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Individual Calculations September 2009 |
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| Martins, Vilker Germano Total change: -75.50 | |   |
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| XLIX Campeonato Brasiliense - Fase Semifinal II | Brasilia/DF | BRA | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2009 | 1.00 | 4 | -0.93 | 25 | -23.25 | |
|  Teixeira, Aloisio | | | 2005 | BRA | 1.00 | 1 | 0.49 | 25 | 12.25 | |  Coutinho, Sidnei Bissacot | | | 2163 | BRA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Silva, Agnaldo Braga | | | 1919 | BRA | 0.00 | 1 | -0.62 | 25 | -15.50 | | | Aguiar, Lucas | | | 2000 | BRA | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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) | | | | Continental Absolute Champioship 2009 | Sao Paulo Chess Club/SP | BRA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 2009 | 1.50 | 5 | -1.67 | 25 | -41.75 | |
| | Orsini, Antonio | | | 2376 | ARG | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Garcia, Liria Caetano | | | 1837 | BRA | 0.00 | 1 | -0.73 | 25 | -18.25 | | | Braga, Marcelo Melem | | | 1769 | BRA | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Elihimas, Frederico Gomes | | | 1825 | BRA | 0.00 | 1 | -0.74 | 25 | -18.50 | | | Ferreira, Jonas De Vargas | | | 1771 | BRA | 0.50 | 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) | | | NOTE: K factor changed | | XLIX Campeonato Brasiliense Absoluto - S. Final III | Brasilia/DF | BRA | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 2009 | 0.00 | 1 | -0.70 | 15 | -10.50 | |
| | Siqueira, Eugenio Vilela | | | 1857 | BRA | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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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