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Individual Calculations July 2021 |
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| Petrosyan, Alexander Total change: 57.40 | |   |
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| 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1842 | 5.00 | 5 | 2.87 | 20 | 57.40 | |
|  Melville, Cailen | | | 1789 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Ng, Matthew K | | | 1753 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | |  Opaska, Michael | | | 1946 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Liou, Arthur | | | 2024 | USA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Norovsambuu, Badamkhand | | | 1974 | MGL | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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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