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Individual Calculations October 2017 |
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| Zaibi, Amir Total change: -17.40 | |   |
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| Festival chess Moknine Open A 2017 | Monastir | TUN | 2017-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2384 | 5.00 | 9 | -0.58 | 20 | -11.60 | |
|  Mabrouk, Fathi | | | 2127 | TUN | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Feller, Sebastien | g | | 2569 | FRA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Ashraf, Shereif | f | | 2306 | EGY | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Meftahi, Houssem | m | | 2074 | TUN | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Bouzidi, Ahmed | c | | 2237 | TUN | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Nassr, Ali | m | | 2208 | ALG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Taieb, Sahbi | c | | 2103 | TUN | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Adly, Ahmed | g | | 2631 | EGY | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Boudriga, Med Ali | m | | 2334 | TUN | 0.50 | 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) | | | | 30th Agerian Team Chess Championship 2017 | Oran | ALG | 2017-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2384 | 5.00 | 7 | -0.29 | 20 | -5.80 | |
| | Boudaoud, Khaled | | | 2058 | ALG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Ouahab, Mohamed Kamel | | | 1984 * | ALG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Haddouche, Mohamed | g | | 2487 | ALG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Harichane, Bassem | | | 1984 * | ALG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cherifi, Razik | | | 1984 * | ALG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Arab, Adlane | m | | 2474 | ALG | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Ferrah, Hacene | | | 1984 * | ALG | 1.00 | 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) | | |
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