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Individual Calculations September 2011 |
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| Da Costa, Jose Artanael Campos Total change: -9.60 | |   |
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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 |
| 1856 | 2045 | 1.50 | 3 | -0.72 | 15 | -10.80 | |
|  Da Silva Filho, Ibernon Luiz | | | 1776 | BRA | 1.00 | 1 | 0.17 | 15 | 2.55 | |  De Lima, Daniel Meira Nobrega | | | 1867 | BRA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Almeida, Carlos Bruno Gomes | | | 1925 | BRA | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | Aberto do Brasil Xadrez Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2045 | 2.00 | 3 | 0.08 | 15 | 1.20 | |
| | Jordao Barbosa, Marcio | | | 1818 | BRA | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Da Silva Filho, Ibernon Luiz | | | 1776 | BRA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Lucas, Leone Moreno | | | 2198 | BRA | 1.00 | 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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