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Individual Calculations September 2023 |
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| Callupe Matias, Obed Esteban Total change: -49.20 | |   |
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| I Open IRT Club Regatas sub 2400 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1056 | 0.00 | 1 | -0.12 | 40 | -4.80 | |
|  Cardenas Huachaca, Alessandro Jai | | | 1390 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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 |
| 1269 | 1100 | 0.00 | 3 | -0.84 | 40 | -33.60 | |
|  Paz Neyra, Eduardo Gabriel | | | 1334 | PER | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Valdez Maravi, Angel Yhadiel | | | 1227 | PER | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Villaverde Salas, Gonzalo Matias | | | 1247 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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 de Ajedrez Metropolitano Impar Sub 15 Absoluto | Lima | PER | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1100 | 1.50 | 6 | -0.27 | 40 | -10.80 | |
| | Ilasaca Gaona, Owen Hisahito | | | 1653 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Ortiz Mallma, Fabian Ivan | | | 1277 | PER | 1.00 | 1 | 0.73 | 40 | 29.20 | | | De La Cruz De La Roca, Alan Rafae | | | 1403 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Rivas, Salomon | | | 1141 | PER | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Canahua Supo, Rodrigo Jose | | | 1078 | PER | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Enero Zambrano, Fabian | | | 1203 | PER | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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