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Individual Calculations February 2022 |
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| Bian, Erin Total change: 19.20 | |   |
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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 |
| 1833 | 1583 | 1.50 | 5 | 0.48 | 40 | 19.20 | |
|  Blakeman, Cole Forester | | | 1768 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Nguyen, Darian | | | 1983 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Starkman, Eric | | | 1810 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Shapiro-Erciyas, A | | | 1891 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Anderson, Tremil | | | 1712 | USA | 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) | | |
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