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Individual Calculations August 2023 |
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| Ygarza Crisostomo, Antonela Abiga Total change: -2.40 | |   |
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| V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1210 | 1271 | 2.00 | 4 | -0.35 | 40 | -14.00 | |
|  Mendoza Alata, Victor Gabriel | | | 1063 | PER | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Suarez Chavez, Alejandro | | | 1173 | PER | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Loyola Torres, Maria Gracia | | wc | 1592 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Garay Ramirez, Patrick Yosue | | | 1010 | PER | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1271 | 1.00 | 2 | 0.29 | 40 | 11.60 | |
| | Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Valenzuela Reinoso, Safrys | | | 1138 | PER | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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