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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1463 | 1236 | 2.00 | 5 | 0.58 | 38 | 22.04 | |
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 Jimenez Salas, Maria Teresa | | wf | 1894 | PER | 0.00 | 1 | -0.01 | 38 | -0.38 | |
 Acuna Alarcon, Claudia Micaela | | | 1515 | PER | 0.00 | 1 | -0.16 | 38 | -6.08 | |
| Bocanegra Reyes, Thiago Stephano | | | 1038 | PER | 1.00 | 1 | 0.24 | 38 | 9.12 | |
| Salas Gonzales, David Ademar | | | 1434 | PER | 0.50 | 1 | 0.26 | 38 | 9.88 | |
| Ramirez Espino, Gian Sandro | | | 1432 | PER | 0.50 | 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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| V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1236 | 2.00 | 4 | 0.37 | 38 | 14.06 | |
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| Ramirez Mori, Angel Farid | | | 1384 | PER | 0.00 | 1 | -0.30 | 38 | -11.40 | |
| Callupe Matias, Obed Esteban | | | 1056 | PER | 1.00 | 1 | 0.26 | 38 | 9.88 | |
| Suarez Chavez, Alejandro | | | 1173 | PER | 1.00 | 1 | 0.41 | 38 | 15.58 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2026 | 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) |
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| VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1236 | 0.00 | 3 | -1.22 | 38 | -46.36 | |
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| Astoyauri De La Cruz, Fernando Is | | | 1513 | PER | 0.00 | 1 | -0.17 | 38 | -6.46 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 0.00 | 1 | -0.42 | 38 | -15.96 | |
| Valenzuela Reinoso, Safrys | | | 1138 | PER | 0.00 | 1 | -0.63 | 38 | -23.94 | |
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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| Campeonato Nacional de Ajedrez Impar 2023 - Sub 13 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1236 | 3.50 | 6 | 1.27 | 38 | 48.26 | |
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| Flores Quispe, Josue | | | 1081 | PER | 1.00 | 1 | 0.29 | 38 | 11.02 | |
| Estrada Cantaro, Andre Fabio | | | 1347 | PER | 0.50 | 1 | 0.15 | 38 | 5.70 | |
| Paz Neyra, Eduardo Gabriel | | | 1365 | PER | 0.50 | 1 | 0.17 | 38 | 6.46 | |
| Moscoso Paredes, Rafael Leonardo | | | 1342 | PER | 0.50 | 1 | 0.14 | 38 | 5.32 | |
| Polo Gonzales, Leandro Joaquim | | | 1291 | PER | 1.00 | 1 | 0.58 | 38 | 22.04 | |
| Palomino Quispe, Mateo Henry | | | 1669 | PER | 0.00 | 1 | -0.06 | 38 | -2.28 | |
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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