Bartkiewicz, Pawel | | | 1941 | POL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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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