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Individual Calculations January 2018 |
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| Aguilar Pina, Luis Gerardo Total change: 20.40 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1872 | 4.50 | 8 | 0.50 | 20 | 10.00 | |
|  Herrera Granados, Felipe | | | 1472 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vilpoux, Jeremie | | | 2090 | FRA | 0.50 | 1 | 0.28 | 20 | 5.60 | |  Chinchilla Miranda, Eugenio | f | | 2186 | CRC | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Gutierrez Soto, Gilberth | | | 1813 | CRC | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Hidalgo Barrantes, Mario Alberto | | | 1779 | CRC | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Solis L., Efren A. | | | 2048 | CRC | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hernandez Coto, Carlos Enrique | | | 1908 | CRC | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Quiros Cajina, Allan | | | 1644 | CRC | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * 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) | | | | I Torneo Abierto de Liberia 2017 | Liberia | CRC | 2017-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 1872 | 1.00 | 2 | 0.52 | 20 | 10.40 | |
| | Chaves Sanchez, Gabriel A | | | 2102 | CRC | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Castro Madrigal, Randall | | | 2048 | CRC | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | |
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