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Individual Calculations September 2012 |
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| Rojas, Steven Total change: 29.10 | |   |
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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 |
| 1701 | 1529 | 2.00 | 5 | 0.48 | 30 | 14.40 | |
|  Castillo Martinez, Paola | | | 1699 | PER | 1.00 | 1 | 0.72 | 30 | 21.60 | |  Aliaga Salinas, Rafael | | | 1929 * | PER | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Moreno Olivos, Lucas | | | 1330 | PER | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Rosales, Pierina | | wf | 1785 | PER | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Caballero Quijano, Mitzy M | | wf | 1762 | PER | 0.00 | 1 | -0.21 | 30 | -6.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 08 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1529 | 1.00 | 1 | 0.49 | 30 | 14.70 | |
| | Rodriguez Mayorca, Joseph | | | 1520 | PER | 1.00 | 1 | 0.49 | 30 | 14.70 | |
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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