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Individual Calculations February 2019 |
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| Lopez Bustos, David Total change: -33.20 | |   |
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| II Torneo Internacional Sub 14 de Liberia 2018 | Liberia | CRC | 2018-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1134 | 1368 | 1.00 | 2 | -0.58 | 40 | -23.20 | |
|  Rojas Arias, Sebastian | | | 1167 | CRC | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Salazar Artavia, Keylor | | | 1101 | CRC | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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 Juvenil Absoluto Sub16 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1368 | 1.00 | 5 | -0.25 | 40 | -10.00 | |
|  Valverde Mora, Mauricio | | | 1651 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Espitia Torres, Mateo | | | 1545 | CRC | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Pastor Carvajal, Jeigoth | | | 1562 | CRC | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Shih Gould, Danny | f | | 1734 | CRC | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Solano Saltachin, Javier | | | 1392 | CRC | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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