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Rapid:
Individual Calculations July 2015 |
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| Aknouche, Ameur Total change: -7.00 | |   |
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| Open du rocher de Constantine 2015 | Constantine | ALG | 2015-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2022 | 1.50 | 3 | -0.35 | 20 | -7.00 | |
|  Merbouhi, Wail | | | 1688 | ALG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gueroui, Nacereddine | | | 2094 | ALG | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Lekhchine , Riad | | | 1973 | ALG | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | |
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