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Individual Calculations July 2009 |
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| Talbi, Boumedienne Total change: 16.80 | |   |
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| N4 - R7 | Various | FRA | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2111 | 1.00 | 1 | 0.38 | 15 | 5.70 | |
|  Melloul, Claude | | | 2023 | FRA | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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) | | | | 1st Chess Open Tour de Juvisy | Juvisy sur Orge | FRA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2111 | 2.50 | 5 | -0.08 | 15 | -1.20 | |
| | Gaillet, Philippe | | | 1761 | FRA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Marks, Andy | | | 1842 | FRA | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Goldsztejn, Gildas | m | | 2407 | FRA | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Song, Julien | f | | 2318 | FRA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Etrog, Jonathan | | | 2123 | FRA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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 étape) - B | Evry | FRA | 2009-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2111 | 5.50 | 7 | 0.82 | 15 | 12.30 | |
| | Gidel, Jean-Louis | | | 2159 | FRA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Baumhauer, Christian | | | 2076 | FRA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Dureau, Laurent | | | 1890 | FRA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Salasc, Yves | | | 1903 | FRA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Mokri, Siegfried | | | 2049 | FRA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Stojanovic, Vojislav | | | 1895 | FRA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Simon, Benoit | | | 1895 | FRA | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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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