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Individual Calculations September 2023 |
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| Akopian, Robert Total change: -32.40 | |   |
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| 43rd Annual Lina Grumette Memorial | VAN NUYS, CA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1957 | 2.50 | 5 | -1.52 | 20 | -30.40 | |
|  Golchin, Kevin | | | 1677 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | |  Maheshwari, Vedant | | | 1781 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Wang, Jacob S | | | 1571 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Andranigian, Armen | | | 1725 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Liu, Angela | | | 1763 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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) | | | | 2023 Las Vegas Open - Open | Las Vegas, NV | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1932 | 2.00 | 4 | -0.10 | 20 | -2.00 | |
| | Bachin, Vitaly | m | | 2323 | RUS | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Xu, Jayden | | | 1688 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Redfield, Grant | | | 1839 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Chinni, Rishabh | | | 1872 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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