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Rapid:
Individual Calculations May 2018 |
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| Ferrah, Hacene Total change: 55.00 | |   |
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| Zonal "Centre" du CNITC 2018 | Algiers | ALG | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1739 | 3.50 | 7 | -0.43 | 20 | -8.60 | |
|  Ould Rouis, Mounir | | | 2023 | ALG | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Bensadi, Lotfi | | | 1834 | ALG | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Benkiar, Djamel | | | 1947 | ALG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Hadj Mohamed, Mohamed | | | 1763 | ALG | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Benyahia, Safin | c | | 1427 | ALG | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Rellam, Wahid | | | 1347 | ALG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maameri, Insaf | | | 1339 * | 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) | | | | 27th First Saturday 2018 | Algiers | ALG | 2018-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 1734 | 1.50 | 4 | 0.45 | 20 | 9.00 | |
| | Kadiri, Mustapha Kamel | | | 1918 | ALG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Nassr, Nacer | | | 2134 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bouchareb, Nabil | | | 1887 | ALG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Djema, Abdennour | | | 1799 | ALG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | | | National Senior Championship 2018 S50 | Tiaret | ALG | 2018-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1855 | 1734 | 5.00 | 8 | 2.12 | 20 | 42.40 | |
| | Benabadji, Abderrahmane | | | 1917 | ALG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | El Haddad, Mesbah | | | 1568 | FRA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Attoui, Abderrezak | | | 1822 | ALG | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Chougui, Rachid | | | 1551 | ALG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Djeddi , Salah Eddine | | | 1853 | ALG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Nassr, Nacer | | | 2134 * | ALG | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Ounas, Abdelhak | | | 2043 | ALG | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Benkiar, Djamel | | | 1953 | ALG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | * 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) | | | | Open Youm El Ilm ALGER 2018 | Algiers | ALG | 2018-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1734 | 3.00 | 5 | 0.61 | 20 | 12.20 | |
| | Djaballah, Farouk | | | 1976 | ALG | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Saoudi, Mohamed Lamine | | | 1903 | ALG | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Chekired, Mohamed Elhareth | | | 1407 | ALG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Achour, Mohamed Anis | | | 1985 | ALG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Benmoussa, Mahmoud | | | 1432 | ALG | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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