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Individual Calculations December 2022 |
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| Jukes, Sam Total change: 6.80 | |   |
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| 2022 West Wales Open | Swansea | WLS | 2022-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1921 | 4.00 | 5 | 1.73 | 20 | 34.60 | |
|  Sipho, Donovan | | | 1640 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Golding, James | | | 2096 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Pleasants, Allan J | | | 1981 | WLS | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Van Kemenade, Rudy | | | 1940 | WLS | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Young, Alan | | | 2095 | WLS | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | | | 2022 Birmingham Open | Birmingham | ENG | 2022-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1921 | 1.50 | 5 | -1.39 | 20 | -27.80 | |
| | Chan, Sheng Liang Bernard | | | 1985 | MAS | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Shearsby, Jude | | | 1929 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Varley, Joe | | | 1855 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Mkpadi, C Michael | | | 1521 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pink, Joshua | | | 1938 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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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