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Individual Calculations January 2020 |
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| Martinez Duany, Lelys Stanley Total change: 1.80 | |   |
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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 |
| 2261 | 2524 | 7.50 | 9 | 0.18 | 10 | 1.80 | |
|  Urbina, Ricardo | m | | 2254 | HON | 1.00 | 1 | 0.17 | 10 | 1.70 | |  Urbina Quiroz, Edwin | | | 2179 | CRC | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Leon, Orlando | f | | 2254 | PAN | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Benitez Lozano, Javier | f | | 2378 | MEX | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Jimenez Garcia, Emmanuel | f | | 2355 | CRC | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Gonzalez Galvan, Juan Manuel | f | | 2249 | ESP | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Ramirez Madrid, Gerardo Alfonso | f | | 2124 * | CRC | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Davila, Carlos | m | | 2208 | NCA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Aizpurua, Patrick | f | | 2345 | PAN | 0.50 | 1 | -0.23 | 10 | -2.30 | | | * 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) | | | | III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2524 | 6.00 | 7 | 0.00 | 10 | 0.00 | |
| | Cardenas Vargas, Jean Carlo | | | 2124 * | CRC | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Nunez Okubo, Isao | c | | 2124 * | CRC | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Peraza Alvarez, Rafael Eduardo | | | 2124 * | CRC | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Urbina, Ricardo | m | | 2254 | HON | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Valdes Romero, Leonardo | m | | 2407 | CRC | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Picado, Jorge | | | 2193 | NCA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Davila, Carlos | m | | 2208 | NCA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | * 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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