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Individual Calculations July 2019 |
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| Wahba, David George Total change: 38.80 | |   |
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| White Rook 2019 Final stage | Dagomys | RUS | 2019-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1229 | 1.50 | 2 | 0.66 | 40 | 26.40 | |
|  Volchkova, Alena | | | 1307 | RUS | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Desvoyes, Melyne | | | 1268 | FRA | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | EGY Youth U16 (Open) | Cairo | EGY | 2019-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1229 | 1.50 | 5 | 0.31 | 40 | 12.40 | |
| | Ibrahim, Mohamed Ahmed | | | 1558 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Samy Abdel Raoof, Ahmed | | | 1399 | EGY | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Mansour, Moaaz | | | 1487 | EGY | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Adel Abou Zeid, Abdel Rahman | | | 1388 | EGY | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Atallah, Ahmed | | | 1362 | EGY | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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