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Individual Calculations January 2018 |
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| Nunez Valverde, Jairo Total change: 5.20 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1875 | 5.50 | 8 | 0.26 | 20 | 5.20 | |
|  Quiros Acuna, Nicole | | | 1475 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rojas Salazar, Gustavo | | | 1475 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alfaro Guillen, Jose Raul | | | 2048 | CRC | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Castro Garcia, Ileana | | wc | 1561 | CRC | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Diaz Calderon, Jahir | | | 1475 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Campos Cerdas, Jorge | | | 1860 | CRC | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Murillo Gonzalez, Carlos E | f | | 2111 | CRC | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Solano Cruz, Agustin | | | 1777 | CRC | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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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