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Individual Calculations August 2023 |
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| Perez Rojas, Felipe Total change: -1.60 | |   |
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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 |
| 1732 | 1514 | 2.00 | 6 | -0.04 | 40 | -1.60 | |
|  Amigo Quintana, Antu | f | | 2233 | CHI | 1.00 | 1 | 0.99 | 40 | 39.60 | | | Tomiello, Mateus Costamilan | | | 2085 | BRA | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Perez Rojas, Jorge | | | 1951 | CHI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Da Fonseca Pinto, Joao Gabriel Al | | | 1781 | BRA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Blanco Castro, Lorenzo | | | 1221 | CHI | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Cuevas Cortes, Hector | | | 1120 | CHI | 1.00 | 1 | 0.08 | 40 | 3.20 | |
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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