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Individual Calculations September 2012 |
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| Ng, Andrew Total change: -1.95 | |   |
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| 113th Annual US Open | Vancouver, Washington | USA | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2173 | 3.00 | 4 | 1.01 | 15 | 15.15 | |
|  Cohen, Micah | | | 2027 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |  Feng, Roland | | | 2085 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Ramirez, Alejandro | g | | 2559 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | May, Andy P | | | 2113 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | 2012 Denker Tournament of High School Champions | Vancouver, Washington | USA | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2173 | 1.00 | 3 | -1.14 | 15 | -17.10 | |
| | Zhou, Kevin L | | | 1949 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Chakraborty, Dipro | | | 2171 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Huang, David | | | 1861 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | |
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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