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Individual Calculations January 2012 |
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| De Carvalho, Igor Lorenzon Total change: -9.30 | |   |
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| World Youth Chess Championship - U 14 Open | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1840 | 2.50 | 8 | -0.93 | 30 | -27.90 | |
|  Ali Marandi, Cemil Can | f | | 2240 * | TUR | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Markoja, Boris | | | 2108 | SLO | 0.50 | 1 | 0.33 | 30 | 9.90 | |  Novoa, Fernando | | | 2048 | ARG | 0.50 | 1 | 0.27 | 30 | 8.10 | | | Galls Aguirre, Jorge | | | 2037 | ECU | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Leon Magallanes, Isaac | | | 2008 | ECU | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Supo, Caso Christian | | | 1648 | PER | 0.00 | 1 | -0.75 | 30 | -22.50 | | | Saavalainen, Ellis | | | 1490 | FIN | 0.00 | 1 | -0.89 | 30 | -26.70 | | | Tuarez, Francisco | | | 1623 | ECU | 1.00 | 1 | 0.22 | 30 | 6.60 | | | * 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) | | | | II Open de Xadrez de Batatais | Batatais/SP | BRA | 2011-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1855 | 1840 | 3.00 | 5 | 0.62 | 30 | 18.60 | |
| | Dos Santos, Agildo Silva | | | 1604 | BRA | 1.00 | 1 | 0.20 | 30 | 6.00 | | | Rodrigues, Joao Victor Da Silva | | | 1761 | BRA | 0.50 | 1 | -0.11 | 30 | -3.30 | | | Abdalla, Jose Lucas Aurelli | | | 2020 | BRA | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Aoyama, Edmundo | | | 1920 | BRA | 0.50 | 1 | 0.11 | 30 | 3.30 | | | Haddad Filho, Paulo Ibrahim | | | 1972 | BRA | 0.50 | 1 | 0.18 | 30 | 5.40 | |
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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