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Individual Calculations September 2017 |
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| Rojas, Steven Total change: -50.80 | |   |
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| IRT Circulo Peruano de Ajedrez | Lima | PER | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1762 | 2039 | 5.50 | 7 | -0.17 | 40 | -6.80 | |
|  Kastanieda, Alla | | | 1639 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Alvarado Mendoza, Juan Jose | | | 1705 | PER | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Guerrero Malpartida, Luis Carlos | | | 1859 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Delgado Romero, Marco | | | 2078 | PER | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Orosco Torres, Johann Miguel | | | 1681 | PER | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Hepler Ramirez , Narayana | | | 1730 | PER | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Arevalo Perez, Luis Alexander | | | 1639 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | I Open IRT Circulo Peruano de Ajedrez U-1600 | Lima | PER | 2017-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 2039 | 4.50 | 7 | -0.95 | 40 | -38.00 | |
| | Garcia Andrada, Heidy Nicole | | | 1639 * | PER | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Espinal, Valles Alfredo Enmanuel | | | 1865 | PER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Gomez Sulca, Frank Royer | | | 1736 | PER | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Alvarado Mendoza, Juan Jose | | | 1705 | PER | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Chong Chinchay, Eric Joel | | | 2046 | PER | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Flores Quillas, Diego Saul Rodri | | | 1881 | PER | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Hepler Ramirez , Narayana | | | 1730 | PER | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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) | | | | Campeonato Metropolitano Escolar Grupo B Sub 13 Absoluto | Lima | PER | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 2000 | 6.00 | 7 | -0.15 | 40 | -6.00 | |
| | Ruiz Huisa, Daniel | | | 1600 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Iturry Hinojosa, Renato | | | 1600 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Navarro Ariza, Justin Jeshua | c | | 1600 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vizcarra Quispe, Jhael | | | 1696 | PER | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Soriano Quispe, Ivan Excen | | | 1821 | PER | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Caja Cruz, Gabriel | | | 1642 | PER | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Maravi, Jon | | | 1634 | PER | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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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