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Individual Calculations February 2018 |
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| Castro Ulloa, Rolando Total change: -4.20 | |   |
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| Campeonato Nacional Juvenil Sub20 2018 | Heredia | CRC | 2018-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1666 | 2.00 | 6 | -0.21 | 20 | -4.20 | |
|  Castillo Morales, Thais | | wf | 1928 | CRC | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Calvo Gutierrez, Luis Guillermo | | | 1877 | CRC | 0.50 | 1 | 0.27 | 20 | 5.40 | |  Acevedo Mendez, Jennifer | | wf | 1710 | CRC | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Avendano Porras, Rodrigo | | | 1636 | CRC | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Castro Garcia, Ileana | | wc | 1581 | CRC | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Rojas Cisneros, Kevin | | | 1902 | CRC | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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