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Individual Calculations May 2023 |
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| Fathallah, Joe Total change: 22.00 | |   |
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| 2023 Welsh Championship | Cardiff | WLS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1980 | 3.00 | 7 | 0.10 | 20 | 2.00 | |
|  Kozusek, Daniel | f | | 2331 | WLS | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Davis, Lee | | | 1906 | WLS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | McKenna, Joshua | | | 1688 | WLS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Bullen, Alex | c | | 2157 | WLS | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Toczek, Grzegorz | f | | 2260 | WLS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Kett, Tim | f | | 2090 | WLS | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Van Kemenade, Rudy | | | 1936 | WLS | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | OPEN CHESS MENORCA A | Ciudadela (Menorca) | ESP | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 1980 | 4.50 | 9 | 1.00 | 20 | 20.00 | |
| | Zhao, Yuanhe | m | | 2447 | CHN | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Borne, Niels | f | | 2212 | FRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Sureda Gonzalez, Miquel | | | 1791 | ESP | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Jojic, Oliver | | | 2235 | FRA | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Campins Machado, Francesc | | | 2176 | ESP | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Shundi, Matias | | | 2145 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ferenczi, Robert Frank | | | 1826 | ESP | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Smith, Steve | | | 1792 | WLS | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Halmeenmaki, Tuomo | | | 2114 | FIN | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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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