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Individual Calculations January 2016 |
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| Lubbe, David Stefanus Total change: -22.80 | |   |
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| 2015 African Youth Chess Championships - U10B | Lusaka | ZAM | 2015-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1279 | 0.50 | 4 | -0.57 | 40 | -22.80 | |
|  Dykema, Joshua | | | 1381 | RSA | 0.50 | 1 | 0.14 | 40 | 5.60 | |  Tamer, Ahmed | c | | 1556 | EGY | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Benyahia, Safin | c | | 1308 | ALG | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Bousmaha, Wassel | c | | 1679 * | ALG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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