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Individual Calculations April 2018 |
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| Salazar Artavia, Keylor Total change: 36.80 | |   |
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| IV Classic Cortazar Esperanzas 2018 | San Pedro | CRC | 2018-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1077 | 2.00 | 5 | 0.92 | 40 | 36.80 | |
|  Arguello Acuna, Graciela | | | 1409 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Rivera Coto, Isaac | | | 1477 * | CRC | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Alvarez Ugalde, Isaac | | | 1109 | CRC | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Ruiz Coronado, Maykel | | | 1366 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Cartin Aguilar, Luis Javier | | | 1262 | CRC | 0.00 | 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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