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Individual Calculations March 2023 |
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| Nobre, Jailson Altair Barbosa Total change: -19.20 | |   |
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| XXX IRT da Hebraica | Sao Paulo SP | BRA | 2023-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1644 | 2.00 | 4 | -0.70 | 20 | -14.00 | |
|  Aparecido Silva, Haroldo | | | 1824 | BRA | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Fernandes, Beatriz | | | 1404 | BRA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | De Oliveira, Yuri Crisostomo | | | 1401 | BRA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Davidovici, Ariel Roizenblatt | | | 1358 | BRA | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | Araraquara Chess Open STD Aberto do Brasil | Araraquara SP | BRA | 2023-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1644 | 0.00 | 2 | -0.26 | 20 | -5.20 | |
| | Fernandes, Rene | | | 2007 | BRA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Pimentel, Rafael Favarin G. | | | 1931 | BRA | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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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