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Individual Calculations May 2017 |
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| Phelps, David B Total change: -7.00 | |   |
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| 39th Annual Marchand Open | Rochester, New York | USA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1954 | 1.00 | 3 | -0.35 | 20 | -7.00 | |
|  Callea, Thomas | | | 2223 | USA | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Samadashvili, Martha | | wf | 1934 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Yung, Ethan | | | 1845 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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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