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Individual Calculations July 2009 |
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| Nunez Velez, Walter Total change: -21.00 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2068 | 1.50 | 4 | -0.64 | 25 | -16.00 | |
|  Almedina Ortiz, Edgardo J. | | | 2087 | PUR | 1.00 | 1 | 0.53 | 25 | 13.25 | |  Machin Rivera, Mark | | | 2152 | PUR | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Tineo, Federico | | | 2074 | DOM | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Segarra Choe, Tammy | | | 1825 | PUR | 0.50 | 1 | -0.30 | 25 | -7.50 | |
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 |
| 2121 | 2068 | 1.50 | 4 | -0.20 | 25 | -5.00 | |
| | Davila, Juan | | | 2168 | PUR | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Sotelo Kohama, Daniel | | | 2152 | PUR | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Rodriguez Santiago, Jaime | | | 2117 | PUR | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Rivera, Edwardo | | | 2045 | PUR | 0.00 | 1 | -0.53 | 25 | -13.25 | |
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) | | |
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