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Individual Calculations September 2021 |
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| Arabkertsev, Stepan Total change: -19.60 | |   |
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| Seniors Championship Rostov-on-Don_2021 | Rostov-on-Don | RUS | 2021-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1923 | 1.00 | 3 | -0.98 | 20 | -19.60 | |
|  Repichev, Vladimir | | | 1523 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Khachaturian, Georgiy N. | f | | 1884 | RUS | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Bondarenko, Vladimir | | | 1916 | RUS | 0.00 | 1 | -0.51 | 20 | -10.20 | | | * 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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