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Individual Calculations September 2018 |
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| Davis, Geoffrey Total change: 8.40 | |   |
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| 50th Annual Atlantic Open | Falls Church, Virginia | USA | 2018-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1846 | 1.00 | 2 | 0.21 | 40 | 8.40 | |
|  Marcelino, William | | | 2087 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Jay, Neel | | | 1780 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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) | | |
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