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Blitz:
Individual Calculations September 2021 |
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| Chen, Rachel Ruoxu Total change: -10.00 | |   |
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| 2021 North American Youth Chess Championships - Blitz Open Under 14 | Chicago, Illinois | USA | 2021-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1502 | 2.50 | 6 | -0.50 | 20 | -10.00 | |
|  Tay, Brian | | | 1327 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | |  Tay, Brian | | | 1327 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Su, Kevin | | | 1730 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Su, Kevin | | | 1730 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Xiong, Lang Leo | | | 1462 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Xiong, Lang Leo | | | 1462 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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