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Individual Calculations November 2021 |
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| Espichan Serna, Luis Ricardo Total change: 14.40 | |   |
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| II IRT Hibrido de Las Americas Sub-1200 2021 | Chacao-Porlamar-Guayaquil-Macas-Manta-Lima-Puerto Espana | VEN | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1168 | 1019 | 1.00 | 5 | -0.51 | 40 | -20.40 | |
|  Peinado Piamo, Rafael Vicente | | | 1185 | VEN | 1.00 | 1 | 0.72 | 40 | 28.80 | |  Maravi Ceron, Ayme | | | 1152 | PER | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Naekat Mashianda, Jomaira Fernand | | | 1137 | ECU | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Coaquira Gonzales, Oscar Adriano | | | 1184 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Gomez Jalixto, Matthew Yahir | | | 1180 | PER | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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 |
| 1240 | 1019 | 2.00 | 5 | 0.87 | 40 | 34.80 | |
| | Vilca Contreras, Dante Ivan | | | 1333 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Espichan Serna, Magaly Del Rosari | | | 1104 | PER | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Bendezu Yupanqui, Albert Martin | | | 1288 | PER | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Guzman Vera, Allison Nicole | | | 1218 | PER | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ramirez Espino, Alessandro | | | 1255 | PER | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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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