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Individual Calculations May 2018 |
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| Vorsilka, Jiri Total change: -19.60 | |   |
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| Prebor Prahy 2017-2018 - I. trida - skupina 11 | Praha | CZE | 2018-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1601 | 0.50 | 4 | -0.23 | 20 | -4.60 | |
|  Koller, Martin | | | 1857 | CZE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Kubik, Jaroslav | | | 1801 | CZE | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Drahotsky, Lubos | | | 1882 | CZE | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Sykora, Petr | | | 1910 | CZE | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Easter Amateur Chess Open 2018 | Praha | CZE | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1608 | 1.00 | 5 | -0.75 | 20 | -15.00 | |
| | Melich, Jindrich | | | 2008 * | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Koper, Stefan | | | 1825 | CZE | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Loucan, Jan | | | 1515 | CZE | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Hiller, Wieland | | | 1953 | GER | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Polatel, Nur | | | 1454 | TUR | 0.50 | 1 | -0.21 | 20 | -4.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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