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Individual Calculations May 2012 |
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| Guo, Hong-Da Tony Total change: -18.00 | |   |
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| South African Junior Closed 2012 (u14 Boys) | Johannesburg | RSA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1938 | 1.00 | 2 | -0.60 | 30 | -18.00 | |
|  Marais, Franco | | | 1780 | RSA | 0.50 | 1 | -0.21 | 30 | -6.30 | |  De La Rey, Sean-Luc | | | 1593 | RSA | 0.50 | 1 | -0.39 | 30 | -11.70 | |
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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