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Individual Calculations December 2019 |
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| Rodriguez Retana, Sofia Total change: 15.60 | |   |
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| Campeonato Panamericano Amateur U1700 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1219 | 1.50 | 5 | 0.39 | 40 | 15.60 | |
|  Reyes Aristizabal, Andres | | | 1605 | COL | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Villegas Rodriguez, Jeremy | | | 1553 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Wong Yau, Daniel Segundo | | | 1476 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Guevara Cornejo, Gabriel | | | 1338 | CRC | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Solano Saltachin, Ruth | | | 1308 | CRC | 0.50 | 1 | 0.12 | 40 | 4.80 | |
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) | | |
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