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Individual Calculations November 2017 |
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| Ndachipiwa, Kgomotso Total change: -3.80 | |   |
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| 2017 Debtswana Development Botswana Open Chess Championship-ladies | Gaborone | BOT | 2017-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1605 | 3.00 | 5 | 0.63 | 20 | 12.60 | |
|  Mwango , Lorita | | wf | 1970 | ZAM | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Mbo, Mabedi | | | 1522 | BOT | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Radikoro, Boitumelo | | | 1596 | BOT | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Botlhole, Kgalalelo | | wm | 1702 | BOT | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mooketsi, Palesa | | | 1384 | BOT | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | 2017 KCF Africa Team Chess Invitational (Team) | Brakpan | RSA | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1605 | 1.50 | 7 | -0.82 | 20 | -16.40 | |
| | Tlale, Tshepang | | wm | 1894 | RSA | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Latreche, Khadidja | | wm | 1912 | ALG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Mwango , Lorita | | wf | 1970 | ZAM | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Oberholzer, Marni | | | 1665 | RSA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Engelbrecht, Hanri | | wf | 1521 | RSA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Tembo, Epah | | wm | 1751 | ZAM | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Oberholzer, Imarie | | wf | 1546 | RSA | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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