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Individual Calculations July 2011 |
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| Xiong, Jeffery Total change: -0.45 | |   |
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| DCC FIDE Open V | Dallas, Texas | USA | 2011-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1979 | 3.00 | 4 | 0.62 | 15 | 9.30 | |
|  Phillips, David W | | | 1912 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |  He, Tommy O | f | | 1829 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Roring, Tres | | | 2007 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Li, Ruifeng | | | 1884 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 2011 Texas State and Amateur Championships | Dallas, Texas | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1979 | 2.50 | 6 | -0.52 | 15 | -7.80 | |
| | Su, Dion | | | 1579 * | USA | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Dejmek, Mark W | | | 2068 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Safin, Artur K | | | 2224 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Green, Austen | | | 2045 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Lin, Dachey | | | 1829 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Zhang, Vincent | | | 2043 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | * 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) | | | | DCC FIDE Open VI | Richardson, Texas | USA | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1979 | 1.00 | 2 | -0.13 | 15 | -1.95 | |
| | Pamatmat, Jarod M | | | 2145 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Pamatmat, Jordan J | | | 1681 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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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