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Individual Calculations June 2018 |
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| Ndachipiwa, Kgomotso Total change: -14.60 | |   |
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| World Amateur Championship 2018 Women under 1700 | Cagliari | ITA | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1590 | 4.00 | 7 | -1.36 | 20 | -27.20 | |
|  Codispoti, Maria Celeste | | | 1190 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Manca, Maria Chiara | | | 1332 | ITA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Popova, Vilena | | | 1630 | RUS | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Orru , Giulia | | | 1334 | ITA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Cadoni, Valentina | | | 1238 | ITA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Laya, M | | | 1210 | IND | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Nakabo, Peninah | | | 1542 | UGA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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) | | | | NATIONAL TEAM SELECTION PLAY OFFS TOP 20 2018- LADIES | GABORONE | BOT | 2018-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1590 | 4.00 | 6 | 0.63 | 20 | 12.60 | |
| | Mbo, Mabedi | | | 1476 | BOT | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Nkwe, Keitumetse | | wc | 1598 | BOT | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Radikoro, Boitumelo | | | 1540 | BOT | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Malebogo, Keleapere | | | 1552 | BOT | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Tamuhla, Londani | | wf | 1596 | BOT | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Rebatenne, Boitshepo | | | 1508 | BOT | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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