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Individual Calculations November 2018 |
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| Ibrahim, Ammar Total change: 25.20 | |   |
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| 1st IEFS open chess tournament | Kuwait City | KUW | 2018-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1483 | 2.00 | 5 | 1.26 | 20 | 25.20 | |
|  Habboosh, O | | | 1837 | JOR | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Khalid, Lodhi | | | 1654 | PAK | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Al Ibrahim, Abdulrahman | | | 1838 | KUW | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Gabr, Mohamed | | | 1883 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Youssef, Ahmed Mohamed | | | 1761 | EGY | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * 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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