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Individual Calculations January 2018 |
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| Quiros Araya, Jose Pablo Total change: -13.60 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1994 | 3.00 | 4 | -0.34 | 40 | -13.60 | |
|  Tapia Alvarez, Alejandro | | | 1594 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Gutierrez Soto, Gilberth | | | 1813 | CRC | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Castro Garcia, Ileana | | wc | 1594 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nunez Gonzalez, Neeshmy | | wc | 1796 | CRC | 0.50 | 1 | -0.26 | 40 | -10.40 | | | * 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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