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Individual Calculations April 2020 |
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| Quiros Acuna, Sebastian Total change: -5.20 | |   |
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| Campeonato Nacional Categorias Menores Impares U13 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1346 | 2.00 | 4 | -0.13 | 40 | -5.20 | |
|  Acuna Nunez, Ignacio | | | 1028 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Barboza Viquez, Martin Eduardo | | | 1515 | CRC | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Segura Cordero, Ariel | | | 1684 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Urbano Murillo, Antonio | | | 1035 | CRC | 1.00 | 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) | | |
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