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Individual Calculations April 2023 |
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| Zhou, Jianchao Total change: 5.10 | |   |
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| 30th annual Western Class Championships - Master | Irvine, CA | USA | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2550 | 4.50 | 5 | 0.96 | 10 | 9.60 | |
|  Yanayt, Eugene | f | | 2150 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Wang, Alex Yuxuan | | | 2019 | USA | 1.00 | 1 | 0.03 | 10 | 0.30 | | | Mikaelyan, Arman | g | | 2509 | ARM | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Jacobson, Brandon | g | | 2543 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Corrales Jimenez, Fidel | g | | 2489 | USA | 1.00 | 1 | 0.42 | 10 | 4.20 | | | * 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) | | | | 1000GM LA Spring Splash - Masters | Los Angeles, CA | USA | 2023-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2428 | 2550 | 5.50 | 9 | -0.45 | 10 | -4.50 | |
| | Rorrer, Grayson | f | | 2292 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Bryant, John D | m | | 2422 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Woodward, Andy Austin | m | | 2450 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Mikaelyan, Arman | g | | 2509 | ARM | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Chen, Ryo | f | | 2396 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Bick, Gabriel James | m | | 2391 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Wang, Justin | m | | 2485 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Mishra, Abhimanyu | g | | 2548 | USA | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Tarjan, James Edward | g | | 2359 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | |
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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