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Individual Calculations November 2019 |
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| Ishmael, Kobe Total change: -72.00 | |   |
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| 2019 DEBSWANA DEVELOPMENTAL BOTSWANA INTERNATIONAL OPEN CHESS CHAMPIONSHIPS-OPEN SECTION | GABORONE | BOT | 2019-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1673 | 1.50 | 4 | -1.80 | 40 | -72.00 | |
|  George, Method | | | 1422 | BOT | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Pule, Casey | | | 1345 | BOT | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Michael, Motaung | | | 1407 | BOT | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Machinya, Desire | | | 1430 | BOT | 0.00 | 1 | -0.80 | 40 | -32.00 | |
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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