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Individual Calculations September 2012 |
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| Cori Quispe, Kevin Total change: 25.05 | |   |
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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 |
| 1843 | 1990 | 2.50 | 5 | -0.94 | 15 | -14.10 | |
|  Sanchez Zambrano, Vanessa | | | 1760 | PER | 0.00 | 1 | -0.79 | 15 | -11.85 | |  Puppi Lazo, Jorge Luis | | | 1873 | PER | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Cruz Pereyra, Andresantoni | | | 1772 | PER | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Rosales, Pierina | | wf | 1785 | PER | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Martinez Alcantara, Jose E | f | | 2023 | PER | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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 14 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2017 | 6.50 | 8 | 2.61 | 15 | 39.15 | |
| | Guzman, Christian | | | 1703 | PER | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Borda, Cesar | | | 1866 | BOL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Barros Rivadeneira, Cristhian | f | | 2193 | ECU | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Lim, Michael | c | | 2068 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Lemos, Dawton Almino | | | 1957 | BRA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Pichot, Alan | f | | 2287 | ARG | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Martinez Alcantara, Jose Eduardo | f | | 2155 | PER | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Chong Chinchay, Eric Joel | | | 1966 | PER | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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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