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Individual Calculations December 2019 |
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| Aoyama, Edmundo Total change: 28.60 | |   |
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| Campeonato Panamericano Amateur U2000 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1828 | 6.50 | 9 | 1.43 | 20 | 28.60 | |
|  Diaz Charpentier, Kristel Meliss | | | 1679 | CRC | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Mena Brenes, Deivid | | | 1428 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Estrada, Walter | | | 1966 | COL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Hernandez Luna, Jose Angel | c | | 1819 | MEX | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Nunez Okubo, Isao | c | | 1607 | CRC | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Calvo Campos, Adrian | | | 1702 | CRC | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Solano Cordero, Jorge | | | 1845 | CRC | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Bonilla Sequeira, Pablo | | | 1943 | CRC | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Carvajal Alarcon, Jose Arturo | | | 1928 | MEX | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * 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) | | |
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