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Individual Calculations December 2018 |
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| Arostegui Gonzalez, Ricardo Total change: -10.20 | |   |
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| Campeonato Panamericano Amateur Absoluto sub 1700 | Panama | PAN | 2018-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1569 | 2.50 | 5 | -0.51 | 20 | -10.20 | |
|  Osorio, Edgar | | | 1169 * | PAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Herrera, Ramses | | | 1680 | PAN | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Valderrama, Fernando | | | 1169 * | PAN | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Dabraccio, Guillermo | | | 1686 | COL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | McDowell, Sharon | | | 1584 | HON | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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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