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Individual Calculations September 2023 |
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| De Sousa, Daniel Aguiar Total change: 52.00 | |   |
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| IRT Memorial Aderson Borges de Carvalho | Fortaleza CE | BRA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1877 | 2.00 | 5 | -0.40 | 40 | -16.00 | |
|  Lennon, Aleister Edward Alexande | | | 2049 | BRA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Silveira, Jose Wanderley Maciel | | | 1754 | BRA | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Ferreira, Francisco Junio | | | 1767 | BRA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Ferreira Junior, Luiz Carlos A. | | | 1995 | BRA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Viana, Natanael Bezerra | | | 1902 | BRA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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 2000 | Fortaleza CE | BRA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1877 | 3.50 | 5 | 0.85 | 40 | 34.00 | |
| | Goldenbrain, Luiz Glaudivan Silva | | | 1589 | FID | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Cavalcante, Adriano Nunes | | | 1924 | BRA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Correia, Aristoteles De Jesus Ro | | | 1631 | BRA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Pereira, Silvio Cunha | m | | 2109 | BRA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Monteiro, Luis Felipe Furtado | | | 1977 | BRA | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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) | | | | Campeonato Amador de Xadrez 2023 Regiao Nordeste Sub 2300 | Fortaleza CE | BRA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1877 | 3.50 | 5 | 0.85 | 40 | 34.00 | |
| | Goldenbrain, Luiz Glaudivan Silva | | | 1589 | FID | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Cavalcante, Adriano Nunes | | | 1924 | BRA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Correia, Aristoteles De Jesus Ro | | | 1631 | BRA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Pereira, Silvio Cunha | m | | 2109 | BRA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Monteiro, Luis Felipe Furtado | | | 1977 | BRA | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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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