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Individual Calculations January 2018 |
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| Marais, Alwyn Johannes Total change: 47.60 | |   |
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| African Youth 2017 Boys 12 | Cairo | EGY | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1186 | 2.50 | 9 | 1.19 | 40 | 47.60 | |
|  Hassan, Aly | | | 1493 | EGY | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Khaled, Yousef | c | | 1586 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sudalaimuthu, Anish Sukumar | | | 1411 | KEN | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Alyeldin, Mohamed | | | 1402 | EGY | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Abdel Raouf, Zyad | | | 1488 | EGY | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Oosthuizen, Michal Jacobus | | | 1418 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Rakotoarisoa, Itokiana | | | 1507 | MAD | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hemeida, Eyad | | | 1586 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bousmaha, Wassel | f | | 1586 * | 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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