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Individual Calculations March 2019 |
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| Elshaafi, Ali Total change: 38.20 | |   |
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| Arab Cities Chess Championship | Hammamet | TUN | 2019-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 1889 | 3.00 | 7 | 1.26 | 20 | 25.20 | |
|  Al-Zendani, Zendan | m | | 2289 * | YEM | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Chikhaoui, Walid | f | | 2210 | TUN | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Seddaoui, Yamine | | | 2177 | ALG | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Alharari, Ali | | | 1850 | LBA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Hergli, Amir | | | 2042 | TUN | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Al Nhier, Hamoud | f | | 1929 | KSA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Belouadah, Saad | m | | 2289 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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 |
| 1827 | 1889 | 3.50 | 5 | 0.65 | 20 | 13.00 | |
| | Mahgub, Mohamed Mustafa | | | 1939 | LBA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Alharari, Ali | | | 1850 | LBA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Sharmado, Abdalah Husain | | | 1840 | LBA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Alfaitori, Abdallah | | | 1939 | LBA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Galaiow, Hosam Faraj | | | 1566 | LBA | 0.50 | 1 | -0.37 | 20 | -7.40 | |
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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