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Individual Calculations September 2009 |
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| Jamison, Courtney Total change: 12.30 | |   |
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| DFW FIDE Open IV | Richardson, Texas | USA | 2009-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1976 | 1.00 | 1 | 0.22 | 15 | 3.30 | |
|  Lin, Dachey | | | 1756 | USA | 1.00 | 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) | | | | Dallas Chess Club Summer Round Robin | Richardson, Texas | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1976 | 7.50 | 9 | 0.50 | 15 | 7.50 | |
| | Baumann, Glenn | | | 1626 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  He, Tommy O | | | 1671 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Green, Austen Jay | | | 2080 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Su, Dion | | | 1626 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Jones, Julia E | | | 1626 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Sneden, Jeffrey C | | | 1751 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Xiong, Jeffery | | | 1776 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Wilson, John D | | | 1751 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Williams, Mack H | | | 1749 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | DFW FIDE Open V | Richardson, Texas | USA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1976 | 1.00 | 2 | -0.27 | 15 | -4.05 | |
| | He, Tommy O | | | 1685 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Pamatmat, Jarod M | | | 2033 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | XX Panamericano Mar del Plata U18 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1976 | 4.50 | 8 | 0.37 | 15 | 5.55 | |
| | Estrada, Lucia | | wc | 1961 | BOL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Duran Juarez, Citlali | | | 1854 | MEX | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Torres Cancino, Anita | | | 1765 | PER | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Mendoza, Samanta | | | 1839 | BOL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Fernandez, Maria Florencia | | | 2191 | ARG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | McVay, Karsten | | | 1872 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Aliaga Fernandez, Ingrid Y | | wf | 2089 | PER | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Orozco, Lina Yomayra | | | 2148 | COL | 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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