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Individual Calculations November 2009 |
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| Oliveira, Silvio Eduardo Total change: -10.65 | |   |
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| Aberto do Brasil - Independencia | Americana/SP | BRA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2371 | 4.00 | 6 | -0.25 | 15 | -3.75 | |
|  Aragao Neto, Joao Batista | | | 1971 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Rodrigo Da Silva, Edson | | | 2009 | BRA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Aoyama, Edmundo | | | 1971 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Barbosa, Evandro Amorim | | | 2293 | BRA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Leitao, Rafael | g | | 2623 | BRA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Van Riemsdijk, Dirk D | | | 2213 | BRA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | * 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) | | | | Internacional Itapetiningano de Xadrez - Grupo A | Itapetininga/SP | BRA | 2009-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2371 | 5.00 | 8 | -0.58 | 15 | -8.70 | |
| | Quiroga, Facundo | m | | 2329 | ARG | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Utiyama, Marcel Heimar Ribeiro | | | 2152 | BRA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Lebredo Zaragoitia, Gerardo | m | | 2258 | CUB | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Suardi, Roberto Jr. | | | 2126 | BRA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Quiroga, Facundo | m | | 2329 | ARG | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Utiyama, Marcel Heimar Ribeiro | | | 2152 | BRA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Lebredo Zaragoitia, Gerardo | m | | 2258 | CUB | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Suardi, Roberto Jr. | | | 2126 | BRA | 0.50 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Campeonato Paulista Individual Absoluto | Itapetininga/SP | BRA | 2009-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2371 | 4.50 | 6 | 0.12 | 15 | 1.80 | |
| | Pontes, Ailton | | | 1974 | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Brandao, Renan Alves | | | 2046 | BRA | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Gomez, Gustavo Pizzocaro | | | 2176 | BRA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Lebredo Zaragoitia, Gerardo | m | | 2258 | CUB | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Van Riemsdijk, Dirk D | | | 2213 | BRA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Van Riemsdijk, Herman C | m | | 2385 | BRA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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