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Individual Calculations January 2016 |
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| Cosme Contreras, Trilce Total change: 21.20 | |   |
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| Gran Prix IRT Peru 2015 Sur | Arequipa | PER | 2015-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1778 | 1.50 | 5 | -0.35 | 40 | -14.00 | |
|  Pena Morales, Hugo | | | 2178 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chumpitaz, Ann | | wm | 2178 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Condori, Edwin | | | 2156 | PER | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Abarca, Fabiano | | | 1378 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lovon Manzano, Christian | | | 1648 | PER | 0.50 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | | | XII Sudamericano de la Juventud Sub-18 Femenino | Santa Cruz | BOL | 2015-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1736 | 4.50 | 8 | 1.17 | 40 | 46.80 | |
| | Besso, Guadalupe | | wc | 1937 | ARG | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Perez, Dalila | | | 1826 | PAR | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Perez, Cecilia Manuela | | | 1693 | URU | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Zeballos Luque, Shirley | | | 1579 | CHI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Patino Garcia, Corals | | wc | 1928 | VEN | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Ruiz, Mishell | | wf | 1736 | ECU | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Schucman, Rebeca Lot | | wc | 1751 | BRA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Garcia Contreras, Ana | | wf | 1964 | PER | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | Gran Prix IRT Peru 2015 Lima Centro | Lima | PER | 2015-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1736 | 2.50 | 6 | -0.29 | 40 | -11.60 | |
| | Escalante Ramirez, Brian Sebasti | f | | 2136 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Felix Vega, Aurora Edith | | wf | 1996 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Perez , Sebastian | | | 1422 | PER | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Contreras, Jose | | | 2136 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Santiago Vilca, Lito Gustavo | | | 1505 | PER | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Santiago Vilca, Waldo Luis | | | 1498 | PER | 1.00 | 1 | 0.20 | 40 | 8.00 | | | * 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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