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Individual Calculations September 2023 |
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| Yang, Lefan Total change: 76.40 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 14 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1803 | 6.00 | 8 | 1.91 | 40 | 76.40 | |
|  Martinez Lavin Mora, Luca | | | 1403 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Yan, Nathan | | | 2129 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Perez Tangarife, Simon | | | 1522 | COL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Bangaru, Saharsh | | | 1612 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Miranda Fernandez, Marcos Manuel | | | 1802 | PAR | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Colville, Julian | | | 1759 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Wang, Isaac | | | 2401 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Zaragoza Alanis, Miguel Arnulfo | | | 1896 | MEX | 1.00 | 1 | 0.63 | 40 | 25.20 | | | * 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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