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Individual Calculations January 2012 |
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| Koenig, David E Total change: 1.80 | |   |
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| 42nd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 2261 | 1.00 | 1 | 0.12 | 15 | 1.80 | |
|  Shi, Jason | | | 1923 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | |
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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