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Individual Calculations January 2011 |
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| Bernal Navarrete, Marcelo Total change: 15.75 | |   |
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| VII Sudamericano de la juventud 2010 - Sub - 10 Absoluto | Sucre - Bolivia | BOL | 2010-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1658 | 1.00 | 2 | 0.40 | 25 | 10.00 | |
|  Oliveira, Tiago Lopes | | | 1747 | BRA | 0.00 | 1 | -0.38 | 25 | -9.50 | |  Machaca Fernandez, Luis | | | 1874 | PER | 1.00 | 1 | 0.78 | 25 | 19.50 | |
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) | | | | CAMPEONATO PANAMERICANO DE AJEDREZ ESCOLAR - SUB 11 ABSOLUTO | LIMA, PERU | PER | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1658 | 1.00 | 2 | 0.23 | 25 | 5.75 | |
| | Bravo Jaramillo, Alexander | | | 1756 | ECU | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Tapia Vilcapaza, Jose Luis | | | 1729 | PER | 0.50 | 1 | 0.10 | 25 | 2.50 | |
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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