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Individual Calculations September 2015 |
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| Ashraf Arafat, Amro Total change: -32.00 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1664 | 0.00 | 3 | -0.32 | 40 | -12.80 | |
|  Abdel Elah, Ahmed | | | 2064 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gaafar, Mahmoud | | | 2050 | EGY | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Harraz, Hany | | | 1955 | EGY | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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 |
| 1950 | 1664 | 0.00 | 3 | -0.48 | 40 | -19.20 | |
| | Ashraf, Shereif | f | | 1978 | EGY | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Megahed, Wael | | | 1970 | EGY | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Elmaghraby, Mahmoud | | | 1902 | EGY | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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