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Individual Calculations January 2010 |
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| Zhao, Parker B Total change: -5.25 | |   |
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| 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2272 | 1.00 | 2 | -0.35 | 15 | -5.25 | |
|  Rosario, Salvador | | | 2159 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |  Most, Eric M | | | 2121 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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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