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Individual Calculations September 2011 |
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| Nelson, Jaco Total change: -10.95 | |   |
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| Commonwealth and South African Open 2011 | Johannesburg | RSA | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 2091 | 2.00 | 3 | -0.73 | 15 | -10.95 | |
|  De La Rey, Sean-Luc | | | 1691 * | RSA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Du Toit, Stefan | f | | 1691 * | RSA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Tlale, Tshepang | | wf | 1739 | RSA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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