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Individual Calculations July 2019 |
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| Bragg, David R Total change: -1.20 | |   |
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| 2019 Washington Open | Lynnwood, Washington | USA | 2019-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 2050 | 3.50 | 4 | 0.51 | 20 | 10.20 | |
|  Toppen-Ryan, Harrison Michael | | | 1763 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Jiang, Brandon | | | 1852 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | |  Chen, Minda | | wf | 1894 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Frantz, Joseph | | | 1915 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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) | | | | PNWCC FIDE Open June 2019 | Kirkland, Washington | USA | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2056 | 2.50 | 5 | -0.57 | 20 | -11.40 | |
| | Vijayakumar, Advaith | | | 1728 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Zhang, Eric | | | 1997 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Rambaldi, Francesco | g | | 2456 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nair, Roshen | | | 1924 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Beck, Alec | | | 1747 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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