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Individual Calculations September 2022 |
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| Guo, Ethan Total change: -45.60 | |   |
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| July 2022 BayAreaChess 2-Day Championship Major | Milpitas, CA | USA | 2022-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1837 | 2.00 | 5 | -2.34 | 40 | -93.60 | |
|  Gopi, Umesh | | | 1478 | USA | 0.50 | 1 | -0.40 | 40 | -16.00 | |  Jiang, Leo | | | 1592 | USA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Ganesan, Vikrant | | | 1472 | USA | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Garg, Advik | | | 1579 | USA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Guo, Ella | | | 1437 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2022 US Class National Championship - Masters | Milpitas, CA | USA | 2022-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1963 | 3.50 | 6 | 1.15 | 40 | 46.00 | |
| | Chambers, Ezra | f | | 2241 | BDI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Dai, Xuli | | | 1850 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Diaz, Conrado | | | 2207 | PHI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Yan, Nathan | | | 1916 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Fong, Kevin | | | 2120 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Rajendra, Avinash Shashikala | | | 1983 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | 12th annual Central California Open Major | Fresno CA | USA | 2022-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1963 | 3.00 | 5 | 0.05 | 40 | 2.00 | |
| | Gu, Crystal | | | 1615 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Champsi, Imran | | | 1553 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Khachiyan, Melikset | g | | 2438 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Shrivastav, Kunal | | | 1740 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Sathish, Pranav | | | 2104 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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