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Individual Calculations January 2020 |
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| Bonno, Nthale Total change: 142.80 | |   |
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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 |
| 1364 | 1079 | 1.00 | 2 | 0.68 | 40 | 27.20 | |
|  Mosweu, Atlang Amolemo | | wc | 1352 | BOT | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Judith, Mothokatse | | | 1376 | BOT | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | 2019 Francistown Open- Ladies | Francistown | BOT | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1079 | 4.00 | 6 | 2.89 | 40 | 115.60 | |
| | Francis, Thapelo | | wf | 1479 * | BOT | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Molosiwa, Laura | | | 1313 | BOT | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Motlhware, Tshepang | | | 1294 | BOT | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Lorato, Dolly Thapelo | | | 1243 | BOT | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Besa, Masaiti | | wf | 1479 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Badisang, Loago | | | 1289 | BOT | 0.50 | 1 | 0.27 | 40 | 10.80 | | | * 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) | | |
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