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Individual Calculations April 2020 |
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| Marape, Naledi Total change: 66.00 | |   |
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| 2020 BMI Lesotho Open Chess Championships Ladies Section | Maseru | LES | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1558 | 5.00 | 6 | 0.80 | 40 | 32.00 | |
|  Taioe, Reitumetse | | | 1181 | LES | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Macpheson, Naledi | | | 1309 | LES | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Leboela, Maboloko | | wc | 1269 | LES | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Banda, Natalie Katlo | | wc | 1367 | BOT | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Mwango, Lorita | | wf | 1945 | ZAM | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Likhomo , Malehloa | | | 1318 | LES | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | NATIONAL CLUBS CHESS CHAMPIONSHIP-2020 | GABORONE AFRICAN HOME | BOT | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1558 | 2.50 | 4 | -0.90 | 40 | -36.00 | |
| | Moshoboro, Laone Phoebe | | wc | 1158 * | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gorata, Mere | | | 1162 | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kaone, Mothako | | | 1270 | BOT | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Judith, Mothokatse | | | 1389 | BOT | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * 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 |
| 1687 | 1558 | 3.50 | 5 | 1.75 | 40 | 70.00 | |
| | Phole, Peo | | | 1406 | BOT | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Gabatshwarwe, Refilwe | | wc | 1709 | BOT | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Shaba, Linda | | | 1605 | ZIM | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Francis, Onkemetse | | wm | 1769 | BOT | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Mwango, Lorita | | wf | 1945 | ZAM | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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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