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Individual Calculations January 2015 |
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| Gu, Alan 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 |
| 2138 | 1981 | 1.00 | 5 | -0.49 | 40 | -19.60 | |
|  Colas, Joshua | | | 2220 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Brodsky, David | f | | 2070 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Minear, Peter | | | 2217 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Katz, Michael S | | | 2183 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Chen, Andy | | | 2001 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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