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Individual Calculations January 2016 |
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| Zhang, Derek Total change: 33.60 | |   |
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| 51st Annual American Open - U2200 Section | Orange, California | USA | 2015-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2011 | 3.00 | 4 | 0.84 | 40 | 33.60 | |
|  Kiwan, Saleem M | | | 1924 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Narnur, Pranav A | | | 1785 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Gutierrez Castillo, Paloma | | wm | 2164 | ESP | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Lin, Daniel | | | 2050 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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