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Individual Calculations April 2009 |
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| Wang, Eigen Total change: -9.00 | |   |
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| 4th Annual Empire State Open | Saratoga Springs, New York | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2166 | 1.50 | 4 | -0.20 | 25 | -5.00 | |
|  Arkell, Keith C | g | | 2516 | ENG | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Tuhrim, Richard J | | | 2020 | USA | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Swaminathan, Rahul K | | | 1998 | USA | 0.50 | 1 | -0.22 | 25 | -5.50 | | | Lenderman, Alex | m | | 2443 | USA | 0.00 | 1 | -0.17 | 25 | -4.25 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2166 | 0.50 | 1 | -0.16 | 25 | -4.00 | |
| | Haring, Ruth Inez | | wm | 2049 | USA | 0.50 | 1 | -0.16 | 25 | -4.00 | |
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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