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Individual Calculations October 2013 |
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| Gu, Brian F Total change: 27.90 | |   |
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| 79th Annual Southwest Open | Irving, Texas | USA | 2013-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 1698 | 1.50 | 5 | 0.49 | 15 | 7.35 | |
|  Ramachandran, Karthik | | | 2098 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kowal, Joshua | | | 1993 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Jamison, Courtney | | | 2011 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Irwin, Philip | | | 1848 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Shan, Devan | | | 1813 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | * 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) | | | | 2013 DCC FIDE Open IX | Richardson, Texas | USA | 2013-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1698 | 2.50 | 4 | 1.37 | 15 | 20.55 | |
| | Chiang, Jonathan | f | | 2098 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Nagireddy, Sai R | | | 1538 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Chiang, Sarah | | wf | 2076 | USA | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Obili, Abhishek | | | 1892 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | * 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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