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Individual Calculations April 2009 |
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| Le Pen, Steven Total change: 3.35 | |   |
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| 7e open international de Nantes | Nantes | FRA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1727 | 1.50 | 5 | 0.05 | 25 | 1.25 | |
|  Berthelot, Yannick | f | | 2077 | FRA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Primel, Dominique | | | 1985 | FRA | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Giraud, Thierry | | | 1959 | FRA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Le Gallo, Frederic | | | 2016 | FRA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Desnoes, Anne-Laure | | | 1498 | FRA | 1.00 | 1 | 0.21 | 25 | 5.25 | |
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) | | | NOTE: K factor changed | | Top Jeunes R4-5 | Hyeres - Nancy | FRA | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1723 | 1.00 | 1 | 0.33 | 15 | 4.95 | |
| | Venard, Paul-Andre | | | 1598 | FRA | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | NOTE: K factor changed | | Top Jeunes R6-7 | Hyeres - Nancy | FRA | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1723 | 1.00 | 2 | -0.09 | 15 | -1.35 | |
| | Kohi, Armand | | | 1695 | FRA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Devoille, Hugo | | | 1686 | 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) | | | NOTE: K factor changed | | Chpt PDL Jeunes - Pupilles | Suce sur Erdre | FRA | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1723 | 0.50 | 1 | -0.10 | 15 | -1.50 | |
| | Marie, Florian | | | 1653 | FRA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | |
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