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Individual Calculations November 2023 |
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| Mafongosi, Xhanti Total change: 2.40 | |   |
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| Eastern Cape Provincial Chess Championship 2023 (Open) | Jeffreys Bay | RSA | 2023-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1481 | 2.00 | 3 | -0.12 | 40 | -4.80 | |
|  April, David | | | 1223 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Mapungwana, Sikelela | | | 1484 | RSA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Booysen, Ray-Lanche | | | 1239 | RSA | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Eastern Cape Provincial Teams Chess Championship 2023 (Open) | Jeffreys Bay | RSA | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1481 | 1.00 | 1 | 0.18 | 40 | 7.20 | |
| | April, David | | | 1223 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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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