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Individual Calculations March 2018 |
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| Petrak, Robert Total change: 13.40 | |   |
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| 1. divize JCSS 2017/2018 r8-9 | various | CZE | 2018-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1998 | 1.50 | 2 | 0.13 | 20 | 2.60 | |
|  Bican, Dominik | | | 1807 | CZE | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Novak, Jiri | | | 1909 | CZE | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | 2. liga A 2017/2018 r8-9 | various | CZE | 2018-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 1998 | 0.50 | 1 | 0.07 | 20 | 1.40 | |
| | Krajic, Karel | | | 2046 | CZE | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Krajska soutez SSS - skupina A 2017/2018 r8-9 | various | CZE | 2018-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1998 | 1.00 | 1 | 0.47 | 20 | 9.40 | |
| | Steiner, Juraj | | | 1979 | CZE | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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