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Individual Calculations August 2023 |
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| Salas Gonzales, David Ademar Total change: -78.00 | |   |
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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 |
| 1347 | 1434 | 3.00 | 6 | -0.62 | 40 | -24.80 | |
|  Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Mayo, Zevallos Salvador Andres | | | 1109 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Callupe Matias, Obed Esteban | | | 1056 | PER | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Ramirez Espino, Alessandro | | | 1580 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Coaquira Gonzales, Oscar Adriano | | | 1236 | PER | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Reyes Zavaleta, Sergio Gabriel | | | 1291 | 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) | | | | Campeonato Nacional de Ajedrez Impar 2023 - Sub 13 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1149 | 1434 | 4.50 | 7 | -1.33 | 40 | -53.20 | |
| | Gomez Jalixto, Matthew Yahir | | | 1157 | PER | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Ripa Quintana, Hermogenes Juan | | | 1263 | PER | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Aching Rengifo, Cesar Alejandro | | | 1247 | PER | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Espiritu, Laureano Pier Davide | | | 1103 | PER | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Cahuaya Alpes, William Rafael | | | 1122 | PER | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Flores Quispe, Josue | | | 1081 | PER | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ayala Aranibar, Adrian Alexander | | | 1068 | PER | 0.50 | 1 | -0.40 | 40 | -16.00 | |
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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