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Rapid:
Individual Calculations August 2022 |
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| Breikah , Zeinab Total change: 14.20 | |   |
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| Adly Chess Academy (International Chess Day) | Cairo | EGY | 2022-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1233 | 1.00 | 3 | 0.78 | 20 | 15.60 | |
|  Adly, Ibrahim | | | 1679 | EGY | 1.00 | 1 | 0.94 | 20 | 18.80 | |  Wael Sabry, Mina | | | 1587 | EGY | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Gooda, Islam | | | 1715 | EGY | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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) | | | | 3rd International Sun City Rapid Championship | Cairo | EGY | 2022-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1233 | 0.00 | 1 | -0.07 | 20 | -1.40 | |
| | Abdullah, Zeinhom Hassan Kamal | | | 1663 | EGY | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | |
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