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Individual Calculations September 2011 |
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| Da Silva Filho, Ibernon Luiz Total change: -16.50 | |   |
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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 |
| 2111 | 1776 | 0.00 | 2 | -0.25 | 30 | -7.50 | |
|  Cavalcanti, Francisco De Assis | f | | 2176 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Da Costa, Jose Artanael Campos | | | 2045 | BRA | 0.00 | 1 | -0.17 | 30 | -5.10 | | | * 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 Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 1776 | 0.00 | 2 | -0.30 | 30 | -9.00 | |
|  Barbosa, Eugenio Seve De Melo | | | 2095 | BRA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Da Costa, Jose Artanael Campos | | | 2045 | BRA | 0.00 | 1 | -0.17 | 30 | -5.10 | |
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) | | |
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