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Individual Calculations September 2023 |
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| Frias Ramirez, Alessandro Raul Total change: -7.20 | |   |
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| TORNEO IRT CLASICO PREPARACION AL NACIONAL 2023 SUB 1800 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1126 | 1163 | 2.00 | 4 | -0.21 | 40 | -8.40 | |
|  Quispe Sanchez, Cristobal Edu | | | 1132 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | |  Mayo, Zevallos Salvador Andres | | | 1109 | PER | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Villavicencio Luna Victoria, Fern | | | 1024 | PER | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Villaverde Salas, Gonzalo Matias | | | 1238 | PER | 0.00 | 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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 17 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1262 | 1163 | 1.50 | 4 | 0.03 | 40 | 1.20 | |
| | Venegas Fernandez, Gabriel | | | 1270 | PER | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Ayllon Porto, Rodrigo Omar | | | 1146 | PER | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Ricaldi Astuvilca, Piero Stefano | | | 1346 | PER | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Chavez Bautista, Lennin Alfredo | | | 1284 | PER | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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