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Individual Calculations September 2023 |
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| Da Fonseca Pinto, Joao Gabriel Al Total change: 16.60 | |   |
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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 |
| 2063 | 1781 | 2.00 | 4 | 1.30 | 20 | 26.00 | |
|  Lennon, Aleister Edward Alexande | | | 2049 | BRA | 0.50 | 1 | 0.33 | 20 | 6.60 | |  Siqueira, Alexandre Carneiro | | | 2129 | BRA | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Brasil, Joahaby Batista | | | 1895 | BRA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Lemos, Dawton Almino | f | | 2180 | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 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 |
| 1892 | 1781 | 1.00 | 4 | -0.47 | 20 | -9.40 | |
| | Dos Santos, Joao Mateus Araujo | | | 2013 | BRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Leite, Italo Andre Medeiros | | | 1889 | BRA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Amorim, Gidelson Ferreira | | | 2106 | BRA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Fernandes Neto, Vitorino Orthiges | | | 1558 | BRA | 0.50 | 1 | -0.28 | 20 | -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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