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Individual Calculations October 2018 |
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| Ndachipiwa, Kgomotso Total change: 16.60 | |   |
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| Sua Open International 2018 | Sua Town | BOT | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1611 | 1.00 | 3 | 0.64 | 20 | 12.80 | |
|  Muririma, Mugove | | | 1927 | ZIM | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Lesole, Pudungwane | | | 1911 | BOT | 1.00 | 1 | 0.85 | 20 | 17.00 | |  Sabure, Bojosi | | | 2011 * | BOT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | 2018 North Botswana Open Chess Extravaganza-ladies | Palapye | BOT | 2018-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1611 | 2.50 | 5 | 0.19 | 20 | 3.80 | |
| | Masaiti, Besa | | wf | 1777 | BOT | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Francis, Thapelo | | wf | 1577 | BOT | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Lepotokisi, Kenanao | | | 1299 | BOT | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Modongo, Boikhutso | | wm | 1710 | BOT | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Sabure, Tuduetso | | wg | 1794 | BOT | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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