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Individual Calculations July 2020 |
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| Ptak, Pavel Total change: -36.20 | |   |
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| Prebor Prahy 2020 - 1. trida - skupina 11 | Praha | CZE | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 2047 | 2.50 | 6 | -1.28 | 20 | -25.60 | |
|  Marik, Miloslav | | | 1951 | CZE | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Stepanek, Svatopluk | | | 1850 | CZE | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Koper, Stefan | | | 1823 | CZE | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Tuma, Jakub | f | | 2195 | CZE | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Zemlicka, Vit | | | 1935 | CZE | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Sargsyan, Karen | | | 1918 | CZE | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | | | Prebor Prahy 2020 - 1. trida - skupina 12 | Praha | CZE | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2047 | 1.00 | 3 | -0.51 | 20 | -10.20 | |
| | Pachmann, Ales | | | 2284 | CZE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Petrak, Robert | | | 2021 | CZE | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Ryvova, Anna | | wf | 1838 | CZE | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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) | | | | 2. liga A 2019/2020 r10-11 | various | CZE | 2020-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2048 | 0.50 | 1 | -0.02 | 20 | -0.40 | |
| | Klima, Matej | | | 2035 | CZE | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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