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Individual Calculations August 2022 |
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| Kedama, Sandiso Total change: -33.60 | |   |
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| 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1738 | 5.50 | 9 | -0.40 | 20 | -8.00 | |
|  Chironda, Sean Kudzai | | | 1422 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | |  De Villiers, Charles | f | | 2110 | RSA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Frank, Daniel | | | 1590 | RSA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Klaasen, Robyn Julian | | | 1609 | RSA | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Ohlson, Cecil | | | 1659 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Macheka, Clayton | | | 1618 | RSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Du Plessis, Anika | | wm | 1545 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Galleid, Stephen | | | 1571 | RSA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Selepe, Lwazi | | | 1480 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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 South African Open Chess Championships (U20) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1738 | 2.00 | 4 | -1.28 | 20 | -25.60 | |
| | Van Tonder, Wium | | | 1338 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Taute, Clayden | | | 1384 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Mnyasta, Tezihano | | | 1626 | RSA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Selepe, Lwazi | | | 1480 | RSA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | * 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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