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Individual Calculations September 2009 |
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| Macedo, Luiz Soares De Total change: -7.25 | |   |
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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 | 1892 | 1.00 | 2 | 0.05 | 25 | 1.25 | |
|  Perdomo, Leandro | m | | 2242 | ARG | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Kosminsky, Ellen | | | 1602 | BRA | 1.00 | 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 |
| 1602 | 1892 | 0.50 | 1 | -0.34 | 25 | -8.50 | |
| | Kosminsky, Ellen | | | 1602 | BRA | 0.50 | 1 | -0.34 | 25 | -8.50 | |
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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