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Individual Calculations August 2015 |
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| Callata, Alejandra Total change: -45.20 | |   |
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| IRT 6to Puerta del Sol | El Alto - La Paz | BOL | 2015-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1406 | 0.50 | 3 | -0.54 | 40 | -21.60 | |
|  Huarachi, Rhem Josafat | | | 1708 | BOL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Layme, Ivan | | | 1619 | BOL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Chambi, Nayra | | | 1285 | BOL | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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) | | | | IX Olimpiada Nacional de Ajedrez 2015 - Categoria Sub-12 Femenino | La Paz | BOL | 2015-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1412 | 0.00 | 1 | -0.62 | 40 | -24.80 | |
| | Vargas D, Carolina | | wc | 1324 | BOL | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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) | | | | 2do IRT Tiahunacu 2015 | El Alto - La Paz | BOL | 2015-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1412 | 1.50 | 3 | 0.03 | 40 | 1.20 | |
| | Chambi, Nayra | | | 1251 | BOL | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Mayta Aiza, Maveric | | | 1276 | BOL | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Huanca, Edson | | | 1812 * | BOL | 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) | | |
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