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Individual Calculations April 2019 |
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| Boudriga, Mohamed Ali Total change: 4.60 | |   |
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| Championnat National par equipe A 2020 1-9 | Hammamet | TUN | 2019-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2366 | 6.50 | 9 | -0.06 | 10 | -0.60 | |
|  Chikhaoui, Walid | f | | 2210 | TUN | 1.00 | 1 | 0.29 | 10 | 2.90 | |  Cheikh Mhamed, Kamel | | | 2126 | TUN | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Amdouni, Zoubaier | f | | 2275 | TUN | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Zaibi, Amir | m | | 2403 | TUN | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Doghri, Nabil | f | | 2338 | TUN | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Mohamed, Nouali | f | | 2050 | TUN | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Mabrouk, Fathi | | | 2099 | TUN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Saadani, Tarak | | | 2081 | TUN | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Chamekh, Ahmed | | | 1981 | TUN | 1.00 | 1 | 0.09 | 10 | 0.90 | |
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) | | | | Arab Chess Club Championship 2019 Open | Hammamet | TUN | 2019-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2366 | 6.00 | 7 | 0.61 | 10 | 6.10 | |
| | Al Onizan, Fahad M | | | 1966 * | KSA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Abdulwahhab, Ahmed Abdulsattar A | f | | 2262 | IRQ | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Ameir, Moheb | m | | 2287 | EGY | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Mohammed, Zozek Salah Mohammed | f | | 2217 | IRQ | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Fellah, Mohamed Amine | | | 2080 | ALG | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Aboudi, Marwan | | | 2163 | JOR | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Al Azmi, Khalaf | | | 1966 * | KUW | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | Arab Teams Chess Championship Open 2019 | Hammamet | TUN | 2019-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2369 | 3.50 | 5 | -0.09 | 10 | -0.90 | |
| | Saim, Mohamed Ilias | f | | 2133 | ALG | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Moazaz , Dhahir Habeeb | f | | 2205 | IRQ | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Hmam, Mohamed | | | 2020 | TUN | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Koniahli, Malek. | f | | 2294 | SYR | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Al-Zendani, Zendan | m | | 2310 | YEM | 1.00 | 1 | 0.42 | 10 | 4.20 | |
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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