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Individual Calculations July 2011 |
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| Alcarraz, David Total change: -48.50 | |   |
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| Torneo Open IRT Verano 2011 | LIMA, PERU | PER | 2011-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1865 | 1.00 | 2 | 0.13 | 25 | 3.25 | |
|  Vera Siguenas, Deivy | f | | 2265 * | PER | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Rengifo Blancas, Renzo Jho | | | 1631 | PER | 1.00 | 1 | 0.21 | 25 | 5.25 | | | * 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) | | | | TORNEO IRT SANTISIMO NOMBRE DE JESUS 2011 -1 | SAN BORJA | PER | 2011-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1865 | 1.50 | 5 | -2.07 | 25 | -51.75 | |
| | Ugarelli, Juan | | | 1524 | PER | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Perez, Christopher | | | 1699 | PER | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Perez, Christopher | | | 1699 | PER | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Nanez, Daniel | | | 1512 | PER | 0.50 | 1 | -0.39 | 25 | -9.75 | | | De La Cruz, Jonathan | | | 1964 | PER | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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) | | |
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