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Individual Calculations January 2019 |
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| Besa, Masaiti Total change: 22.40 | |   |
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| FRANCISTOWN INTERNATIONAL OPEN- LADIES 2018 | FRANCISTOWN | BOT | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1584 | 2.00 | 4 | -0.24 | 40 | -9.60 | |
|  Dusani, Segolame | | | 1408 | BOT | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Charinda, Kudzanayi | | wc | 1717 | BOT | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Makwena, Christine | | | 1665 | ZIM | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Rankwane, Onneetse | | | 1347 | BOT | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | 2018 Botswana International Junior Open Chess Championships_ U17 , U19, U21 Girls | Gaborone | BOT | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1584 | 1.00 | 1 | 0.54 | 40 | 21.60 | |
| | Shaba, Linda | | | 1611 | ZIM | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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) | | | | 2018 African Schools Individual Chess Championships (U15 and U17 Girls) | Waterberg | RSA | 2018-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1584 | 3.50 | 5 | 0.26 | 40 | 10.40 | |
| | Da Costa, Olga | | | 1255 | ANG | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Milford, Zoe Melissa | | | 1184 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Otisitswe, Ruth | | | 1693 | BOT | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Pires, Luzia | | wf | 1853 | ANG | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Van Wyk, Keisha C | | | 1184 * | NAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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