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Individual Calculations April 2023 |
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| Valderrama Castel, Jeffrey Franch Total change: 78.80 | |   |
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| CAMPEONATO NACIONAL JUVENIL AJEDREZ PERUANO 2023 Sub 18 Absoluto | Lima | PER | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1490 | 6.00 | 9 | 1.97 | 40 | 78.80 | |
|  Lindo Miranda, Manuel Alberto | | | 1090 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Reyes Zavaleta, Fabian Ricardo | | | 1981 | PER | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Rojas Arca, Ana Cristina | | | 1229 | PER | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Oyola Guevara, Clauly Tiffany | | | 1225 | PER | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Reyes Zavaleta, Diego Alexander | | | 1772 | PER | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Hernandez Ojeda, Garry Anatholy | | | 1966 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Sumaria Choqueluque, Alessandro | | | 1685 | PER | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Pescoran Machaca, Mariabelen Isab | | wc | 1362 | PER | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Sifuentes Alcantara, Jhony Sebas | | | 1641 | PER | 1.00 | 1 | 0.70 | 40 | 28.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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