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Individual Calculations February 2019 |
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| Rebatenne, Boitshepo Total change: -24.60 | |   |
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| AIRFFICIENCY YEAR OPENER 2019-ladies | Gaborone | BOT | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1526 | 2.00 | 5 | -1.23 | 20 | -24.60 | |
|  Tamuhla, Londani | | wf | 1613 | BOT | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Bonno, Thandi | | | 1303 | BOT | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Otisitswe, Ruth | | | 1629 | BOT | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Lekoko, Rorisang | | | 1186 | BOT | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Timboke, Tumelo | | | 1249 | BOT | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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) | | |
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