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Individual Calculations January 2020 |
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| Banda, Natalie Katlo Total change: -63.20 | |   |
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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 |
| 1185 | 1406 | 3.00 | 6 | -1.61 | 40 | -64.40 | |
|  Randriamaharo, Mitia | | | 1175 | MAD | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Boshoma, Chisomo | | | 1367 | RSA | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Gibson, Amy Leigh | | | 1103 | RSA | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Govender, Keniesha | | | 1104 | RSA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Beukes, Jamie-Nicole | | wc | 1121 | NAM | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Strong, Davida | | | 1237 | RSA | 0.50 | 1 | -0.22 | 40 | -8.80 | |
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 |
| 1418 | 1406 | 2.50 | 5 | 0.03 | 40 | 1.20 | |
| | Lorato, Dolly Thapelo | | | 1243 | BOT | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Badisang, Loago | | | 1289 | BOT | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Besa, Masaiti | | wf | 1667 | BOT | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Modongo, Boikhutso | | wm | 1642 | BOT | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Lekoko, Rorisang | | | 1251 | BOT | 1.00 | 1 | 0.29 | 40 | 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) | | |
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