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Individual Calculations September 2009 |
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| Macedo, Maximo Valerio Total change: 4.80 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2120 | 2.00 | 5 | 0.41 | 15 | 6.15 | |
|  Silveira Filho, Neri Da Silva | | | 2264 | BRA | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Oliveira, Silvio Eduardo | | | 2360 | BRA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Jatoba De Oliveira Reis, Paulo | f | | 2309 | BRA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Perdomo, Leandro | m | | 2424 | ARG | 0.00 | 1 | -0.14 | 15 | -2.10 | | | De Andrade, Dalson Holanda Caval | | | 1977 | BRA | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2120 | 2.00 | 3 | -0.09 | 15 | -1.35 | |
| | Da Silva, Izael Brasilino Araujo | | | 1867 | BRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Bonifacio, Lucas Isaac Galdino | | | 1866 | BRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Carvalho, Felipe Lobo C. | | | 2141 | BRA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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