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Individual Calculations October 2018 |
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| Francis, Thapelo Total change: -20.20 | |   |
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| 2018 North Botswana Open Chess Extravaganza-ladies | Palapye | BOT | 2018-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1577 | 2.00 | 5 | -1.01 | 20 | -20.20 | |
|  Sabure, Tuduetso | | wg | 1794 | BOT | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Kgomotso, Ndachipiwa | | | 1611 | BOT | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Motlhware, Tshepang | | | 1261 | BOT | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Sethebe, Susan | | wc | 1479 | BOT | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Banda, Natalie | | wc | 1297 | BOT | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | |
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