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Individual Calculations July 2009 |
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| Pytel, Bozena Total change: -3.00 | |   |
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| Belgian National Team Championship 2008-2009 | Various | BEL | 2008-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1959 | 0.00 | 1 | -0.52 | 15 | -7.80 | |
|  Noseda, Jean-Michel | | | 1945 | BEL | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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 - R8-9 | Various | FRA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1959 | 0.50 | 2 | -0.27 | 15 | -4.05 | |
| | Houriez, Alain | | | 2073 | FRA | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Miller, Vincent | | | 2011 | FRA | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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 |
| 1867 | 1960 | 3.00 | 4 | 0.59 | 15 | 8.85 | |
| | Rousselin, Marc | | | 1610 | FRA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Marchandise, Frederic | | | 1862 | FRA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Levesque, Thomas | | | 1950 | FRA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Vincent, Didier | | | 2045 | FRA | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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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