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Individual Calculations July 2013 |
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| Phillips, David W Total change: -16.80 | |   |
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| 2013 Texas State and Amateur Championships | Fort Worth, Texas | USA | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 1903 | 0.00 | 2 | -0.58 | 15 | -8.70 | |
|  Sawyer, Bradley J | | | 2120 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Widener, Andrew J | | | 2006 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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 VI | Richardson, Texas | USA | 2013-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1905 | 2.50 | 4 | -0.54 | 15 | -8.10 | |
| | Kao, Camille Y | | | 1505 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Premkumar, Hiren | | | 1505 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Liu, Bovey | | | 1998 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Mao, Marcus S | | | 1630 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | | | * 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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