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Individual Calculations September 2009 |
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| Gavrikov, Viktor Total change: 12.75 | |   |
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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 |
| 1933 | 1664 | 1.50 | 3 | 0.85 | 15 | 12.75 | |
|  Klyuev, Viktor | | | 2064 * | RUS | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Dushin, Nikolay | | | 2064 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Savrova, Lidia | | | 1672 | RUS | 1.00 | 1 | 0.51 | 15 | 7.65 | | | * 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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