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Individual Calculations November 2017 |
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| Tapia Alvarez, Alejandro Total change: -26.80 | |   |
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| Campeonato Nacional Juvenil Sub18 por Equipos 2017 | Cartago | CRC | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1453 | 0.00 | 3 | -0.67 | 40 | -26.80 | |
|  Zeledon Perez, Edgar | | | 1790 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Bonilla Morales, Bryan | | | 1477 | CRC | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Quesada Campos, Jordi Alessandre | c | | 1853 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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