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Individual Calculations September 2012 |
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| Stone, Ronnie Frank Pires Total change: -2.25 | |   |
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| Zonal Amazonas 2012 | Manaus/AM | BRA | 2012-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1928 | 3.00 | 5 | 0.69 | 15 | 10.35 | |
|  De Pontes E Souza, Jose Geraldo | | | 1906 | BRA | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Reis, Renan Do Carmo | | | 2307 | BRA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Benayon, Elismar Da Silva | | | 1814 | BRA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Souza Neves, Andrey M | | | 2140 | BRA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Arenillas, Nahuel Oliveira | | | 1692 | BRA | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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 |
| 1767 | 1928 | 4.00 | 7 | -0.84 | 15 | -12.60 | |
| | Jacome, Esteban | | | 1563 | ECU | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Roman Sanchez, Eduardo Zosimo | | | 1651 | PER | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Pinilla Delgado, Agustin Eduard | | | 1790 | CHI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Pichot, Alan | f | | 2287 | ARG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Murga, Caleb | | | 1758 | PER | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Diaz Rosas, Jose Martin | | | 1528 * | MEX | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Celestino, Raul | | | 1791 | PER | 0.50 | 1 | -0.18 | 15 | -2.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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