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Individual Calculations September 2011 |
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| Chiari, Arthur Gontijo Total change: -12.75 | |   |
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| FENAJ 2011 - Campeonato Brasileiro (sub-16) OPEN | Foz do Iguacu/PR | BRA | 2011-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2016 | 0.50 | 2 | -0.36 | 15 | -5.40 | |
|  Starke, Bruno Orlando | | | 2105 | BRA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Marques, Joao Paulo Cassemiro | | | 2032 | BRA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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) | | | | Zonal 2.4 - Open 2011 | Araruama/RJ | BRA | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2016 | 1.50 | 6 | -0.52 | 15 | -7.80 | |
| | Macedo, Maximo Iack | f | | 2314 | BRA | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Ferreira, Kleber Victor | | | 2099 | BRA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Brito, Luismar | f | | 2277 | BRA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Silva, Marcelo Dos Santos | | | 2038 | BRA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Palacios, Efrain | | | 2176 | PER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Pazos, Marco | | | 1985 | PER | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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) | | | | XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-14 Absoluto | Cali | COL | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 2034 | 4.00 | 7 | 0.03 | 15 | 0.45 | |
| | Estevez, Carlos Ariel | | | 1825 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Cuellar, Diego | f | | 2110 | PER | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Rojas Menor, Walter Alejandro | | | 1900 | PER | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Blandon, Luis Guillermo | | | 1974 | COL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Ruiz C, Joshua D | f | | 2148 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Velasco, Ricardo | | | 2008 | VEN | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Fonseca Manrique, Enrique | | | 1918 | MEX | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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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