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Individual Calculations February 2019 |
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| Moustafa, Islam Total change: 12.40 | |   |
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| Egyptian League Final 2018/2019 Round 5-7 | Many Cities | EGY | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1921 | 1.00 | 2 | 0.20 | 20 | 4.00 | |
|  Ataoot, Mohamed | | | 1915 | EGY | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Elmonair, Walid | | | 2075 | EGY | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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 League Final 2018/2019 Round 8-9 | Many Cities | EGY | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 1921 | 0.50 | 1 | 0.42 | 20 | 8.40 | |
| | Ibrahim, Hatim | m | | 2321 * | EGY | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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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