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Individual Calculations January 2018 |
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| Chumpitaz, Ann Total change: -16.20 | |   |
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| Grand Prix Centro - Lima 2017 | Lima | PER | 2017-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2240 | 5.00 | 7 | -0.81 | 20 | -16.20 | |
|  Torres Alvarez, Piero Antonio | | | 1840 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Caballero Quijano, Mitzy Mishell | | wm | 2057 | PER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Flores Quillas, Diego Saul Rodri | | | 1987 | PER | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Acuna, Erwing | | | 1840 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Guerrero Malpartida, Luis Carlos | | | 1980 | PER | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hilario, Aleyla | | wf | 2000 | PER | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Rojas, Steven | | | 1999 | PER | 0.50 | 1 | -0.30 | 20 | -6.00 | | | * 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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