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Blitz:
Individual Calculations September 2021 |
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| Guo, Edward Total change: -37.60 | |   |
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| 2021 North American Youth Chess Championships - Blitz Open Under 12 | Chicago, Illinois | USA | 2021-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1640 | 1.00 | 4 | -1.88 | 20 | -37.60 | |
|  Tang, Benjamin Benchen | | | 1565 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Tang, Benjamin Benchen | | | 1565 | USA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Vidyarthi, Omya | | wc | 1350 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Vidyarthi, Omya | | wc | 1350 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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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