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Individual Calculations February 2017 |
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| Porras Chavarria, Steve Total change: 50.80 | |   |
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| Campeonato Nacional Sub 20 Juvenil Sub20 2017 | San Jose | CRC | 2017-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1738 | 6.00 | 8 | 2.54 | 20 | 50.80 | |
|  Chaves Alfaro, Beatriz | | | 1356 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Murillo Gonzalez, Carlos E | c | | 2079 | CRC | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Jimenez Garcia, Emmanuel | f | | 2138 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Carvajal Pena, Daniel | | | 1861 | CRC | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Mendez Gonzalez, Jose Armando | | | 1723 | CRC | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Morera Campos, Hazel Maria | | wf | 1875 | CRC | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Castro Garcia, Ileana | | wc | 1546 | CRC | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Salas Torres, Pamela | | wc | 1787 | CRC | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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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