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Individual Calculations September 2009 |
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| Marechal, Georges Total change: -51.25 | |   |
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| Belgisch Kampioenschap 2009 - Open | Saint-Servais (Namur) | BEL | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1924 | 0.00 | 1 | -0.74 | 25 | -18.50 | |
|  De Vettor, Maite | | | 1738 | BEL | 0.00 | 1 | -0.74 | 25 | -18.50 | |
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) | | | | 8ième Tournoi International du Pays de Charleroi | Roux (Charleroi) | BEL | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1924 | 0.50 | 4 | -1.31 | 25 | -32.75 | |
| | Tillet, Louis-Juan | | | 2190 | FRA | 0.50 | 1 | 0.32 | 25 | 8.00 | |  Hafner, Christian | | | 2115 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Tavernier, Frank | | | 1816 | BEL | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Ponnet, Geerard | | | 1748 | BEL | 0.00 | 1 | -0.73 | 25 | -18.25 | |
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) | | |
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