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Individual Calculations January 2012 |
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| Vintimilla Pena, Amarelis Total change: 16.65 | |   |
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| XVII Juegos Deportivos Sudamericanos Escolares -Ajedrez Clasico- | Bogota | COL | 2011-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1656 | 2.00 | 3 | 1.11 | 15 | 16.65 | |
|  Rodrigues, , Vanessa Ketlyn Sousa | | | 1752 | BRA | 1.00 | 1 | 0.63 | 15 | 9.45 | |  Rojas, Andrea Lizeth | | | 1827 | COL | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Felix Vega, Aurora Edith | | wf | 1850 | PER | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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