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Individual Calculations September 2012 |
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| Principe, Alexander Total change: 28.65 | |   |
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| II Open IRT " Circulo Peruano de Ajedrez" | Lima | PER | 2012-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2130 | 5.00 | 6 | 0.79 | 15 | 11.85 | |
|  Quirhuayo, Gonzalo | f | | 1735 | PER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Suyo, Adrian | | | 1847 | PER | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Martinez Alcantara, Jose E | f | | 2023 | PER | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Aliaga Salinas, Rafael | | | 1966 | PER | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Retamozo, Kevin | | | 1858 | PER | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Fernandez, Fernando | | | 2326 | PER | 0.50 | 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) | | | | XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 16 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2154 | 6.50 | 9 | 1.12 | 15 | 16.80 | |
| | Gonzalez Lopez, Nicolas Mateo | | | 1814 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Cisneros Avendano, Diego | | | 1909 | PER | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Rojas Menor, Walter Alejandro | | | 1982 | PER | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Aguilar, Luciano | | | 2002 | PER | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Fernandez Perez, Jorge Andres | | | 2053 | PER | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Supi, Luis Paulo | | | 2290 | BRA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Chiari, Arthur Gontijo | f | | 2010 | BRA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Cuellar, Diego | f | | 2272 | PER | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Ruiz C, Joshua D | f | | 2318 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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