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Individual Calculations August 2023 |
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| Bernal Alva, Rodrigo Total change: -42.80 | |   |
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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1213 | 0.50 | 4 | -1.21 | 40 | -48.40 | |
|  Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Callupe Matias, Obed Esteban | | | 1056 | PER | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Fernandez Monteza, Fabian Arturo | | | 1369 | PER | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Ayala Aranibar, Adrian Alexander | | | 1068 | PER | 0.50 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | IRT Clasico Festival de Ajedrez AOPIP Armagedon | Lima | PER | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1213 | 1.00 | 3 | 0.14 | 40 | 5.60 | |
|  Ilasaca Gaona, Owen Hisahito | | | 1704 | PER | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Bogodukhov, Roman | | | 1660 | BLR | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Garay Ramirez, Patrick Yosue | | | 1010 | PER | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | |
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