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Individual Calculations July 2013 |
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| Zabala, Fidel Total change: 13.50 | |   |
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| IRT III Open Internacional Ciudad Ortega 2013 | Ortega | COL | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1990 | 3.00 | 6 | 0.28 | 15 | 4.20 | |
|  Rios Parra, Alejandro | m | | 2349 | COL | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Cespedes Galindo, Estefania | | | 1779 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Pazos Gambarrotti, Plinio | m | | 2286 | ECU | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Velasquez, Angie Gabriela | | | 1776 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Perez Pineda, Elkin Dario | | | 2160 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Benavides Moncayo, Olga | | | 1881 | COL | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | IRT Open de Ajedrez "Dosquebradas Empresa de Todos" | Dosquebradas | COL | 2013-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 1990 | 2.50 | 5 | 0.62 | 15 | 9.30 | |
| | Ruge, Edison | | | 2228 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Castro, Oscar H | m | | 2349 | COL | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Arango, Santiago | | | 2073 | COL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Castro, Alexander | | | 2131 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Valencia Diaz, Yenny | | | 1654 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | |
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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