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Individual Calculations April 2017 |
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| Marape, Naledi Total change: 26.00 | |   |
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| 2017 Botswana Junior Open Chess Championships-Ladies | Gaborone | BOT | 2017-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1521 | 1367 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
|  Mokhunzeni, Koziba | | wc | 1607 | BOT | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Sokisi, Malebogo | | | 1470 | BOT | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Masaiti, Besa | | wf | 1486 | BOT | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | 2017 Metropolitan National Championships 2nd Qualifiers-Ladies | Gaborone | BOT | 2017-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1367 | 1.50 | 5 | 0.55 | 40 | 22.00 | |
| | Leso, Gorata | | | 1692 | BOT | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Mokhunzeni, Koziba | | wc | 1607 | BOT | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Francis, Thapelo | | wf | 1723 | BOT | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Kgomotso, Ndachipiwa | | | 1564 | BOT | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Rebatenne, Boitshepo | | | 1547 | BOT | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | |
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