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Individual Calculations January 2009 |
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| Chang, Suzana Total change: -26.25 | |   |
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| Regional Centro Oeste 2008 | Brasilia/DF | BRA | 2008-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2080 | 1.00 | 3 | -0.91 | 15 | -13.65 | |
|  Cardoso Junior, Cicero Assuncao | | | 1882 | BRA | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Teixeira, Aloisio Da Silva | | | 2001 | BRA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Shumyatsky, Victor | f | | 2052 | BRA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | 3ª Etapa Circuito IRT LXSBC 2008 | Sao Bernardo do Campo/SP | BRA | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2080 | 2.50 | 5 | -0.34 | 15 | -5.10 | |
| | Silva, Igor Dos Santos | | | 1962 | BRA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Aragao Neto, Joao Batista | | | 1875 | BRA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Da Costa, Fernando Viana | | | 2281 | BRA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Pereira, Amanda Marques | | wf | 1835 | BRA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Cominato Neto, Jose Luis | | | 2168 | BRA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | Lourenço Joao Cordioli Chess Open Brasil 2008 | Petrolina/PE | BRA | 2008-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2086 | 0.00 | 2 | -0.50 | 15 | -7.50 | |
| | Guimaraes, Diogo Duarte | | | 2225 | BRA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | De Oliveira Reis, Paulo Fernando | f | | 2332 | BRA | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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