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Individual Calculations July 2009 |
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| Ibarra Cantu, Raul Alberto Total change: -11.10 | |   |
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| LV Campeonato Nacional Abierto de Ajedrez (1ra. Fuerza) | Toluca, Edo. de Mexico | MEX | 2009-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2083 | 0.50 | 3 | -0.74 | 15 | -11.10 | |
|  Real Pereyra, Diana Karime | | | 1872 | MEX | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Arribas Robaina, Maritza | | wg | 2336 | CUB | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gongora Montes, Benjamin | m | | 2251 | MEX | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | |
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