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Individual Calculations January 2020 |
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| Lefatshe, Diane Total change: -29.20 | |   |
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| francistown open 2019 | francistown | BOT | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1508 | 1.00 | 4 | 0.12 | 40 | 4.80 | |
|  Mogale, Onkabetse | | | 1817 | BOT | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Kapwe, Thapelo | | | 1554 | BOT | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Diczhino, Mogalakwe | | | 1908 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pule , Frank | | | 1724 | BOT | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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) | | | | 2019 BOTSWANA GAMES TEAMS CHESS CHAMPIONSHIP-OPEN | GABORONE UB | BOT | 2019-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1508 | 0.00 | 2 | -0.85 | 40 | -34.00 | |
| | Machinya, Desire | | | 1550 | BOT | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Jason, Ditsheko | | | 1570 | BOT | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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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