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Individual Calculations September 2011 |
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| Esau, Omar Total change: -30.90 | |   |
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| Commonwealth and South African Open 2011 | Johannesburg | RSA | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1830 | 0.50 | 2 | -1.03 | 30 | -30.90 | |
|  Lucas, Melvyn | | | 1652 | RSA | 0.00 | 1 | -0.73 | 30 | -21.90 | | | Sutil Yolande, Judy Do Norsemen | | | 1591 | RSA | 0.50 | 1 | -0.30 | 30 | -9.00 | |
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) | | |
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