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Individual Calculations October 2021 |
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| Laznovsky, Jean-Yves Total change: -13.40 | |   |
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| 1er Tournoi Open de Septembre 2021 de Hyeres (-2200) | HYERES | FRA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1353 | 1.50 | 4 | -0.67 | 20 | -13.40 | |
|  Guellati, Norhene | | | 1132 | FRA | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Cochennec, Morgat | | | 1577 | FRA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Bronny, Titien | | | 1231 | FRA | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Pascal, Frederic | | | 1356 | FRA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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