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Blitz:
Individual Calculations September 2021 |
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| Boydell, Oliver Total change: 51.60 | |   |
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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 |
| 1586 | 1401 | 5.00 | 8 | 2.58 | 20 | 51.60 | |
|  Pang, Brian | | | 1744 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Pang, Brian | | | 1744 | USA | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Han, Johnathan | | | 1805 | CAN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Han, Johnathan | | | 1805 | CAN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Arivoli, Sadhana | | | 1388 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Arivoli, Sadhana | | | 1388 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Ananth, Ananya | | | 1405 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Ananth, Ananya | | | 1405 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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