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Individual Calculations December 2021 |
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| Dodonov, Ivan Total change: 4.00 | |   |
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| M.Chigorin Memorial 2021 | St. Petersburg | RUS | 2021-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1597 | 3.50 | 9 | 0.20 | 20 | 4.00 | |
|  Tunik, Sergey | | | 1997 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Kuznetsova, Marina | | | 1996 | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Danilova, Vesta | | | 1252 | RUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Valiyev, Shahin | | | 1944 | AZE | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Kumargaliev, Marsel | | | 1997 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kaplan, Aleksey | | | 1358 | RUS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Piatrenka, Ivan | | | 1837 | BLR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Chernov, Lev | | | 1252 | RUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Al-Marzouqi, Abdulla M | c | | 1870 | UAE | 0.50 | 1 | 0.33 | 20 | 6.60 | | | * 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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