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Individual Calculations January 2020 |
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| Alvarado Machado, Verny Total change: -21.40 | |   |
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| III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1874 | 1.00 | 4 | -1.07 | 20 | -21.40 | |
|  Davila, Carlos | m | | 2208 | NCA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Orozco Rodriguez, Yarod G | | | 1483 | CRC | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Ramirez Marchena, Carlos Andres | | | 1581 | CRC | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Cardenas Carbajal, Nilson | | | 2120 | HON | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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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