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Individual Calculations March 2023 |
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| Marcal, David Hakak Total change: 40.00 | |   |
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| XXX IRT da Hebraica | Sao Paulo SP | BRA | 2023-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1285 | 0.50 | 2 | 0.22 | 40 | 8.80 | |
|  Borger, David Lupovici | | | 1863 | BRA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Serafim, Paulo Rogerio | | | 1468 | BRA | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | Araraquara Chess Open STD Aberto do Brasil | Araraquara SP | BRA | 2023-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1285 | 1.00 | 5 | 0.78 | 40 | 31.20 | |
| | Pimentel, Rafael Favarin G. | | | 1931 | BRA | 1.00 | 1 | 0.99 | 40 | 39.60 | |  Soares, Renan Barbosa Monteiro | c | | 1964 | BRA | 0.00 | 1 | -0.01 | 40 | -0.40 | | | De Godoy, Fernando Andre Rolfsen | | | 1813 | BRA | 0.00 | 1 | -0.03 | 40 | -1.20 | | | De Almeida, Guilherme Pereira | | | 1790 | BRA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Eto, Fabio Luis | | | 1609 | BRA | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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