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Individual Calculations July 2009 |
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| Grekov, Igor Total change: 13.00 | |   |
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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 |
| 1985 | 2043 | 4.00 | 6 | 0.52 | 25 | 13.00 | |
|  Fokin, Anatoly | | | 1927 | RUS | 1.00 | 1 | 0.34 | 25 | 8.50 | |  Glazov, Anatoly | | | 1978 | RUS | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Golovenchits, Boris | | | 2004 | RUS | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Lisitsin, Boris | | | 1984 | RUS | 0.00 | 1 | -0.58 | 25 | -14.50 | | | Zefirov, Vadim | | | 2046 | RUS | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Vinogradov, Veniamin | | | 1971 | RUS | 0.50 | 1 | -0.10 | 25 | -2.50 | |
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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