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Individual Calculations January 2012 |
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| Yedidia, Jonathan Total change: -7.80 | |   |
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| 42nd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2421 | 2368 | 0.50 | 3 | -0.78 | 10 | -7.80 | |
|  Kudrin, Sergey | g | | 2540 | USA | 0.50 | 1 | 0.23 | 10 | 2.30 | |  Kacheishvili, Giorgi | g | | 2590 | GEO | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Mo, Kevin | | | 2134 | USA | 0.00 | 1 | -0.79 | 10 | -7.90 | |
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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