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Individual Calculations September 2012 |
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| Aliaga Salinas, Rafael Total change: -8.55 | |   |
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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 |
| 1951 | 1966 | 1.50 | 4 | -0.57 | 15 | -8.55 | |
|  Cruz Pereyra, Andresantoni | | | 1772 | PER | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Principe, Alexander | f | | 2130 | PER | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Puppi Lazo, Jorge Luis | | | 1873 | PER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Fernandez Perez, Jorge And | | | 2028 | PER | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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