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Individual Calculations July 2009 |
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| Koch, Alain Total change: 14.25 | |   |
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| Criteriums - R4-5 | IDF | FRA | 2009-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1995 | 1.00 | 1 | 0.44 | 15 | 6.60 | |
|  Mauffrey, Hugues | | | 1952 | FRA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | Criteriums - R6 | IDF | FRA | 2009-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1971 | 0.50 | 1 | -0.05 | 15 | -0.75 | |
|  Gauthier, Arnaud | | | 1938 | FRA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 1er Open d'Echecs FIDE d'Ermont | Ermont | FRA | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1971 | 2.50 | 4 | 0.33 | 15 | 4.95 | |
| | Collin, Jean-Philippe | | | 1700 | FRA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Jeannesson, Clement | | | 1842 | FRA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Richet, Vincent | | | 1957 | FRA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Pozdnjakov, Evgueniy | | | 2263 | FRA | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | 32e open Victor Syre | Issy les Moulineaux | FRA | 2009-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1971 | 3.00 | 4 | 0.23 | 15 | 3.45 | |
| | Aurel, Luc | f | | 2158 | FRA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Vlahovic, Dimitri | | | 1791 | FRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Gachet, Michel | | | 1634 | FRA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Veys, Vincent | | | 1621 | FRA | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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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