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Individual Calculations September 2023 |
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| Polo Gonzales, Leandro Joaquim Total change: 18.80 | |   |
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| I FESTIVAL DE AJEDREZ IRTS CLASICOS RENE DESCARTES SUB 1400 | Lima | PER | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1257 | 3.50 | 5 | 0.92 | 40 | 36.80 | |
|  Wochiny Reyes, Joaquin Alessandro | | | 1227 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | |  Casqui Lopez, Pamela Grace | | | 1256 | PER | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Suarez Chavez, Alejandro | | | 1229 | PER | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Raime Tanta, Jhonathan Alexander | | | 1309 | PER | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Nole Alvarez, Antuannet Huguette | | | 1209 | PER | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 13 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1353 | 1257 | 1.50 | 4 | -0.20 | 40 | -8.00 | |
| | Acuna Taipe, Juan Samuel | | | 1013 | PER | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Reyes Zavaleta, Cristhian Yamil | | | 1770 | PER | 0.50 | 1 | 0.46 | 40 | 18.40 | | | Astoyauri De La Cruz, Fernando Is | | | 1483 | PER | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Cahuaya Alpes, William Rafael | | | 1144 | PER | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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) | | | | IRT Clasico Agosto Armagedon | Lima | PER | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1257 | 1.00 | 4 | -0.25 | 40 | -10.00 | |
| | Alvarado Mendoza, Juan Jose | | | 1704 | PER | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Valenzuela Reinoso, Safrys | | | 1141 | PER | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Montenegro Satalaya, Franko Jean | | | 1349 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Ramirez Espino, Alessandro | | | 1542 | PER | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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