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Individual Calculations April 2023 |
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| Zegarra Castaneda, Oliver Mateo Total change: -47.60 | |   |
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| CAMPEONATO NACIONAL JUVENIL AJEDREZ PERUANO 2023 Sub 12 Absoluto | Lima | PER | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1112 | 0.00 | 1 | -0.23 | 40 | -9.20 | |
|  Salas Gonzales, David Ademar | | | 1321 | PER | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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) | | | | II Torneo Clasico Ajedrez de Silicio 2023 | Lima | PER | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1259 | 1112 | 0.00 | 3 | -0.96 | 40 | -38.40 | |
| | Bejarano Martinez, Diego | | | 1421 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Saavedra Espiritu, Josue Moises | | | 1120 | PER | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Meneses Morales, Marcos Beltran | | | 1237 | PER | 0.00 | 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) | | |
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