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Individual Calculations September 2009 |
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| Oliveira, Silvio Eduardo Total change: 13.65 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2360 | 5.00 | 6 | 0.52 | 15 | 7.80 | |
|  Rodrigues, Flavio Leite | | | 2010 | BRA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Silva Filho, Silvio Pereira | | | 2050 | BRA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Barata, Adriano Albiani | | | 2217 | BRA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Macedo, Maximo Valerio | f | | 2120 | BRA | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Barreto Filho, Carlos Alberto | f | | 2273 | BRA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Santiago, Yago De Moura | | | 2274 | BRA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | IRT Virada Esportiva Santista de Xadrez | Santos/SP | BRA | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2360 | 4.00 | 6 | -1.11 | 15 | -16.65 | |
| | Barbosa, Augusto Thebaldi | | | 2010 | BRA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Moreira, Ronaldo Alonso | | | 2021 | BRA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Assumpcao, Roberto | f | | 2234 | BRA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Rodrigues, Bruno Morado | | | 2010 | BRA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Gazola, Vanessa Ramos | | | 2010 | BRA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Cunico, Giuliano Bernardo | | | 2010 | BRA | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | Aberto do Brasil - Etapa Sete Lagoas | Sete Lagoas/MG | BRA | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2357 | 4.00 | 5 | 0.53 | 15 | 7.95 | |
| | Godinho, Walter De Sousa | | | 1957 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ribeiro, Sheridan Luiz Telles | | | 2043 | BRA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Rocha, Wellington Carlos | m | | 2439 | BRA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Chauca, Jose | | | 2086 | PER | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Rodi, Luis Ernesto | f | | 2375 | ARG | 0.50 | 1 | 0.03 | 15 | 0.45 | | | * 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) | | | | Continental Absolute Champioship 2009 | Sao Paulo Chess Club/SP | BRA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2357 | 6.50 | 11 | -0.48 | 15 | -7.20 | |
| | Guerrero, Hernando | | | 1985 | COL | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Ferreira, Euclides Roberto | | | 1960 | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Leon Hoyos, Manuel | g | | 2525 | MEX | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Barrera Meza, Carlos | | | 2177 | CHI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Bachmann, Axel | g | | 2559 | PAR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Gomez, Gustavo Pizzocaro | | | 2173 | BRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Ivanov, Alexander | g | | 2527 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Cominato Neto, Jose Luis | | | 2184 | BRA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | De Paiva, Pedro Henrique | | | 2195 | BRA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Madeira, Wagner Martins | | | 2184 | BRA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Calcado, Acyr Rogerio | | | 2201 | BRA | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | XIII Magistral de la Republica | Vicente Lopez | ARG | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2435 | 2357 | 5.00 | 9 | 1.45 | 15 | 21.75 | |
| | Fusco, Leonardo | f | | 2401 | ARG | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Trois, Francisco R.t. | m | | 2342 | BRA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Cori T., Deysi | | wm | 2390 | PER | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Obregon, Andres Carlos | | | 2406 | ARG | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Valerga, Diego | g | | 2507 | ARG | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Real De Azua, Ernesto | m | | 2453 | ARG | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Slipak, Sergio | g | | 2469 | ARG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Rodriguez Vila, Andres | g | | 2522 | URU | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Cori, Jorge | f | | 2424 | PER | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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