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Individual Calculations March 2011 |
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| Gaealafshwe, Barileng Total change: -9.60 | |   |
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| BOTSWANA OPEN 2010 | GABORONE | BOT | 2010-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2161 | 1.50 | 4 | -0.73 | 15 | -10.95 | |
|  Gwaze, Robert | m | | 2428 | ZIM | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Oatlhotse , Providence | c | | 2226 | BOT | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Kamara, Abdul | | | 1930 | BOT | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Tlhwaafalo, Gofaone | | | 1866 | BOT | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | Airfficiency Year Opener 2011 | Gaborone | BOT | 2011-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2161 | 2.50 | 4 | 0.09 | 15 | 1.35 | |
| | Gumpo, Thabo | c | | 1945 | BOT | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Jona, Chaka | | | 2128 | ZIM | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Oatlhotse, Providence | c | | 2226 | BOT | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Notha, Moakofi | | | 2032 | BOT | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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