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Individual Calculations March 2020 |
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| Hafez, Mohamed Total change: -3.80 | |   |
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| 9th Arena Chess Open Under 2000 | Cairo | EGY | 2020-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1814 | 2.50 | 4 | -0.19 | 20 | -3.80 | |
|  Salah Eldin, Emad | | | 1934 | EGY | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Sayed Khalifa, Eisa | | | 1585 | EGY | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Saad Abdel Latif, Mohamed | | | 1543 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Fahmy, Rafik | | | 1640 | EGY | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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