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Individual Calculations December 2018 |
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| Herrera, Ramses Total change: -22.40 | |   |
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| Campeonato Panamericano Amateur Absoluto sub 1700 | Panama | PAN | 2018-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1680 | 2.00 | 4 | -0.56 | 40 | -22.40 | |
|  Arostegui Gonzalez, Ricardo | c | | 1569 | CRC | 1.00 | 1 | 0.35 | 40 | 14.00 | |  Rivera Zambrano, Raul | | | 1597 | PAN | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Ferreira Araujo, Aldair Antonio | | | 1628 | PAN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Mendez, Andre | | | 1505 | PAN | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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) | | |
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