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Individual Calculations January 2023 |
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| Obregon, Andres Carlos Total change: -2.20 | |   |
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| VIII TORNEO INTERNACIONAL DE AJEDREZ CIUDAD DE ARICA 2022 | Arica | CHI | 2022-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2316 | 2508 | 7.00 | 10 | -0.22 | 10 | -2.20 | |
|  Perez Rojas, Jorge | | | 2108 * | CHI | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Caruso, Tomas | | | 2122 | ARG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Flores Tomasto, Luis | | | 2256 | PER | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Romero Barreto, Jaime Jose | m | | 2351 | VEN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Lopez Silva, Hugo | | | 2413 | CHI | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Marrujo Pardo, Mauricio Emmanuel | | | 2138 | CHI | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Leiva, Gianmarco | m | | 2365 | PER | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Coro, Lucas | m | | 2310 | ARG | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Mareco, Sandro | g | | 2619 | ARG | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Barbosa, Evandro Amorim | g | | 2478 | BRA | 0.50 | 1 | -0.04 | 10 | -0.40 | | | * 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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