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Individual Calculations April 2008 |
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| Klaasen, Celvin Total change: 66.25 | |   |
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| South African Closed Chess Championship 2007 | Cape Town | RSA | 2007-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 1982 | 4.00 | 9 | 2.47 | 25 | 61.75 | |
|  Steel, Henry R. | | | 2241 | RSA | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Mosethle, Kgaugelo K. | | | 2144 | RSA | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Cawdery, Daniel J. | | | 2254 | RSA | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Van Den Heever, Donovan O. | | | 2202 | RSA | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Kobese, Watu Kw. | m | | 2332 | RSA | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Gluckman, David | m | | 2306 | RSA | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Solomon, Kenneth T. | m | | 2332 | RSA | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Mabusela, Johannes P. | m | | 2277 | RSA | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Ophoff, Jacobus A. | | | 2260 | RSA | 0.00 | 1 | -0.17 | 25 | -4.25 | |
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) | | | | African Junior Championships 2007/8 (Boys) | Lilongwe | RSA | 2007-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1982 | 1.50 | 3 | 0.18 | 25 | 4.50 | |
| | Wageih, Kareim | f | | 2108 | EGY | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Van Rensburg, Ryan | | | 1946 | RSA | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Greeff, Melissa | | wm | 2025 | RSA | 0.50 | 1 | 0.06 | 25 | 1.50 | |
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) | | |
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