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Individual Calculations May 2017 |
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| Santos, Ary Barbosa Total change: 31.60 | |   |
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| Regional Sudeste - Guarapari Chess Open | Guarapari ES | BRA | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1701 | 1.50 | 4 | 0.79 | 40 | 31.60 | |
|  Dos Reis, Alexandre Magno Pereira | | | 2021 | BRA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Lage, Sergio Correa Magalhaes | | | 2016 | BRA | 1.00 | 1 | 0.86 | 40 | 34.40 | |  De Almeida, Cleber Santos | | | 1851 | BRA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Cantarino Neto, Mario Ribeiro | | | 2006 | BRA | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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