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Individual Calculations December 2017 |
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| Zgarda, Jakub Total change: 3.60 | |   |
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| III Wielkopolska Liga Seniorów Round 1-3 | Wielkopolska | POL | 2017-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1789 | 1.00 | 3 | 0.18 | 20 | 3.60 | |
|  Kozlowski, Tomasz | | | 1893 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Banach, Szymon | | | 2005 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Michalski, Karol | | | 1990 | POL | 1.00 | 1 | 0.76 | 20 | 15.20 | |
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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