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Individual Calculations September 2012 |
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| Castillo Martinez, Paola Total change: -16.80 | |   |
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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 |
| 1724 | 1699 | 0.50 | 1 | 0.03 | 15 | 0.45 | |
|  Martinez, Anthony | | | 1724 | PER | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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 Femenino Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1726 | 0.50 | 2 | -1.15 | 15 | -17.25 | |
|  Francia Arzapalo, Gianella | | | 1433 | PER | 0.00 | 1 | -0.85 | 15 | -12.75 | | | Ruiztipantasig, Mishell | | | 1483 | ECU | 0.50 | 1 | -0.30 | 15 | -4.50 | |
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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