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Individual Calculations April 2008 |
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| Zepeda, Lorena Total change: 30.75 | |   |
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| Zonal 2.3 Women | Santo Domingo | DOM | 2007-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2167 | 8.50 | 13 | 0.85 | 15 | 12.75 | |
|  Mateus, Martha | | | 2130 | COL | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Pina, Sulennis | | wg | 2322 | CUB | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Han, Irene | | wm | 2072 | VEN | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Zepeda, Sonia | | wm | 2040 | ESA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Sanchez, Celsa | | | 2053 | VEN | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Rincon, Drina | | | 2004 | VEN | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Estrada, Nelly | | wc | 2079 | MEX | 1.00 | 1 | 0.38 | 15 | 5.70 | | | De La Cruz, Mercedes | | wf | 2093 | DOM | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Arribas, Maritza | | wg | 2335 | CUB | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Franco, Angela | | wf | 2124 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Munoz, Dorisbel | | | 1938 | DOM | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Guerrero, Alejandra | | wm | 2126 | MEX | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Han, Ingrid | | | 2004 | VEN | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Internacional de Alajuela 2007 | Alajuela | CRC | 2007-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2145 | 0.50 | 1 | 0.12 | 15 | 1.80 | |
| | Guillen, Jose Antonio | f | | 2232 | HON | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | Campeonato Centroamericano Femenino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2145 | 3.50 | 5 | 0.16 | 15 | 2.40 | |
| | Mencos, Claudia | | | 1980 | GUA | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Munoz, Carolina | | | 2059 | CRC | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Zepeda, Sonia | | wm | 2045 | ESA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Castaneda, Ada | | wf | 2049 | ESA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Pastor, Tania | | wf | 1972 | ESA | 1.00 | 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) | | | | III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2145 | 4.50 | 6 | 0.92 | 15 | 13.80 | |
| | Avelar, Gabriela | | wf | 1965 | ESA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Hernandez, Virgilio | | | 1996 | ESA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Martinez, Nelson | f | | 2177 | ESA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Sandoval, Mario | | | 1931 | ESA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Chavez, Ricardo Ernesto | f | | 2195 | ESA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Chavez, Hector Eduardo | | | 2157 | ESA | 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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