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Individual Calculations September 2011 |
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| Rocha, Vitor Firmo De Souza Total change: 5.10 | |   |
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| III Campeonato Paraibano Aberto Absoluto 2011 | Joao Pessoa/PB | BRA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1871 | 2.00 | 4 | 0.73 | 15 | 10.95 | |
|  Da Silva, Arthur Moura Viera | | | 2027 | BRA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | De Oliveira, Cledualdo Soares | | | 2075 | BRA | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Wanderley, Rodrigo | | | 1947 | POR | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Felix, Thiago Ribeiro | | | 1985 | BRA | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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 Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 1871 | 0.00 | 2 | -0.39 | 15 | -5.85 | |
| | Costa, Carlos Evanir | | | 2194 | BRA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Azevedo, Alcides Alexandre A | | | 2053 | BRA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | |
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