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Individual Calculations September 2011 |
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| Pacheco Medina, Hilzandryly Total change: -21.45 | |   |
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| Puerto Rico National Championship 2011 | San Juan | PUR | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1853 | 0.50 | 4 | -1.27 | 15 | -19.05 | |
|  Freyre, Jorge | | | 2116 | PUR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Sotelo Kohama, Daniel | | | 2139 | PUR | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Lopez Flores, Alejandro | | | 1637 | PUR | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Rios Maldonado, Javier | | | 1743 | PUR | 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 Female National Championship 2011 | Ponce | PUR | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1853 | 1.00 | 2 | 0.20 | 15 | 3.00 | |
| | Sanchez Rodriguez, Wilmairi | | wc | 1869 | PUR | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Segarra Choe, Tammy | | wf | 1986 | PUR | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | San German Open | San German | PUR | 2011-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 1853 | 0.00 | 2 | -0.36 | 15 | -5.40 | |
| | Vazquez Reyes, Raul | c | | 2231 | PUR | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Morales Gonzalez, Marcos | | | 2024 | PUR | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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