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Individual Calculations September 2017 |
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| Du, Jeffrey Total change: -0.80 | |   |
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| 7th Annual Potomac Open - U2100 | Rockville, Maryland | USA | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1866 | 1.00 | 2 | -0.29 | 40 | -11.60 | |
|  Hu, Emily Jia | | | 1726 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | |  Molodtsov, Konstantin | | | 1794 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | 6th Annual Washington International - Experts | Rockville, Maryland | USA | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1866 | 5.00 | 8 | 0.27 | 40 | 10.80 | |
| | Bogin, Theodore | | | 1889 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Senft, Sean | | | 2000 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Tan, Richard T | | | 1955 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Mahajan, Rushaan | | | 1639 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Wu, Eric Sheng | | | 1724 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Nair, Siddhant | | | 1659 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Luo, Terry | | | 1668 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Keisler, Philip | | | 1830 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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