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Individual Calculations September 2021 |
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| Park, Evan Total change: 14.80 | |   |
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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 |
| 2059 | 2274 | 3.00 | 4 | 0.05 | 40 | 2.00 | |
|  Gupta, Arnav Tamnash | | | 1874 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Mahajan, Rushaan | c | | 2151 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | |  Gutla, Aryan | | | 1910 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Chasin, Nico Werner | f | | 2300 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | * 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 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2247 | 7.00 | 9 | 0.32 | 40 | 12.80 | |
| | Phipps, Daniel | | | 1847 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lu, Jason | | | 2011 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Wang, Ellen | | wm | 2088 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Oberoi, Shelev | | | 2216 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Zhao, Erick | c | | 2121 | USA | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Lee, Linden Marcus | | | 1931 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Rusonik, Max | c | | 2047 | CAN | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Zong, Davis | | | 2129 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Singh, Hersh | | | 2052 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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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