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Individual Calculations July 2021 |
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| Ostrovskiy, Aleksandr Total change: -20.50 | |   |
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| 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2422 | 4.50 | 9 | -2.05 | 10 | -20.50 | |
|  Xia, Brandon Yang | c | | 2046 | USA | 0.50 | 1 | -0.41 | 10 | -4.10 | |  Pan, Kevin | | | 2106 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Wu, Rochelle | | wm | 2144 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Niemann, Hans | g | | 2567 | USA | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Wang, Jason | f | | 2312 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Costello, Alexander John | m | | 2259 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Chen, Ryo Wenyu | | | 2181 | USA | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Vidyarthi, Vyom | c | | 2165 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Yu, Jennifer R | f | wg | 2316 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | |
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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