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Individual Calculations September 2011 |
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| Chiang, Sarah Total change: -0.75 | |   |
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| 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 1962 | 2.00 | 8 | 0.23 | 15 | 3.45 | |
|  Young, Gregory | | | 2327 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Sturt, Raven M | | | 2294 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Sandager, Stephen | | | 2134 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Jayakumar, Adarsh | | | 2170 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Shen, Arthur | f | | 2146 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Tuhrim, Richard J | | | 2173 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Leve, Nitai D | | | 2131 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Most, Eric M | | | 2129 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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 DCC FIDE Open VII | Richardson, Texas | USA | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1982 | 2.00 | 3 | -0.14 | 15 | -2.10 | |
| | Vaidya, Atulya | | | 1825 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Li, Ruifeng | | | 1877 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Shao, Andy | | | 1748 | USA | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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 VIII | Richardson, Texas | USA | 2011-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1982 | 2.00 | 3 | -0.14 | 15 | -2.10 | |
| | Atriwal, Anshumaan | | | 1682 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Xiong, Jeffery | f | | 1979 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Shao, Andy | | | 1748 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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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