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Individual Calculations November 2023 |
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| Torres Arambulo, Koharu Aize Total change: -2.40 | |   |
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| VII Torneo IRT Clasico Sub 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1101 | 1165 | 1.50 | 3 | -0.27 | 40 | -10.80 | |
|  Takahashi Guevara, Javier Kazuo | | | 1166 | PER | 0.00 | 1 | -0.50 | 40 | -20.00 | |  Cuellar Aguirre, Andres Santiago | | | 1102 | PER | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Mendoza Alata, Victor Gabriel | | | 1035 | PER | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | II TORNEO IRT CLASICO "CASA DEL AJEDREZ" SUB 2400 | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1165 | 0.00 | 2 | -0.30 | 40 | -12.00 | |
| | Anazgo Cavero, Leonid Yacon | | | 1963 | PER | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Cardenas Huachaca, Alessandro Jai | | | 1315 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | XII Campeonato Panamericano Escolar de Ajedrez - Sub 09 Femenino | Lima | PER | 2023-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1166 | 1165 | 2.00 | 3 | 0.51 | 40 | 20.40 | |
| | Haro Gallardo, Jhilary | | | 1104 | PER | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Tischler Lema Garcia, Maria Eduar | | | 1259 | BRA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Tacas Granda, Natalia Lisseth | | | 1135 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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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