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Individual Calculations October 2008 |
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| Klaasen, Calvin Jong. Total change: 24.00 | |   |
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| South African Open Chess Championship 2008 | Centurion | RSA | 2008-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2048 | 2.50 | 5 | 0.65 | 25 | 16.25 | |
|  Nelson, William Jh. | | | 2113 | RSA | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Van Der Nat, Nicholas P. | f | | 2274 | RSA | 0.50 | 1 | 0.29 | 25 | 7.25 | |  Greeff, Melissa | | wm | 1965 | RSA | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Hercules, Benjamin V. | | | 2049 | RSA | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Kobese, Watu Kw. | m | | 2385 | RSA | 0.00 | 1 | -0.12 | 25 | -3.00 | |
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) | | | | Reinderman Open | Cape Town | RSA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2048 | 1.50 | 4 | 0.31 | 25 | 7.75 | |
| | Van Den Heever, Donovan O. | c | | 2225 | RSA | 0.00 | 1 | -0.27 | 25 | -6.75 | | | De Villiers, Charles Ca. | f | | 2286 | RSA | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Mosethle, Kgaugelo K. | | | 2115 | RSA | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Solomon, Maxwell C. | | | 2193 | RSA | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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