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Individual Calculations July 2020 |
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| Vrtal, Vlastimil Total change: -11.60 | |   |
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| Prebor Prahy 2020 - 1. trida - skupina 12 | Praha | CZE | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1939 | 2.50 | 6 | -0.25 | 20 | -5.00 | |
|  Ryvova, Anna | | wf | 1838 | CZE | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Tyle, Vladimir | | | 1913 | CZE | 0.50 | 1 | -0.04 | 20 | -0.80 | |  Docekalova, Alexandra | | | 1931 | CZE | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Stojkovic, Andreja | | | 1918 | CRO | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Malek, Martin | | | 2065 | CZE | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hlavsa, Petr | | | 2178 | CZE | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | Prebor Prahy 2020 - Preborova skupina | Praha | CZE | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1939 | 1.50 | 4 | -0.33 | 20 | -6.60 | |
| | Plasek, Zdenek | | | 1934 | CZE | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Flek, Vladislav | | | 1906 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Kabelka, Ondrej | | | 2010 | CZE | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Benda, Ales | | | 2031 | 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) | | |
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