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Individual Calculations May 2015 |
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| Boumaza, Amine Total change: 51.60 | |   |
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| 18e Open de la Bruche - open B (-1500) | ERGERSHEIM | FRA | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1246 | 2.50 | 3 | 1.29 | 40 | 51.60 | |
|  Grima, Francis | | | 1365 | FRA | 1.00 | 1 | 0.66 | 40 | 26.40 | |  McDonald, Margaret | | | 1295 | FRA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Backert, Noe | | | 1288 | FRA | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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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