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Individual Calculations May 2017 |
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| Najjar, Seifeddine Total change: -14.00 | |   |
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| Tunisian 2017 Youth Championship Boys U12 | Hammamet | TUN | 2017-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1378 | 1.50 | 3 | -0.35 | 40 | -14.00 | |
|  Gamha, Mortadha | | | 1203 | TUN | 0.00 | 1 | -0.73 | 40 | -29.20 | |  Dahmani, Sami | c | | 1370 | TUN | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Gamha, Sadek -8 | | | 1297 | TUN | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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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