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Individual Calculations September 2017 |
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| Mostacero Velarde, Isabella Total change: -137.60 | |   |
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| IRT Circulo Peruano de Ajedrez | Lima | PER | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1858 | 3.50 | 7 | -2.17 | 40 | -86.80 | |
|  Miraval Obregon, Jean Paul Alexa | | | 1458 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Garcia Andrada, Heidy Nicole | | | 1607 | PER | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Palacios Llancari, Katherine | | | 1779 | PER | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Caceres Sandoval, Eduardo | | | 1458 * | PER | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Villanueva, Orrego Martin William | | | 1557 | PER | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Orosco Torres, Johann Miguel | | | 1681 | PER | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Varillas Jimenez, Ivan | | | 1582 | PER | 0.00 | 1 | -0.83 | 40 | -33.20 | | | * 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 |
| 1768 | 1858 | 3.00 | 6 | -0.66 | 40 | -26.40 | |
| | Gomez Gonzales, Cristofer Syan | | | 1547 | PER | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Rivera, Gerson | | | 1640 | PER | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Guerrero Malpartida, Luis Carlos | | | 1820 | PER | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Cosme Contreras, Trilce | | wf | 1905 | PER | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Dongo, Melanie | | wf | 1803 | PER | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Hilario, Aleyla | | wf | 1890 | PER | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | XI Festival Internacional de Ajedrez Claretiano 2017 - Mayores | Lima | PER | 2017-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1898 | 1.50 | 4 | -0.61 | 40 | -24.40 | |
| | Grados, Luis | | | 2066 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Dongo, Melanie | | wf | 1737 | PER | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Paiva, Benites Felix Paul | | | 1710 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Gomez Huaraya, Jesus Miguel | | | 1987 | PER | 0.00 | 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) | | |
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