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Individual Calculations January 2018 |
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| Bogantes Robleto, Karina Total change: -26.20 | |   |
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| I Copa Goicoechea 2017 | Guadalupe | CRC | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1686 | 1.50 | 5 | -1.76 | 20 | -35.20 | |
|  Solano Cordero, Jorge | | | 1633 | CRC | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Nunez Okubo, Isao | c | | 1514 | CRC | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Castro Garcia, Ileana | | wc | 1561 | CRC | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Ramirez Marchena, Carlos Andres | | | 1640 | CRC | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Castro Garcia, Alejandro | | | 1512 | CRC | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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) | | | | Campeonato Zonal Femenino Zona 2.3.2 FIDE | San Salvador | ESA | 2017-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1686 | 4.50 | 9 | 1.30 | 20 | 26.00 | |
| | Richards, Deborah | | wm | 2025 | JAM | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Salazar Gould, Melanie | | wf | 1755 | CRC | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Palacios, Celina | | | 1677 | ESA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Morera Campos, Hazel Maria | | wm | 1863 | CRC | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Aguilar, Jackeline Estrella | | | 1723 | ESA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Figueroa Gonzalez, Karen Luvia | | | 1710 | GUA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Ortez, Andrea | | wf | 1827 | ESA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Guillen Cristobal, Sandra N | | | 1699 | MEX | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Morera Campos, Yanori Maria | | wc | 1942 | CRC | 0.50 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1686 | 1.00 | 5 | -0.85 | 20 | -17.00 | |
| | Hernandez Coto, Carlos Enrique | | | 1908 | CRC | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Nunez Gonzalez, Neeshmy | | wc | 1796 | CRC | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Rivera Obando, Juan Jose | | | 1588 | CRC | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Fernandez Sibaja, Felipe J | c | | 2086 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Solano Cordero, Jorge | | | 1633 | CRC | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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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