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Individual Calculations April 2008 |
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| Romero Echeverria, Abigail Total change: 51.90 | |   |
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| XII Grand Prix, 2da. Parada U-2200 | Macas | ECU | 2007-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1909 | 1.00 | 3 | -0.58 | 15 | -8.70 | |
|  Pinoargote, Kasandra | | | 1829 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Ruiz Jaramillo, Cesar | | | 1982 | ECU | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Jarrin Cobos, Jose | | | 1862 | ECU | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | XII Grand Prix, 4ta. Parada U-2200 | Tulcan | ECU | 2007-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1929 | 2.00 | 4 | 0.46 | 15 | 6.90 | |
| | Loza, David | | | 2005 | ECU | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Chavez, Eduardo | | | 2059 | ECU | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Ushina, Luis | | | 1993 | ECU | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Gaybor, Alejandro | | | 1993 | ECU | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | Nacional U-19 Femenino | Guayaquil | ECU | 2007-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1929 | 5.50 | 8 | 1.04 | 15 | 15.60 | |
| | Bohorquez, Maria | | | 1777 | ECU | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Bravo Choez, Betty | | | 1822 | ECU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Heredia Serrano, Carla | | | 1986 | ECU | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Levy Ortiz, Mireya | | | 1921 | ECU | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Caceres, Anara | | | 1843 | ECU | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Vega Cordovilla, Maria Jose | | | 1809 | ECU | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Bravo Choez, Ana | | wg | 1997 | ECU | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Velasco Leiva, Maria Jose | | | 1934 | ECU | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | Pan-American Girls Championship | Riobamba | ECU | 2007-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1929 | 3.50 | 8 | -0.59 | 15 | -8.85 | |
| | Chirivi, Yenny | | wm | 2052 | COL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Arevalo Cordova, Cinthia | | | 1895 | ECU | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Guerrero Suarez, Janitza | | | 1957 | ECU | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Cabezas, Viviana | | | 1813 | ECU | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Velasco Leiva, Maria Jose | | | 1934 | ECU | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Levy Ortiz, Mireya | | | 1921 | ECU | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Rivadeneira Ayala, Maria Bel | | | 1821 | ECU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Herrera, Milena | | wf | 1969 | COL | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | Nacional Semi-Final Femenino | Portoviejo | ECU | 2007-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1929 | 8.00 | 9 | 3.02 | 15 | 45.30 | |
| | Barragan, Vitelia | | | 1797 | ECU | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Prado Reyna, Adriana | | | 1834 | ECU | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Pinoargote, Kasandra | | | 1833 | ECU | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Bravo Choez, Ana | | wg | 1997 | ECU | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Salazar Loor, Sara | | | 1896 | ECU | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Silva Arias, Sandra | | | 1875 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Ortega Castillo, Maria Jose | | | 1905 | ECU | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Heredia Serrano, Carla | | | 1986 | ECU | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Arevalo Cordova, Cinthia | | | 1895 | ECU | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | XII Grand Prix, 10ma. Parada U-2000 | Guayaquil | ECU | 2007-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1947 | 1.50 | 3 | -0.73 | 15 | -10.95 | |
| | Matute Loja, Belen | | | 1728 | ECU | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Godoy Mendia, Steven | | | 1756 | ECU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sanchez Reina, Jhon | | | 1795 | ECU | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | XII Grand Prix, 11ava. Parada U-2000 | Quevedo | ECU | 2007-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1947 | 3.00 | 4 | 0.27 | 15 | 4.05 | |
| | Lozano Cedeno, Jorge | | | 1713 | ECU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Cerezo, Jorge | | | 1597 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Salazar Loor, Rodger | | | 1935 | ECU | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Almagro Carpio, Eugenio | | | 1924 | ECU | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | XIII Grand Prix, 1era. Parada U-2000 | Ambato | ECU | 2008-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1947 | 3.00 | 4 | 0.57 | 15 | 8.55 | |
| | Orejuela, Cristina | | | 1774 | ECU | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Vega Cordovilla, Maria Jose | | | 1801 | ECU | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Vaca, Diego | | | 1934 | ECU | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Saltos, Adrian | | | 1960 | ECU | 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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