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Individual Calculations July 2009 |
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| Davila Vega, Juan R. Total change: 7.95 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2168 | 2.00 | 3 | 0.47 | 15 | 7.05 | |
|  Aybar, Omaira | | | 1937 | DOM | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Montalvo Rosario, Alejandro | m | | 2251 | PUR | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Montes De Oca, Alexis | | | 2275 | DOM | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | Puerto Rico National Championship Clasificatory 2009 | Bayamon | PUR | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2168 | 3.00 | 5 | 0.06 | 15 | 0.90 | |
| | Nunez, Walter | | | 2068 | PUR | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Almedina Ortiz, Edgardo J | | | 2087 | PUR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Montanez Nazario, Roberto | | | 2055 | PUR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Sotelo Kohama, Daniel | | | 2152 | PUR | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Berrios Echevarria, Gabriel, Mf | f | | 2156 | 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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