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Individual Calculations July 2008 |
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| Rivera, Eduardo Total change: -5.50 | |   |
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| Jose de Diego Open | Aguadilla | PUR | 2008-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2046 | 1.00 | 3 | -0.09 | 25 | -2.25 | |
|  Santa Torres, Juan | m | | 2206 | PUR | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Santana Alvarado, Miguel | | | 2143 | PUR | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Nunez Velez, Walter | | | 2095 | PUR | 0.50 | 1 | 0.07 | 25 | 1.75 | |
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) | | | | El Trabajador Open | Bayamon | PUR | 2008-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2046 | 0.50 | 4 | -0.82 | 25 | -20.50 | |
|  Santana, Alvarado Miguel | | | 2143 | PUR | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Tanco-Correa, Daniel | | | 2091 | PUR | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Daniel, Sotelo-Kohama | | | 2122 | PUR | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Zapata, Alonso | g | | 2396 | COL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | NOTE: K factor changed | | PUERTO RICO NATIONAL CHAMPIONSHIP CLASIFICATORY 2008 | BAYAMON | PUR | 2008-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2046 | 3.00 | 5 | 1.15 | 15 | 17.25 | |
| | Sosa, Luis | f | | 2141 | PUR | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Velasco, Santiago | f | | 2287 | PUR | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Daniel, Sotelo-Kohama | | | 2122 | PUR | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Guzman, Carlos | | | 2041 | PUR | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Santana-Alvarado, Miguel | | | 2143 | PUR | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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