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Individual Calculations August 2022 |
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| Mathebula, Xolani Cebo Total change: 55.20 | |   |
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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 |
| 1895 | 1759 | 6.50 | 10 | 2.87 | 20 | 57.40 | |
|  Meyer, Pravin | | | 1359 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kobese, Watu | m | | 2311 | RSA | 0.50 | 1 | 0.47 | 20 | 9.40 | | | Khumalo, Keith | c | | 2113 | RSA | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Bhawoodien, Shabir Hussain | f | | 2028 | RSA | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Klaasen, Calvin John | f | | 2212 | RSA | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Chironda, Sean Kudzai | | | 1422 | RSA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Flores Bartoli, Andrew | c | | 1670 | RSA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | McInnes, Andrew | | | 1752 | RSA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Bouah, Lyndon | c | | 2052 | RSA | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Davies, Jason S. | | | 2026 | RSA | 1.00 | 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) | | | | 8th Piet van Zyl Chess Festival 2022 (A) | Bloemfontein | RSA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 1759 | 0.00 | 1 | -0.11 | 20 | -2.20 | |
| | Khumalo, Keith | c | | 2113 | RSA | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | |
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