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Individual Calculations January 2019 |
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| Borges, Jose Total change: -14.80 | |   |
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| 2018 African Schools Individual Chess Championships (U17 Boys) | Waterberg | RSA | 2018-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1964 | 2.00 | 3 | -0.37 | 40 | -14.80 | |
|  Nyathi, Musa | | | 1564 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Khumalo, Keith | | | 1941 | RSA | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Van Der Meer, Anthony | | | 1564 * | NAM | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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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