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Individual Calculations November 2017 |
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| Waheng, Kealeboga Total change: 2.80 | |   |
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| 2017 Debtswana Development Botswana Open Chess Championship-Open | Gaborone | BOT | 2017-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1491 | 0.50 | 2 | 0.07 | 40 | 2.80 | |
|  Mariri, Thabo | | | 1790 | BOT | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Modise, Thabo | | | 1654 | BOT | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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