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Individual Calculations December 2019 |
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| Alvarez Alvarez, Johanel Total change: 158.00 | |   |
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| Campeonato Panamericano Amateur U1700 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1160 | 4.00 | 7 | 2.91 | 40 | 116.40 | |
|  Aponte Gomez, Edgar Patricio | | | 1560 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Briones Espino, Martin Daniel | | | 1522 | PAN | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Segura Cordero, Ariel | | | 1378 | CRC | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Reyes Aristizabal, Andres | | | 1560 * | COL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Lobo Meneses, Natalia | | | 1393 | CRC | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Wong Yau, Daniel Segundo | | | 1476 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Guevara Cornejo, Gabriel | | | 1338 | CRC | 1.00 | 1 | 0.73 | 40 | 29.20 | | | * 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) | | | | Torneo Abierto Naranjo 2019 | Naranjo | CRC | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1170 | 2.00 | 5 | 1.04 | 40 | 41.60 | |
| | Munoz Garcia, Flavio Estuardo | | | 1570 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Guillen Murillo, Sergio Guillermo | | | 1570 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hernandez Cerdas, Ignacio | | | 1070 | CRC | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Castro Castillo, Juan Jose | | | 1570 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Molina Alfaro, Ahias | | | 1570 * | CRC | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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