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Individual Calculations August 2017 |
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| Zhang, Derek Total change: -24.80 | |   |
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| 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2040 | 2.50 | 7 | -0.62 | 40 | -24.80 | |
|  Perez, Robert M | | | 2365 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Daggupati, Balaji | | | 2160 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Guo, Arthur | f | | 2121 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Samadashvili, Martha | | wf | 1943 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Stevens, Matthew J | | | 2103 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Bauza Mercere, Eduardo | | | 1717 | ARG | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Diano, Eden | | | 2147 | PHI | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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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