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Individual Calculations January 2013 |
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| Santiago Vilca, Christian Total change: 18.75 | |   |
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| IX Sudamericano de la juventud 2012 - Sub - 12 Open | Cochabamba | BOL | 2012-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1566 | 2.50 | 4 | 1.25 | 15 | 18.75 | |
|  Putare, Rodrigo | | | 1735 | BOL | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Bernal Navarrete, Marcelo | | | 1643 | CHI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Sica, Mauro | | | 1614 | ARG | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Avila, Carlos | c | | 1860 | BOL | 0.50 | 1 | 0.35 | 15 | 5.25 | |
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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