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Individual Calculations January 2024 |
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| McPherson, Naleli Total change: -16.40 | |   |
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| Africawide Chess Championship 2023 (Open) | Johannesburg | RSA | 2023-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1325 | 1.00 | 3 | 0.35 | 20 | 7.00 | |
|  Sathish, Abinavah | | | 1619 | RSA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Lesole, Pudungwane | | | 1736 | BOT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kgaphola, Moloko | | | 1384 | RSA | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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) | | | | 2023 BMI Lesotho Open CC-Ladies' Section | Maseru | LES | 2023-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1325 | 1.00 | 4 | -1.17 | 20 | -23.40 | |
| | September, Mckenzie | | | 1262 | RSA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Sethabathaba, Boitumelo | | | 1233 | LES | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Ngatane, Lieketseng | | wf | 1448 | LES | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Taioe, Reitumetse | | | 1238 | LES | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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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