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Individual Calculations February 2022 |
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| Li, Iris Total change: 24.80 | |   |
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| 31st Annual North American Open - Under 2100 | Las Vegas, Nevada | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1147 | 1.00 | 4 | 0.62 | 40 | 24.80 | |
|  Hung, Anthony | | | 1547 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Chen, Rachel Ruoxuan | | | 1547 * | CAN | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Cruz, Jancarlo | | | 1460 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Halloran, Joel | | | 1547 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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