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Individual Calculations July 2009 |
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| Zefirov, Vadim Total change: -8.10 | |   |
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| St.Petersburg Seniors Chmp. 2009 SF | St.Petersburg | RUS | 2009-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2046 | 2.50 | 5 | -0.54 | 15 | -8.10 | |
|  Kozyrev, Vladislav | | | 1819 | RUS | 0.00 | 1 | -0.79 | 15 | -11.85 | |  Vinogradov, Veniamin | | | 1971 | RUS | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Grekov, Igor | | | 2043 | RUS | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Golovenchits, Boris | | | 2004 | RUS | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Lisitsin, Boris | | | 1984 | RUS | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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