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Individual Calculations February 2020 |
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| Van Zyl-Rudd, Jack Total change: -37.80 | |   |
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| 43.Weihnachtsopen Meister | Zurich | SUI | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2290 | 3.00 | 6 | -0.81 | 20 | -16.20 | |
|  Barth, Can-Elian | | | 2023 | SUI | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Grover, Sahaj | g | | 2508 | IND | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Hugentobler, Patrick | f | | 2164 | SUI | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Brandis, Benjamin | | | 1985 | SUI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Spiric, Igor | f | | 2239 | SRB | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Paasikangas-Tella, Johanna | f | wm | 2168 | FIN | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 2019 South African Junior Team Championships (U18A) | Boksburg | RSA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 2315 | 3.50 | 5 | -1.08 | 20 | -21.60 | |
| | Essa, Naseem Ahmed | f | | 1957 | RSA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Nhamuave, Eleazar | | | 1915 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Modirwa, Ofentse | | | 1915 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Jager, Andreas | c | | 1915 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | George, Bernet | | | 1915 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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