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Individual Calculations December 2019 |
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| Bellal, Tiyeb Total change: -0.80 | |   |
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| Open Noveber 2019 | Nouakchott | MTN | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1611 | 0.50 | 3 | -0.04 | 20 | -0.80 | |
|  Yahi, Mohamed Salem | c | | 1928 | MTN | 0.50 | 1 | 0.37 | 20 | 7.40 | |  Nocha, Sidahmed | | | 1762 | MTN | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sidi, Mbareck Mohamed | c | | 1962 | MTN | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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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