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Individual Calculations January 2009 |
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| Costa, Pierre-Jean Total change: 7.80 | |   |
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| N2 - R1 | Various | FRA | 2008-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1876 | 1.00 | 1 | 0.63 | 15 | 9.45 | |
|  Makhlouf, Youmna | | wf | 1973 | LIB | 1.00 | 1 | 0.63 | 15 | 9.45 | |
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) | | | | N2 - R2-3 | Various | FRA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1876 | 0.50 | 1 | -0.11 | 15 | -1.65 | |
| | Coussot, Jean-Claude | | | 1799 | 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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