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Individual Calculations November 2009 |
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| Ait Chaouche, Samy Total change: 14.55 | |   |
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| Nord Pas de Calais 1 - R1 | NPC | FRA | 2009-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2023 | 1.00 | 1 | 0.50 | 15 | 7.50 | |
|  Vandemeulebrouck, Renaud | | | 2026 | FRA | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | | | Nationale 3 - R2-3 | Various | FRA | 2009-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2023 | 1.50 | 2 | 0.47 | 15 | 7.05 | |
| | Guidez, Thomas | | | 1988 | FRA | 1.00 | 1 | 0.45 | 15 | 6.75 | |  Mayer, Philippe | | | 2037 | FRA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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