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Individual Calculations October 2008 |
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| Sana, Mariano Total change: -33.50 | |   |
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| 2008 US Class Championships | Houston, Texas | USA | 2008-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2150 | 1.50 | 3 | -0.13 | 25 | -3.25 | |
|  Langer, Michael | f | | 2280 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | |  Sawyer, Bradley J | | | 2096 | USA | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Coraretti, Benjamin | | | 1978 | USA | 1.00 | 1 | 0.27 | 25 | 6.75 | |
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) | | | | 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2150 | 0.00 | 3 | -1.21 | 25 | -30.25 | |
| | Uesugi, Shinsaku | | | 2227 | JPN | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Yeager, Daniel A | f | | 2335 | USA | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Rogers, Bradley K | | | 2106 | USA | 0.00 | 1 | -0.56 | 25 | -14.00 | |
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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