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Individual Calculations September 2009 |
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| Kozyrev, Vladislav Total change: -11.40 | |   |
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| Summer on Petrograd Side 2009 open | St.Petersburg | RUS | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1804 | 0.50 | 5 | -0.76 | 15 | -11.40 | |
|  Osipov, Viktor | | | 2145 | RUS | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Voronenkov, Sergey | | | 1990 | RUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Mukha, Aleksey | | | 1939 | RUS | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Shushpanova, Nina | | wf | 1980 | RUS | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Frakin, Nikolay | | | 1965 | RUS | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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