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Individual Calculations September 2011 |
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| Liang, Adream Total change: -24.60 | |   |
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| 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1952 | 1.50 | 4 | -0.32 | 30 | -9.60 | |
|  Jaramillo, Eduardo Alonso | | | 2029 | VEN | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Karman, Allan | | | 2028 | USA | 0.50 | 1 | 0.10 | 30 | 3.00 | |  Helfst, Matt D | | | 1971 | USA | 0.00 | 1 | -0.47 | 30 | -14.10 | | | Britt, Jeff | | | 1909 | USA | 1.00 | 1 | 0.44 | 30 | 13.20 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1952 | 0.00 | 1 | -0.50 | 30 | -15.00 | |
| | Haring, Ruth Inez | | wm | 1955 | USA | 0.00 | 1 | -0.50 | 30 | -15.00 | |
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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