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Individual Calculations July 2009 |
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| Marks, Andy Total change: 24.60 | |   |
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| IDF1 - R6 | IDF | FRA | 2009-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1810 | 1.00 | 1 | 0.34 | 15 | 5.10 | |
|  Atamian, Claude | | | 1694 | FRA | 1.00 | 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) | | | | 1st Chess Open Tour de Juvisy | Juvisy sur Orge | FRA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1842 | 4.00 | 6 | 1.30 | 15 | 19.50 | |
|  Talbi, Boumedienne | | | 2111 | FRA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Rasinaru, Alina Laura | | | 2009 | ROU | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Tardi, Oscar | | | 1711 | FRA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Basset, Come | | | 1644 | FRA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Faveau, Lionel | | | 1930 | FRA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Stojanovic, Vojislav | | | 1895 | FRA | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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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