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Individual Calculations February 2015 |
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| Arguello Acuna, Graciela Total change: 21.20 | |   |
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| Campeonato Nacional CRC Sub 20 Femenino 2015 | San Jose | CRC | 2015-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1364 | 1.50 | 6 | 0.53 | 40 | 21.20 | |
|  Ramirez Gonzalez, Maria Jose | | | 1756 | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Morera Campos, Heizel Maria | | wc | 1628 | CRC | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Ramirez Almeciga, Yenny Meliss | | | 1635 | CRC | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Nunez Gonzalez, Neeshmy | | | 1764 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Marin Leon, Valeria | | | 1472 | CRC | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Salas Torres, Pamela | | wc | 1721 | CRC | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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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