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Individual Calculations July 2020 |
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| Ptacek, Lubos Total change: -8.60 | |   |
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| PDSS - Krajský prebor I 2019/2020 r10-11 | various | CZE | 2020-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2079 | 1.00 | 2 | -0.18 | 20 | -3.60 | |
|  Sykora, Josef | | | 2045 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | |  Brozka, Karel | | | 1983 | CZE | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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 D 2019/2020 r10-11 | various | CZE | 2020-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2079 | 1.00 | 2 | -0.25 | 20 | -5.00 | |
| | Brozka, Karel | | | 1983 | CZE | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Solil, Roman | | | 1988 | CZE | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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