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Individual Calculations September 2009 |
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| Silveira Filho, Neri Da Silva Total change: -3.45 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2264 | 4.00 | 6 | -0.33 | 15 | -4.95 | |
|  Lucena, Helianto Dos Santos | | | 1949 | BRA | 1.00 | 1 | 0.14 | 15 | 2.10 | |  Macedo, Maximo Valerio | f | | 2120 | BRA | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Rodrigues, Flavio Leite | | | 1914 | BRA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Braga, Jose Pereira | | | 2017 | BRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Brito, Luismar | f | | 2364 | BRA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Pinto, Carlos Henrique Lopes | f | | 2097 | BRA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2273 | 4.50 | 6 | 0.10 | 15 | 1.50 | |
| | Jordao Barbosa, Marcio | | | 1873 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Lima Junior, Jose Arlindo Costa | | | 1914 | BRA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Da Costa, Jose Artanael Campos | | | 2051 | BRA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Macedo, Maximo Iack | | | 2304 | BRA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Silva, Alexsandro Lira | | | 2013 | BRA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Barreto Filho, Carlos Alberto | f | | 2257 | BRA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | * 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) | | |
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