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Individual Calculations March 2015 |
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| Petkov, Vesselin Total change: 28.80 | |   |
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| Team 2015 - Ile de France - Part 2 | IDF | FRA | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1247 | 1447 | 1.00 | 1 | 0.24 | 20 | 4.80 | |
|  Grimaldi, Antonin | | | 1247 | FRA | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | Championnat individuel du Val de Marne 2015 (-1600) | MAISONS ALFORT | FRA | 2015-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1447 | 2.00 | 3 | 0.42 | 20 | 8.40 | |
| | Randrianarimanana, Alicia | | | 1280 | FRA | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Chahmirian, Armen | | | 1505 | FRA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Weintraub, Richard | | | 1492 | FRA | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | | | Open de Noisiel 2015 moins de 1600 | NOISIEL | FRA | 2015-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1447 | 2.50 | 3 | 0.78 | 20 | 15.60 | |
| | Henry, Aziliz | | | 1178 | FRA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Legrand, Francoise | | | 1524 | FRA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Annequin, Leon | | | 1445 | FRA | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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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