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Individual Calculations April 2008 |
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| Tan, Derek Total change: 45.00 | |   |
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| 25th Annual U.S Amateur Team West | Los Angeles, CA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2123 | 3.50 | 4 | 1.80 | 25 | 45.00 | |
|  Iwamoto, Takashi | f | | 2300 | USA | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Moussa, Alaa-Addin | c | | 2232 | PLE | 0.50 | 1 | 0.15 | 25 | 3.75 | |  Lawrence, Danyul | | | 2054 | USA | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Akopian, Robert | | | 2134 | USA | 1.00 | 1 | 0.52 | 25 | 13.00 | |
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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