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Individual Calculations September 2023 |
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| Xu, Jayden Total change: -16.00 | |   |
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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 |
| 1847 | 1607 | 0.50 | 4 | -0.61 | 40 | -24.40 | |
|  Marcal, Jose | | | 2220 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Zhou, Vanessa G | | | 1744 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Gevorgyan, Davit | | | 1520 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Pau, Ethan | | | 1903 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 16 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1688 | 3.50 | 9 | 0.08 | 40 | 3.20 | |
| | Zhao, Erick | f | | 2332 | USA | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Paulino Leal, Matias | | | 1426 | DOM | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Deligiannis, Dimitrios | | | 1549 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Lancman, Kyle | | | 2121 | USA | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Montes Orozco, Miguel Angel | c | | 2137 | MEX | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Nasta, Kiren Vivek | | | 2057 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Bist, Atharva | | | 1735 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Noriega Mejia, Luis Fernando | | | 1288 * | HON | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Xu, Andrew | | | 1815 | CAN | 0.00 | 1 | -0.33 | 40 | -13.20 | | | * 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) | | | | 2023 Las Vegas Open - Open | Las Vegas, NV | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1688 | 1.50 | 4 | 0.13 | 40 | 5.20 | |
| | Leano, Bryan B | | | 1877 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Akopian, Robert | | | 1932 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Wang, Leo Q | | | 1667 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Ma, Cuihan | | | 1765 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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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