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Individual Calculations November 2019 |
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| Hernandez Perez, Javier Francisco Total change: 17.60 | |   |
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| Campeonato Nacional por Equipos Sub10 Infantil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1193 | 1083 | 1.00 | 1 | 0.65 | 40 | 26.00 | |
|  Ramos Rodriguez, Daniel | | | 1193 | CRC | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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) | | | | VII Open Encuentro de Culturas 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1083 | 0.00 | 2 | -0.21 | 40 | -8.40 | |
| | Mendez Gonzalez, Jose Armando | | | 1483 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Bustos Arias, Darien | | | 1402 | CRC | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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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