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Individual Calculations April 2009 |
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| Ezat, Abdallah Total change: -28.95 | |   |
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| 11th Mahalla Open | Mahalla | EGY | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2287 | 3.50 | 5 | -0.58 | 15 | -8.70 | |
|  Kotb, Kadry | | | 1937 | EGY | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Salama, Mohamed | | | 2079 | EGY | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Ehab, Mohamed | | | 1937 | EGY | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Nader, Mohamed | | | 2033 | EGY | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Shehata, Aly | | | 2118 | EGY | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 1st Elsead Club | Cairo | EGY | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2287 | 2.50 | 5 | -0.61 | 15 | -9.15 | |
| | Sheded, Ahmed | | | 2094 | EGY | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Nader, Mohamed | | | 2033 | EGY | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Sobh, Amrou | | | 2180 | EGY | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Ezat, Mohamed | m | | 2421 | EGY | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Fatehy, Tarek | | | 2226 | EGY | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 1st Sohag International Chess Tournament | Sohag | EGY | 2009-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2287 | 3.50 | 6 | -0.74 | 15 | -11.10 | |
| | Seif Elnasr, Alaa | | | 2042 | EGY | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Salah, Ahmed As | | | 2136 | EGY | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Abadalla, Mohamed Kamel | | | 2021 | EGY | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Ameir, Moheb | | | 2081 | EGY | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Abo Nar, Mohamed | | | 2138 | EGY | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Amin, Ashraf | | | 2315 | EGY | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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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