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Individual Calculations September 2012 |
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| Marais, Franco Total change: 15.30 | |   |
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| Alekhine Open 2012 | Pretoria | RSA | 2012-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1794 | 1.50 | 3 | 0.51 | 30 | 15.30 | |
|  Nene, Themba | | | 1986 | RSA | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Cox, Rian | | | 1689 | RSA | 0.00 | 1 | -0.64 | 30 | -19.20 | |  Masango, Spencer | | | 2153 | ZIM | 1.00 | 1 | 0.90 | 30 | 27.00 | |
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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