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Individual Calculations January 2009 |
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| Costa, Jean-Yves Total change: 8.55 | |   |
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| N4 - R1 | Various | FRA | 2008-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1922 | 1.00 | 1 | 0.59 | 15 | 8.85 | |
|  Lebugle, Philippe | | | 1989 | FRA | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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) | | | | N4 - R2 | Various | FRA | 2008-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1922 | 1.00 | 2 | -0.02 | 15 | -0.30 | |
|  Ranquet, Jean-Luc | | | 2069 | FRA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Blanc, Regis | | | 1752 | FRA | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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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