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Individual Calculations September 2023 |
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| Zhu, Ryan Total change: -3.60 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1880 | 5.50 | 8 | -0.65 | 40 | -26.00 | |
|  Logan, Liam | | | 1480 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Sathiesh, Kavin Chandar | | | 1398 | USA | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Xiao, Michael | | | 1441 | USA | 0.50 | 1 | -0.44 | 40 | -17.60 | | | Ilyasov, Ahmed | | | 1567 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Wu, Andrew | | | 1855 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Luo, Wesley | | | 1662 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ho, Carter | | | 1999 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Wong, Wyatt | | | 1605 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1880 | 2.00 | 4 | 0.56 | 40 | 22.40 | |
| | Pardiwalla, Vispy | | | 2034 | IND | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Yakubov, Mardon | | | 2046 | UZB | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Uddin, Mubassar | | | 2048 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Udovenko, Daniel Alexander | | | 1816 | ENG | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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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