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Individual Calculations September 2017 |
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| Arevalo Perez, Luis Alexander Total change: 7.60 | |   |
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| IRT Circulo Peruano de Ajedrez | Lima | PER | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1589 | 1.50 | 4 | -0.45 | 40 | -18.00 | |
|  Maravi Ceron, Ayme | | | 1189 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Palacios Llancari, Katherine | | | 1779 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Caceres Sandoval, Eduardo | | | 1436 | PER | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Rojas, Steven | | | 1989 * | PER | 0.00 | 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) | | | | Campeonato Metropolitano Escolar Grupo B Sub 17 Absoluto | Lima | PER | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1589 | 1.50 | 5 | 0.64 | 40 | 25.60 | |
| | Hilario, Aleyla | | wf | 1890 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Cosme Contreras, Trilce | | wf | 1905 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Flores Quillas, Diego Saul Rodri | | | 1881 | PER | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Palao, Adriana | | | 1808 | PER | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Guerrero Malpartida, Luis Carlos | | | 1820 | PER | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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