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Blitz:
Individual Calculations September 2014 |
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| Chaves Williams, Jose Andres Total change: 2.80 | |   |
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| Campeonato Relámpago de Costa Rica por Equipos 2014 | San Jose | CRC | 2014-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1762 | 1.00 | 3 | 0.14 | 20 | 2.80 | |
|  Murillo Tsijli, Manuel | | | 2032 | CRC | 1.00 | 1 | 0.83 | 20 | 16.60 | |  Redondo Vargas, Diego Alejandr | | | 1867 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Fernandez Sibaja, Felipe J | | | 1891 | CRC | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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