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Individual Calculations March 2019 |
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| Alazabe, Aribi Total change: -43.40 | |   |
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| Arab Cities Chess Championship | Hammamet | TUN | 2019-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 1826 | 0.00 | 2 | -0.23 | 20 | -4.60 | |
|  Kaabi, Mejdi | m | | 2226 * | TUN | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Bengherabi, Khalil | f | | 2123 | ALG | 0.00 | 1 | -0.15 | 20 | -3.00 | | | * 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) | | | | Final Libyan Cities 2019 | Misrata | LBA | 2019-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1826 | 2.50 | 6 | 0.01 | 20 | 0.20 | |
| | Mahgub, Mohamed Mustafa | | | 1939 | LBA | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Alfaitori, Abdallah | | | 1939 | LBA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Ashor, Abdulmajed | | | 1701 | LBA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Almorabit, Abdallha M. | | | 1902 | LBA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Sattar J Al-Isawi, Abdullah | | | 2015 | IRQ | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Alharari, Ali | | | 1850 | LBA | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | | | Final Libyan First Degree Clubs 2019 | Misrata | LBA | 2019-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1826 | 0.50 | 5 | -1.95 | 20 | -39.00 | |
| | Buhasan, Aiaad Jumha | | | 1737 | LBA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Omer, Ali | | | 1844 | LBA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Engaitah, Abdalsalam A. | | | 1926 | LBA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Asabri, Hussien | f | | 2205 | LBA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Ahmaida, Mohamed | | | 1435 | LBA | 0.50 | 1 | -0.41 | 20 | -8.20 | |
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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