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Individual Calculations September 2021 |
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| Nathan, Nitish Sg Total change: -21.60 | |   |
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| 26th Annual Pacific Coast Open - Premier | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1823 | 0.50 | 4 | -1.02 | 40 | -40.80 | |
|  Mohammadi, Sina | | | 1807 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | |  Wang, Andrew | | | 2014 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Rieb, Kyle C | | | 2076 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Meiyappan, Annapoorni | | wf | 1778 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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) | | | | 11th Annual Central California Open - Open | Fresno, California | USA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1823 | 2.50 | 4 | 0.48 | 40 | 19.20 | |
| | Lee, Yesun Kate | | | 1743 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Gallegos, Jeffery Alan | | | 2024 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Leano, Bryan B | | | 1928 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Sathish, Pranav | | | 1571 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | |
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) | | |
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