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Individual Calculations May 2010 |
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| Bonas, Jean-Marie Total change: 30.30 | |   |
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| 3e Open d'échecs de la Choisille en Touraine - A | La Membrolle sur Choisille | FRA | 2010-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1654 | 2.50 | 4 | 2.02 | 15 | 30.30 | |
|  Hubert, Raphael | | | 1993 | FRA | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Vidal, Llewellyn | | | 2011 | FRA | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Egreteau, Eric | | | 2009 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Humeau, Mickael | | | 1963 | FRA | 0.50 | 1 | 0.36 | 15 | 5.40 | |
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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