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Individual Calculations September 2015 |
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| Rahman, Yehya Total change: -51.40 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2230 | 3.50 | 6 | 0.15 | 20 | 3.00 | |
|  Moustafa, Ateya | | | 1942 | EGY | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Tork, Mohamed | | | 2100 | EGY | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Anwar, Ashraf | | | 2147 | EGY | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Eldesoky, Hatem | f | | 2249 | EGY | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Amin, Bassem | g | | 2630 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nader, Mohamed | m | | 2102 | EGY | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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) | | | | Zagazig Open 2015 | Zagazig | EGY | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 2230 | 5.50 | 9 | -1.86 | 20 | -37.20 | |
| | Elmaghraby, Mahmoud | | | 1902 | EGY | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Hamed, Mohamed | | | 1850 | SUD | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Alnami, Salaheddin | | | 1972 | LBA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Amer, Mohamed M. | | | 1886 | EGY | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Abdel Aziz, Ahmed M. | | | 1926 | EGY | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ibrahim, Sarwat | | | 2041 | EGY | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Saiid, Aly | | | 1946 | EGY | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Ashraf, Shereif | f | | 1978 | EGY | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Lotfy, Abdel Rahman | | | 2146 | EGY | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Egyptian Cup Teams | Cairo | EGY | 2015-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2230 | 1.00 | 4 | -0.86 | 20 | -17.20 | |
| | Hussein, Amer | | | 2181 | EGY | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Ismail, Reda | | | 2115 | EGY | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Ezat, Mohamed | m | | 2476 | EGY | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Moh. Abdel, Zaher | | | 2270 | EGY | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | |
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