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Individual Calculations September 2021 |
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| Narayanan, Samrug Total change: 51.20 | |   |
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| 37th Annual GM Arnold Denker National Tournament of High School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2180 | 3.50 | 6 | -0.49 | 40 | -19.60 | |
|  Tu, Landon Zhidi | | | 1780 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Brady, Tyson | | | 1887 | USA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Tran, Minh Binh | | | 1780 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Shen, Christopher | f | | 2354 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Yip, Carissa Shiwen | m | wg | 2430 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Moor, Nathaniel Philip | | | 1898 | USA | 0.50 | 1 | -0.34 | 40 | -13.60 | | | * 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 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2245 | 5.50 | 8 | 1.77 | 40 | 70.80 | |
| | Shlyakhtenko, Robert | f | | 2351 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Reddy, Shreyas C | | | 1845 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Li, Eric Yuhan | f | | 2266 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Chen, Justin | f | | 2275 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Tsay, Vincent | f | | 2315 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Talukdar, Rohan | f | | 2341 | CAN | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Mardov, Dimitar | f | | 2324 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Shen, Christopher | f | | 2346 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | * 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) | | |
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