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Individual Calculations October 2008 |
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| Costa, Jean-Yves Total change: -47.10 | |   |
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| Festival International d'échecs Jean-Claude Loubatière - A | Montpellier | FRA | 2008-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1969 | 1.00 | 5 | -2.10 | 15 | -31.50 | |
|  Ringuet, Noe | | | 1872 | FRA | 0.00 | 1 | -0.63 | 15 | -9.45 | |  Canterel, Remi | | | 1771 | FRA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Sergent, Marcel | | | 1923 | FRA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Py, Walter | | | 2117 | FRA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Perraut, Arnaud | | | 1670 | FRA | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | Tournoi de 40 ans de l'échiquier Nîmois | Nimes | FRA | 2008-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1969 | 0.50 | 3 | -1.04 | 15 | -15.60 | |
| | Dubreuil, Julien | f | | 2280 | FRA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Moretti, Jean-Paul | | | 1734 | FRA | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Laval, Hubert | | | 1889 | FRA | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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