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Individual Calculations September 2009 |
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| Phillips, David W Total change: 8.50 | |   |
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| DFW FIDE Open IV | Richardson, Texas | USA | 2009-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1937 | 2.50 | 3 | 0.09 | 25 | 2.25 | |
|  Chiang, Jonathan | | | 1607 | USA | 1.00 | 1 | 0.12 | 25 | 3.00 | |  Chandra, Kevin | | | 1782 | USA | 0.50 | 1 | -0.21 | 25 | -5.25 | | | Chiang, Sarah | | wc | 1673 | USA | 1.00 | 1 | 0.18 | 25 | 4.50 | |
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 |
| 1745 | 1937 | 1.00 | 1 | 0.25 | 25 | 6.25 | |
| | Vempati, Gayatri | | | 1745 | USA | 1.00 | 1 | 0.25 | 25 | 6.25 | |
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) | | |
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