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Individual Calculations September 2011 |
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| Da Silva, Jose Almir Martins Total change: -67.50 | |   |
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| Zonal 2.4 - Open 2011 | Araruama/RJ | BRA | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 2078 | 0.50 | 4 | -1.51 | 30 | -45.30 | |
|  Matsuura, Everaldo | g | | 2478 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Pluschkat, , Gustavo Ranulpho | | | 1942 | BRA | 0.00 | 1 | -0.68 | 30 | -20.40 | | | Dos Santos Jr, Braulio | | | 2016 | BRA | 0.00 | 1 | -0.59 | 30 | -17.70 | | | Ferreira, Jose Carlos | | | 1960 | BRA | 0.50 | 1 | -0.16 | 30 | -4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Aberto do Brasil Xadrez Brasil Open 2011 | Rio de Janeiro/RJ | BRA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2078 | 1.00 | 3 | -0.74 | 30 | -22.20 | |
| | Limp, Eduardo Thelio | m | | 2383 | BRA | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Siqueira, Allan De Sousa | | | 1936 | BRA | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Diaz, Marcos | | | 1697 | BRA | 0.00 | 1 | -0.91 | 30 | -27.30 | |
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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