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Individual Calculations August 2023 |
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| Reyes Zavaleta, Diego Alexander Total change: 20.00 | |   |
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| XVIII CAMPEONATO SUDAMERICANO DE AJEDREZ SUB 20 ABSOLUTO 2023 | Antofagasta | CHI | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1778 | 3.50 | 8 | 0.31 | 40 | 12.40 | |
|  Tomiello, Mateus Costamilan | | | 2085 | BRA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Rios Pattanachang, Nicolas | | | 1378 * | CHI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Amigo Quintana, Antu | f | | 2233 | CHI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Toloza Fabian, David | | | 1465 | CHI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Miranda Camus, Joaquin Ignacio | | | 2023 | CHI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Pena Cifuentes, Tomas Alberto | | | 2126 | CHI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Bahamondes Cepeda, Juan Pablo | | | 1948 | CHI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Guilloux Alvear, Cristobal | | | 1692 | CHI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | | | V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1778 | 3.00 | 3 | 0.19 | 40 | 7.60 | |
| | Ayala Aranibar, Adrian Alexander | | | 1378 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pimentel Delgado, Victor Fabricio | | | 1392 | PER | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Suarez Chavez, Alejandro | | | 1173 | PER | 1.00 | 1 | 0.02 | 40 | 0.80 | | | * 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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