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Individual Calculations April 2020 |
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| Gabatshwarwe, Refilwe Total change: 43.60 | |   |
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| NATIONAL CLUBS CHESS CHAMPIONSHIP-2020 | GABORONE AFRICAN HOME | BOT | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1709 | 4.50 | 5 | -0.01 | 40 | -0.40 | |
|  Moseki, Karabo | | | 1309 * | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Moshoboro, Arona | | wc | 1309 * | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Manikonda, Naga Sai Hasitha | | wc | 1309 * | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Banda, Natalie Katlo | | wc | 1367 | BOT | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Judith, Mothokatse | | | 1389 | BOT | 0.50 | 1 | -0.37 | 40 | -14.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2020 North Botswana Chess Extravaganza- Ladies Section | Palapye | BOT | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1709 | 4.50 | 6 | 1.10 | 40 | 44.00 | |
| | Olefile, Ogomoditse | | | 1379 | BOT | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Tamuhla, Londani | | wf | 1592 | BOT | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Marape, Naledi | | wf | 1558 | BOT | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Masaiti, Besa | | wf | 1680 | BOT | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Mwango, Lorita | | wf | 1945 | ZAM | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Francis, Onkemetse | | wm | 1769 | BOT | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | |
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