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Individual Calculations February 2016 |
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| Duran Vega, Sergio Total change: -19.00 | |   |
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| Magistral Mijail Tal Preolimpico 2015 | San Jose | CRC | 2016-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2306 | 2.50 | 7 | -1.77 | 20 | -35.40 | |
|  Chinchilla Miranda, Eugenio | f | | 2195 | CRC | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Alfaro Rojas, Alfonso Jose | f | | 2305 | CRC | 0.50 | 1 | 0.00 | 20 | 0.00 | |  Solano Cuya, Bryan | | | 2171 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Bonilla Sequeira, Pablo | | | 2026 | CRC | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Valdes Romero, Leonardo | m | | 2363 | CRC | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Arias Santana, Mauricio | m | | 2308 | CRC | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Jimenez Garcia, Emmanuel | f | | 2169 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | Copa Fraternidad AD Moravia 2016 | San Jose | CRC | 2016-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2355 | 2306 | 1.50 | 2 | 0.64 | 20 | 12.80 | |
| | Ampie, Mauro | f | | 2355 | NCA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Ampie, Mauro | f | | 2355 | NCA | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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 Abierto Internacional de Alajuela 2016 | Alajuela | CRC | 2016-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2306 | 6.50 | 9 | 0.18 | 20 | 3.60 | |
| | Granados Ramirez, Carlos Ricardo | | | 2122 | CRC | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Gonzalez Acosta, Jaime Roy | | | 1989 | CRC | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Alvarado, Dizan Ernesto | | | 1988 | CRC | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Arias Santana, Mauricio | m | | 2308 | CRC | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Leon, Orlando | | | 2046 | PAN | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Mitkov, Nikola | g | | 2455 | MKD | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Gomez Huertas, Stanley | | | 1987 | CRC | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Carranza Fernandez, Jorge | | | 1906 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ampie, Mauro | f | | 2355 | NCA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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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