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Individual Calculations January 2024 |
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| Rojas Raraz, John Arick Total change: 0.00 | |   |
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| 1 Open IRT U1200 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-04 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1065 | 0 | 0.00 | 1 | 0.00 | 265 | | 0.00 | |
|  Mendoza Alata, Victor Gabriel | | | 1065 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 2 Open IRT U1200 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-18 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1007 | 0 | 0.00 | 1 | 0.00 | 207 | | 0.00 | |
|  Carbajal Sotomayor, Cesar Stefano | | | 1007 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 3 Open IRT U1200 Circulo Peruano de Ajedrez | Lima | PER | 2023-12-02 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1061 | 0 | 0.00 | 2 | 0.00 | 261 | | 0.00 | |
| | Alvarado Torres, Sandro Santiago | | | 1109 | PER | 0.00 | 1 | 0.00 | | 0.00 | | | Pumayauli Evangelista, Piero Jair | | | 1013 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | IV Campeonato Sudamericano Escolar de Ajedrez 2023 - Sub 11 Absoluto | Lima | PER | 2023-12-16 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1108 | 0 | 0.50 | 4 | 0.00 | 786 | | 0.00 | |
| | Zegarra Castaneda, Oliver Mateo | | | 1107 | PER | 0.50 | 1 | 0.00 | | 0.00 | | | Ramirez Mori, Jael Eduardo | | | 1232 | PER | 0.00 | 1 | 0.00 | | 0.00 | | | Aguila Fajardo, Hans Matthew | | | 1040 | PER | 0.00 | 1 | 0.00 | | 0.00 | | | Chinguel Pena, Jefferson Neymar | | | 1053 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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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