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Individual Calculations December 2017 |
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| Semahi, Lazhar Total change: -22.40 | |   |
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| ASEC First National Tournament | Constantine | ALG | 2017-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 2075 | 2.50 | 4 | -0.56 | 40 | -22.40 | |
|  Ferrad, Amine | | | 1675 * | ALG | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Yousfi, Yasmine | | | 1675 * | ALG | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Djeghri, Memdouh | | | 1834 | ALG | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Ouaret, Abdelouhab | m | | 2130 | ALG | 0.00 | 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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