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Individual Calculations February 2023 |
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| Yan, Nathan Total change: -4.00 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1978 | 4.50 | 8 | 0.91 | 40 | 36.40 | |
|  Drippe, John M | | | 1731 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Lee, Alice | f | wm | 2292 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Gu, Crystal | | | 1686 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Matta, Nicholas F | | | 2167 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Bian, Erin | | wf | 2119 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Mei, Austin R | f | | 2225 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Sampath, Vedanth | | | 1781 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Zhou, Aiden | | | 2135 | CAN | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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 Dreaming King Open | Los Angeles, CA | USA | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 2013 | 1.00 | 2 | -0.66 | 40 | -26.40 | |
| | Ke, Rianne | | wc | 1730 | USA | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Chinchwadkar, Om | | | 1746 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | Bay Area Schevenigen Challengers - Group 2 | Milpitas, CA | USA | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2013 | 0.50 | 4 | -0.35 | 40 | -14.00 | |
| | Campos, Augusto Cesar | m | | 2377 | CUB | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Yu, Jiangwei | | | 2154 | CHN | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Wang, Henry | | | 2196 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wu, Derek | f | | 2275 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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