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Individual Calculations September 2023 |
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| Feng, Eric Z Total change: 52.80 | |   |
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| 13th Annual Barber National Tournament of Middle School State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1989 | 3.50 | 5 | 1.32 | 40 | 52.80 | |
|  Bruni, Xavier | | | 1589 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Venkatesh, Narayan | | | 1839 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Tao, Sihan | | | 2090 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Zhao, Erick | f | | 2355 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Hardaway, Brewington | f | | 2361 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | * 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) | | |
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