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Individual Calculations December 2019 |
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| Arias Serrano, Luis Antonio Total change: 12.00 | |   |
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| Campeonato Panamericano Amateur U2300 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2115 | 5.50 | 9 | 0.60 | 20 | 12.00 | |
|  Lievano, Luis | c | | 2007 | ESA | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Chinchilla Miranda, Eugenio | f | | 2247 | CRC | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Marson, Juan Miguel | | | 2082 | ARG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Leon, Orlando | f | | 2220 | PAN | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Campos Sanchez, Roberto | | | 2035 | CRC | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Herrmann, Roman | | | 2066 | ARG | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Ulloa, Ruben Abraham | c | | 2180 | PAN | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Alfaro, William | f | | 2103 | NCA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Chung, Yaleika | | wf | 1734 | PAN | 0.50 | 1 | -0.41 | 20 | -8.20 | |
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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