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Individual Calculations February 2019 |
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| Solano Saltachin, Ruth Total change: 61.20 | |   |
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| Abierto Internacional Metropolitano U14 2018 | San Jose | CRC | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1192 | 3.50 | 5 | 1.96 | 40 | 78.40 | |
|  Fuentes Solano, Nahum Alfonso | | | 1134 | CRC | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Frater Gonzalez, Gabriel | | | 1335 | CRC | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Diaz Charpentier, Kristel Meliss | | | 1591 | CRC | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Rodriguez Retana, Sofia | | | 1249 | CRC | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Briones Espino, Martin Daniel | | | 1489 | PAN | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | Campeonato Nacional Infantil Absoluto Sub14 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1110 | 1192 | 2.00 | 4 | -0.43 | 40 | -17.20 | |
| | Vargas Abadia, Alejandro | | | 1080 | CRC | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Hernandez Jimenez, Caleb | | | 1004 | CRC | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Fuentes Solano, Nahum Alfonso | | | 1134 | CRC | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Esquivel Jimenez, Douglas Daniel | | | 1223 | CRC | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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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