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Individual Calculations September 2009 |
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| Howard, Corrine Total change: 20.25 | |   |
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| Barbados Under-20 Junior Championships | Bridgetown | BAR | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1710 | 0.50 | 2 | -0.07 | 25 | -1.75 | |
|  Thompson, Boris | | | 1738 | BAR | 0.50 | 1 | 0.04 | 25 | 1.00 | |  Del Castilho, Martyn | | | 2060 | BAR | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | Centroamericano y del Caribe Sub20 Femenino | Medellin | COL | 2009-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 1710 | 3.00 | 9 | 0.88 | 25 | 22.00 | |
| | Romero Echeverria, Abigail | | | 2049 | ECU | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Castrillon Gomez, Melissa | | | 2031 | COL | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Loaiza, Yurani | | | 1975 | COL | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Orozco, Lina Yomayra | | | 2110 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Mencos, Claudia | | | 1921 | GUA | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Granada, Angie | | | 1910 | COL | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Gamboa Carvajal, Manuela | | | 1924 | COL | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Trujillo Urriago, Karen Jo | | | 1589 | COL | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Salazar, Monica Maria | | | 1906 | COL | 0.00 | 1 | -0.25 | 25 | -6.25 | | | * 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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