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Individual Calculations September 2012 |
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| Quirhuayo, Gonzalo Total change: 15.30 | |   |
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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 |
| 1950 | 1735 | 1.00 | 4 | -0.01 | 15 | -0.15 | |
|  Principe, Alexander | f | | 2130 | PER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Fernandez Perez, Jorge And | | | 2028 | PER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Martinez, Anthony | | | 1724 | PER | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Tapia Huerta, Joel | | | 1917 | PER | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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 10 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1715 | 3.00 | 4 | 1.03 | 15 | 15.45 | |
| | Rodriguez Mayorca, Daniel | | | 1647 | PER | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Falcon, Benjamin | | | 1563 | ARG | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kumar, Aravind | c | | 1947 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Diaz Rodriguez, Aldo Joaquim | | | 1734 | PER | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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