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Individual Calculations December 2018 |
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| Zych, Marek Total change: -29.20 | |   |
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| IV DLS Okreg Walbrzyski 2018 Round 1-3 | Dolny Slask | POL | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2103 | 0.00 | 2 | -1.46 | 20 | -29.20 | |
|  Szydelko, Marcin | | | 1939 | POL | 0.00 | 1 | -0.72 | 20 | -14.40 | |  Mielczarek, Daniel | | | 1923 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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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