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Individual Calculations January 2012 |
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| Gumpo, Thabo Total change: 8.25 | |   |
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| Botswana Junior Closed 2011-Boys | Gaborone | BOT | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1965 | 2.00 | 3 | 0.55 | 15 | 8.25 | |
|  Morwamang, Kagiso | c | | 2004 | BOT | 1.00 | 1 | 0.55 | 15 | 8.25 | |  Kamara, Abdul | | | 1919 | BOT | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Olebile , Thato | | | 2011 | BOT | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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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