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Individual Calculations October 2008 |
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| Lebea, Botlhale E. Total change: -16.25 | |   |
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| CENTURION OPEN ELITE SECTION 2008 | Pretoria | RSA | 2008-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2100 | 2.50 | 5 | 0.15 | 25 | 3.75 | |
|  Mabusela, Johannes P. | m | | 2286 | RSA | 1.00 | 1 | 0.74 | 25 | 18.50 | |  Oatlhotse, Providence | | | 2170 | BOT | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Louw, Daniel J. | | | 2158 | RSA | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Hercules, Benjamin V. | | | 2049 | RSA | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Dole, Anant | | | 1949 | RSA | 0.00 | 1 | -0.70 | 25 | -17.50 | |
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) | | | | South African Open Chess Championship 2008 | Centurion | RSA | 2008-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 2100 | 0.00 | 1 | -0.80 | 25 | -20.00 | |
| | De Waal, Ingrid | | | 1861 | RSA | 0.00 | 1 | -0.80 | 25 | -20.00 | |
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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