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Individual Calculations May 2019 |
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| Barquero Alfaro, Alejandro Total change: -14.80 | |   |
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| I Torneo Abierto de Curridabat 2019 | Curridabat | CRC | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1349 | 2.00 | 6 | -0.37 | 40 | -14.80 | |
|  Solis L., Efren A. | c | | 1749 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Munoz Garcia, Flavio Estuardo | | | 1749 * | CRC | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Sandi Quiros, Deborah | | | 1292 | CRC | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Arias Gomez, Luis Alfredo | | | 1192 | CRC | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Cambronero Ramirez, Ronald | | | 1554 | CRC | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Porras Chavarria, Pamela Maria | | | 1219 | CRC | 1.00 | 1 | 0.32 | 40 | 12.80 | | | * 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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