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Individual Calculations June 2013 |
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| Espinoza, Efrain Total change: -19.80 | |   |
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| Campeonato Nacional 2013. Semifinal | Ciudad de Panama | PAN | 2013-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1898 | 1.00 | 4 | -0.66 | 30 | -19.80 | |
|  Bonilla, Felix | | | 2087 | PAN | 0.50 | 1 | 0.25 | 30 | 7.50 | |  Herrera, Benjamin | | | 1851 | PAN | 0.00 | 1 | -0.57 | 30 | -17.10 | | | Mathews, Cesar | c | | 2036 | PAN | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Sun Chin, Robert Patrick | | | 1877 | PAN | 0.50 | 1 | -0.03 | 30 | -0.90 | |
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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