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Individual Calculations November 2012 |
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| Roberts, Marcel Total change: 8.70 | |   |
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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 |
| 1915 | 1825 | 2.50 | 5 | 0.58 | 15 | 8.70 | |
|  Masole, Cliford | | | 1902 | BOT | 1.00 | 1 | 0.61 | 15 | 9.15 | |  De Abreu, Roberto N | | | 1966 | RSA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Lekgau, Mothupi | | | 1803 | RSA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Wagdy, Andro | f | | 2077 | EGY | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Pon, Matt | | | 1828 | RSA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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