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Individual Calculations January 2020 |
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| Urbina, Ricardo Total change: -0.40 | |   |
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| I Torneo Juan Santamaria Grupo A 2019 | Alajuela | CRC | 2019-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2254 | 4.00 | 8 | 0.30 | 20 | 6.00 | |
|  Martinez Duany, Lelys Stanley | g | | 2524 | CUB | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Aizpurua, Patrick | f | | 2345 | PAN | 1.00 | 1 | 0.62 | 20 | 12.40 | |  Urbina Quiroz, Edwin | | | 2179 | CRC | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Leon, Orlando | f | | 2254 | PAN | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Benitez Lozano, Javier | f | | 2378 | MEX | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Jimenez Garcia, Emmanuel | f | | 2355 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Ramirez Madrid, Gerardo Alfonso | f | | 2015 | CRC | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Davila, Carlos | m | | 2208 | NCA | 0.50 | 1 | -0.06 | 20 | -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) | | | | III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2254 | 5.00 | 7 | -0.32 | 20 | -6.40 | |
| | Rodriguez Castillo, Gerardo | | | 1854 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bonilla Morales, Kevin | | | 1854 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rodriguez Arrieta, Maria Elena | | wm | 1900 | CRC | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Martinez Duany, Lelys Stanley | g | | 2524 | CUB | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Picado, Jorge | | | 2193 | NCA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Villegas Rodriguez, Jeremy | | | 1854 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ramirez Marchena, Carlos Andres | | | 1854 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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