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Individual Calculations September 2009 |
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| Kosminsky, Ellen Total change: -0.25 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1602 | 0.00 | 2 | -0.27 | 25 | -6.75 | |
|  Cardoso, Almir Correia | | | 1952 | BRA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Macedo, Luiz Soares De | | | 1892 | BRA | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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 |
| 1947 | 1602 | 0.50 | 2 | 0.26 | 25 | 6.50 | |
|  Da Costa, Jose Artanael Campos | | | 2002 * | BRA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Macedo, Luiz Soares De | | | 1892 | BRA | 0.50 | 1 | 0.34 | 25 | 8.50 | | | * 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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