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Individual Calculations January 2024 |
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| Mnyasta, Tezihano Total change: -55.20 | |   |
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| Africawide Chess Championship 2023 (Prestige) | Johannesburg | RSA | 2023-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1853 | 1.00 | 6 | -1.24 | 40 | -49.60 | |
|  Zwakala, Ntando | | | 1993 | RSA | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Bayani, Kuda | | | 1942 | BOT | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Mpya, Tshediso | | | 1813 | RSA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Mwale, Joseph | f | | 2051 | MAW | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mthunzi, Brighton | | | 2011 | RSA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Mailula, Matsobane | | | 1879 | RSA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | Kraaifontein Open 2023 (Championship) | Cape Town | RSA | 2023-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1853 | 3.00 | 5 | -0.14 | 40 | -5.60 | |
| | Macheka, Clayton | | | 1711 | RSA | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Joya, Imkhita | | | 1453 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Waguta, Brooklyn | | | 1503 * | RSA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Hempe, Lilitha | | | 1823 | RSA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Rogov, Matfey | c | | 2213 | RSA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | * 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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