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Individual Calculations February 2019 |
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| Marape, Naledi Total change: -24.40 | |   |
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| 2018 African Junior Chess Championship Girls | Kampala | UGA | 2018-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1646 | 3.50 | 5 | -0.36 | 40 | -14.40 | |
|  Nansubuga , Gloria | | wf | 1542 | UGA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Du Plessis, Anika | | wm | 1468 | RSA | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Babirye, Stella | | | 1246 * | UGA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Benelfekir, Amina | | | 1486 | ALG | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Nakanyike, Maria | | wc | 1338 | UGA | 0.00 | 1 | -0.86 | 40 | -34.40 | | | * 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 |
| 1521 | 1565 | 2.50 | 5 | -0.25 | 40 | -10.00 | |
| | Timboke, Tumelo | | | 1249 | BOT | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Tamuhla, Londani | | wf | 1613 | BOT | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Dusani, Segolame | | | 1421 | BOT | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Gabatshwarwe, Refilwe | | wc | 1541 | BOT | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Sabure, Tuduetso | | wg | 1779 | BOT | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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