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Individual Calculations September 2017 |
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| Palacios Llancari, Katherine Total change: -170.00 | |   |
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| IRT Circulo Peruano de Ajedrez | Lima | PER | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1779 | 2.00 | 5 | -0.90 | 40 | -36.00 | |
|  Mostacero Velarde, Isabella | | | 1858 | PER | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Arevalo Perez, Luis Alexander | | | 1589 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Delgado Romero, Marco | | | 2078 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Garcia Andrada, Heidy Nicole | | | 1607 | PER | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Caceres Sandoval, Eduardo | | | 1436 | PER | 0.50 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | I Open IRT Circulo Peruano de Ajedrez U-1600 | Lima | PER | 2017-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1779 | 1.50 | 5 | -1.14 | 40 | -45.60 | |
| | Chong Chinchay, Eric Joel | | | 2046 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Castillo Martinez, Paola | | | 1649 | PER | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Maravi, Jon | | | 1634 | PER | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Garcia Andrada, Heidy Nicole | | | 1607 | PER | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Flores Quillas, Diego Saul Rodri | | | 1881 | PER | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | Campeonato Metropolitano Escolar Grupo B Sub 17 Absoluto | Lima | PER | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1779 | 2.50 | 7 | -2.21 | 40 | -88.40 | |
| | Romero Dongo, Maria Jose | | | 1379 * | PER | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Guerrero Malpartida, Luis Carlos | | | 1820 | PER | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Gutierrez Cabrera, Diego | | | 1379 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Quispe Limo, Josue Arnaldo | | | 1586 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Romero Guimaray, Diego | | | 1936 | PER | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Romero, Sebastian Peru | | | 1705 | PER | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Gomez Gonzales, Cristofer Syan | | | 1547 | PER | 0.00 | 1 | -0.79 | 40 | -31.60 | | | * 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) | | |
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