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Individual Calculations March 2024 |
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| Magagula, Raymond Total change: -38.60 | |   |
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| 2024 Piet Robbertse Open Chess Tournament (A) | Pretoria | RSA | 2024-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1634 | 2.00 | 4 | -0.61 | 20 | -12.20 | |
|  Rishworth, Justin | | | 1349 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Rautenbach, Helen Christine | | | 1256 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Mazibuko, Khanya | c | | 1993 | RSA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Tissot Van Patot, Anton | | | 1430 | RSA | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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) | | | | 2024 Blou Bul Open Chess Tournament (A) | Pretoria | RSA | 2024-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1634 | 1.50 | 4 | -1.32 | 20 | -26.40 | |
| | Bedesi, Tahil | c | | 1398 | RSA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Tissot Van Patot, Anton | | | 1430 | RSA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Chikwava, Ronald | | | 1370 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Moche, Johannes | | | 1678 | RSA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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