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Individual Calculations November 2023 |
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| April, David Total change: 28.40 | |   |
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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 |
| 1397 | 1223 | 2.00 | 4 | 0.89 | 40 | 35.60 | |
|  Muller, Kaden | | | 1314 | RSA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Mnguni, Lucas | | | 1331 | RSA | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Mafongosi, Xhanti | | | 1481 | RSA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Modisaotsile, Botlhale | | | 1463 | 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 |
| 1481 | 1223 | 0.00 | 1 | -0.18 | 40 | -7.20 | |
| | Mafongosi, Xhanti | | | 1481 | RSA | 0.00 | 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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