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Blitz:
Individual Calculations September 2021 |
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| De La Colina, Nicolas Total change: -10.00 | |   |
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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 |
| 1931 | 2056 | 4.50 | 8 | -0.50 | 20 | -10.00 | |
|  Caballero, Alonso Alexa Amairanh | | | 1588 | MEX | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Caballero, Alonso Alexa Amairanh | | | 1588 | MEX | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Clasby, Derek | | | 2001 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Clasby, Derek | | | 2001 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Tsay, Vincent | f | | 1959 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Tsay, Vincent | f | | 1959 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Wu, Rochelle | | wm | 2174 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Wu, Rochelle | | wm | 2174 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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