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Individual Calculations May 2015 |
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| Vrtal, Vlastimil Total change: -63.00 | |   |
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| Prebor Prahy 2014/2015 - Preborova skupina | Praha | CZE | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 1962 | 1.00 | 4 | -1.12 | 20 | -22.40 | |
|  Salac, Jiri | | | 2117 | CZE | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Wadura, Robert | | | 1756 | CZE | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Katzer, Radovan | | | 1821 | CZE | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Dolezal, Martin | | | 2047 | 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) | | | | Prebor Prahy 2014/2015 - I. trida - skupina 11 | Praha | CZE | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1962 | 0.50 | 2 | -0.73 | 20 | -14.60 | |
| | Ursta, Lubomir | | | 1894 | CZE | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Cizek, Ondrej | | | 1857 | CZE | 0.50 | 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) | | | | Prebor Prahy 2014/2015 - I. trida - skupina 12 | Praha | CZE | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 1962 | 1.50 | 7 | -1.30 | 20 | -26.00 | |
|  Blumel, Otto | | | 2085 | CZE | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Urban, Zdenek | c | | 2148 | CZE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Cantier, Jean-Francois | | | 1948 | CZE | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Dolezal, Martin | | | 2047 | CZE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Sasinka, Jiri | | | 1929 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Hlavsa, Petr | | | 2105 | CZE | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Svitak, David | | | 2001 | CZE | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | |
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