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Individual Calculations September 2023 |
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| De Souza Junior, Luiz Carlos M Total change: -47.20 | |   |
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| VIII Aberto do Brasil de Xadrez Taca Cidade de Teresina | Teresina PI | BRA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1658 | 0.50 | 3 | 0.12 | 40 | 4.80 | |
|  Soares, Joaquim Domingos | | | 2141 | BRA | 0.50 | 1 | 0.45 | 40 | 18.00 | |  Carvalho, Lazaro Miranda | | | 1928 | BRA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Hopka, Matheus Marchesi | | | 1940 | BRA | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | Campeonato Amador de Xadrez 2023 Regiao Nordeste Sub 1700 | Fortaleza CE | BRA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1658 | 2.00 | 5 | -1.30 | 40 | -52.00 | |
| | Da Silva, Marcelo Souza | | | 1406 | BRA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Da Paixao, Irineu Vieira | | | 1661 | BRA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Silveiro, Miguel Hedler | | | 1555 | BRA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Machado, Alessandro Mathias | | | 1651 | BRA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Lopes, Francisco Bernadino | | | 1378 | BRA | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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