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Individual Calculations October 2021 |
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| Serna, Jeffrey Total change: 18.00 | |   |
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| 2021 Las Vegas Open - Open | Las Vegas, Nevada | USA | 2021-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1981 | 5.00 | 9 | 0.90 | 20 | 18.00 | |
|  Kavutskiy, Kostya | m | | 2381 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Sloan, Sam H | | | 1772 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Iinuma, Paul Yuu | | | 2052 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Ewing, Gabriel | | | 2024 | USA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Perrine, Dalton | f | | 2226 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Sivakumar, Shaaketh | | | 2026 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Arutla, Aditya | | | 1581 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | McConnell, Griffin Thomas | | | 1858 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lin, Andy | | | 2238 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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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