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Individual Calculations August 2019 |
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| Ibrahim, Abdallah Total change: -13.40 | |   |
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| 7th International Chess Arena Classic Tournament 2019 | Cairo | EGY | 2019-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1905 | 1.50 | 4 | -0.67 | 20 | -13.40 | |
|  Mohamed Hassan, Islam | | | 1505 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  M.amer, Hossam | | | 2187 | EGY | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Yasser, Mark | f | | 2173 | EGY | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Romany, Abanob | | | 1505 * | EGY | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | |
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