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Individual Calculations September 2021 |
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| Wen, Tommy Total change: -25.60 | |   |
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| 11th Annual Dewain Barber National Tournament of Middle School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1971 | 1.00 | 3 | -0.70 | 40 | -28.00 | |
|  Luo, Terry | | | 2124 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Tang, Zoey | | | 1985 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Wu, Ryan Boyd | | | 1571 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1971 | 6.50 | 9 | 0.06 | 40 | 2.40 | |
| | Liu, Joshua | | | 1571 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Xu, Jayden | | | 1649 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Liang, Yu-Cheng | | | 1790 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Cavanah, Troy | | | 2006 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Rajanish, Abhinav | | | 1619 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Shivakumar, Shawnak | | | 1828 | USA | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Pillai, Adithya | | | 1671 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Tay, Brian | | | 1800 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Levine, Joseph | | | 2123 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | * 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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