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Rapid:
Individual Calculations December 2018 |
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| Alyeldin, Mohamed Total change: 9.80 | |   |
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| 4rth international Chess Arena Youth ch 2018 | Cairo | EGY | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1578 | 1.50 | 3 | 0.49 | 20 | 9.80 | |
|  Amin, Khaled Mohamed | | | 1787 | EGY | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Osama Abdel Haleem, Moustafa | | | 1689 | EGY | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Essam, Beshoy | | | 1626 | EGY | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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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