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Individual Calculations February 2020 |
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| Araya Tropper, Ariel Total change: 58.40 | |   |
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| Torneo Abierto Metropolitano Grupo B 2019 | San Jose | CRC | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1116 | 0.00 | 3 | -0.43 | 40 | -17.20 | |
|  Semana Ramirez, Jerian | | | 1495 | CRC | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Calderon Brenes, Brandon | | | 1357 | CRC | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Frater Gonzalez, Gabriel | | | 1426 | CRC | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | | | Torneo ADACHE Enero A 2020 | San Jose | CRC | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1097 | 1116 | 6.50 | 9 | 1.87 | 40 | 74.80 | |
| | Lopez Hangen, Miguel Angel | | | 783 | CRC | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Ramos Rodriguez, Daniel | | | 1224 | CRC | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Arguello Acuna, Graciela | | | 1397 | CRC | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Esquivel Calderon, Neddy | | | 783 | CRC | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Chinchilla Nunez, Sebastian | | | 1128 | CRC | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Acuna Nunez, Ignacio | | | 1014 | CRC | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Salas Estrada, Ana Maria | | | 1302 | CRC | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Murillo Rojas, Pablo Samuel | | | 1091 | CRC | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Morales Cascante, Luis Diego | | | 1150 | CRC | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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 Sub14 2020 | Escazu | CRC | 2020-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1116 | 1.50 | 5 | 0.02 | 40 | 0.80 | |
| | Ramirez Madrid, Daniel Alberto | | | 1458 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Cubillo Duran, Aaron | | | 1158 | CRC | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Vargas Solano, Aaron | | | 1300 | CRC | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Castillo Mena, Carlos Mario | | | 1402 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Vargas Abadia, Alejandro | | | 1116 | CRC | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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) | | |
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