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Individual Calculations July 2009 |
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| Kosak, Marjan Total change: 0.25 | |   |
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| II. Kostroj Open 2009 | Slovenske Konjice | SLO | 2009-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1804 | 1.00 | 5 | 0.01 | 25 | 0.25 | |
|  Jeran, Bostjan | | | 2154 | SLO | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Marguc, Franc | | | 1966 | SLO | 0.50 | 1 | 0.21 | 25 | 5.25 | |  Cojhter, Karl | | | 2098 | SLO | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Gorsek, Gregor | | | 2027 | SLO | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Florjancic, Rudolf | | | 2025 | SLO | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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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