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Individual Calculations September 2023 |
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| Shafer, Logan C Total change: -34.00 | |   |
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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 |
| 1988 | 1930 | 0.00 | 2 | -0.85 | 40 | -34.00 | |
|  Ren, Jesse | | | 2075 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Lu, Yiding | | | 1901 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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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