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Individual Calculations September 2023 |
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| Wilson, Ronen Total change: 28.00 | |   |
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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 |
| 2071 | 2033 | 3.50 | 5 | 1.13 | 40 | 45.20 | |
|  Liang, Ethan Y | | | 1898 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Lu, Yiding | | | 1901 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Zhao, Erick | f | | 2355 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hardaway, Brewington | f | | 2361 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Venkatesh, Narayan | | | 1839 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 2022 | 2.50 | 4 | -0.43 | 40 | -17.20 | |
| | Moorhouse, Will | | | 1975 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Liu, Ethan | | | 1877 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Levine, Owen | | | 1684 | USA | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Haldankar, Ameya | | | 1790 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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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