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Individual Calculations November 2021 |
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| Reyes Zavaleta, Cristhian Yamil Total change: -58.80 | |   |
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| II IRT Hibrido del Sur Sub-1600 2021 | Porlamar-Macas-Tena-Lima-Puerto Espana | VEN | 2021-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1318 | 2.00 | 4 | 0.08 | 40 | 3.20 | |
|  Cabello Hurtado, Juan Carlos | | | 1480 | VEN | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Romero Espana, Eliezer Benjamin | | | 1319 | VEN | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Guzman Vera, Allison Nicole | | | 1218 | PER | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Rubio Chanchay, Ostin Jose | | | 1322 | ECU | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | 9 Open IRT U-2200 Club Hermanos Rojas | Lima | PER | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1322 | 1318 | 0.50 | 4 | -1.55 | 40 | -62.00 | |
| | Reyes Zavaleta, Fabian Ricardo | | | 1718 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Acuna Alarcon, Claudia Micaela | | | 1290 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Rojas Salas, Rihanna Irina | | | 1030 | PER | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Garay Ramirez, Estefano Javier | | | 1251 | PER | 0.00 | 1 | -0.59 | 40 | -23.60 | | | * 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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