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Rapid:
Individual Calculations December 2017 |
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| Alfaro Guillen, Jose Raul Total change: -12.60 | |   |
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| I Torneo Abierto Unidos por el Ajedrez | Alajuela | CRC | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 2048 | 4.50 | 7 | -0.63 | 20 | -12.60 | |
|  Granados Wing, Brian Saul | | | 1648 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Marin Leon, Valeria | | wc | 1718 | CRC | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Castillo Morales, Thais | | wf | 1841 | CRC | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Porras Chavarria, Steve | | | 1787 | CRC | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Murillo Tsijli, Manuel | | | 2004 | CRC | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Solano Cuya, Bryan | m | | 2230 | CRC | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Chaves Williams, Jose Andres | | | 1648 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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