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Individual Calculations April 2009 |
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| Huang, Richard Total change: 21.50 | |   |
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| 2008 Washington Class Championships - Expert Section | Redmond Washington | USA | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1847 | 2.00 | 4 | 1.02 | 25 | 25.50 | |
|  Harmon-Vellotti, L | | | 1978 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Gay, Daniel Zachary | | | 2021 | USA | 0.50 | 1 | 0.23 | 25 | 5.75 | |  Pitre, H G | | | 2014 | USA | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Macgregor, Michael | | | 2197 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1847 | 0.50 | 5 | -0.16 | 25 | -4.00 | |
| | Akobian, Varuzhan | g | | 2197 | USA | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Bournival, Braden | f | | 2197 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Moskow, Eric D | | | 2197 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Haessel, Dale R | f | | 2197 | CAN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Yee, Michael A | | | 2069 | USA | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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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