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Individual Calculations January 2020 |
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| Molosiwa, Laura Total change: -133.20 | |   |
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| 2019 African Youth Chess Championship (Under 12 Girls) | Windhoek | NAM | 2019-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1144 | 1313 | 0.50 | 3 | -1.67 | 40 | -66.80 | |
|  Beukes, Jamie-Nicole | | wc | 1121 | NAM | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Badenhorst, Chloe | | | 1206 | RSA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Govender, Keniesha | | | 1104 | RSA | 0.00 | 1 | -0.77 | 40 | -30.80 | |
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) | | | | 2019 Francistown Open- Ladies | Francistown | BOT | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1297 | 1313 | 1.00 | 5 | -1.66 | 40 | -66.40 | |
| | Bonno, Nthale | | | 1079 | BOT | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Rankwane, Onneetse | | | 1319 | BOT | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Besa, Masaiti | | wf | 1667 | BOT | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Badisang, Loago | | | 1289 | BOT | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Gosego, Moseja | | | 1133 | BOT | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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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