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Individual Calculations October 2018 |
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| Sethebe, Susan Total change: -15.20 | |   |
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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 |
| 1418 | 1479 | 2.50 | 5 | -0.38 | 40 | -15.20 | |
|  Otisitswe, Ruth | | | 1191 | BOT | 0.00 | 1 | -0.84 | 40 | -33.60 | |  Banda, Natalie | | wc | 1297 | BOT | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Modongo, Boikhutso | | wm | 1710 | BOT | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Francis, Thapelo | | wf | 1577 | BOT | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Moseki, Karabo | | | 1315 | BOT | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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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