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Individual Calculations December 2021 |
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| Roy, Alain Total change: -3.20 | |   |
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| Team 2022 - Nationale 4 r2 | FRANCE | FRA | 2021-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1810 | 0.00 | 1 | -0.43 | 20 | -8.60 | |
|  Acco, David | | | 1859 | FRA | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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) | | | | Championnat des Yvelines Seniors plus et Veterans 2021 r1-2 | MAGNY LES HAMEAUX | FRA | 2021-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1810 | 2.00 | 2 | 0.27 | 20 | 5.40 | |
| | Fosse, Jean-Claude | | | 1410 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Branson, James | | | 1555 | FRA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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