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Individual Calculations January 2020 |
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| Gu, Ethan Total change: 65.60 | |   |
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| 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 1880 | 3.00 | 5 | 1.64 | 40 | 65.60 | |
|  Chen, Justin | f | | 2241 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Oh, James Y | | | 1676 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Zong, Davis | | | 2110 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Samadashvili, Martha | | wf | 2170 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Lopez-Rojas, Jeffrey | | | 2208 | GER | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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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