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Individual Calculations February 2015 |
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| Costa, Jean-Yves Total change: -7.60 | |   |
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| 227 open FIDE du club 608 (-2200 elo) | PARIS | FRA | 2015-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1769 | 1.50 | 4 | 0.12 | 20 | 2.40 | |
|  Masset, Jacques | | | 2058 | FRA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Mapelle, Jacques | | | 1829 | MNC | 1.00 | 1 | 0.58 | 20 | 11.60 | |  Djukic, Victor | | | 1881 | FRA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Benusilho, Laurent | | | 1803 | FRA | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | 5e Open Fide Inter Chess - Tournoi A (1700-2099) | PARIS | FRA | 2015-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1769 | 1.00 | 4 | -0.50 | 20 | -10.00 | |
| | Ballatore, Gerard | | | 1915 | FRA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Pham, Arthur | | | 1841 | FRA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Warr-Esser, Alexandre | | | 1805 | FRA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Djukic, Victor | | | 1881 | FRA | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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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