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Individual Calculations January 2020 |
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| Lekoko, Rorisang Total change: -8.40 | |   |
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| 2019 BOTSWANA GAMES TEAMS CHESS CHAMPIONSHIP-LADIES | GABORONE-UB | BOT | 2019-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1251 | 1.00 | 1 | 0.58 | 40 | 23.20 | |
|  Mhate, Lame | | | 1310 | BOT | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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) | | | | 2019 Francistown Open- Ladies | Francistown | BOT | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1251 | 0.50 | 4 | -0.79 | 40 | -31.60 | |
|  Patience, Mosetlheng | | | 1252 | BOT | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Modongo, Boikhutso | | wm | 1642 | BOT | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Rankwane, Onneetse | | | 1319 | BOT | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Banda, Natalie Katlo | | wc | 1406 | BOT | 0.00 | 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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