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Individual Calculations July 2009 |
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| Perez Garcia, Rodrigo Total change: -6.75 | |   |
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| OLIMPIADA NACIONAL 2009 | CULIACAN, SINALOA | MEX | 2009-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1924 | 1.00 | 3 | -0.27 | 25 | -6.75 | |
|  Rojas Alarcon, Julian Anto | c | | 2271 | MEX | 0.50 | 1 | 0.39 | 25 | 9.75 | |  Medina Garcia, Manuel Alva | | | 1937 | MEX | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Garcia Quiroz, Omar Alejan | | | 1789 | MEX | 0.50 | 1 | -0.18 | 25 | -4.50 | |
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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