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Individual Calculations September 2012 |
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| Aleman Hernandez, Andres Total change: 9.15 | |   |
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| Campeonato Nacional Sub 20 Varonil 2012 | MEXICO DF | MEX | 2012-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2152 | 1.00 | 2 | -0.22 | 30 | -6.60 | |
|  Lopez Raygoza, Luis Albert | | | 2009 | MEX | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Benitez Lozano, Javier | | | 2133 | MEX | 0.00 | 1 | -0.53 | 30 | -15.90 | |
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) | | | NOTE: K factor changed | | XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 18 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2152 | 5.50 | 8 | 1.05 | 15 | 15.75 | |
|  Reinozo Trelles, Eduardo | | | 1971 | ECU | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Luna Choquecota, Daniel | | | 1797 | PER | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Singh, Vishnu | | | 2023 | TRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Diaz Rosas, Julio Cesar | | | 2138 | MEX | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Ayala Pena, Eduardo Azael | c | | 2180 | MEX | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Ochoa De La Rosa, Manuel Dario | | | 2247 | CUB | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Leiva, Giuseppe | f | | 2223 | PER | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Fisher, William | | | 2226 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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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