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| 41 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1201 | 984 | 3.00 | 8 | 0.87 | 20 | 17.40 | |
|
 Jimenez Salas, Maria Teresa | | | 1533 | PER | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| Acuna Alarcon, Claudia Micaela | | | 1285 | PER | 0.00 | 1 | -0.15 | 20 | -3.00 | |
 Jimenez Salas, Fabiana | | | 1009 | PER | 0.00 | 1 | -0.47 | 20 | -9.40 | |
| Espichan Serna, Magaly Del Rosari | | | 1020 | PER | 1.00 | 1 | 0.55 | 20 | 11.00 | |
| Vilca Contreras, Dante Ivan | | | 1132 | PER | 0.00 | 1 | -0.30 | 20 | -6.00 | |
| Coaquira Gonzales, Oscar Adriano | | | 1019 | PER | 1.00 | 1 | 0.55 | 20 | 11.00 | |
| Ramirez Espino, Alessandro | | | 1212 | PER | 1.00 | 1 | 0.79 | 20 | 15.80 | |
| Riveros Rodriguez, Yeral Manuel | | | 1397 | PER | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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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| 42 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 984 | 0.50 | 5 | -0.10 | 20 | -2.00 | |
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| Garcia Andrada, Heidy Nicole | | wf | 1719 | PER | 0.00 | 1 | -0.01 | 20 | -0.20 | |
| Farfan Tipacti, Camilo | | | 1168 | PER | 0.50 | 1 | 0.24 | 20 | 4.80 | |
| Reyes Zavaleta, Diego Alexander | | | 1577 | PER | 0.00 | 1 | -0.02 | 20 | -0.40 | |
| Reyes Zavaleta, Fabian Ricardo | | | 1513 | PER | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| Ramirez Mori, Angel Farid | | | 1149 | PER | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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| 43 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1180 | 984 | 1.50 | 7 | -0.41 | 20 | -8.20 | |
|
| Reyes Zavaleta, Fabian Ricardo | | | 1513 | PER | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| Guzman Vera, Allison Nicole | | | 1138 | PER | 0.00 | 1 | -0.29 | 20 | -5.80 | |
| Espichan Serna, Luis Ricardo | | | 1104 | PER | 0.00 | 1 | -0.34 | 20 | -6.80 | |
| Espichan Serna, Magaly Del Rosari | | | 1020 | PER | 1.00 | 1 | 0.55 | 20 | 11.00 | |
| Ramirez Espino, Gian Sandro | | | 1144 | PER | 0.00 | 1 | -0.29 | 20 | -5.80 | |
| Ramirez Espino, Alessandro | | | 1212 | PER | 0.50 | 1 | 0.29 | 20 | 5.80 | |
| Vilca Contreras, Dante Ivan | | | 1132 | PER | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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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