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Individual Calculations January 2018 |
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| Vega Araya, Edwin Total change: 17.40 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1855 | 2.50 | 4 | 0.87 | 20 | 17.40 | |
|  Nunez Avendano, Manrique | | | 1681 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Murillo Gonzalez, Carlos E | f | | 2111 | CRC | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Fernandez Sibaja, Felipe J | c | | 2101 | CRC | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Jimenez Sancho, Pedro Pablo | | | 1844 | CRC | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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