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Individual Calculations October 2008 |
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| Nelson, William Jh. Total change: -31.10 | |   |
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| CENTURION OPEN ELITE SECTION 2008 | Pretoria | RSA | 2008-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2113 | 2.00 | 5 | -0.89 | 25 | -22.25 | |
|  Solomons, Anzel | | wm | 1895 | RSA | 1.00 | 1 | 0.22 | 25 | 5.50 | |  Solomons, Deon M. | | | 2216 | RSA | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Louw, Daniel J. | | | 2158 | RSA | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Hercules, Benjamin V. | | | 2049 | RSA | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Dole, Anant | | | 1949 | RSA | 0.00 | 1 | -0.72 | 25 | -18.00 | |
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) | | | NOTE: K factor changed | | South African Open Chess Championship 2008 | Centurion | RSA | 2008-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2113 | 0.00 | 1 | -0.59 | 15 | -8.85 | |
| | Klaasen, Calvin J. | | | 2048 | RSA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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