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Individual Calculations December 2019 |
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| Rojas Salas, Rihanna Irina Total change: 9.20 | |   |
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| VIII Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2019-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1157 | 1066 | 3.00 | 5 | 1.07 | 40 | 42.80 | |
|  Ramirez Mori, Angel Farid | | | 1113 | PER | 1.00 | 1 | 0.57 | 40 | 22.80 | |  Reyes Zavaleta, Sergio Gabriel | | | 1068 | PER | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Ccana Minauro, Wernher Sebastian | | | 1243 | PER | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Reyes Zavaleta, Diego Alexander | | | 1358 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Coaquira Gonzales, Oscar Adriano | | | 1005 | PER | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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) | | | | X Festival Panamericano Escolar de las Americas -Colombia 2019- U-7 Absoluto | Medellin | COL | 2019-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1066 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
| | Atiencia Merino, Jose Luis | | | 1256 | ECU | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | IX Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2019-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1066 | 0.00 | 2 | -0.59 | 40 | -23.60 | |
| | Reyes Zavaleta, Diego Alexander | | | 1378 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Ramirez Mori, Angel Farid | | | 1099 | PER | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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