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Individual Calculations September 2012 |
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| Machaca Fernandez, Luis Total change: -43.80 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1794 | 3.50 | 6 | -1.46 | 30 | -43.80 | |
|  Inciso Vera, Luis Angel | | | 1438 | PER | 1.00 | 1 | 0.11 | 30 | 3.30 | | | Apaza Quispe, Nick Antonio | | | 1533 | PER | 0.50 | 1 | -0.32 | 30 | -9.60 | |  Vilca, Javier | | | 1568 | PER | 0.50 | 1 | -0.29 | 30 | -8.70 | | | Santiago Vilca, Christian | | | 1505 | PER | 0.00 | 1 | -0.84 | 30 | -25.20 | | | Solis, Arturo | | | 1405 | PER | 1.00 | 1 | 0.09 | 30 | 2.70 | | | Bernal Navarrete, Marcelo | | | 1635 | CHI | 0.50 | 1 | -0.21 | 30 | -6.30 | |
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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