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Individual Calculations September 2009 |
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| Chen, Howard Total change: -6.90 | |   |
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| 2009 BC Open Championship | Victoria, British Columbia | CAN | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2423 | 2201 | 0.00 | 1 | -0.22 | 15 | -3.30 | |
|  Hansen, Eric | f | | 2423 | CAN | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2201 | 2.00 | 4 | -0.24 | 15 | -3.60 | |
|  Young, Steven D | | | 1886 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Luchan, Jason G | | | 2123 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Langer, Michael | f | | 2263 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Holt, Conrad | | | 2303 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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