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Individual Calculations September 2010 |
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| Martinez Alcantara, Jose Eduardo Total change: 21.45 | |   |
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| 6th World School Chess Championships-U11 | Kayseri | TUR | 2010-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1917 | 3.00 | 5 | -0.63 | 15 | -9.45 | |
|  Ozgur, Tibet Kagan | | | 1565 | TUR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Vatansever, Berk | | | 1720 | TUR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Asgharzadeh, M.reza | | | 1931 | IRI | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Sevgi, Volkan | | | 1825 | TUR | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Ozen, Bahadir | | | 1575 | TUR | 0.00 | 1 | -0.88 | 15 | -13.20 | |
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) | | | | Festival Panamericano da Juventude 2010 - U 12 Open | Bento Goncalves - Rio Grande do Sul - BRA | BRA | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1917 | 4.50 | 7 | 2.06 | 15 | 30.90 | |
| | Acosta, Pablo Ismael | f | | 2029 | ARG | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Pichot, Alan | f | | 2197 | ARG | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Cori Quispe, Kevin | | | 2001 | PER | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Sosa, Tomas | | | 1994 | ARG | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Leon Magallanes, Isaac | | | 1905 | ECU | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Williams, Justus D | | | 2200 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Barros Rivadeneira, Cristian | | | 1930 | ECU | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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