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Individual Calculations January 2010 |
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| Berrard, Pierre-Yves Total change: -29.50 | |   |
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| Nationale 4 - R3 | Various | FRA | 2009-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 1894 | 0.00 | 1 | -0.15 | 25 | -3.75 | |
|  Koelsch, Gilbert | | | 2185 | FRA | 0.00 | 1 | -0.15 | 25 | -3.75 | |
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) | | | | Nationale 4 - R4 | Various | FRA | 2009-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1894 | 0.00 | 1 | -0.37 | 25 | -9.25 | |
| | Merstorf, Denis | | | 1990 | FRA | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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) | | | | 6e Open International de Vandoeuvre - B | Vandoeuvre les Nancy | FRA | 2009-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1894 | 1.50 | 3 | -0.66 | 25 | -16.50 | |
| | Nonnenmacher, Daniel | | | 1694 | FRA | 0.50 | 1 | -0.26 | 25 | -6.50 | | | Antoine, Jean-Luc | | | 1638 | FRA | 1.00 | 1 | 0.19 | 25 | 4.75 | |  Klipper, Noemie | | | 1826 | FRA | 0.00 | 1 | -0.59 | 25 | -14.75 | |
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) | | |
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