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Individual Calculations January 2009 |
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| Ribeiro Jr, Valdir Uchoa Total change: -23.00 | |   |
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| Regional Centro Oeste 2008 | Brasilia/DF | BRA | 2008-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1986 | 0.50 | 2 | -0.43 | 25 | -10.75 | |
|  Perdomo, Leandro | m | | 2336 | ARG | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Sandrim Juliao, Tais | | | 1720 | BRA | 0.50 | 1 | -0.32 | 25 | -8.00 | |
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) | | | | XLVIII Campeonato Brasiliense Absoluto - Final | Brasilia/DF | BRA | 2008-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1986 | 0.00 | 1 | -0.49 | 25 | -12.25 | |
| | Reis, Ernesto Guevara | | | 1990 | BRA | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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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