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Individual Calculations August 2023 |
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| Kettenburg, Stefan, Dr. Total change: -5.20 | |   |
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| CZECH OPEN 2023 - A | Pardubice | CZE | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2035 | 0.50 | 3 | -0.26 | 20 | -5.20 | |
|  Seger, Ruediger | m | | 2263 | GER | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Redzisz, Michal | f | | 2269 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Aepfler, Christian | f | | 2149 | GER | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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