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Rapid:
Individual Calculations October 2018 |
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| Boutabza, Rabah Total change: 2.80 | |   |
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| Open 20 Aout de Skikda | skikda | ALG | 2018-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1463 | 2.00 | 5 | 0.14 | 20 | 2.80 | |
|  Benkirat, Rabie | | | 1857 | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bendjama, Abdallah | | | 1607 | ALG | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Bouharouf, Zine El Abidine | | | 1277 | ALG | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Boudjoghra, Adleine | | | 1662 | ALG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Lahmar, Cherif | | | 1467 | ALG | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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