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Individual Calculations December 2016 |
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| Medina Mayorga, David Josue Total change: 46.80 | |   |
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| Campeonato Nacional Infantil por Equipos Sub 14 | Alajuela | CRC | 2016-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1232 | 3.00 | 4 | 1.17 | 40 | 46.80 | |
|  Perez Acuna, Yuliana | | | 1063 | CRC | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Bonilla Morales, Bryan | | | 1466 | CRC | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Angulo Hernandez, Maria Jesus | | | 1182 | CRC | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Nunez Okubo, Isao | c | | 1355 | CRC | 1.00 | 1 | 0.67 | 40 | 26.80 | |
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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