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Rapid:
Individual Calculations May 2018 |
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| Rebahi, Abderrahmane Total change: -53.80 | |   |
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| Zonal "Ouest" du CNITC 2018 | Oran | ALG | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1528 | 1657 | 1.00 | 5 | -2.28 | 20 | -45.60 | |
|  Kadiri, Mustapha Kamel | | | 1918 | ALG | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Charef Khodja, Ayoub | | | 1398 | ALG | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Kacem, Abdelkader | | | 1298 | ALG | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Magharbi, Radwan | | | 1449 | ALG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Hallal, Kamel | | | 1579 | ALG | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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) | | | | National Senior Championship 2018 S50 | Tiaret | ALG | 2018-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1657 | 2.00 | 7 | -0.41 | 20 | -8.20 | |
| | Nassr, Nacer | | | 2057 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mani, Yahia | | | 1538 | ALG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Mahfouf, El Hachemi | | | 1774 | ALG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Mostaine Boucetta, Brahim | | | 1804 | ALG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Yahiaoui, Abdelkrim | | | 2057 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Belkhir, Mustapha | | | 1798 | ALG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Chougui, Rachid | | | 1551 | ALG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | * 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) | | |
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