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Individual Calculations September 2021 |
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| Youssef Ahmed , Ahmed Total change: -3.20 | |   |
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| Sadat Open | Menoufia | EGY | 2021-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1399 | 0.50 | 3 | 0.26 | 40 | 10.40 | |
|  Elmejbri, Ali A. | f | | 1799 * | LBA | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Aborezika, Mohamed | | | 1799 * | LBA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Abbas, Ahmed | | | 1799 * | EGY | 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) | | | | Egyptian Ch. Open ( U2000 ) 2021 | Cairo | EGY | 2021-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1399 | 0.00 | 1 | -0.34 | 40 | -13.60 | |
| | Ramzy, Mark | | | 1514 | EGY | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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