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| XXXVII Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1849 | 4.00 | 7 | -0.90 | 20 | -18.00 | |
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 Rojas Salas, Rihanna Irina | | | 1114 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Garcia Andrada, Heidy Nicole | | wf | 1650 | PER | 0.00 | 1 | -0.76 | 20 | -15.20 | |
 Garay Ramirez, Estefano Javier | | | 1220 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Rojas Salas, Steven | f | | 2144 | PER | 0.00 | 1 | -0.15 | 20 | -3.00 | |
| Robles Mamani, Fabio Francisco | | | 1521 | PER | 1.00 | 1 | 0.13 | 20 | 2.60 | |
| Rondon Chacon, Rene Ibrahim | | | 2062 | VEN | 1.00 | 1 | 0.77 | 20 | 15.40 | |
| Cuya Zevallos, Andrew Francisco | | | 1472 | PER | 0.00 | 1 | -0.91 | 20 | -18.20 | |
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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| 38 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1860 | 6.50 | 8 | 0.98 | 20 | 19.60 | |
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| Ramirez Mori, Angel Farid | | | 1197 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Rojas Salas, Steven | f | | 2138 | PER | 0.50 | 1 | 0.33 | 20 | 6.60 | |
| Medrano Laura, Raul Zocimo | | | 1908 | PER | 1.00 | 1 | 0.57 | 20 | 11.40 | |
| Reyes Zavaleta, Fabian Ricardo | | | 1529 | PER | 1.00 | 1 | 0.12 | 20 | 2.40 | |
| Flores Quillas, Diego Saul Rodri | f | | 2071 | PER | 0.00 | 1 | -0.23 | 20 | -4.60 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1386 | PER | 1.00 | 1 | 0.05 | 20 | 1.00 | |
| Reyes Zavaleta, Diego Alexander | | | 1517 | PER | 1.00 | 1 | 0.12 | 20 | 2.40 | |
| Vilca Contreras, Dante Ivan | | | 1125 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
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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| 39 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1501 | 1860 | 7.00 | 9 | -0.35 | 20 | -7.00 | |
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| Ramirez Espino, Gian Sandro | | | 1164 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Fonseca Luna, Eduardo | | | 1369 | PER | 1.00 | 1 | 0.04 | 20 | 0.80 | |
| Garay Ramirez, Estefano Javier | | | 1201 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Garcia Andrada, Heidy Nicole | | wf | 1700 | PER | 0.00 | 1 | -0.71 | 20 | -14.20 | |
| Acuna Alarcon, Claudia Micaela | | | 1298 | PER | 1.00 | 1 | 0.02 | 20 | 0.40 | |
| Rojas Salas, Steven | f | | 2138 | PER | 0.00 | 1 | -0.17 | 20 | -3.40 | |
| Caceres Sandoval, Eduardo | | | 1668 | PER | 1.00 | 1 | 0.25 | 20 | 5.00 | |
| Bendezu Yupanqui, Albert Martin | | | 1433 | PER | 1.00 | 1 | 0.07 | 20 | 1.40 | |
| Guzman Vera, Diego Alonso | | | 1539 | PER | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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| 40 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1860 | 7.00 | 9 | -0.15 | 20 | -3.00 | |
|
| Reyes Zavaleta, Sergio Gabriel | | | 1125 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | |
| Acuna Alarcon, Claudia Micaela | | | 1298 | PER | 1.00 | 1 | 0.02 | 20 | 0.40 | |
| Riveros Rodriguez, Yeral Manuel | | | 1362 | PER | 1.00 | 1 | 0.04 | 20 | 0.80 | |
| Velasquez Guerra, Eduardo Luis | | | 1883 | VEN | 1.00 | 1 | 0.53 | 20 | 10.60 | |
| Rojas Salas, Steven | f | | 2138 | PER | 0.00 | 1 | -0.17 | 20 | -3.40 | |
| Reyes Zavaleta, Fabian Ricardo | | | 1529 | PER | 0.50 | 1 | -0.38 | 20 | -7.60 | |
| Reyes Zavaleta, Diego Alexander | | | 1517 | PER | 0.50 | 1 | -0.38 | 20 | -7.60 | |
| Guzman Vera, Diego Alonso | | | 1539 | PER | 1.00 | 1 | 0.13 | 20 | 2.60 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1386 | PER | 1.00 | 1 | 0.05 | 20 | 1.00 | |
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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