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Blitz:
Individual Calculations September 2021 |
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| Mendoza Recio, Josselyne Total change: -13.20 | |   |
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| 2021 North American Youth Chess Championships - Blitz Open Under 18 | Chicago, Illinois | USA | 2021-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1626 | 2.50 | 8 | -0.66 | 20 | -13.20 | |
|  Tsay, Vincent | f | | 1959 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Tsay, Vincent | f | | 1959 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Hernandez Ortega, Carolina | | wc | 1458 | MEX | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Hernandez Ortega, Carolina | | wc | 1458 | MEX | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Yoker, Callum | | | 1475 | CAN | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Yoker, Callum | | | 1475 | CAN | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Zong, Davis | | | 2129 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Zong, Davis | | | 2129 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | |
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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