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Individual Calculations September 2023 |
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| Zong, Davis Total change: -34.00 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 18 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2351 | 5.50 | 9 | -1.70 | 20 | -34.00 | |
|  Ortega Anglada, Mauricio | | | 2005 | DOM | 0.50 | 1 | -0.39 | 20 | -7.80 | |  Zhang, Samuel | | | 1882 | USA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Karthik, Advaith | | | 2132 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Lyon Martinez, Juan Pablo | | | 1951 * | VEN | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Casares Contreras, Jose Gabriel | | | 1975 | VEN | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Yoo, Eugene | | | 2194 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Zhang, Roger | | | 2177 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Tanaka, Taira Tyler | f | | 2297 | CAN | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Zheng, Richard | f | | 2180 | CAN | 0.50 | 1 | -0.23 | 20 | -4.60 | | | * 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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