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Individual Calculations August 2019 |
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| Rojas Cisneros, Kevin Total change: 12.60 | |   |
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| JDN U20 Equipos Absoluto 2019 | Ciudad Colon | CRC | 2019-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1952 | 3.50 | 4 | 0.35 | 20 | 7.00 | |
|  Ramirez Madrid, Gerardo Alfonso | f | | 1963 | CRC | 0.50 | 1 | 0.02 | 20 | 0.40 | |  Alvarado Castro, Jeaustin | | | 1552 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Calvo Campos, Adrian | | | 1684 | CRC | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Bonilla Ortiz, Johel Sebastian | | | 1552 * | 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) | | | | Primer Torneo Cerrado Primera Categoria Ricardo Charpentier 2019 | San Jose | CRC | 2019-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1952 | 4.00 | 8 | 0.28 | 20 | 5.60 | |
| | Ulloa Avellan, Oscar | | | 1919 | CRC | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Campos Sanchez, Roberto | | | 2102 | CRC | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Ramirez Madrid, Gerardo Alfonso | f | | 1963 | CRC | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Munoz Garcia, Flavio Estuardo | | | 1871 | CRC | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Peraza Alvarez, Rafael Eduardo | | | 2034 | CRC | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Solis L., Efren A. | c | | 1951 | CRC | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Minero Pineda, Carlos | | | 2065 | CRC | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Bonilla Rodriguez, Andres | | | 1923 | CRC | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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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