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Individual Calculations April 2017 |
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| Arnold, Justin N Total change: -18.40 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2029 | 2.00 | 4 | -0.46 | 40 | -18.40 | |
|  Parker, Anthony Lee | | | 1979 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Wu, Logan | | | 1931 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Meruga, Shanmukha | | | 2007 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Nastasio, Davide | | | 1850 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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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