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Individual Calculations October 2008 |
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| Rivera, Edwardo Total change: 18.00 | |   |
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| La Capital Open | San Juan | PUR | 2008-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2046 | 0.00 | 2 | -0.56 | 15 | -8.40 | |
|  Zapata, Alonso | g | | 2396 | COL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Campiz, Leonardo | | | 2081 | PUR | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | Puerto Rico National Championship | Caguas | PUR | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 2040 | 5.50 | 11 | 1.76 | 15 | 26.40 | |
|  Santa, Juan | m | | 2219 | PUR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Massana, Jorge | | | 2212 | PUR | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Vazquez, Raul | | | 2062 | PUR | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Sosa, Luis | f | | 2127 | PUR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Acevedo, Francisco | | | 2030 | PUR | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Guzman, Carlos | | | 2070 | PUR | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Santana, Miguel | | | 2136 | PUR | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Bermudez, William | | | 2211 | PUR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Machin, Mark | | | 2184 | PUR | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Montalvo, Alejandro | m | | 2264 | PUR | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Velasco, Santiago | f | | 2270 | PUR | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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