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Individual Calculations November 2021 |
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| Espichan Serna, Magaly Del Rosari Total change: -100.00 | |   |
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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 |
| 1021 | 1104 | 0.00 | 2 | -1.23 | 40 | -49.20 | |
|  Rojas Salas, Rihanna Irina | | | 1030 | PER | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Montilva Muller, Sebastian Daniel | | | 1011 | VEN | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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) | | | | 9 Open IRT U-2200 Club Hermanos Rojas | Lima | PER | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1193 | 1104 | 0.00 | 3 | -1.27 | 40 | -50.80 | |
| | Benavides Conza, Diego Angelo | | | 1504 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Espichan Serna, Luis Ricardo | | | 1019 | PER | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Casqui Lopez, Pamela Grace | | | 1055 | PER | 0.00 | 1 | -0.57 | 40 | -22.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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