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Individual Calculations November 2023 |
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| Booysen, Ray-Lanche Total change: 4.00 | |   |
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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 |
| 1441 | 1239 | 0.50 | 3 | -0.24 | 40 | -9.60 | |
|  Rishworth, Justin | | | 1358 | RSA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Mapungwana, Sikelela | | | 1484 | RSA | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Mafongosi, Xhanti | | | 1481 | 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 |
| 1122 | 1239 | 1.00 | 1 | 0.34 | 40 | 13.60 | |
| | Solomon, Simamkele | | | 1122 | RSA | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | |
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