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Individual Calculations February 2019 |
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| Hernandez Leandro, Aliza Total change: -27.39 | |   |
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| Abierto Internacional Metropolitano B 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1311 | 1.50 | 4 | 0.71 | 33 | 23.43 | |
|  Torres Romero, Cristhian | | | 1594 | CRC | 1.00 | 1 | 0.84 | 33 | 27.72 | |  Ramirez Almeciga, Yenny Melisa | | | 1704 | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Ramirez Marchena, Carlos Andres | | | 1538 | CRC | 0.00 | 1 | -0.21 | 33 | -6.93 | | | Cedeno Caceres, Stif | | | 1427 | CRC | 0.50 | 1 | 0.16 | 33 | 5.28 | |
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 Nacional Femenino 2019 | San Jose | CRC | 2019-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1304 | 1.00 | 9 | -0.66 | 33 | -21.78 | |
| | Gamboa Alvarado, Olga Leticia | | wf | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Salazar Gould, Melanie | | wf | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Marin Leon, Valeria | | wc | 1681 | CRC | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Diaz Charpentier, Kristel Meliss | | | 1591 | CRC | 0.00 | 1 | -0.16 | 33 | -5.28 | | | Mayorga Araya, Sofia | | | 1195 | CRC | 1.00 | 1 | 0.35 | 33 | 11.55 | | | Hernandez Alvarez, Tania Regla | | wm | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Rodriguez Arrieta, Maria Elena | | wm | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Angulo Hernandez, Maria Jesus | | | 1406 | CRC | 0.00 | 1 | -0.36 | 33 | -11.88 | | | Castillo Morales, Thais | | wm | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | * 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) | | | | Campeonato Nacional Juvenil Absoluto Sub18 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1304 | 2.50 | 8 | -0.88 | 33 | -29.04 | |
| | Calvo Campos, Adrian | | | 1506 | CRC | 0.00 | 1 | -0.24 | 33 | -7.92 | | | Perez Granados, Marian | | | 1128 | CRC | 1.00 | 1 | 0.27 | 33 | 8.91 | | | Mata Tencio, Randall | | | 1660 | CRC | 0.00 | 1 | -0.11 | 33 | -3.63 | | | Cedeno Caceres, Stif | | | 1427 | CRC | 0.50 | 1 | 0.17 | 33 | 5.61 | | | Bolanos Diaz, Daniel | | | 1273 | CRC | 1.00 | 1 | 0.46 | 33 | 15.18 | | | Zeledon Perez, Edgar | | | 1704 * | CRC | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Alvarez Alvarez, Jonahel | | | 1068 | CRC | 0.00 | 1 | -0.80 | 33 | -26.40 | | | Cardenas Vargas, Jean Carlo | | | 1268 | CRC | 0.00 | 1 | -0.55 | 33 | -18.15 | | | * 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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