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Individual Calculations August 2018 |
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| Abera, Aydagnuhem Gezachew Total change: -23.20 | |   |
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| 2018 Zone 4.2 Individual Chess Championship (Open) | Djibouti City | DJI | 2018-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2139 | 3.00 | 6 | 0.12 | 20 | 2.40 | |
|  Mohamud, Hussein Ali | | | 1739 * | SOM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fawzy, Adham | m | | 2432 | EGY | 0.50 | 1 | 0.35 | 20 | 7.00 | |  Fidow, Kassim Hassan | | | 1739 * | SOM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hesham, Abdelrahman | g | | 2402 | EGY | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Kawuma, Patrick | f | | 2358 | UGA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Mesfin, Leykun | f | | 2149 | ETH | 0.00 | 1 | -0.49 | 20 | -9.80 | | | * 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) | | | | Ethiopia Olympiad selection open section | Addis Ababa | ETH | 2018-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2139 | 2.50 | 5 | -1.28 | 20 | -25.60 | |
| | Janka, Abrham Zewdie | | | 1863 | ETH | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Gebregziabher, Berhane Gebremicha | c | | 1949 | ETH | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Fekadu, Desalegn Jimma | c | | 2058 | ETH | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Tolu, Behailu Workneh | | | 1908 | ETH | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Altaye, Girum Tekleweld | | | 1898 | ETH | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | |
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