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Blitz:
Individual Calculations September 2021 |
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| De Dios Suarez, Mayra Valentina Total change: 18.40 | |   |
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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 |
| 1969 | 1309 | 1.00 | 6 | 0.92 | 20 | 18.40 | |
|  Chasin, Nico Werne | f | | 2044 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Chasin, Nico Werne | f | | 2044 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Matus, Nastassja A | | wf | 1871 | USA | 1.00 | 1 | 0.98 | 20 | 19.60 | | | Matus, Nastassja A | | wf | 1871 | USA | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Rajanish, Adhvaith | | | 1993 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Rajanish, Adhvaith | | | 1993 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | |
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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