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Individual Calculations January 2012 |
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| Zapata Arbelaez, Estiven Total change: -1.95 | |   |
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| World Youth Chess Championship - U 12 Open | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1960 | 4.50 | 7 | -0.13 | 15 | -1.95 | |
|  Sousa, Felipe Mazim De | | | 1730 | BRA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Chiku-Ratte, Olivier-Kenta | | | 2094 | CAN | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Vojdani, Siavosh | | | 1763 | IRI | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Goncalves, Leonardo Yamamoto Por | | | 1834 | BRA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Gonzalez, Gabriel | | | 1719 | ECU | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Nigmatov, Ortik | | | 1871 | UZB | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Amirzhanov, Rinat | | | 1823 | KAZ | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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