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Individual Calculations May 2015 |
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| McDonald, Margaret Total change: 29.40 | |   |
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| Team 2015 - Ile de France - Part 3 | IDF | FRA | 2015-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1007 | 1285 | 1.00 | 1 | 0.17 | 20 | 3.40 | |
|  Durand, Jean Pierre | | | 1007 | FRA | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | 18e Open de la Bruche - open B (-1500) | ERGERSHEIM | FRA | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1295 | 2.50 | 3 | 1.30 | 20 | 26.00 | |
| | Genzling, Philippe | | | 1476 | FRA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Nussbicker, Patric | | | 1389 | FRA | 1.00 | 1 | 0.63 | 20 | 12.60 | |  Boumaza, Amine | | | 1246 | FRA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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