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Individual Calculations February 2023 |
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| Mostefai, Malik Total change: -30.20 | |   |
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| 19e Bois-Colombes Chess Master - Open B | BOIS COLOMBES | FRA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1617 | 2.00 | 8 | -0.76 | 20 | -15.20 | |
|  Beaudoire, Gregoire | | | 1781 | FRA | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Davy, Bruno | | | 1732 | FRA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Jacq, Rene | | | 1807 | FRA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Annetti, Laurent | | | 1759 | FRA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Salakdji, Karim | | | 1821 | FRA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Carbonnet, Christophe | | | 1759 | FRA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Marques, Gil | | | 1560 | POR | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Truong, Hubert | | | 1652 | FRA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Team 2023 - IDF Janvier | FRANCE | FRA | 2023-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1623 | 1.00 | 3 | -0.83 | 20 | -16.60 | |
| | Bourbon, Bernard | | | 1714 | FRA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Galampoix, Ernest | | | 1431 | FRA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Miu, Ion | | | 1477 | FRA | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | Team 2023 - Nationale 4 r4 | FRANCE | FRA | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1623 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Hamdaoui, Samran | | | 1223 * | FRA | 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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