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Individual Calculations May 2010 |
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| Bastidas Tirado, Alfredo Total change: -7.80 | |   |
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| Campeonato Nacional Valladolid 2010 | Mazatlan, Sinaloa | MEX | 2010-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2175 | 1.50 | 3 | -0.69 | 15 | -10.35 | |
|  Olguin Soria, Naollin | | | 1775 * | MEX | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Perez Avendano, Paul Omar | f | | 2141 | MEX | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Meza Ponce, Fernando | | | 2012 | MEX | 0.50 | 1 | -0.22 | 15 | -3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Abierto Mexicano 2010 | Monterrey, N. L. | MEX | 2010-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2175 | 2.50 | 5 | 0.17 | 15 | 2.55 | |
| | Silva Carmona, Abraham | | | 1958 | MEX | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Espinosa Flores, Rafael Em | m | | 2405 | MEX | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Verduga Zavala, Denis | m | | 2338 | MEX | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Solis Luna, Jose Armando | | | 1983 | MEX | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Della Morte, Pablo | f | | 2319 | ARG | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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