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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 |
| 1456 | 1577 | 4.00 | 8 | -1.08 | 20 | -21.60 | |
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 Reyes Zavaleta, Sergio Gabriel | | | 1101 | PER | 1.00 | 1 | 0.05 | 20 | 1.00 | |
 Acuna Alarcon, Claudia Micaela | | | 1285 | PER | 1.00 | 1 | 0.15 | 20 | 3.00 | |
| Rondon Chacon, Rene Ibrahim | | | 2043 | VEN | 0.00 | 1 | -0.05 | 20 | -1.00 | |
| Salazar Flores, Yerick Alexander | | | 1331 | PER | 1.00 | 1 | 0.19 | 20 | 3.80 | |
| Vasquez Vargas, Henry Richard | | | 1852 | PER | 0.00 | 1 | -0.17 | 20 | -3.40 | |
| Jimenez Salas, Maria Teresa | | | 1533 | PER | 0.00 | 1 | -0.56 | 20 | -11.20 | |
| Riveros Rodriguez, Yeral Manuel | | | 1397 | PER | 0.00 | 1 | -0.74 | 20 | -14.80 | |
| Espichan Serna, Luis Ricardo | | | 1104 | 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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| 42 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1577 | 4.50 | 8 | 0.32 | 20 | 6.40 | |
|
| Flores Quillas, Diego Saul Rodri | f | | 2075 | PER | 0.00 | 1 | -0.04 | 20 | -0.80 | |
| Ramirez Mori, Angel Farid | | | 1149 | PER | 0.50 | 1 | -0.43 | 20 | -8.60 | |
| Rojas Salas, Rihanna Irina | | | 984 | PER | 1.00 | 1 | 0.02 | 20 | 0.40 | |
| Acuna Alarcon, Claudia Micaela | | | 1285 | PER | 1.00 | 1 | 0.15 | 20 | 3.00 | |
| Vasquez, Cesar | | | 1702 | PER | 1.00 | 1 | 0.67 | 20 | 13.40 | |
| Rojas Salas, Steven | f | | 2129 | PER | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| Vega Paucar, Emely Bachellet | | | 1751 | PER | 0.50 | 1 | 0.23 | 20 | 4.60 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1387 | PER | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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| 43 Open IRT Blitz Club Hermanos Rojas | Lima | PER | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1577 | 5.50 | 9 | 0.29 | 20 | 5.80 | |
|
| Guzman Vera, Xiomara Anahi | | | 964 | PER | 1.00 | 1 | 0.02 | 20 | 0.40 | |
| Vasquez Vargas, Henry Richard | | | 1852 | PER | 0.50 | 1 | 0.33 | 20 | 6.60 | |
| Reyes Zavaleta, Fabian Ricardo | | | 1513 | PER | 0.50 | 1 | -0.09 | 20 | -1.80 | |
| Guzman Vera, Allison Nicole | | | 1138 | PER | 1.00 | 1 | 0.06 | 20 | 1.20 | |
| Torres Castaneda, Ricardo | | | 1251 | PER | 1.00 | 1 | 0.13 | 20 | 2.60 | |
| Rojas Salas, Steven | f | | 2129 | PER | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| Vega Paucar, Emely Bachellet | | | 1751 | PER | 0.00 | 1 | -0.27 | 20 | -5.40 | |
| Benavides Conza, Diego Angelo | | | 1638 | PER | 0.50 | 1 | 0.08 | 20 | 1.60 | |
| Ramirez Espino, Gian Sandro | | | 1144 | PER | 1.00 | 1 | 0.06 | 20 | 1.20 | |
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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| IV IRT Blitz Armagedon libre | Lima | PER | 2021-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1577 | 4.50 | 7 | 2.06 | 20 | 41.20 | |
|
| Rondon Chacon, Rene Ibrahim | | | 2043 | VEN | 0.50 | 1 | 0.45 | 20 | 9.00 | |
| Ramirez Espino, Gian Sandro | | | 1144 | PER | 1.00 | 1 | 0.06 | 20 | 1.20 | |
| Bedoya Rosales, Luis | | | 1767 | PER | 1.00 | 1 | 0.75 | 20 | 15.00 | |
| Calcina, Gary | | | 2234 | PER | 0.00 | 1 | -0.01 | 20 | -0.20 | |
| Arevalo Perez, Luis Alexander | | | 1650 | PER | 0.00 | 1 | -0.40 | 20 | -8.00 | |
| Sinti Pio, Jesus Moises | | | 1488 | PER | 1.00 | 1 | 0.38 | 20 | 7.60 | |
| Vasquez Vargas, Henry Richard | | | 1852 | PER | 1.00 | 1 | 0.83 | 20 | 16.60 | |
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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