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Individual Calculations September 2023 |
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| Poma Bernal, Cristian Andres Total change: -28.00 | |   |
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| Campeonato Regional de Ajedrez Metropolitano Impar Sub 13 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1278 | 2.00 | 5 | -0.83 | 40 | -33.20 | |
|  Cardenas Huachaca, Alessandro Jai | | | 1335 | PER | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Levano Loayza, Adriano Jaffet | | | 1404 | PER | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Castillo Arohuanca, Esteban Thiag | | | 1122 | PER | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Ayala Aranibar, Adrian Alexander | | | 1252 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Gomez Bolivar, Angelo Valentino | | | 1010 | PER | 0.50 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | IRT Clasico Agosto Armagedon | Lima | PER | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1278 | 1.00 | 3 | 0.13 | 40 | 5.20 | |
| | Alvarado Mendoza, Juan Jose | | | 1704 | PER | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Bogodukhov, Roman | | | 1622 | BLR | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Valenzuela Reinoso, Safrys | | | 1141 | PER | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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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