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Individual Calculations March 2024 |
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| Ngubeni, Jackie Total change: 14.20 | |   |
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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 |
| 1509 | 1307 | 2.00 | 5 | 0.71 | 20 | 14.20 | |
|  Sathish, Abinavah | | | 1566 | RSA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Vorster, Stephanus | | | 1698 | RSA | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Makumbila, Blessing | | | 1353 | RSA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Tissot Van Patot, Anton | | | 1430 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Nel, Hayley | | | 1499 | RSA | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | |
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