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Individual Calculations January 2011 |
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| Marra, Eduardo Da Costa Total change: 37.20 | |   |
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| 77º Campeonato Brasileiro Absoluto - Semifinal Região 1 | Sao Paulo/SP | BRA | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2301 | 2268 | 4.00 | 7 | 0.84 | 15 | 12.60 | |
|  Lopes, Marcelo Ferreira | | | 2002 | BRA | 1.00 | 1 | 0.18 | 15 | 2.70 | |  Disconzi Da Silva, Rodrigo | m | | 2373 | BRA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Matsuura, Everaldo | m | | 2484 | BRA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Gattass, Allan | | | 2234 | BRA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Tsuboi, Edson Kenji | m | | 2394 | BRA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Bueno, Alfeu Junior Varela | f | | 2303 | BRA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Terao, Rodrigo Akira | f | | 2317 | BRA | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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 Internacional de Xadrez Itaipu Binacional | Curitiba/PR | BRA | 2010-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2273 | 4.00 | 5 | 1.06 | 15 | 15.90 | |
| | Aguiar, Djalma | | | 1947 | BRA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Matsuura, Everaldo | m | | 2490 | BRA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Ferreira, Euclides Roberto | | | 2095 | BRA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Pires, Marcos Vinicius Torsani | | | 2121 | BRA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Souza, Adwilhans Luciano | f | | 2331 | BRA | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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) | | | | I Magistral de Xadrez da RECRA | Ribeirao Preto/SP | BRA | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2273 | 4.00 | 5 | 0.58 | 15 | 8.70 | |
| | Costa, Joao Carlos Da | | | 1972 | BRA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Proudian, Armen | c | | 2104 | BRA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Barbosa, Evandro Amorim | f | | 2352 | BRA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Oliveira, Fernando Henrique | | | 2032 | BRA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Name, Gabriel Ricardo Salim | | | 2153 | BRA | 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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