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Individual Calculations September 2009 |
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| Drobyshev, Sergey Total change: -9.15 | |   |
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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 |
| 1961 | 1654 | 0.00 | 4 | -0.61 | 15 | -9.15 | |
|  Alekseenko, Kirill | f | | 2054 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Khatenever, Feliks | | | 1941 | RUS | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kondratiev, Denis | | | 2017 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Pleshkov, Andrey | | | 1833 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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