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Individual Calculations February 2023 |
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| Wang, Rachel Zihan Total change: -27.20 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1592 | 3.50 | 7 | -0.73 | 40 | -29.20 | |
|  Liu, Erik | | | 1656 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Hsiao, Oliver | | | 1397 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Yuan, Serena | | | 1477 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Wang, Bohan | | | 1430 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Trey, Justin | | | 1516 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Karthikeyan, Harishkumar | | | 1586 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Sun, Ethan | | | 1528 | 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) | | | | 2023 Seattle New Years Open -- Open Section | Seattle, WA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1592 | 2.00 | 5 | 0.05 | 40 | 2.00 | |
| | Allen,william Austin, Iii | | | 1600 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Erard, Eric Christian | | | 1729 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Saravanan, Sujan | | | 1543 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Tu, Robin | | | 1598 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Zhou, David C | | | 1993 | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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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