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Individual Calculations November 2019 |
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| Kao, Chameya Total change: 19.20 | |   |
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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 |
| 1702 | 1516 | 1.50 | 4 | 0.48 | 40 | 19.20 | |
|  Mariri, Thabo | | | 1723 | BOT | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Ngakane, Dan | | | 1687 | RSA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Kamodi, Branden | | | 1709 | BOT | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Motshabi, Boikobo | | | 1688 | BOT | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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