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Individual Calculations March 2011 |
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| Kamara, Abdul Total change: 7.00 | |   |
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| BOTSWANA OPEN 2010 | GABORONE | BOT | 2010-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 1930 | 1.00 | 2 | 0.71 | 25 | 17.75 | |
|  Gaealafshwe, Barileng | c | | 2161 | BOT | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Gwaze, Robert | m | | 2330 * | ZIM | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2161 | 1930 | 0.00 | 2 | -0.43 | 25 | -10.75 | |
| | Oatlhotse, Providence | c | | 2226 | BOT | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Makabe , Ivon | | | 2096 | BOT | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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