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Blitz:
Individual Calculations September 2021 |
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| Kaplan, Avi Harris Total change: 26.00 | |   |
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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 |
| 2101 | 1751 | 2.00 | 6 | 1.30 | 20 | 26.00 | |
|  Wu, Rochelle | | wm | 2174 | USA | 0.00 | 1 | -0.07 | 20 | -1.40 | |  Wu, Rochelle | | wm | 2174 | USA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Zong, Davis | | | 2129 | USA | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Zong, Davis | | | 2129 | USA | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Clasby, Derek | | | 2001 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Clasby, Derek | | | 2001 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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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