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Individual Calculations July 2009 |
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| Berrios Echevarria, Gabriel, Mf Total change: 5.10 | |   |
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| Puerto Rico National Championship Clasificatory 2009 | Bayamon | PUR | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2156 | 3.00 | 5 | 0.34 | 15 | 5.10 | |
|  Montanez Nazario, Roberto | | | 2055 | PUR | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Ramirez, Carlos | | | 2189 | PUR | 1.00 | 1 | 0.55 | 15 | 8.25 | |  Sotelo Kohama, Daniel | | | 2152 | PUR | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Freyre, Jorge | | | 2100 | PUR | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Davila, Juan | | | 2168 | PUR | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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