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Individual Calculations July 2009 |
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| Brumant, Jean-Claude Total change: -27.75 | |   |
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| Criteriums - R4-5 | IDF | FRA | 2009-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1757 | 0.00 | 1 | -0.34 | 15 | -5.10 | |
|  Gattuso, Christophe | | | 1871 | FRA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | Ile de France 1 - R7 | IDF | FRA | 2009-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1752 | 1.00 | 1 | 0.45 | 15 | 6.75 | |
| | Laugie, Guy | | | 1717 | FRA | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | 1st Chess Open Tour de Juvisy | Juvisy sur Orge | FRA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1752 | 0.00 | 3 | -0.60 | 15 | -9.00 | |
| | Villeneuve, Alain | m | | 2102 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Marks, Edwin | | | 1896 | FRA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Belardello, Mario-Jovani | | | 2019 | FRA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 1er Grand prix de l'Essonne (2e etape) - C | Evry | FRA | 2009-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1752 | 1.00 | 4 | -1.36 | 15 | -20.40 | |
| | Saunier, Jean-Francois | | | 1668 | FRA | 0.00 | 1 | -0.62 | 15 | -9.30 | |  Vallejos, Carlos | | | 1437 | PER | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Farwagi, Fouad-Pierre | | | 1738 | FRA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Bouville, David | | | 1851 | FRA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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