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Individual Calculations January 2018 |
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| Zapata Charles, Santiago Total change: -9.60 | |   |
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| Sudamericano U18 Open | Asuncion | PAR | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2377 | 6.50 | 9 | -0.48 | 20 | -9.60 | |
|  Estrada Lavin, Cristian Alexand | | | 2044 | CHI | 0.50 | 1 | -0.38 | 20 | -7.60 | |  Barriga Silva, Felipe | | | 2098 | CHI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Santiago Vilca, Christian Amilca | f | | 2186 | PER | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Guerrero Malpartida, Luis Carlos | | | 1980 | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ramos Castro, Aldair | | | 1977 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Diaz Contreras, Pedro | f | | 2179 | CHI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Noboa, Kevin | f | | 2277 | ECU | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Acosta, Pablo Ismael | m | | 2397 | ARG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Pinto, Daniel | f | | 2140 | BOL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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