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Individual Calculations April 2021 |
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| Amine, Jlajla Total change: -8.80 | |   |
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| BICA Open U12 | Bouhjar | TUN | 2021-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1168 | 1223 | 1.50 | 3 | -0.22 | 40 | -8.80 | |
|  Bouafia, Arken | | | 1260 | TUN | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Hasnaoui, Amen Allah | | | 1173 | TUN | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Arfaoui, Mohamed Aziz | | | 1071 | TUN | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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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