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Individual Calculations November 2012 |
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| De Abreu, Roberto N Total change: 18.60 | |   |
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| African Youth Championships 2012 (u16 & 18 Boys) | Pretoria | RSA | 2012-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1966 | 3.50 | 5 | 0.62 | 30 | 18.60 | |
|  Du Randt, Jeandre | | | 1923 | RSA | 0.50 | 1 | -0.06 | 30 | -1.80 | |  Roberts, Marcel | | | 1825 | RSA | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Wagdy, Andro | f | | 2077 | EGY | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Pon, Matt | | | 1828 | RSA | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Masole, Cliford | | | 1902 | BOT | 1.00 | 1 | 0.41 | 30 | 12.30 | |
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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