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Individual Calculations March 2023 |
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| Pettersson, Alexander Total change: -12.80 | |   |
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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 |
| 1813 | 1839 | 1.50 | 4 | -0.64 | 20 | -12.80 | |
|  Polak, Michal | | | 1921 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Rylski, Tadeusz | | | 1824 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Safanowski, Tomasz | | | 1687 | POL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Sternik, Piotr | | | 1820 | POL | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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