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Individual Calculations January 2012 |
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| Zepeda, Lorena Total change: 2.40 | |   |
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| Panama Chess Open | Panama | PAN | 2011-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 2125 | 2.50 | 6 | 0.07 | 15 | 1.05 | |
|  Gallegos, Carlos | m | | 2404 | VEN | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Baules, Jorge | m | | 2380 | PAN | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Uribe Arteaga, Daniel | | | 2228 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Mathews, Cesar | c | | 1980 | PAN | 0.50 | 1 | -0.19 | 15 | -2.85 | |  Garces, Javier | | | 2014 | COL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Cu Hor, Winston Darwin | f | | 2215 | GUA | 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) | | | | III Campeonato Centroamericano y del Caribe Femenino "El Salvador 2011" | San Salvador | ESA | 2011-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2125 | 6.00 | 8 | 0.09 | 15 | 1.35 | |
| | Dominguez, Ana | | | 1796 | ESA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Sanchez, Ingrid | | wc | 1911 | ESA | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Zepeda, Sonia | | wm | 2049 | ESA | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Hernandez, Bera | | | 1813 | ESA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Marrero Lopez, Yaniet | | wg | 2278 | CUB | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Mendieta, Kathya | | wc | 1725 * | NCA | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Lopez, Erika Esmeralda | | | 1828 | ESA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Melendez, Gabriela | | wf | 1947 | ESA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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