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Individual Calculations February 2018 |
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| Chaves Williams, Jose Andres Total change: -16.60 | |   |
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| Campeonato Nacional Juvenil Sub20 2018 | Heredia | CRC | 2018-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1538 | 1.00 | 6 | -0.83 | 20 | -16.60 | |
|  Murillo Gonzalez, Carlos E | f | | 1938 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Avendano Porras, Rodrigo | | | 1636 | CRC | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Serrano Marin, Jorge | | | 1537 | CRC | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Porras Chavarria, Steve | | | 1818 | CRC | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Solis Baltodano, Jose Pablo | | | 1446 | CRC | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Castillo Morales, Thais | | wf | 1928 | CRC | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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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