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Individual Calculations May 2023 |
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| Reyes Zavaleta, Sergio Gabriel Total change: 9.12 | |   |
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| 2 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1258 | 2.00 | 6 | 0.13 | 38 | 4.94 | |
|  Garay Ramirez, Estefano Javier | | | 1766 | PER | 0.00 | 1 | -0.04 | 38 | -1.52 | |  Mostacero Velarde, Isabella | | wf | 1828 | PER | 0.00 | 1 | -0.02 | 38 | -0.76 | | | Carbajal Sotomayor, Cesar Stefano | | | 1122 | PER | 1.00 | 1 | 0.32 | 38 | 12.16 | | | Ramirez Espino, Alessandro | | | 1509 | PER | 0.50 | 1 | 0.31 | 38 | 11.78 | | | Jimenez Salas, Fabiana | | | 1223 | PER | 0.50 | 1 | -0.05 | 38 | -1.90 | | | Ccana Minauro, Reiben Andre | | | 1337 | PER | 0.00 | 1 | -0.39 | 38 | -14.82 | |
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) | | | | V Torneo IRT Clasico Sub 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1258 | 0.50 | 3 | 0.27 | 38 | 10.26 | |
| | Pena Morales, Hugo | | | 2244 | PER | 0.00 | 1 | 0.00 | 38 | 0.00 | | | Ramirez Espino, Gian Sandro | | | 1473 | PER | 0.50 | 1 | 0.27 | 38 | 10.26 | | | Garcia Toledo, Pedro | | | 2006 | PER | 0.00 | 1 | 0.00 | 38 | 0.00 | |
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) | | | | Campeonato Regional Metropolitano Absoluto 2023 | Lima | PER | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1258 | 0.50 | 3 | 0.27 | 38 | 10.26 | |
| | Jimenez Salas, Maria Teresa | | wf | 1996 | PER | 0.00 | 1 | 0.00 | 38 | 0.00 | | | Larico Flores, Pablo | | | 1514 | PER | 0.50 | 1 | 0.31 | 38 | 11.78 | | | Garay Ramirez, Estefano Javier | | | 1766 | PER | 0.00 | 1 | -0.04 | 38 | -1.52 | |
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) | | | | Campeonato Nacional Absoluto Sub 20 2023 | Lima | PER | 2023-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1280 | 2.50 | 6 | -0.43 | 38 | -16.34 | |
| | Reyes Zavaleta, Fabian Ricardo | | | 2000 | PER | 0.00 | 1 | -0.01 | 38 | -0.38 | | | Carbajal Sotomayor, Cesar Stefano | | | 1116 | PER | 0.00 | 1 | -0.72 | 38 | -27.36 | | | Garay Ramirez, Patrick Yosue | | | 1071 | PER | 1.00 | 1 | 0.23 | 38 | 8.74 | | | Reyes Zavaleta, Diego Alexander | | | 1736 | PER | 0.00 | 1 | -0.06 | 38 | -2.28 | | | Tadeo Arontico, Jesus Raul | | | 1191 | PER | 0.50 | 1 | -0.12 | 38 | -4.56 | | | Uchasara Apolinario, Josue Yoni | | | 1087 | PER | 1.00 | 1 | 0.25 | 38 | 9.50 | |
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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