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Individual Calculations February 2019 |
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| Ndachipiwa, Kgomotso Total change: -35.40 | |   |
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| 2018 AFRICAN AMATEUR CHAMPIONSHIPS - Women's Section (U1700,U2000,2300 MERGED) | Windhoek | NAM | 2018-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1561 | 5.00 | 9 | -0.32 | 20 | -6.40 | |
|  Antonio, Renelsa Taiane | | | 1161 * | ANG | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Motlhware, Tshepang | | | 1246 | BOT | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Mbo, Mabedi | | | 1482 | BOT | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Figaro, Dericka | | wc | 1622 | SEY | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Mbatha, Constance | | wc | 1754 | ZAM | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Zeko, Rose | | wc | 1385 | ZAM | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Shipindo, Rauha | | | 1544 | NAM | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Nakabo, Peninah | | | 1614 | UGA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Tjaronda, Nicola | | wc | 1500 | NAM | 0.00 | 1 | -0.58 | 20 | -11.60 | | | * 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) | | | | AIRFFICIENCY YEAR OPENER 2019-ladies | Gaborone | BOT | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1567 | 3.50 | 6 | -1.45 | 20 | -29.00 | |
| | Banda, Natalie Katlo | | wc | 1349 | BOT | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Badisang, Loago | | | 1246 | BOT | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Lekoko, Rorisang | | | 1186 | BOT | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Motlhware, Tshepang | | | 1246 | BOT | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Bonno, Thandi | | | 1303 | BOT | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Dusani, Segolame | | | 1421 | BOT | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | |
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