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Individual Calculations December 2015 |
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| Mbedza, Richard Total change: -7.40 | |   |
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| Gauteng Chess League (Premier Section) | Johannesburg | RSA | 2015-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1970 | 2.00 | 5 | -0.37 | 20 | -7.40 | |
|  Mahomole, Tebogo R. | | | 1938 | RSA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Hercules, Benjamin Vincent | | | 2124 | RSA | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Wilken, Justin Barend | | | 1973 | RSA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Chipepo, Kunda | | | 1957 | ZAM | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Meintjes, Jacques C. | | | 1954 | RSA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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