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Individual Calculations March 2011 |
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| Kokome, Oaitse Total change: -2.50 | |   |
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| BOTSWANA OPEN 2010 | GABORONE | BOT | 2010-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 1950 | 0.50 | 1 | 0.33 | 25 | 8.25 | |
|  Oatlhotse , Providence | c | | 2226 | BOT | 0.50 | 1 | 0.33 | 25 | 8.25 | |
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 |
| 2182 | 1950 | 0.00 | 2 | -0.43 | 25 | -10.75 | |
|  Kheto, Phemelo | f | | 2235 | BOT | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Jona, Chaka | | | 2128 | ZIM | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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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