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Individual Calculations January 2009 |
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| Peters, Jack Total change: -13.80 | |   |
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| Los Angeles Open | Los Angeles, CA | USA | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2397 | 1.00 | 3 | -1.38 | 10 | -13.80 | |
|  Kurosaki, Takashi | | | 2118 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Small, Gregg H | | | 2240 | USA | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Gutman, Joshua | | | 2124 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | |
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) | | |
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