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Individual Calculations February 2017 |
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| Salas Torres, Pamela Total change: -34.00 | |   |
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| Final Campeonato Nacional Femenino 2017 | San Jose | CRC | 2017-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1787 | 2.50 | 9 | -1.75 | 20 | -35.00 | |
|  Rodriguez Arrieta, Maria Elena | | wm | 1928 | CRC | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Bogantes Robleto, Karina | | | 1647 | CRC | 0.00 | 1 | -0.69 | 20 | -13.80 | |  Salazar Gould, Melanie | | wf | 1606 | CRC | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Castillo Morales, Thais | | wc | 1769 | CRC | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Morera Campos, Yanori Maria | | | 1860 | CRC | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Ramirez Gonzalez, Maria Jose | | | 1871 | CRC | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Morera Campos, Hazel Maria | | wf | 1875 | CRC | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Gamboa Alvarado, Olga Leticia | | wf | 1913 | CRC | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Acevedo Mendez, Jennifer | | wf | 1792 | CRC | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | Campeonato Nacional Sub 20 Juvenil Sub20 2017 | San Jose | CRC | 2017-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1787 | 4.50 | 8 | 0.05 | 20 | 1.00 | |
| | Guzman Benavides, Steven | | | 1387 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jimenez Garcia, Emmanuel | f | | 2187 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Solis Prieto, Javier | | | 1589 | CRC | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Bonilla Morales, Kevin | | | 1664 | CRC | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Morera Campos, Hazel Maria | | wf | 1875 | CRC | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Murillo Gonzalez, Carlos E | c | | 2079 | CRC | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Chaves Alfaro, Beatriz | | | 1387 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Porras Chavarria, Steve | | | 1738 | 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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