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Individual Calculations January 2015 |
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| Li, Ethan Total change: -19.60 | |   |
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| 45th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2288 | 2.00 | 5 | -0.98 | 20 | -19.60 | |
|  Erenburg, Sergey | g | | 2599 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Yang, Christopher | | | 2117 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Tanenbaum, Zachary | | | 2035 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Lim, Michael | c | | 2129 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Colas, Joshua | | | 2220 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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