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Individual Calculations January 2020 |
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| Siek, Jerzy Total change: -8.60 | |   |
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| Otwarty Swiateczny Turniej Szachowy - Turniej A | Skarzysko-Kamienna | POL | 2019-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1452 | 2.00 | 5 | -0.43 | 20 | -8.60 | |
|  Opala, Natalia | | | 1094 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kedzierski, Aleksander | | | 1538 | POL | 0.00 | 1 | -0.38 | 20 | -7.60 | |  Nowak, Maciej | | | 1554 | POL | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Ciechonski, Piotr | | | 1754 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Herka, Jakub | | | 1349 | POL | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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) | | |
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