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Individual Calculations July 2009 |
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| Guillaumat, Jean-Pierre Total change: -2.55 | |   |
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| N4 - R6 | Various | FRA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1956 | 1.00 | 1 | 0.44 | 15 | 6.60 | |
|  Althoffer, Cyrille | | | 1916 | FRA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | N4 - R7 | Various | FRA | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1957 | 0.00 | 1 | -0.51 | 15 | -7.65 | |
|  Guerineau, Gregoire | | | 1948 | FRA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | | | Open de Louviers | Louviers | FRA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1957 | 1.50 | 3 | -0.10 | 15 | -1.50 | |
| | Josse, Sebastien | | | 1800 | FRA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Vincent, Didier | | | 2045 | FRA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Goy, Wilfried | | | 1953 | FRA | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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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