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Individual Calculations September 2012 |
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| Anamaria Estrada, Franco Total change: -44.70 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1741 | 1.50 | 4 | -1.49 | 30 | -44.70 | |
|  Aspiazu, Marlon | | | 1364 | ECU | 0.50 | 1 | -0.41 | 30 | -12.30 | |  Apaza Quispe, Nick Antonio | | | 1533 | PER | 0.00 | 1 | -0.77 | 30 | -23.10 | | | Bernal Navarrete, Marcelo | | | 1635 | CHI | 0.00 | 1 | -0.64 | 30 | -19.20 | | | Vasquez Jimenez, Cristhian | | | 1614 | PER | 1.00 | 1 | 0.33 | 30 | 9.90 | |
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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