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Individual Calculations September 2022 |
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| Diaz, Conrado Total change: -27.80 | |   |
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| 2nd Peter Grey Memorial Tuesday Night Marathon - 1800+ Round 4-7 | San Francisco, California | USA | 2022-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2207 | 2.00 | 4 | -0.67 | 20 | -13.40 | |
|  Fong, Nathan | | | 1920 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | |  Winslow, Elliott | m | | 2126 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Maliev, Anton | | | 1807 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Griffith, Kyron | m | | 2360 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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 |
| 1885 | 2207 | 1.00 | 2 | -0.72 | 20 | -14.40 | |
| | Guo, Ethan | | | 1963 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Yao, Hanchi | | | 1807 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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