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Individual Calculations February 2023 |
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| Zhang, Roger Total change: -89.60 | |   |
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| 55th annual Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1929 | 2.50 | 6 | -2.24 | 40 | -89.60 | |
|  He, Daniel | | | 1770 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | |  Li, Justin Y | | | 1772 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | McCreesh, Brent Logan | | | 1653 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Dubnoff, Micah Simon | | | 1647 | USA | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Ji, Y Luke | | | 1529 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Anatol, Luke Leon Robin | | | 1754 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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