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Individual Calculations January 2018 |
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| Torres Alvarez, Piero Antonio Total change: -16.00 | |   |
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| Sudamericano U18 Open | Asuncion | PAR | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1729 | 2.00 | 7 | -0.74 | 40 | -29.60 | |
|  Santiago Vilca, Christian Amilca | f | | 2129 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Guerrero Malpartida, Luis Carlos | | | 1980 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Barriga Silva, Felipe | | | 2098 | CHI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Farias, Vitor Furtado | | | 1652 | BRA | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Campos Cisterna, Marcelo Ivan | | | 1577 | CHI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Ramos Castro, Aldair | | | 1798 | PER | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Oviedo, Mathias | | | 1611 | URU | 1.00 | 1 | 0.34 | 40 | 13.60 | | | * 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) | | | | Grand Prix Centro - Lima 2017 | Lima | PER | 2017-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1729 | 2.50 | 6 | 0.34 | 40 | 13.60 | |
| | Chumpitaz, Ann | | wm | 2129 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Castillo Vargas, Esteban Ricardo | | | 1404 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Lopez, Dante | | | 2097 | PER | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Villacorta Puchoc, Alfonso Aleja | | | 1607 | PER | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Guerrero Malpartida, Luis Carlos | | | 1980 | PER | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Morales, Jim | | | 1922 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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