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Individual Calculations September 2009 |
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| Williams, Mack H Total change: -64.00 | |   |
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| Dallas Chess Club Summer Round Robin | Richardson, Texas | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1749 | 2.50 | 9 | -2.40 | 25 | -60.00 | |
|  He, Tommy O | | | 1671 | USA | 0.00 | 1 | -0.61 | 25 | -15.25 | |  Su, Dion | | | 1451 | USA | 0.50 | 1 | -0.35 | 25 | -8.75 | | | Sneden, Jeffrey C | | | 1751 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Wilson, John D | | | 1751 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Baumann, Glenn | | | 1509 | USA | 0.00 | 1 | -0.80 | 25 | -20.00 | | | Green, Austen Jay | | | 2080 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Jones, Julia E | | | 1451 | USA | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Xiong, Jeffery | | | 1776 | USA | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Jamison, Courtney | | | 1976 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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 |
| 2033 | 1746 | 0.00 | 1 | -0.16 | 25 | -4.00 | |
| | Pamatmat, Jarod M | | | 2033 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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) | | |
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