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Individual Calculations December 2017 |
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| Sergeeva, Natalia Total change: -8.80 | |   |
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| M.Chigorin Memorial 2017 | St. Petersburg | RUS | 2017-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1994 | 3.00 | 9 | -0.44 | 20 | -8.80 | |
|  Ofitserian, Boris | f | | 2394 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Aslanov, Umid | c | | 1594 * | AZE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Obgolts, Erik | f | | 2271 | RUS | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Ivlev, Aleksey | f | | 2296 | RUS | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Derli, Olga | | wm | 2162 | RUS | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Bykov, Oleg | | | 2333 | RUS | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Mustafayev, Nihad | | | 1788 | AZE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Marinskii, Yurii | | | 2238 | RUS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Don, Aleksandr | | | 1793 | RUS | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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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