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Individual Calculations May 2023 |
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| Hayes, Peter J. Total change: -3.80 | |   |
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| Reykjavik Open 2023 | Reykjavik | ISL | 2023-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2075 | 4.50 | 8 | -0.19 | 20 | -3.80 | |
|  Braun, Vitali | f | | 2356 | GER | 1.00 | 1 | 0.84 | 20 | 16.80 | |  Yankelevich, Lev | g | | 2459 | GER | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Eriksen, Leander | | | 1675 * | NOR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gaal, Zsoka | | wm | 2320 | HUN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Arian, Tomer | | | 1643 | ISR | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Kasims, Stefans | | | 1753 | GER | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Cuvelier, Annelies | | | 1875 | BEL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Arnalds, Stefan | | | 1873 | ISL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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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