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Individual Calculations July 2009 |
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| Guevara Perez, Jorge Aleja Total change: 0.75 | |   |
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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 |
| 2239 | 2029 | 1.00 | 4 | 0.03 | 25 | 0.75 | |
|  Espinosa Flores, Rafael Em | m | | 2379 | MEX | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Floresvillar Gonzalez, Lui | c | | 2208 | MEX | 0.50 | 1 | 0.23 | 25 | 5.75 | |  Velazquez Martinez, Josue | | | 2189 | MEX | 0.50 | 1 | 0.21 | 25 | 5.25 | | | Navarrete Mendez, Gonzalo | | | 2180 | MEX | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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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