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Individual Calculations December 2021 |
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| Koper, Stefan Total change: 5.00 | |   |
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| ST Open Memorial Josefa Mahrly 2021 | Praha | CZE | 2021-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1878 | 5.00 | 7 | 0.59 | 20 | 11.80 | |
|  Kosar, Milan | | | 1513 | CZE | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Pacovsky, Ota | | | 1758 | CZE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Hosticka, Frantisek | | | 2052 | CZE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Holub, Jan | | | 1839 | CZE | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Lavrincik, Pavel | | | 1744 | CZE | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Kalvach, Ladislav | | | 1726 | CZE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Konvalinka, Vladislav | | | 1768 | CZE | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | JSS - 1. divize 2021/2022 r2-4 | various | CZE | 2021-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1878 | 0.50 | 2 | -0.34 | 20 | -6.80 | |
| | Novak, Jiri | | | 1856 | CZE | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Meszaros, Ludek | | | 2019 | CZE | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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