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Rapid:
Individual Calculations September 2017 |
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| Rabahi, Aziz Total change: 28.80 | |   |
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| Open 20 Aout celebration | Skikda | ALG | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1641 | 4.00 | 5 | 2.69 | 20 | 53.80 | |
|  Boukazata, Djamel | | | 1800 | ALG | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Boudersa, Mohamed | | | 1641 | ALG | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Seraoui, Mohcen | | | 2041 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Aknouche, Ameur | | | 2015 | ALG | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Dechir, Nabil | | | 1755 | ALG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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) | | | | Championnat de Wilaya - Skikda 2017 | Skikda | ALG | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1641 | 2.00 | 4 | -1.25 | 20 | -25.00 | |
| | Boutabza, Rabah | | | 1467 | ALG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Lahmar, Cherif | | | 1362 | ALG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Bouznad, Noureddine | | | 1435 | ALG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Haddad, Salem | | | 1241 * | 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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