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Individual Calculations September 2023 |
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| Haldankar, Ameya Total change: 15.20 | |   |
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| 2023 Independence Day Open - Premier | Dulles, VA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1841 | 2.50 | 5 | 0.01 | 40 | 0.40 | |
|  Semenov, Valerii | f | | 2153 | UKR | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Guo, Edward | | | 1683 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Ananth, Ananya | | | 1735 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Samuelson, Andrew | f | | 1993 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Lambert, Walden | | | 1688 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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 |
| 2021 | 1790 | 1.00 | 3 | 0.37 | 40 | 14.80 | |
| | Pardiwalla, Vispy | | | 2034 | IND | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Samuelson, Andrew | f | | 2006 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Wilson, Ronen | | | 2022 | USA | 0.00 | 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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