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Individual Calculations October 2023 |
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| Da Silva, Joao Carlos Orguim Total change: 2.80 | |   |
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| Aberto Brasil III Niteroi Chess Open 2023 | Rio de Janeiro RJ | BRA | 2023-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1673 | 3.50 | 7 | 0.78 | 20 | 15.60 | |
|  Aranha Filho, Alvaro Z. | f | | 2205 | BRA | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Braganca, Joao Victor Marcal | | | 1215 | BRA | 1.00 | 1 | 0.05 | 20 | 1.00 | |  De Oliveira, Renan Figueiredo Cos | | | 1273 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bezerra, Natacio Goncalves | | | 1991 | BRA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Azevedo, Edmundo Roberto Ramos | | | 1874 | BRA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Nascimento, Daniel Rojas | | | 1909 | BRA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Baeta, Marcio Netto | | | 1862 | BRA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | III Floripa Spring Chess 2023 - U1700 | Florianopolis SC | BRA | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1673 | 2.50 | 4 | -0.64 | 20 | -12.80 | |
| | Orsini, Cesar Oliveira | | | 1273 * | BRA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Salamanca Paraguayo, Mateo | | | 1228 | BOL | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Flesch, Lucas Henrique Ye | | | 1596 | BRA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Melo, Sergio Roberto Sampaio | | | 1550 | BRA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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