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Individual Calculations February 2023 |
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| Tarjan, James Edward Total change: -0.60 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2360 | 4.50 | 6 | -0.07 | 10 | -0.70 | |
|  Guo, Ethan | | | 1960 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Lee, Linden Marcus | | | 2026 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Onley, David | | | 2031 | ENG | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Martinez, Isaac | | | 2056 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Sorokin, Aleksey | f | | 2537 | RUS | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Xie, Bryan | c | | 2154 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | * 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) | | | | 14th annual Golden State Open - Major | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2360 | 3.50 | 5 | 0.01 | 10 | 0.10 | |
| | Zhou, Chelsea | | wc | 1960 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Nanugonda, Vishva | | | 1801 | USA | 1.00 | 1 | 0.03 | 10 | 0.30 | | | Wang, Henry | | | 2196 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Chambers, Ezra | f | | 2245 | BDI | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Yoo, Christopher Woojin | g | | 2584 | USA | 0.00 | 1 | -0.22 | 10 | -2.20 | | | * 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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