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Individual Calculations February 2018 |
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| De Fotis, Gary Total change: -7.20 | |   |
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| 44th Annual Eastern Open | Falls Church, Virginia | USA | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1957 | 2.50 | 5 | -0.36 | 20 | -7.20 | |
|  Samuelson, Andrew | f | | 2201 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Norman, Dennis | | | 1711 | USA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Luo, Ryan | | | 1785 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Heller, Garrett | | | 1843 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Moore, Johnson | | | 1989 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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