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Individual Calculations July 2009 |
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| Helfferich, Erik Total change: -14.00 | |   |
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| Criteriums - R4-5 | IDF | FRA | 2009-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1874 | 0.00 | 1 | -0.41 | 25 | -10.25 | |
|  Riabi, Tarek | | | 1942 | FRA | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | | IDF1 - R6 | IDF | FRA | 2009-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1874 | 0.50 | 1 | -0.15 | 25 | -3.75 | |
| | Delacourt, Frederic | | | 1764 | FRA | 0.50 | 1 | -0.15 | 25 | -3.75 | |
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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